Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
DR73-4R7-R by Eaton Corp is a shielded, surface mount fixed inductor with 4.7uH nominal inductance and 3.09A max rated current. Ideal for power applications, it features dual-ended terminals, ferrite core material, and operates b/w -40 to 125°C temperature range.
Median Price
$0.884
Lifecycle Status
Suppliers In-Stock
42
In-Stock Inventory
1k+
Adafruit Industries
1+ parts
$0.309
100+ parts
1k+ parts
10k+ parts
-
Mouser Electronics
$0.570
$0.434
$0.424
$0.289
Farnell
$1.610
$0.716
$0.499
$0.460
Newark
$2.420
$1.940
RS (Exports)
$2.800
$2.240
Arrow
$0.348
Verical
Chip1Stop
Master Electronics
$0.990
$0.961
DigiKey
$0.850
TTI
$0.286
Future Electronics
$1.000
Element14
$1.620
$1.340
$1.250
DF Sales Co.
$0.364
Freelance Electronics
$0.375
Nova Conductors
$0.838
Bristol Electronics
Atlantic Semiconductor
Rapid Electronics
$0.889
IBS Electronics
$1.396
$1.355
Vyrian
NAC Semi
$1.820
LIBRA Elektronik GmbH
Electro Sonic
$0.999
$0.855
$0.814
Specialty Parts & Electronic Components, Inc. (S.P.E.C.)
Sea View Technologies
Component Sense
QIE Inc.
EMSNET
MRC Electronics
PC Components Company LLC
Connector Distribution Corp
Right Parts Inc.
Prism Electronics
Sensible Micro Corp
ComSIT Distribution GmbH
Elcom Components
Inventory MP
Cogito LLC
Goldney Electronics S.L.
Semtec, LLC
Semicontronic
$0.263
$0.256
$0.255
Advanced Electronics
Aztec Data Supply Inc.
$0.396
Corohmni
$0.558
Argo Parts USA
$0.805
Continental Prestige Electronics
$0.789
Aranea Global
$0.821
$0.788
Perfect Parts
Assy Fe
Glotronic Ltd.
Authorized Procurement Solutions
GreenTree Electronics
iodParts Technologies Inc.
Abacus Technologies
Kepictronics
Resion (Excess)
This feature allows for easy and convenient mounting on circuit boards, saving space and simplifying the assembly process.
The shielding helps prevent interference from other components or external sources, ensuring optimal performance and reliability.
Dual-ended terminals offer flexibility in circuit design and connection options, making this inductor versatile for various applications.
Tested at a low frequency, ensuring accurate and consistent performance within the specified range of operation.
The compact 3030 size code allows for integration in tight spaces without sacrificing performance or efficiency.
The rectangular construction provides a stable and secure design, making it suitable for harsh environmental conditions.
Packed in tape and reel format, making it suitable for automated pick-and-place machinery, streamlining production processes.
Designed specifically for power applications, this inductor can handle high currents and voltages efficiently.
The rectangular package shape is ideal for space-saving purposes while ensuring compatibility with standard mounting techniques.
With two terminals, this inductor offers simplicity in connectivity and installation, reducing the chances of error during assembly.
Surface-mount technology enables easy installation and compatibility with modern PCB designs, enhancing ease of use and reliability.
With a nominal inductance of 4.7 microhenries, this inductor is suitable for various filtering and energy storage applications.
Wraparound terminals provide a secure connection and enable easy soldering, ensuring a reliable electrical connection.
With a high operating temperature range, this inductor can withstand demanding conditions without compromising performance.
The high maximum rated current capacity makes this inductor suitable for applications requiring high power handling capabilities.
The wide temperature range allows the inductor to operate effectively in both extreme cold and hot environments.
The matte tin over nickel finish provides excellent corrosion resistance, ensuring long-term reliability and robustness.
A versatile and widely compatible inductor type suitable for a variety of applications, offering flexibility in circuit design.
