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
Vishay Intertechnology's TSUS4300 is a 3mm IR LED with peak wavelength of 950nm. It has a max forward current of 0.1A and operates b/w -40°C to 85°C. Ideal for applications requiring single infrared LEDs with nominal output power of 20W, such as remote controls and proximity sensors.
Median Price
$0.073
Lifecycle Status
Suppliers In-Stock
7
In-Stock Inventory
1k+
Nova Conductors
1+ parts
100+ parts
-
1k+ parts
10k+ parts
Vyrian
LIBRA Elektronik GmbH
ACDS - Activité Composants Distribution Service
Connector Distribution Corp
Right Parts Inc.
Rebound Electronics
Continental Prestige Electronics
$0.072
Argo Parts USA
$0.071
Advanced Electronics
$0.074
Corohmni
$0.579
Aztec Data Supply Inc.
$0.720
Semicontronic
$8.100
$7.898
$7.857
AZTECH Wire
$13.784
Kepictronics
Authorized Procurement Solutions
Cyclops Electronics Ltd (Excess)
Glotronic Ltd.
Computer Components Inc. - USA
Single configuration allows for precise control and direction of the infrared light output.
Compact size makes it suitable for various applications where space is limited.
Handles high forward current, providing stable and reliable performance.
Peak wavelength of 950 nm is ideal for applications requiring high sensitivity in the infrared spectrum.
Specifically designed for emitting infrared light efficiently and effectively.
Can operate effectively in high-temperature environments, increasing versatility.
Wide operating temperature range ensures stability in both hot and cold conditions.
Matte tin finish provides good electrical conductivity and solderability.
High output power for an infrared LED, suitable for applications requiring intense infrared illumination.
Infrared LEDs TSUS4300 attributes and parameters. Explore more Infrared LEDs devices from Vishay Intertechnology
Additional Features:
Configuration:
Maximum Forward Current:
JESD-609 Code:
No. of Functions:
Maximum Operating Temperature:
Minimum Operating Temperature:
Optoelectronic Type:
Nominal Output Power:
Peak Wavelength (nm):
Shape:
Size:
Terminal Finish:
TSUS4300 Optoelectronics trade compliance attributes, and parameters.
HTS
8541.40.20.00
SB
Vishay Intertechnology, Inc. is a renowned American manufacturer of discrete semiconductors and passive electronic components that have been used in many consumer products and industrial applications worldwide. Founded by Polish-born businessman Felix Zandman in 1962, Vishay has grown to become one of the world's largest manufacturers of these components, with a strong presence in every major market around the globe. The company also offers value-added solutions such as its patented passive components, replacing a number of legacy parts with more reliable, cost effective solutions.
Executive Chairman of the Board, Chief Business Development Officer
Marc Zandman
Chief Executive Officer, President, and Director
Joel Smejkal
Executive Vice President and Chief Financial Officer
Lori Lipcaman
Itzehoe - Fab Phase 1
Fabrication
Fab Initiation
2025
Germany
Itzehoe
Wafer Capacity
US - Fab 3
1986
USA
Santa Clara
24,500
US - Fab 2
1972
8,000
Austria
1984
Vöcklabruck
25,000
Taiwan
1967
Hsintien
12,000
Italy - Fab 8
1961
Canada
Torino
15,000
Israel
2000
Yokneam Illit
400
2N7002
North American Philips Discrete Products Div
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Operating Mode: ENHANCEMENT MODE; Maximum Drain Current (ID): .115 A;
DS18B20U
Maxim Integrated
DS18B20U by Maxim Integrated is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, offering ±0.5°C accuracy. Suitable for applications requiring digital output and surface mounting feature.
1N4148WS
Taitron Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM358N
Kec
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
1N4148
STMicroelectronics
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Maximum Operating Temperature: 200 Cel; Config: SINGLE; Terminal Finish: Tin/Lead (Sn/Pb);
2N2222A
Crimson Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
KSZ9031RNXIC
Micrel
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 48; Package Code: HVQCCN; Package Shape: SQUARE;
NE555D
Fairchild Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
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;
Digitron Semiconductors
BAV99
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Micro Commercial Components
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Shanghai Lunsure Electronic Technology
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JESD-30 Code: O-MBCY-W3;
Continental Device India
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LL4148
Bkc Semiconductors
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Cobham Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Minimum DC Current Gain (hFE): 100; Maximum Turn Off Time (toff): 300 ns;
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;
KSZ9031RNXIA
Microchip Technology
KSZ9031RNXIA by Microchip is a 48-terminal Ethernet transceiver with data rate of 1000 Mbps. Operating temperature range from -40 to 85°C makes it suitable for industrial applications. This square-shaped chip carrier has a very thin profile and matte tin finish, ideal for network interfaces.
