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
The Vishay Intertechnology TEMD5510FX01 is a single PIN photodiode with peak wavelength of 540nm. It operates b/w -40 to 100°C, with reverse breakdown voltage of 16V. Ideal for surface mount applications requiring a rectangular photodiode measuring 4.4mm in size.
Median Price
$1.750
Lifecycle Status
Suppliers In-Stock
20
In-Stock Inventory
1k+
Newark
1+ parts
$0.749
100+ parts
1k+ parts
10k+ parts
-
Verical
$1.200
Farnell
$1.030
$0.808
DigiKey
$2.220
$1.137
$1.028
$0.816
Mouser Electronics
$2.290
$1.130
$0.960
$0.795
Chip1Stop
$6.280
Element14
$184.260
$94.620
$85.490
Future Electronics
RS (Exports)
$1.158
$0.861
Nova Conductors
$0.998
TME
$2.070
$1.150
$1.040
IBS Electronics
$1.171
NAC Semi
$1.500
ComSIT Distribution GmbH
LIBRA Elektronik GmbH
Vyrian
Sensible Micro Corp
Bristol Electronics
$1.275
$0.765
Rebound Electronics
Cyclops Electronics Ltd
Aztec Data Supply Inc.
$0.100
Corohmni
$0.625
Semicontronic
$0.780
$0.760
$0.757
Ampacity Inc.
Argo Parts USA
RC Electronics
Kepictronics
Infinite Electronics LLP (Excess)
Authorized Procurement Solutions
Robosynatics
Lucentia Tech
$0.754
$0.738
Continental Prestige Electronics
$0.758
Netroflash
$0.979
$0.949
$0.929
Formix International (Excess)
SINGLE configuration makes it easy to integrate into various applications without the need for complex circuit design.
Small size allows for compact design and easy placement in tight spaces.
Peak wavelength of 540 nm is ideal for applications requiring sensitivity to green light.
PIN photodiode design provides high speed and low noise performance, making it suitable for precision sensing applications.
High maximum operating temperature ensures reliability in harsh environmental conditions.
High reverse breakdown voltage protects the photodiode from damage due to reverse bias.
Rectangular shape allows for easy alignment and mounting in applications.
Low minimum operating temperature allows for use in cold environments without loss of performance.
Matte tin terminal finish provides good solderability for easy assembly onto PCBs.
Low nominal light current allows for accurate detection of low light levels.
Low dark current ensures minimal noise in low light conditions for accurate sensing.
High maximum reverse voltage ensures protection against damage from reverse bias conditions.
Silicon material provides high sensitivity and low noise performance for precise light detection.
Surface mounting feature allows for easy and secure attachment to PCBs for reliable operation.
Photodiodes TEMD5510FX01 attributes and parameters. Explore more Photodiodes devices from Vishay Intertechnology
Additional Features:
Configuration:
Maximum Dark Current:
Infrared (IR) Range:
JESD-609 Code:
Nominal Light Current:
Mounting Feature:
No. of Functions:
Maximum Operating Temperature:
Minimum Operating Temperature:
Optoelectronic Type:
Peak Wavelength (nm):
Minimum Reverse Breakdown Voltage:
Maximum Reverse Voltage:
Semiconductor Material:
Shape:
Size:
Sub-Category:
Terminal Finish:
TEMD5510FX01 Optoelectronics trade compliance attributes, and parameters.
HTS
8541.40.60.50
SB
PCN Assembly/Origin - PIN Diodes Wafer Chg 14/Jul/2020
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
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;
LL4148-GS08
Vishay Intertechnology
The Vishay Intertechnology LL4148-GS08 is a glass diode with fast recovery time of 0.008 us and max reverse current of 5 uA. Ideal for applications requiring rectification, it has a breakdown voltage of 100 V and can handle a peak forward current of 2 A.
SMBJ18CA
Protek Devices
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Vishay Semiconductors
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: J BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM317T
Micro Commercial Components
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Moisture Sensitivity Level (MSL): 1; Maximum Output Current-1: 1.5 A; Operating Temperature (TJ-Min): 0 Cel;
Db Lectro
LL4148
Sensitron Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM358AN
Texas Instruments
LM358AN by Texas Instruments is an Operational Amplifier with 2 functions. It has a Max Input Offset Voltage of 5000 uV and Nominal Common Mode Reject Ratio of 85 dB. Widely used in voltage-feedback applications due to its high Min Voltage Gain of 15000 and Unity Gain Bandwidth of 1000 kHz.