The low DC resistance minimizes power losses and heat generation, ensuring efficient operation and performance.
The ferrite core material offers high magnetic permeability and low core losses, making it ideal for power applications and high frequencies.
The compact package height allows for integration in space-constrained designs without compromising performance or functionality.
The 20% tolerance level ensures consistent and reliable performance within specified parameters, making it suitable for various applications.
The standard package length facilitates easy mounting and compatibility with common PCB layouts and configurations.
The compact package width allows for a space-efficient design while maintaining high performance and reliability.
Fixed Inductors DR73-4R7-R attributes and parameters. Explore more Fixed Inductors devices from Eaton Corporation
Inductor Type:
Inductor Application:
Nominal Inductance:
Maximum Rated Current:
DC Resistance:
Tolerance:
No. of Functions:
Test Frequency:
Package Shape:
Case or Size Code:
Shielded:
Construction:
Core Material:
Surface Mounted:
Minimum Operating Temperature:
Maximum Operating Temperature:
Terminal Position:
Terminal Shape:
Terminal Finish:
No. of Terminals:
Package Style:
Package Length:
Package Height:
Package Width:
Packing Method:
JESD-609 Code:
DR73-4R7-R Inductors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8504.50.80.00
SB
8504.50.00.00
PCN Packaging - Shipping Box and Labels 05/Jan/2018
Today, the world runs on critical infrastructure and technology. Planes. Hospitals. Factories. Data centers. Vehicles. The electrical grid. These are things people depend on every day. And the companies behind them depend on us to help solve some of the toughest power management challenges on the planet. At Eaton, we’re dedicated to improving people’s lives and the environment with power management technologies that are more reliable, efficient, safe and sustainable.We are a power management company doing business in more than 175 countries. Our energy-efficient products and services help our customers effectively manage electrical, hydraulic and mechanical power more reliably, efficiently, safely and sustainably. By giving people tools to use power more efficiently. Helping companies do business more sustainably. And by encouraging each and every employee at Eaton to think differently about our business, our communities—and the positive impact we can have on the world.
L7805CV
STMicroelectronics
L7805CV by STMicroelectronics is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1.5A. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring stable voltage regulation in electronic circuits.
08055C104KAT2A
KYOCERA AVX
08055C104KAT2A by KYOCERA AVX is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications requiring compact size and reliable performance in various electronic circuits.
LM7805CT
Onsemi
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
LM7805CT/NOPB
Texas Instruments
LM7805CT/NOPB by Texas Instruments is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1.5A. It operates b/w 0-125°C, has a package style of flange mount, and offers low line/load regulation making it ideal for various electronic applications requiring stable power supply.
SMBJ18CA
Thinking Electronic Industrial
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1554216002
Molex
WIRE AND CABLE;
2N2222A
Solid State Devices
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LL4148
Fairchild Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
1N4148WS
Changzhou Galaxy Century Microelectronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
OPA2227UA
OPA2227UA by Texas Instruments is a dual operational amplifier with low-offset voltage of 200 uV and bias current of 0.01 uA. It operates at temperatures ranging from -40 to 85 °C, making it suitable for industrial applications requiring precise signal amplification. With a unity gain bandwidth of 8000 kHz, this op amp is ideal for high-frequency circuit designs.
Concord Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Repetitive Peak Reverse Voltage: 18 V; Nominal Breakdown Voltage: 21.05 V; Polarity: BIDIRECTIONAL; Maximum Clamping Voltage: 29.2 V;
B340A-13-F
SPC TECHNOLOGY/ MULTICOMP
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MS3V-T1R32.768KHZ+/-20PPM12.5PF
Golledge Electronics
MS3V-T1R32.768KHZ+/-20PPM12.5PF by Golledge Electronics is a crystal oscillator with 20 ppm frequency tolerance, 126% stability, and 12.5 pF load capacitance. It is ideal for applications requiring precise timing in temperature-sensitive environments due to its -40 to 85 °C operating range.
