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
Other Regulators; No. of Terminals: 5; Qualification Status: Not Qualified; Maximum Output Voltage-1: 5 V; Adjustability: ADJUSTABLE; Maximum Time At Peak Reflow Temperature (s): 40;
Median Price
$2.339
Lifecycle Status
Suppliers In-Stock
9
In-Stock Inventory
1k+
Chip1Stop
1+ parts
$1.730
100+ parts
-
1k+ parts
10k+ parts
Mouser Electronics
$4.660
$2.950
$2.580
$2.520
DigiKey
$2.638
$2.548
Rochester
$2.040
$1.830
$1.720
Nova Conductors
$1.080
Digiode
$1.786
Anansix
Vyrian
Semtec, LLC
Component Stockers USA
$0.990
$0.940
$1.440
Continental Prestige Electronics
$1.058
Argo Parts USA
Ampacity Inc.
$1.430
Corphita
$1.692
Parana Technologies
$2.302
$2.803
DigiPath Technology Company
$2.535
ChromeModa Solutions
$2.587
$2.121
IDEA Electronic Components Group
$2.328
Lixinc
Perfect Parts
Authorized Procurement Solutions
Netroflash
$1.026
$1.004
Other Function Regulators LP38500ATJ-ADJ/NOPB attributes and parameters. Explore more Other Function Regulators devices from National Semiconductor
Adjustability:
Nominal Dropout Voltage-1:
JESD-609 Code:
Maximum Line Regulation (%/V):
Moisture Sensitivity Level (MSL):
No. of Outputs:
No. of Terminals:
Operating Temperature (TJ-Max):
Operating Temperature (TJ-Min):
Maximum Output Current-1:
Maximum Output Voltage-1:
Minimum Output Voltage-1:
Package Body Material:
Package Equivalence Code:
Packing Method:
Peak Reflow Temperature (C):
Qualification Status:
Sub-Category:
Surface Mount:
Technology:
Terminal Finish:
Terminal Pitch:
Terminal Position:
Maximum Time At Peak Reflow Temperature (s):
LP38500ATJ-ADJ/NOPB Regulators trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
PCN Design/Specification - Die Rev 13/Jul/2017 Die Attach Update RevA 20/Mar/2017
National Semiconductor was an American semiconductor manufacturer which specialized in analog devices and subsystems, formerly with headquarters in Santa Clara, California. The company produced power management integrated circuits, display drivers, audio and operational amplifiers, communication interface products and data conversion solutions. National's key markets included wireless handsets, displays and a variety of broad electronics markets, including medical, automotive, industrial and test and measurement applications.On September 23, 2011, the company formally became part of Texas Instruments as the "Silicon Valley" division.
LM7805CT
Fairchild Semiconductor
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 %;
SS14
Pro-an Electronic
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
RC0603JR-070RL
Yageo
Yageo's RC0603JR-070RL is a SMT fixed resistor with 0 ohm resistance, rated for temperatures from -55 to 155 °C. Its metal glaze/thick film technology and 0.1 W power dissipation make it ideal for jumper applications in various electronic devices.
1N4148
Hitano Enterprise
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Transys Electronics
261
Mercury Systems
Other Interface ICs; Temperature Grade: MILITARY; Terminal Form: FLAT; No. of Terminals: 14; Package Code: DFP; Package Shape: SQUARE;
Micro Commercial Components
2N2222A
Onsemi
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; No. of Terminals: 3;
LM317T
Analog Devices
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; No. of Functions: 1; Package Body Material: PLASTIC/EPOXY; Surface Mount: NO;
STM32H753BIT6
STMicroelectronics
STM32H753BIT6 by STMicroelectronics is a 32-bit microcontroller with 208 terminals, operating at up to 48 MHz. It features 20-Ch 16-Bit ADCs, 2-Ch 12-Bit DACs, and extensive peripherals for industrial applications like CAN, Ethernet, and USB connectivity. With a wide temperature range of -40 to +85 °C, it's ideal for demanding environments requiring high-speed processing capabilities.