1N4148
Capar Components
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Forward Voltage (VF): 1 V; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Output Current: .15 A;
2N7002
Zetex Plc
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Peak Reflow Temperature (C): 260; Package Shape: RECTANGULAR;
TCA6424ARGJR
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.
FT232RL-TUBE
FTDI
FTDI's FT232RL-TUBE is a bus controller with 28 terminals, operating at 3.3-5.25V. It supports USB, VBUS, and UART interfaces with a data transfer rate of 60MBps. Ideal for industrial applications requiring RS232/RS422/RS485 compatibility in compact designs due to its small outline package style.
SS14
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM107H
Intersil
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Nominal Common Mode Reject Ratio: 96 dB;
OPA2227UA
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
Tt Electronics Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .8 A; JESD-30 Code: O-MBCY-W3;
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.
LM555CN
Rochester Electronics
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Shape: RECTANGULAR; Surface Mount: NO; No. of Functions: 1;
Continental Device India
FDC5614P
MSKSEMI SEMICONDUCTOR
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 2 W; Transistor Element Material: SILICON; Minimum DS Breakdown Voltage: 60 V;
HSDL-5420#011
Lite-on Technology
PIN PHOTODIODE; Minimum Reverse Breakdown Voltage: 40 V; Peak Wavelength (nm): 875; Configuration: SINGLE; Maximum Operating Temperature: 85 Cel; Shape: ROUND;
SPS601C1
Onsemi
Photo Diodes; Mounting Feature: SURFACE MOUNT; Maximum Operating Temperature: 70 Cel; Maximum Dark Current: 3 nA; Minimum Operating Temperature: -20 Cel;
PDB-C201
Luna Innovations
Photo Diodes;
BPW34
Infineon Technologies
PIN PHOTODIODE; Mounting Feature: THROUGH HOLE MOUNT; Maximum Dark Current: 2 nA; Semiconductor Material: Silicon; Maximum Response Time: .00000035 s; Maximum Operating Temperature: 80 Cel;
SFH263P
Photo Diodes; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Dark Current: .02 nA; Maximum Response Time: .0000013 s; Semiconductor Material: Silicon;
MICROFJ-30020-TSV-TR1
MICROFJ-30020-TSV-TR1 by Onsemi is a 3.07mm square avalanche photodiode with peak wavelength of 420nm. It operates b/w -40°C to 85°C, with min reverse breakdown voltage of 24.2V and max dark current of 720nA. Ideal for optoelectronic applications requiring high sensitivity and precision in temperature-controlled environments.
HSDL-5420#1L1
Hewlett Packard
PIN PHOTODIODE; No. of Functions: 1; Shape: ROUND; Infrared (IR) Range: YES; Minimum Operating Temperature: -40 Cel; Nominal Light Current: .0016 mA;
OP913SL
Optek Technology
PIN PHOTODIODE; Mounting Feature: THROUGH HOLE MOUNT; Shape: ROUND; Size: 8.13 mm; Maximum Dark Current: 25 nA; Semiconductor Material: Silicon;
BPW34FASR18R
Osram Opto Semiconductors
BPW34FASR18R by Osram Opto Semiconductors is a single PIN photodiode with peak wavelength of 880nm. It has a min reverse breakdown voltage of 16V and operates b/w -40°C to 100°C. Ideal for applications requiring infrared detection, it features a square shape and size of 2.65mm, with nominal light current of 0.023mA and max dark current of 30nA.
MICROFC-SMTPA-30035-GEVB
AVALANCHE PHOTODIODE;
SDP8276-001
Honeywell Sensing And Control
Honeywell's SDP8276-001 photodiode has a max operating temp of 85°C and min of -40°C. With max dark current of 50nA and reverse voltage of 50V, it uses silicon semiconductor material for THROUGH HOLE MOUNT applications.
SFH872/F272
Photo Diodes; Shape: SQUARE; No. of Functions: 1; Configuration: SINGLE; Size: 20 mm;
BPW34B
Infineon's BPW34B is a PIN photodiode with max. operating temp of 80°C and min. temp of -40°C. It has a max. dark current of 2nA, response time of 0.00000035s, and reverse voltage of 32V. Ideal for optoelectronic applications requiring precise light detection in various environments due to its silicon semiconductor material and through-hole mounting feature.
MICRORB-SMPTA-10010-GEVB-PK
SFH235FA
SFH235FA by Infineon Technologies is a PIN photodiode with max response time of 0.00000002s and max reverse voltage of 32V. Operating temp ranges from -40°C to 80°C, making it ideal for optoelectronic applications requiring fast and precise light detection.
