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
PA3747.205NL by Pulse Electronics is a data line filter with 2 functions, AEC-Q200 screening level, and 4 terminals. With inductance of 1280 uH, it operates b/w -40 to 125 °C and has a max DC resistance of 0.0255 ohm. Ideal for applications requiring high output impedance and rated current of 4A.
Median Price
$3.595
Lifecycle Status
Suppliers In-Stock
8
In-Stock Inventory
1k+
Arrow
1+ parts
$1.738
100+ parts
-
1k+ parts
10k+ parts
Chip1Stop
$3.450
Verical
$3.740
$3.290
DigiKey
$5.170
$3.497
$2.879
$2.799
Mouser Electronics
$3.420
$3.020
Master Electronics
$2.620
Nova Conductors
$2.665
Vyrian
Corohmni
$0.953
Ampacity Inc.
$1.480
Semicontronic
$1.443
$1.436
Continental Prestige Electronics
$2.612
Argo Parts USA
Aztec Data Supply Inc.
$3.117
Netroflash
$2.532
$2.478
Having 2 functions allows for versatile use in multiple applications.
AEC-Q200 certification ensures high reliability and quality standards.
4 terminals provide secure connections for stable performance.
Data line filter design effectively reduces electromagnetic interference.
High maximum operating temperature ensures reliability in various environments.
Low minimum operating temperature allows for use in extreme cold conditions.
High inductance helps in reducing noise and signal distortion.
Compact width makes it suitable for space-constrained applications.
Low DC resistance minimizes power loss and heat generation.
Optimal length for easy integration and installation.
High output impedance ensures efficient filtration and signal integrity.
Through hole mounting provides secure and stable installation.
With a high rated current, this product can handle heavy loads effectively.
Adequate height for accommodating components and ensuring proper airflow.
Data Line Filters PA3747.205NL attributes and parameters. Explore more Data Line Filters devices from Pulse Electronics
Maximum DC Resistance:
Filter Type:
Height:
Inductance:
Length:
Mounting Type:
No. of Functions:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Output Impedance (ohm):
Rated Current:
Screening Level:
Width (mm):
PA3747.205NL Filters trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8504.50.80.00
SB
8504.50.00.00
Pulse, a member of the YAGEO Group (2327, TAI), was founded in 1956 and is a leader in technology, design and manufacturing of power and signal magnetics, current sensing, antennas, and connectors. Pulse products can be found in a wide range of applications including electric vehicles, 5G mobile network systems, smart grids, wearables. Lighting, cell phones, datacenters, wireless charging, industrial automation equipment and security.
AH180-WG-7
Diodes Incorporated
AH180-WG-7 by Diodes Inc. is a magnetic field sensor with 1.5mT hysteresis, 0.30V output range, and 9mA max operating current. Ideal for applications requiring non-inverting analog voltage output in a compact rectangular package suitable for surface mount installations.
BSS138
Micro Commercial Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Shape: RECTANGULAR; Terminal Position: DUAL;
1N4148WS
Weitron Technology
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Good-ark Electronics
RECTIFIER DIODE; Surface Mount: NO; No. of Elements: 1; Maximum Non Repetitive Peak Forward Current: .5 A; Maximum Forward Voltage (VF): 1 V; No. of Phases: 1;
SS14
Fairchild Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
TCA6424ARGJR
Texas Instruments
TCA6424ARGJR by Texas Instruments is a CMOS parallel I/O port with 24 bits and 3 ports. It operates b/w -40 to 85°C, suitable for industrial applications. With a max clock frequency of 0.4 MHz, it offers low power consumption at only 0.03 mA supply current.