CC0603KRX7R9BB104
Yageo's CC0603KRX7R9BB104 is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. With X7R temperature characteristics, it operates b/w -55 to 125°C. Ideal for surface mount applications in electronics due to its compact size of 1.6mm x 0.8mm x 0.8mm and wraparound terminals.
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.
Bharat Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
1N4148WS
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Daco Semiconductor
Lite-on Semiconductor
Comset Semiconductors
Other Regulators; No. of Terminals: 3; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %; Operating Temperature (TJ-Min): 0 Cel; Technology: BIPOLAR;
M39029/56351
Souriau
CONNECTOR ACCESSORY; MIL Conformity: YES; Contact Gender: FEMALE; Insertion Tools: M81969/14-10; Tool Settings: M22520/2-10; DIN Conformity: NO;
BSS138
Calogic
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Drain Current (Abs) (ID): .2 A;
LM317AEMP/NOPB
Texas Instruments
LM317AEMP/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and a max output current of 1.5A. It operates in temperatures ranging from -40°C to 125°C, making it suitable for various applications requiring precise voltage regulation in a compact package.
SN209004DBVT
SN209004DBVT by Texas Instruments is a CMOS regulator with 2.8V output voltage, 0.15A max current, and 1V dropout voltage. It operates in temperatures from -40 to 125°C and has a max input voltage of 10V. Ideal for applications requiring precise voltage regulation in compact designs.
SN0211071DBVR
Texas Instruments' SN0211071DBVR is a CMOS regulator with 5V output voltage, 0.15A max current, and 4% voltage tolerance. Ideal for applications requiring precise power regulation in compact spaces due to its small outline package and surface mount capability. Operating temperature range from -40°C to 125°C makes it versatile for various environments.
UA78L02ACLP1
UA78L02ACLP1 by Texas Instruments is a fixed voltage regulator with an output of 2.6V and max current of 0.1A. Operating temperature ranges from 0 to 125°C, making it suitable for various applications in electronics requiring stable power supply. With a package body material of PLASTIC/EPOXY, this bipolar technology regulator offers precise voltage regulation with low load and line regulation percentages.
LM340S-5.0
Integrated Circuit Technology
Other Regulators; No. of Terminals: 3; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %; Adjustability: FIXED; Qualification Status: Not Qualified;
TPS77350DGKT
TPS77350DGKT by Texas Instruments is a CMOS regulator with 5V output voltage, 0.25A max current, and 2% voltage tolerance. It operates b/w -40 to 125°C, suitable for various applications requiring stable power supplies in compact designs. The package is small outline with gull wing terminals for surface mount assembly.
UA78L05ACLPP3
UA78L05ACLPP3 by Texas Instruments is a fixed 5V voltage regulator with a max output current of 0.1A and operating temperature range from 0 to 125°C. It features low line regulation of 0.15% and load regulation of 0.06%, making it ideal for applications requiring stable power supply in various electronic devices.
5962-0722501VSA
Texas Instruments' 5962-0722501VSA is a CMOS regulator with 3.3V and 2.5V output voltages, ideal for applications requiring precise voltage regulation. With a max output current of 1A and operating temperature range from -40 to 125°C, it offers reliable performance in various electronic systems. The package style is flatpack with ceramic body material, making it suitable for surface mount installations in demanding environments.
TA78L12F(TE12L)
Toshiba
Toshiba's TA78L12F(TE12L) is a 3-terminal fixed voltage regulator with a nominal output of 12V. It operates at temperatures ranging from 0 to 125°C, making it suitable for various applications. With a max load regulation of 0.1% and max output current of 0.1A, it provides stable power in surface mount configurations.