SFH2400FA
SFH2400FA by Infineon Technologies is a silicon photodiode with a max operating temperature of 100°C and a min operating temperature of -55°C. It has a max dark current of 1nA and a max response time of 5ns. This surface mount photodiode is commonly used in applications such as optical sensors and communication systems.
PH320
Renesas Electronics
PIN PHOTODIODE; Mounting Feature: THROUGH HOLE MOUNT; Maximum Dark Current: 10 nA; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -30 Cel; Maximum Response Time: .00000012 s;
NDL8800PC
PIN PHOTODIODE; Mounting Feature: THROUGH HOLE MOUNT; Minimum Operating Temperature: -40 Cel; Maximum Operating Temperature: 85 Cel; Maximum Reverse Voltage: 20 V; Maximum Dark Current: 1 nA;
SFH2223
PIN PHOTODIODE; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Reverse Voltage: 20 V; Maximum Dark Current: 10 nA; JESD-609 Code: e0;
NDL5131P1
AVALANCHE PHOTODIODE; Mounting Feature: THROUGH HOLE MOUNT; Maximum Dark Current: 200 nA; Maximum Reverse Voltage: 45 V; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
TEMD5010X01
The Vishay Intertechnology TEMD5010X01 is a single PIN photodiode with peak wavelength of 940nm. It operates b/w -40 to 100°C, with reverse breakdown voltage of 60V. Ideal for IR applications, it has nominal light current of 0.05mA and max dark current of 30nA.
TEMD5110X01
TEMD5110X01 by Vishay Intertechnology is a single configuration photodiode with a peak wavelength of 940 nm. It operates at temperatures ranging from -40 to 100 °C and has a min reverse breakdown voltage of 60 V. This rectangular-shaped PIN photodiode is suitable for applications requiring infrared detection in surface mount installations.
TEMD1040
PIN PHOTODIODE; Mounting Feature: SURFACE MOUNT; Terminal Finish: Tin (Sn); Semiconductor Material: Silicon; Minimum Reverse Breakdown Voltage: 60 V; Peak Wavelength (nm): 940;
TEMD6010FX01
The Vishay Intertechnology TEMD6010FX01 is a single PIN photodiode with peak wavelength of 540nm. It operates b/w -40°C to 100°C, with reverse breakdown voltage of 16V. Ideal for surface mount applications, it has a nominal light current of 0.001mA and max dark current of 30nA.
TEMD7000X01
The Vishay Intertechnology TEMD7000X01 is a 2mm PIN photodiode with peak wavelength of 900nm. It operates b/w -40°C to 100°C, with reverse breakdown voltage of 60V. Ideal for infrared applications, it has nominal light current of 0.003mA and max dark current of 3nA.
TEMD5080X01
The Vishay Intertechnology TEMD5080X01 is a single PIN photodiode with peak wavelength of 940nm. It operates b/w -40°C to 110°C, with reverse breakdown voltage of 25V. Ideal for infrared applications, it has nominal light current of 0.05mA and max dark current of 10nA.
TEMD1020
The Vishay Intertechnology TEMD1020 is a single PIN photodiode with a peak wavelength of 940nm. Operating temperature ranges from -40 to 85°C, with a reverse breakdown voltage of 60V. Ideal for infrared applications, this round photodiode has a size of 1.9mm and max dark current of 10nA.
TEMD1030
PIN PHOTODIODE; Mounting Feature: SURFACE MOUNT; Terminal Finish: Tin (Sn); Maximum Dark Current: 10 nA; Configuration: SINGLE; Semiconductor Material: Silicon;
TEMD7100X01
PIN PHOTODIODE; Mounting Feature: SURFACE MOUNT; Maximum Reverse Voltage: 60 V; Additional Features: DAY LIGHT FILTER, HIGH SENSITIVITY; Semiconductor Material: Silicon; Nominal Light Current: .003 mA;
TEMD5020X01
PIN PHOTODIODE; Mounting Feature: SURFACE MOUNT; Terminal Finish: Matte Tin (Sn); Semiconductor Material: Silicon; Shape: RECTANGULAR; Size: 4.4 mm;
TEMD5120X01
PIN PHOTODIODE; Mounting Feature: SURFACE MOUNT; Terminal Finish: Matte Tin (Sn); Minimum Reverse Breakdown Voltage: 60 V; Maximum Operating Temperature: 100 Cel; Infrared (IR) Range: YES;
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