2N2222A
Diotec Semiconductor Ag
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .6 A; Maximum Time At Peak Reflow Temperature (s): 10;
Bytesonic Electronics
KSZ9031RNXIC
Micrel
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 48; Package Code: HVQCCN; Package Shape: SQUARE;
Central Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Transistor Application: SWITCHING; Transistor Element Material: SILICON;
M39029/58-360
Defense Logistics Agency
CONNECTOR ACCESSORY; Contact Type: CRIMP REAR RELEASE; Mating Contacts: M39029/56-348, M39029/57-354; Insertion Tool Sources: MILITARY; Contact Gender: MALE; Alternate Contact Sources: MILITARY;
FDD5614P
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 42 W; Terminal Position: SINGLE; Terminal Form: GULL WING;
LM555CN
National Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
MMBF170LT1G
Rochester Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Package Style (Meter): SMALL OUTLINE; No. of Terminals: 3;
SMMBT3904LT1G
Onsemi
SMMBT3904LT1G by Onsemi is a NPN BJT with 3 terminals, 0.3W power dissipation, and 40V max collector-emitter voltage. Ideal for small outline applications requiring a transistor with hFE of at least 30, it operates up to 150°C and has a transition frequency of 300MHz.
SMMBT2222ALT1G
SMMBT2222ALT1G by Onsemi is a NPN BJT transistor with 3 terminals, 0.6A IC, and 40V VCE. It has a hFE of 75, fT of 300MHz, and operates up to 150°C. Ideal for small signal applications in automotive electronics due to AEC-Q101 compliance.
LM317D2TG
LM317D2TG by Onsemi is an adjustable positive single output standard regulator with a max output current of 1.5A and a max output voltage of 37V. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in compact spaces.
BAV99
Lite-on Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Frontier Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
HH-1M1608-121JT
World Products
World Products' HH-1M1608-121JT is a FERRITE CHIP filter with 2 terminals, 0.8mm width, and 0.15 ohm DC resistance. Ideal for data line applications, it offers an output impedance of 120 OHM, rated current of 0.5 A, and surface mounting type.
DLW5BSM302SQ2L
Murata Manufacturing
Murata Manufacturing DLW5BSM302SQ2L is a Data Line Filter with 2 functions, rated at 50V and 0.5A. It offers high insulation resistance of 10 Mohm, suitable for applications requiring filtering in data lines with operating temperatures from -40 to 85°C.
ACM2012-900-2P-T001
TDK
TDK's ACM2012-900-2P-T001 is a Data Line Filter with 2 functions, AEC-Q200 screening. It has a rated voltage of 50V, max operating temp of 105°C, and DC resistance of 0.19 ohm. Ideal for applications requiring noise suppression in automotive electronics.
744232222
Wuerth Elektronik & Kg
Wurth Elektronik 744232222 is a Data Line Filter with 2 functions, rated at 50V. It has 4 terminals and operates b/w -40 to 125°C. With dimensions of L3.2xB1.6xH1.9 (mm), it offers an output impedance of 2200Ω and max DC resistance of 1.2Ω, suitable for surface mount applications in various electronic devices.
NFM55PC155F1H4L
Murata Manufacturing's NFM55PC155F1H4L is a data line filter with 3 terminals, rated for 50V and 6A. Featuring a feed through capacitor design, it offers high insulation resistance of 100 Mohm. Ideal for applications requiring filtering of data lines in electronic circuits with operating temperatures ranging from -55 to 85°C.
DLW5BSN152SQ2L
Murata Manufacturing's DLW5BSN152SQ2L is a Data Line Filter with 2 functions, rated at 50V and 1A. It offers high insulation resistance of 10 Mohm, operates b/w -40 to 85 °C, and has an output impedance of 1500 ohm. Ideal for applications requiring effective noise filtering in data lines.
742792662
Wurth Elektronik 742792662 is a FERRITE CHIP data line filter with max operating temp of 125°C and min of -55°C. It has a width of 0.8mm, length of 1.6mm, and height of 0.8mm. With an output impedance of 1000Ω, it's ideal for surface mount applications in electronics to reduce electromagnetic interference.
BLM21PG121SN1D
Murata Manufacturing's BLM21PG121SN1D is an 0805 chip bead filter with 2 terminals, operating b/w -55 to 125 °C. With a DC resistance of 0.03 ohm and output impedance of 120 OHM, it's ideal for data line filtering applications at frequencies ranging from 100 MHz.