TPS51200DRCR
TPS51200DRCR by Texas Instruments is a DDR termination regulator with a max output current of 3A. It operates in temperatures ranging from -40 to 85°C and has a package style of small outline, heat sink/slug, very thin profile. Ideal for applications requiring precise voltage regulation in compact spaces.
UA7912CKCP3
UA7912CKCP3 by Texas Instruments is a -12V fixed voltage regulator with 1.5A output current and 40V max input voltage. It features 125°C max operating temperature, 5% voltage tolerance, and 0.08% line regulation. Ideal for applications requiring stable power supply in electronic devices.
LM723CH
Harris Semiconductor
Other Regulators; No. of Terminals: 10; Terminal Form: WIRE; Qualification Status: Not Qualified; Adjustability: ADJUSTABLE; Minimum Output Voltage-1: 2 V;
LM304JP4
LM304JP4 by Texas Instruments is a ceramic packaged bipolar regulator with 14 terminals. It has an adjustable output voltage range from -0.015V to -40V, making it suitable for various applications requiring precise voltage regulation in temperatures ranging from 0°C to 70°C.
UA78M15CKDP1
UA78M15CKDP1 by Texas Instruments is a fixed 15V bipolar regulator with a max output current of 0.5A and operating temperature range from 0 to 125°C. It features a plastic/epoxy package body material, making it suitable for various applications requiring stable voltage regulation in electronic circuits.
UA78M24CKC3
UA78M24CKC3 by Texas Instruments is a fixed 24V voltage regulator with 3 terminals and bipolar technology. It has a max load regulation of 0.48% and operates in temperatures ranging from 0 to 125°C. This regulator, made of plastic/epoxy, is ideal for applications requiring stable power supply at a specific voltage level.
TL317MJG
TL317MJG by Texas Instruments is an adjustable bipolar regulator with a min output voltage of 1.2V and max output voltage of 32V. It operates in temperatures ranging from -55°C to 125°C, making it suitable for various applications requiring precise voltage regulation in harsh environments. With a ceramic package body material and through-hole terminal form, this device offers reliability and stability in diverse electronic systems.
5962R1422801VXC
Texas Instruments' 5962R1422801VXC is a DDR termination regulator with 16 terminals. It offers a min output voltage of 0.6 V and can handle a max output current of 3 A. This ceramic, metal-sealed co-fired device is ideal for applications requiring radiation tolerance up to 100k Rad(Si).
TAR5SB33(TE85L,F)
Other Regulators; Peak Reflow Temperature (C): 260; Moisture Sensitivity Level (MSL): 1;
TS1117CW-2.5
Taiwan Semiconductor
TS1117CW-2.5 by Taiwan Semiconductor is a fixed voltage regulator with 2.5V output, 0.8A max current, and 1.3V dropout voltage. Ideal for applications requiring precise voltage regulation in a compact form factor, such as consumer electronics and industrial control systems. Operating temperature range from -25 to 150°C ensures reliable performance in various environments.
LM204L
LM204L by Texas Instruments is a BIPOLAR regulator with METAL package, 10 terminals, and adjustable output voltage from -40V to -0.015V. It operates b/w -25°C to 85°C and is commonly used in applications requiring precise voltage regulation in round cylindrical packages.