C1005X7R1E103K050BB
TDK
The TDK C1005X7R1E103K050BB is a ceramic capacitor with capacitance of 0.01uF and rated DC voltage of 25V. It features X7R temperature characteristics, -55 to 125°C operating range, and ±10% tolerance. Ideal for surface mount applications requiring compact size and stable performance in various electronic circuits.
1554216002
Molex
WIRE AND CABLE;
SEP8506-003
Micro Switch
INFRARED LED; Mounting Feature: THROUGH HOLE MOUNT; Maximum Forward Voltage: 1.5 V; Peak Wavelength (nm): 935; Semiconductor Material: GaAs; Maximum Reverse Voltage: 3 V;
SE308
Renesas Electronics
Infrared LEDs; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); JESD-609 Code: e0; Peak Wavelength (nm): 940; Maximum Forward Voltage: 1.4 V;
QEC113
Onsemi
QEC113 by Onsemi is a 3mm ROUND INFRARED LED with Peak Wavelength of 940nm. It has a Max Forward Current of 0.05A and Max Forward Voltage of 1.5V, suitable for applications requiring IR illumination in devices like sensors and remote controls.
F0094U
Infineon Technologies
Infrared LEDs; Maximum Reverse Voltage: 5 V; Maximum Forward Voltage: 1.5 V; Maximum Operating Temperature: 100 Cel; Spectral Bandwidth: 55 m; Maximum Forward Current: .1 A;
TIES36
Texas Instruments
TIES36 by Texas Instruments is an Infrared LED with peak wavelength of 910nm, forward current of 0.15A, and viewing angle of 25°. Ideal for applications requiring IR illumination such as security cameras, night vision systems, and proximity sensors due to its GaAs semiconductor material and spectral bandwidth of 30m. Operating temperatures range from -55°C to 100°C.
NDL5303PFC
Infrared LEDs; Mounting Feature: THROUGH HOLE MOUNT; Maximum Forward Voltage: 2 V; Semiconductor Material: InGaAs; Minimum Operating Temperature: -40 Cel; Maximum Operating Temperature: 65 Cel;
TLN241
Toshiba
INFRARED LED; Maximum Operating Temperature: 60 Cel; Nominal Output Power: 18 W; Configuration: SINGLE; Size: 1.1 mm; Maximum Forward Current: .05 A;
SFH4256
Osram Opto Semiconductors
Osram Opto Semiconductors SFH4256 is a 2.4mm IR LED with peak wavelength of 860nm, max forward current of 0.07A, and viewing angle of 120°. Ideal for surface mount applications in temperature range -40 to 100°C, offering high output power at low voltage.
QEB363
QEB363 by Onsemi is a 2mm IR LED with peak wavelength of 940nm. It has max forward current of 0.05A and operates b/w -40 °C to 100°C. Ideal for surface mount applications requiring a round shape, it offers a viewing angle of 24° and max forward voltage of 1.6V.
LD261-6
Infrared LEDs; Mounting Feature: THROUGH HOLE MOUNT; Spectral Bandwidth: 55 m; Minimum Operating Temperature: -40 Cel; Semiconductor Material: GaAs; Maximum Operating Temperature: 85 Cel;
TLN102(F)
Infrared LEDs; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Forward Current: .1 A; Semiconductor Material: GaAs; Spectral Bandwidth: 50 m;
VSMB2943GX01
Vishay Intertechnology
VSMB2943GX01 by Vishay Intertechnology is a 1.8mm INFRARED LED with peak wavelength of 940nm, max forward current of 0.1A, and viewing angle of 50°. Ideal for applications requiring high output power up to 40W, such as remote controls, security systems, and proximity sensors.
QED122
The Onsemi QED122 is a single infrared LED with peak wavelength of 890nm. It has a max forward current of 0.1A and operates b/w -40 °C to 100°C. Ideal for applications requiring IR illumination in a compact 4.95mm round package with radial mount feature.
HLP20RGA
INFRARED LED; Shape: ROUND; Maximum Operating Temperature: 60 Cel; Size: 4 mm; Peak Wavelength (nm): 760; No. of Functions: 1;
AREQ-8020-00000
Broadcom
INFRARED LED; Mounting Feature: SURFACE MOUNT; Terminal Finish: Silver (Ag); Packing Method: TR, 7 INCH; Spectral Bandwidth: 34 m; Viewing Angle: 120 deg;
SE5450-012
INFRARED LED; Mounting Feature: THROUGH HOLE MOUNT; Maximum Operating Temperature: 125 Cel; Spectral Bandwidth: 50 m; Maximum Forward Current: .1 A; Maximum Response Time: .0000007 s;
TLN203
INFRARED LED; Nominal Output Power: 3.5 W; Maximum Forward Current: .05 A; Size: 3 mm; Minimum Operating Temperature: -20 Cel; Shape: ROUND;
15411085A4570
Wuerth Elektronik & Kg
Wurth Elektronik's 15411085A4570 is a SINGLE Infrared LED with peak wavelength of 850nm, forward current of 0.07A, and viewing angle of 45°. Ideal for surface mount applications in temperature range -40 to 85°C, it features AlGaAs semiconductor material and operates at max forward voltage of 1.8V.