320-0548
C & K Components
The C & K Components 320-0548 is a UL-approved data line filter with 2 functions and 11 terminals. Featuring an inductance of 3800 uH, it has a max DC resistance of 0.21 ohm. This filter, measuring 31.75mm in width and 35.56mm in length, is ideal for applications requiring a rated current of 1.25A such as data transmission systems.
BLM18HE601SN1D
Murata's BLM18HE601SN1D is a chip bead data line filter with 2 terminals, operating b/w -55 to 125°C. With dimensions of 1.6x0.8x0.8mm, it offers a DC resistance of 0.25 ohm and an output impedance of 600 ohm for frequencies ranging from 100 MHz to 1000 MHz. Ideal for surface mount applications in electronic devices requiring noise suppression on data lines.
SRF4532-510Y
Bourns
Bourns SRF4532-510Y is a Data Line Filter with 51uH inductance, 10 Mohm min insulation resistance, and 0.2A rated current. Ideal for applications requiring noise suppression in data lines, it operates b/w -40 to 125 °C with a max voltage of 50V.
P0502NLT
Pulse Electronics
Pulse Electronics P0502NLT is a Data Line Filter with 2 functions, AEC-Q200 screening. It has inductance of 470uH, max operating temp of 120°C, and rated current of 14A. Ideal for automotive applications due to its surface mounting type and compact dimensions (L30.99xB25.4xH12.7 mm).
BLM18KG331SN1D
Murata Manufacturing's BLM18KG331SN1D is a chip bead data line filter with 2 terminals, operating b/w -55 to 125 °C. It offers a max DC resistance of 0.08 ohm and output impedance of 330 OHM at 100 MHz frequency. Ideal for surface mount applications in electronic devices requiring noise suppression.
BLM18BD102SN1D
Murata Manufacturing's BLM18BD102SN1D is a chip bead data line filter with 2 terminals, operating b/w -55°C to 125°C. With dimensions of 1.6x0.8x0.8mm, it offers a max frequency of 100MHz and DC resistance of 0.85 ohm. Ideal for surface mount applications, this ferrite chip filter has an output impedance of 1000Ω and rated current of 0.1A.
74279279
Wurth Elektronik 74279279 is a multi-layer FERRITE CHIP filter with 2 terminals, suitable for data line applications. It operates b/w -55 to 125 °C, has a DC resistance of 1 ohm, and an output impedance of 600 OHM at frequencies ranging from 100 MHz to 180 MHz. This surface mount component measures L1.0XB0.5XH0.5 (mm) and is packed in TAPE AND REEL format for easy handling during assembly.
BLM15AX102SN1D
Murata Manufacturing's BLM15AX102SN1D is a chip bead data line filter with 2 terminals, operating b/w -55 to 125°C. With dimensions of 1x0.5x0.5mm, it offers a DC resistance of 0.49 ohm and output impedance of 1000 ohm at frequencies up to 100 MHz. Ideal for surface mount applications in electronic devices requiring noise suppression on data lines.
VFS6VD81E221T51B
Murata Manufacturing's VFS6VD81E221T51B is a 25V data line filter with 0.5 Mohm insulation resistance. It operates b/w -40 to 105 °C and has a capacitance of 220 uF. Ideal for applications requiring through hole mounting, rated current of 6A, and compact dimensions of L8.0xB2.54xH10.5 mm.
LI0603D301R-10
Steward
FERRITE CHIP; Maximum DC Resistance: .35 ohm; Rated Current: .4 A; Terminal Finish: Matte Tin (Sn) - with Nickel (Ni) barrier; Minimum Operating Temperature: -55 Cel; JESD-609 Code: e3;
7427927121
Wurth Elektronik 7427927121 is a FERRITE CHIP filter with 2 terminals, rated for 0.5A current. With dimensions of L1.0XB0.5XH0.5 (mm), it operates b/w -55 to 125 °C and has a max DC resistance of 0.8 ohm. Ideal for data line filtering applications due to its surface mounting type and output impedance of 220 OHM.