LM358N
Silicon Group
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
DS18B20+
Analog Devices
DS18B20+ by Analog Devices is a 12-bit temperature sensor with 3.3/5V supply, -55 to 125°C range, and ±0.50°C accuracy. It features a 1-Wire interface for digital output and is commonly used in applications requiring precise temperature monitoring in various industries.
NC7WZ17P6X
BUFFER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 6; Package Code: TSSOP; Package Shape: RECTANGULAR;
ULN2803A
ULN2803A by Texas Instruments is a peripheral driver with 8 functions. It has a max supply voltage of 3V and can operate in temperatures ranging from -40 to 85°C. This IC is commonly used as a buffer or inverter based peripheral driver for various applications.
KSZ9031RNXIA
Micrel
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 48; Package Code: HVQCCN; Package Shape: SQUARE;
Lite-on Semiconductor
1N4148WT
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
33457
Hirel Systems
GENERAL PURPOSE INDUCTOR; No. of Terminals: 2; Shielded: NO; Surface Mount: NO; Shape or Size Description: RECTANGULAR PACKAGE; Terminal Shape: WIRE;
IHLP2020CZER1R5M01
Vishay Intertechnology
Vishay Intertechnology's IHLP2020CZER1R5M01 is a shielded, high current inductor with 1.5uH nominal inductance and 7.2A max rated current. Ideal for general purpose applications, this SMT inductor has a compact 2020 size, operates b/w -55 to 125 °C, and features a self-resonance frequency of 42 MHz.
LQW15AN4N3C00D
Murata Manufacturing
Murata Manufacturing's LQW15AN4N3C00D is a wirewound chip inductor with 0.0043uH nominal inductance, suitable for RF applications. Featuring dual-ended terminals and SMT packaging, it operates b/w -55 to 125 °C with a max rated current of 0.75A.
DR74-330-R
Eaton Corporation
Eaton Corporation's DR74-330-R is a shielded, dual-ended fixed inductor with 33uH nominal inductance. Ideal for power applications, it operates b/w -40°C to 125°C with a max rated current of 1.41A. Its compact SMT package measures 7.6mm x 7.6mm x 4.35mm and features matte tin over nickel terminal finish for efficient performance.
DFE252012F-1R0M=P2
Toko
GENERAL PURPOSE INDUCTOR; Inductor Application: POWER INDUCTOR; No. of Terminals: 2; Package Style (Meter): SMT; Shielded: YES; Surface Mount: YES;
74479775210
Wuerth Elektronik & Kg
Wurth Elektronik 74479775210 is an 0805 fixed inductor with 1uH nominal inductance, suitable for power applications. It has a max rated current of 1.1A and operates at temperatures ranging from -40 to 125°C. This general purpose inductor features dual-ended terminals and wraparound shape, making it ideal for SMT installations.
NRS4012T1R0NDGG
Taiyo Yuden
NRS4012T1R0NDGG by Taiyo Yuden is a SMT fixed inductor with 1uH nominal inductance, 2.2A max current, and 100MHz self-resonance freq. Ideal for power applications due to its general purpose design, ferrite core material, and compact rectangular package measuring 4x4x1.2mm.
SRP7028A-4R7M
Bourns
Bourns SRP7028A-4R7M is a shielded SMT inductor with 4.7uH nominal inductance, 5.5A max current, and 150°C max operating temp. Ideal for power applications due to its high quality factor and AEC-Q200 reference standard compliance.
36401E2N5ATDF
TE Connectivity
TE Connectivity's 36401E2N5ATDF is a surface mount fixed inductor with dual-ended terminals, size code 0402. With nominal inductance of 0.0025 uH and max current of 0.44 A, it's ideal for RF applications. Featuring self-resonance frequency of 8000 MHz and DC resistance of 0.35 ohm, this general purpose inductor offers high quality factor at L-nom.