SFH414-T
INFRARED LED; Nominal Output Power: 22 W; Maximum Operating Temperature: 100 Cel; Peak Wavelength (nm): 950; Configuration: SINGLE; Additional Features: HIGH RELIABILITY;
SE303A-C
Infrared LEDs; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Forward Current: .1 A; Maximum Reverse Voltage: 5 V; Maximum Response Time: .000001 s;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
TSUS5402
Vishay Semiconductors
INFRARED LED; Terminal Finish: Tin/Silver (Sn/Ag); Additional Features: HIGH RELIABILITY; Peak Wavelength (nm): 950; Configuration: SINGLE; Nominal Output Power: 15 W;
Vishay Telefunken
INFRARED LED; Peak Wavelength (nm): 950; Maximum Operating Temperature: 100 Cel; Nominal Output Power: 15 W; Additional Features: HIGH RELIABILITY; No. of Functions: 1;
Telefunken Microelectronics
Infrared LEDs; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Reverse Voltage: 5 V; Maximum Forward Voltage: 2.7 V; Peak Wavelength (nm): 950;
Vishay Intertechnology's TSUS5402 is a 5mm single infrared LED with peak wavelength of 950nm. It has a max forward current of 0.15A and nominal output power of 15W. Ideal for applications requiring IR illumination in temperatures ranging from -55°C to 100°C.
Temic Semiconductors
INFRARED LED; Peak Wavelength (nm): 950; Shape: ROUND; Additional Features: HIGH RELIABILITY; Size: 5 mm; Minimum Operating Temperature: -55 Cel;
TSUS4300
Infrared LEDs; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Semiconductor Material: GaAs; JESD-609 Code: e0; Peak Wavelength (nm): 950;
INFRARED LED; Nominal Output Power: 13 W; Shape: ROUND; Size: 3 mm; No. of Functions: 1; Additional Features: HIGH RELIABILITY;
INFRARED LED; Minimum Operating Temperature: -55 Cel; Size: 3 mm; Shape: ROUND; Additional Features: HIGH RELIABILITY; No. of Functions: 1;
TSUS4300AS12Z
INFRARED LED; Maximum Operating Temperature: 100 Cel; Size: 3 mm; Configuration: SINGLE; Additional Features: HIGH RELIABILITY; No. of Functions: 1;
TSUS4300AS12
INFRARED LED; Maximum Operating Temperature: 100 Cel; Nominal Output Power: 13 W; Minimum Operating Temperature: -55 Cel; Size: 3 mm; No. of Functions: 1;
TSUS4300AS21
INFRARED LED; Additional Features: HIGH RELIABILITY; Size: 3 mm; Shape: ROUND; Nominal Output Power: 13 W; Minimum Operating Temperature: -55 Cel;
TSUS4300BT12
INFRARED LED; Peak Wavelength (nm): 950; Configuration: SINGLE; Maximum Forward Current: .1 A; Additional Features: HIGH RELIABILITY; Minimum Operating Temperature: -55 Cel;
TSUS4300BT21
INFRARED LED; Nominal Output Power: 13 W; Configuration: SINGLE; Peak Wavelength (nm): 950; Shape: ROUND; Maximum Forward Current: .1 A;
INFRARED LED; Shape: ROUND; Maximum Operating Temperature: 100 Cel; Nominal Output Power: 13 W; Size: 3 mm; No. of Functions: 1;
INFRARED LED; Additional Features: HIGH RELIABILITY; Maximum Operating Temperature: 100 Cel; Size: 3 mm; Minimum Operating Temperature: -55 Cel; Peak Wavelength (nm): 950;
INFRARED LED; Size: 3 mm; No. of Functions: 1; Peak Wavelength (nm): 950; Minimum Operating Temperature: -55 Cel; Additional Features: HIGH RELIABILITY;
TSUS4300BT12Z
INFRARED LED; Peak Wavelength (nm): 950; Nominal Output Power: 13 W; No. of Functions: 1; Configuration: SINGLE; Shape: ROUND;
INFRARED LED; No. of Functions: 1; Additional Features: HIGH RELIABILITY; Configuration: SINGLE; Size: 3 mm; Nominal Output Power: 13 W;
INFRARED LED; Configuration: SINGLE; Size: 3 mm; Minimum Operating Temperature: -55 Cel; Shape: ROUND; Additional Features: HIGH RELIABILITY;
TSUS4300-ASZ
INFRARED LED; Mounting Feature: RADIAL MOUNT; Viewing Angle: 32 deg; Minimum Operating Temperature: -40 Cel; Nominal Output Power: 20 W; Maximum Reverse Voltage: 5 V;
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