2743021447
Fair-rite Products
Fair-rite Products' 2743021447 is a chip bead data line filter with approvals from IEC. Featuring a max operating temperature of 125°C, it offers a min frequency of 10 MHz and max DC resistance of 0.0012 ohm. Ideal for applications requiring surface mount filters with dimensions L9.6XB3.05XH2.85 (mm).
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
CMT1-1.3-4L
Coilcraft
DATA LINE FILTER; Maximum DC Resistance: .029 ohm; Rated Current: 4 A; Terminal Finish: Tin/Silver (Sn/Ag); Minimum Operating Temperature: -40 Cel; Height: 27.9 mm;
PA3747.305NL
PA3747.305NL by Pulse Electronics is a data line filter with 2 functions, AEC-Q200 screening level, and 1920 uH inductance. It operates b/w -40 to 125 °C and has a max DC resistance of 0.0495 ohm. Ideal for applications requiring a through-hole mount filter with a rated current of 2.75 A and an output impedance of 5080 OHM.
PA3747.146NL
PA3747.146NL by Pulse Electronics is a data line filter with 2 functions, AEC-Q200 screening level, and 9100 uH inductance. It operates b/w -40 to 125 °C and has a max DC resistance of 0.207 ohm. Ideal for applications requiring through hole mounting, rated current of 1A, and an output impedance of 42690 OHM.
PA3747.505NL
DATA LINE FILTER; Maximum DC Resistance: .1035 ohm; Rated Current: 1.85 A; Output Impedance (ohm): 14400 OHM; Maximum Operating Temperature: 125 Cel; Length: 19.3 mm;
PA3747.905NL
DATA LINE FILTER; Maximum DC Resistance: .154 ohm; Rated Current: 1.45 A; Mounting Type: THROUGH HOLE MOUNT; Width (mm): 18.2; No. of Terminals: 4;
PA3747.306NL
PA3747.306NL by Pulse Electronics is a data line filter with 2 functions, AEC-Q200 screening level, and 4 terminals. It has an inductance of 19500 uH, max operating temperature of 125°C, and rated current of 0.75 A. Ideal for applications requiring high output impedance and through hole mounting.
PA3747.705NL
DATA LINE FILTER; Maximum DC Resistance: .134 ohm; Rated Current: 1.5 A; No. of Functions: 2; Output Impedance (ohm): 18240 OHM; Minimum Operating Temperature: -40 Cel;
PA3747.605NL
DATA LINE FILTER; Maximum DC Resistance: .132 ohm; Rated Current: 1.55 A; Output Impedance (ohm): 17930 OHM; Minimum Operating Temperature: -40 Cel; Length: 19.3 mm;
PA3747.206NL
DATA LINE FILTER; Maximum DC Resistance: .295 ohm; Rated Current: 1 A; Width (mm): 18.2; Mounting Type: THROUGH HOLE MOUNT; Screening Level: AEC-Q200;
PA3747.105NL
DATA LINE FILTER; Maximum DC Resistance: .016 ohm; Rated Current: 5 A; Width (mm): 18.2; Inductance: 670 uH; Screening Level: AEC-Q200;
PA3747.106NL
DATA LINE FILTER; Maximum DC Resistance: .169 ohm; Rated Current: 1.4 A; Length: 19.3 mm; Width (mm): 18.2; Inductance: 6670 uH;
PA3747.405NL
DATA LINE FILTER; Maximum DC Resistance: .0715 ohm; Rated Current: 2.25 A; Width (mm): 18.2; No. of Functions: 2; Output Impedance (ohm): 11570 OHM;
PA3747.805NL
DATA LINE FILTER; Maximum DC Resistance: .143 ohm; Rated Current: 1.5 A; Inductance: 5140 uH; Mounting Type: THROUGH HOLE MOUNT; No. of Terminals: 4;
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