LM7815CT
Silicon Group
Other Regulators; No. of Terminals: 3; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %; No. of Outputs: 1; Adjustability: FIXED;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
LP38690SD-3.3/NOPB
National Semiconductor
Other Regulators; No. of Terminals: 6; Package Code: SON; Terminal Form: NO LEAD; Maximum Input Voltage Absolute: 12 V; Maximum Voltage Tolerance: 5 %;
LP38690SD-ADJ/NOPB
Other Regulators; No. of Terminals: 6; Package Code: SON; Terminal Form: NO LEAD; Package Equivalence Code: SOLCC6,.13,38; Package Shape: RECTANGULAR;
LP38513TJ-ADJ/NOPB
Other Regulators; No. of Terminals: 5; Maximum Load Regulation (%): .6 %; Adjustability: ADJUSTABLE; Surface Mount: YES; Peak Reflow Temperature (C): 260;
LP38500ASD-ADJ/NOPB
Other Regulators; No. of Terminals: 8; Package Code: SON; Terminal Form: NO LEAD; Package Shape: RECTANGULAR; Packing Method: TR;
LP38691QSD-ADJ/NOPB
Other Regulators; No. of Terminals: 6; Package Code: SON; Terminal Form: NO LEAD; Maximum Load Regulation (%): 2.5 %; Qualification Status: Not Qualified;
LP38501TS-ADJ/NOPB
Other Regulators; No. of Terminals: 5; Moisture Sensitivity Level (MSL): 3; Minimum Output Voltage-1: .6 V; Terminal Pitch: 1.7 mm; Maximum Time At Peak Reflow Temperature (s): 30;
LP3879MR-1.2/NOPB
Other Regulators; No. of Terminals: 8; Package Code: SOP; Terminal Form: GULL WING; Maximum Input Voltage Absolute: 16 V; Maximum Voltage Tolerance: 3 %;
LP38692SD-3.3/NOPB
LP38501TSX-ADJ/NOPB
Other Regulators; No. of Terminals: 5; Minimum Output Voltage-1: .6 V; Packing Method: TR; No. of Outputs: 1; Maximum Output Current-1: 3 A;
LP38512MR-ADJ/NOPB
Other Regulators; No. of Terminals: 8; Package Code: SOP; Terminal Form: GULL WING; Adjustability: ADJUSTABLE; Maximum Line Regulation (%/V): .06;
LP38502ASD-ADJ/NOPB
Other Regulators; No. of Terminals: 8; Package Code: SON; Terminal Form: NO LEAD; Package Body Material: PLASTIC/EPOXY; JESD-609 Code: e3;
LP38692SD-5.0/NOPB
LP38500TS-ADJ/NOPB
Other Regulators; No. of Terminals: 5; Maximum Line Regulation (%/V): .05; Qualification Status: Not Qualified; Packing Method: RAIL; Surface Mount: YES;
LP38501TJ-ADJ/NOPB
Other Regulators; No. of Terminals: 5; Maximum Output Voltage-1: 5 V; Packing Method: TR; Surface Mount: YES; Operating Temperature (TJ-Min): -40 Cel;
LP38501ATJ-ADJ/NOPB
Other Regulators; No. of Terminals: 5; Maximum Output Current-1: 3 A; Nominal Dropout Voltage-1: .42 V; Terminal Pitch: 1.7 mm; Maximum Output Voltage-1: 5 V;
LP38691SDX-3.3/NOPB
Other Regulators; No. of Terminals: 6; Package Code: SON; Terminal Form: NO LEAD; Maximum Input Voltage Absolute: 12 V; Maximum Voltage Tolerance: 4 %;
LP38693MPX-5.0/NOPB
Other Regulators; No. of Terminals: 4; Maximum Input Voltage Absolute: 12 V; Maximum Voltage Tolerance: 4 %; Maximum Line Regulation: .0225 %; Maximum Time At Peak Reflow Temperature (s): 40;
LP38851MR-ADJ/NOPB
Other Regulators; No. of Terminals: 8; Package Code: SOP; Terminal Form: GULL WING; Peak Reflow Temperature (C): 260; Package Shape: RECTANGULAR;
LP38853MR-ADJ/NOPB
Other Regulators; No. of Terminals: 8; Package Code: SOP; Terminal Form: GULL WING; Qualification Status: Not Qualified; Terminal Position: DUAL;
LP38500ASDX-ADJ/NOPB
Other Regulators; No. of Terminals: 8; Package Code: SON; Terminal Form: NO LEAD; Maximum Time At Peak Reflow Temperature (s): 40; Operating Temperature (TJ-Max): 125 Cel;
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