LQM21NN4R7K10L
Murata Manufacturing's LQM21NN4R7K10L is an 0805 SMT inductor with 4.7uH nominal inductance, suitable for RF applications. It features a max operating temperature of 85°C, self-resonance frequency of 47MHz, and ferrite core material. Ideal for general purpose use with a Q factor of at least 45 at the test frequency of 10MHz.
DR73-100-R
Cooper Industries
2324-V-RC
2324-V-RC by Bourns is a shielded fixed inductor with radial terminal placement. It has a nominal inductance of 1000 uH and can handle a max rated current of 2.4 A. This high current inductor is ideal for general purpose applications requiring a cylindrical package design.
74438356022
74438356022 by Wurth Elektronik is a shielded fixed inductor with dual-ended terminals. It has a nominal inductance of 2.2uH, max rated current of 4.7A, and operates b/w -40 to 125°C. Ideal for power applications, this general purpose inductor features a self-resonance frequency of 34MHz and is constructed with iron alloy material.
IFSC1111AZER4R7M01
Vishay Dale
GENERAL PURPOSE INDUCTOR; Inductor Application: HIGH CURRENT INDUCTOR; No. of Terminals: 2; Shielded: YES; Surface Mount: YES; Minimum Operating Temperature: -55 Cel;
LQH32PHR47NN0L
Murata Manufacturing's LQH32PHR47NN0L is a shielded, surface mount fixed inductor with 0.47uH nominal inductance. With 2.55A max rated current and -40 to 125°C operating temperature range, it's ideal for power applications requiring general purpose inductors. The compact 1210 size package makes it suitable for various SMT designs.
36502C22NJTDG
TE Connectivity's 36502C22NJTDG is a surface mount fixed inductor with 0.022 uH nominal inductance, suitable for RF applications. With dual-ended terminals and a max rated current of 1 A, it offers high quality factor at 55 min. Its compact rectangular package measures 2.92mm x 2.79mm x 2.1mm, making it ideal for general purpose inductor needs.
DR127-150-R
NRS4018T6R8MDGJ
Taiyo Yuden's NRS4018T6R8MDGJ is a fixed inductor with 6.8uH nominal inductance, 1.45A max current, and 30MHz self-resonance freq. Ideal for power applications, it features dual-ended terminals, SMT package style, and ferrite core material.
IHLP2525CZER100M01
Vishay Intertechnology's IHLP2525CZER100M01 is a shielded, surface mount fixed inductor with 10uH nominal inductance and 3A max rated current. Ideal for high current applications, this rectangular package features dual-ended terminals and operates b/w -55°C to 125°C.
MLZ2012N150LTD25
TDK
MLZ2012N150LTD25 by TDK is a shielded, surface mount fixed inductor with 15uH nominal inductance and 0.35A max rated current. Ideal for general purpose applications, it features dual-ended terminals, ferrite core material, and operates b/w -55°C to 125°C.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
DR73-101-R
Coiltronics
DR73-101-R by Eaton Corp is a shielded, surface mount fixed inductor with 100uH nominal inductance. It operates b/w -40 to 125°C, handling max current of 0.73A. Ideal for power applications due to its general purpose design and ferrite core material.
Cooper Electronic Technologies
DR73-151-R
DR73-100-R by Eaton Corp is a shielded, surface mount fixed inductor with 10uH nominal inductance. It has a max rated current of 2.08A and operates b/w -40 to 125°C. Ideal for power applications requiring general purpose inductors in compact SMT packages.
DR73-220-R
Eaton Corporation's DR73-220-R is a shielded, surface mount fixed inductor with 22uH nominal inductance. It has a max rated current of 1.62A and operates b/w -40 to 125°C. Ideal for power applications, this general purpose inductor features dual-ended terminals and ferrite core material.
DR73-4R7-R
DR73-4R7
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved