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
TRIAC OUTPUT OPTOCOUPLER WITH ZERO CRSVR; Terminal Finish: Tin/Lead (Sn/Pb); Minimum Operating Temperature: -40 Cel; Additional Features: UL APPROVED, VDE APPROVED; Maximum Isolation Voltage: 7500 V; Maximum Operating Temperature: 85 Cel;
Median Price
$4.900
Lifecycle Status
Suppliers In-Stock
12
In-Stock Inventory
1k+
Forefront Electronics and Design
1+ parts
100+ parts
-
1k+ parts
10k+ parts
Vyrian
Digiode
PC Components Company LLC
Bristol Electronics
Nova Conductors
Mil-Aero Solutions, Inc.
Electronic Expediters
M&R Communications
Prism Electronics
Beltway Electronics Company
LWI Electronics Inc
Ampacity Inc.
$15.100
Authorized Procurement Solutions
Supply Digital
Glotronic Ltd.
Assy Fe
Aranea Global
Continental Prestige Electronics
Corphita
Argo Parts USA
Kepictronics
Optocoupler Trigger Device Outputs MOC3163 attributes and parameters. Explore more Optocoupler Trigger Device Outputs devices from Qt Optoelectronics
Additional Features:
Configuration:
Maximum Forward Current:
Nominal Input Trigger Current:
Maximum Isolation Voltage:
JESD-609 Code:
No. of Elements:
Maximum Operating Temperature:
Minimum Operating Temperature:
Optoelectronic Type:
Minimum Peak Off-state Voltage:
Terminal Finish:
MOC3163 Optoelectronics trade compliance attributes, and parameters.
HTS
8541.40.80.00
SB
1N4148
Shenzhen Yixinsemi Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
SS14
Sangdest Microelectronics (Nanjing)
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
RC0805FR-0710RL
Yageo
Yageo's RC0805FR-0710RL is a 10 ohm SMT fixed resistor with 1% tolerance and 0.125 W power dissipation. With a temperature range of -55 to 155 °C, it suits applications requiring precise resistance values in compact surface mount designs.
LM555CMX
National Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
1N4148WT
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Daco Semiconductor
OHN3020U
Tt Electronics Plc
OHN3020U by Tt Electronics Plc is a magnetic field sensor with a max supply voltage of 24V and hysteresis of 5mT. It features an output range of 25mA and operates in temperatures ranging from -20 to 85°C. Ideal for applications requiring precise detection and measurement of magnetic fields, such as automotive sensors or industrial automation systems.
MBR0520L-T1
Won-top Electronics
MBR0520L-T1 by Won-top Electronics is a Schottky rectifier diode with 20V peak reverse voltage and 0.5A output current. It is a single-config, surface-mount diode in a small outline package, suitable for applications requiring high-speed switching and low forward voltage drop. Operating temperature range from -65°C to 125°C makes it ideal for various electronic circuits.
AB26TRB-32.768KHZ--T
Abracon
AB26TRB-32.768KHZ--T by Abracon is a crystal oscillator with 20 ppm frequency tolerance, 126% stability, and 35000 ohm series resistance. Ideal for applications requiring 0.032768 MHz nominal frequency in surface mount configurations.
E8WSDC12-32.768KTR
Ecliptek
PARALLEL - FUNDAMENTAL; Mounting Feature: SURFACE MOUNT; Frequency Tolerance: 20 ppm; Aging: 3 PPM/YEAR; Load Capacitance: 12.5 pF; Nominal Operating Frequency: .032768 MHz;
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;
2N7002
General Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JEDEC-95 Code: TO-236AB; Qualification: Not Qualified; Package Style (Meter): SMALL OUTLINE;
LM107H/883
Linear Technology
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Technology: BIPOLAR;
BAV99
Vishay Sprague
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
Taiwan Semiconductor
PAP-06V-S
J S T Mfg
PAP-06V-S by J S T Mfg is a 6-contact BOARD CONNECTOR with 94V-0 UL Flammability Code. It has FEMALE contacts, CRIMP termination, and comes WITH CABLE ASSEMBLY for CABLE mounting applications.
DS18B20
Maxim Integrated
DS18B20 by Maxim Integrated is a 12-bit digital temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, with ±0.5°C accuracy. Commonly used in applications requiring precise temperature monitoring like HVAC systems and industrial automation.
Vishay Telefunken
2N2222A
Asi 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;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .8 A; JESD-30 Code: O-MBCY-W3;
TLP3083(TP1,F(O
Toshiba
Toshiba's TLP3083(TP1,F(O optocoupler has a max on-state voltage of 3V, peak surge current of 1.2A, and isolation voltage of 5000V. Ideal for triggering devices in applications requiring high voltage protection and precise control in temperatures ranging from -25 to 85°C.
FODM3053V_NF098
Onsemi
FODM3053V_NF098 by Onsemi is a TRIAC output optocoupler with max on-state voltage of 3V and max forward current of 0.06A. It operates b/w -40 °C to 100°C, has an isolation voltage of 3750V, and is ideal for triggering devices in applications requiring high voltage protection.
FODM3083R1
Fairchild Semiconductor
FODM3083R1 by Fairchild Semiconductor is a single TRIAC output optocoupler with a max forward current of 0.06 A and isolation voltage of 3750 V. It operates b/w -40 to 100 °C, with a nominal input trigger current of 5 mA. Ideal for applications requiring high voltage isolation and precise triggering in industrial control systems.
MOC3033SR2M
MOC3033SR2M by Onsemi is a single optocoupler trigger device with a max on-state voltage of 3V and peak surge current of 1A. It features a triac output optocoupler configuration, suitable for applications requiring high isolation voltage up to 7500V. Ideal for surface mounting, it operates b/w -40°C to 85°C temperatures.
MOC3051
Isocom
TRIAC OUTPUT OPTOCOUPLER; Maximum Operating Temperature: 100 Cel; Minimum Peak Off-state Voltage: 600 V; Maximum On State Current: .1 A; Configuration: SINGLE; Maximum Forward Current: .06 A;
IL4208-X009
Siemens
TRIAC OUTPUT OPTOCOUPLER; Nominal Input Trigger Current: 1 mA; Configuration: SINGLE; Maximum Forward Current: .06 A; Maximum On State Current: .3 A; Minimum Peak Off-state Voltage: 800 V;
MOC3021SM
Harris Semiconductor
TRIAC OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Reverse Leakage Current: .0000001 A; Repetitive Off-state Voltage (Peak): 400 V; Maximum Input Trigger Current: .015 A;
MOC3082SM
The Onsemi MOC3082SM is a single TRIAC output optocoupler with 3V max on-state voltage and 1A peak surge current. Ideal for applications requiring high isolation voltage of 7500V, operating temperature range from -40 to 85 °C, and surface mounting feature.
MOC3012
Qt Optoelectronics
TRIAC OUTPUT OPTOCOUPLER; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Isolation Voltage: 5300 V; JESD-609 Code: e0; Additional Features: UL RECOGNIZED; Minimum Peak Off-state Voltage: 250 V;
FOD4208SV
TRIAC OUTPUT OPTOCOUPLER; Terminal Finish: Matte Tin (Sn); Additional Features: UL RECOGNIZED, VDE APPROVED; Minimum Operating Temperature: -55 Cel; Maximum Operating Temperature: 100 Cel; Minimum Peak Off-state Voltage: 800 V;
MOC3063SR2M
TRIAC OUTPUT OPTOCOUPLER WITH ZERO CRSVR; Mounting Feature: SURFACE MOUNT; Terminal Finish: Matte Tin (Sn); Configuration: SINGLE; Maximum Reverse Leakage Current: .0001 A; Minimum Operating Temperature: -40 Cel;
FOD420SDV
FOD420SDV by Onsemi is a single TRIAC output optocoupler with a max on-state voltage of 3V and peak surge current of 3A. It operates b/w -55 to 100°C, has an isolation voltage of 5000V, and is ideal for triggering devices in applications requiring high voltage protection.
MOC3023X
Isocom Components
The Isocom Components MOC3023X is a single TRIAC output optocoupler with a max on-state voltage of 3V and peak surge current of 1A. It operates b/w -40 to 100°C, has an isolation voltage of 5300V, and is ideal for triggering devices in applications requiring high electrical isolation.
TRIAC OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Terminal Finish: Matte Tin (Sn); Maximum Input Trigger Current: .015 A; Peak Surge Current: 1 A; Configuration: SINGLE;
IL420-X016
TRIAC OUTPUT OPTOCOUPLER; Additional Features: HIGH SENSITIVITY, UL APPROVED; Maximum Operating Temperature: 100 Cel; Minimum Peak Off-state Voltage: 600 V; Maximum Forward Current: .06 A; Configuration: SINGLE;
IL410
TRIAC OUTPUT OPTOCOUPLER WITH ZERO CRSVR; Configuration: SINGLE; No. of Elements: 1; Nominal Input Trigger Current: 2 mA; Minimum Peak Off-state Voltage: 600 V; Maximum Isolation Voltage: 5300 V;
50092
Murrelektronik
TRIAC OUTPUT OPTOCOUPLER; Mounting Feature: PANEL MOUNT; Maximum Operating Temperature: 60 Cel; Configuration: SINGLE; Minimum Operating Temperature: -20 Cel; Maximum Forward Current: .006 A;
MOC3063
TRIAC OUTPUT OPTOCOUPLER WITH ZERO CRSVR; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: TIN; Nominal Input Trigger Current: 5 mA; Minimum Peak Off-state Voltage: 600 V; No. of Elements: 1;
MOC3023
Three-five Systems
TRIAC OUTPUT OPTOCOUPLER; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Maximum On State Current: .1 A; No. of Elements: 1; Maximum Isolation Voltage: 7500 V;
IL420-X001
Infineon Technologies
TRIAC OUTPUT OPTOCOUPLER; Terminal Finish: Tin/Lead (Sn/Pb); Minimum Operating Temperature: -55 Cel; Configuration: SINGLE; No. of Elements: 1; Additional Features: VDE APPROVED;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
MOC3063SM
TRIAC OUTPUT OPTOCOUPLER WITH ZERO CRSVR; Mounting Feature: SURFACE MOUNT; Terminal Finish: TIN; Minimum Operating Temperature: -40 Cel; Additional Features: UL RECOGNIZED; Maximum Operating Temperature: 100 Cel;
TRIAC OUTPUT OPTOCOUPLER WITH ZERO CRSVR; Mounting Feature: SURFACE MOUNT; Terminal Finish: Matte Tin (Sn); Nominal Input Trigger Current: 5 mA; Maximum Operating Temperature: 85 Cel; Peak Surge Current: 1 A;
The Onsemi MOC3063SM is a single TRIAC output optocoupler with 3V max on-state voltage and 1A peak surge current. It operates b/w -40 to 85°C, has a repetitive off-state voltage of 600V, and offers isolation up to 4170V. Ideal for triggering devices in applications requiring high-voltage protection and signal isolation.
MOC3063S-TA1
Lite-on Technology
TRIAC OUTPUT OPTOCOUPLER WITH ZERO CRSVR; Mounting Feature: SURFACE MOUNT; Terminal Finish: Tin (Sn); Maximum Forward Current: .05 A; Maximum Isolation Voltage: 5000 V; No. of Elements: 1;
MOC3052SM
TRIAC OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Terminal Finish: Matte Tin (Sn); No. of Elements: 1; Configuration: SINGLE; Maximum Input Trigger Current: .01 A;
TRIAC OUTPUT OPTOCOUPLER; Terminal Finish: TIN; Nominal Input Trigger Current: 10 mA; No. of Elements: 1; Maximum Forward Current: .05 A; JESD-609 Code: e3;
TRIAC OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Terminal Finish: TIN; Maximum Reverse Leakage Current: .0001 A; Maximum Operating Temperature: 85 Cel; No. of Elements: 1;
MOC3043M
TRIAC OUTPUT OPTOCOUPLER WITH ZERO CRSVR; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Matte Tin (Sn); Maximum Isolation Voltage: 7500 V; Maximum Operating Temperature: 85 Cel; Maximum On State Current: .1 A;
The Onsemi MOC3043M is a single optocoupler with 3V max on-state voltage and 1A peak surge current. Ideal for triggering devices, it operates b/w -40 to 85°C, offers 7500V isolation voltage, and has a max input trigger current of 0.005A.
MOC3023SM
TRIAC OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Terminal Finish: TIN; Maximum Reverse Leakage Current: .0001 A; Peak Surge Current: 1 A; Minimum Peak Off-state Voltage: 400 V;
TRIAC OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Terminal Finish: TIN; JESD-609 Code: e3; Configuration: SINGLE; Maximum On State Voltage: 3 V;
TRIAC OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Terminal Finish: Matte Tin (Sn); Minimum Peak Off-state Voltage: 400 V; Maximum Forward Current: .06 A; Minimum Operating Temperature: -40 Cel;
Texas Instruments
TRIAC OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Minimum Operating Temperature: -40 Cel; No. of Elements: 1; Repetitive Off-state Voltage (Peak): 400 V; Maximum Operating Temperature: 100 Cel;
TRIAC OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Terminal Finish: TIN; Maximum Reverse Leakage Current: .0001 A; Minimum Peak Off-state Voltage: 400 V; Maximum Operating Temperature: 85 Cel;
TRIAC OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Terminal Finish: TIN; Peak Surge Current: 1 A; Maximum Operating Temperature: 100 Cel; Maximum Reverse Leakage Current: .0001 A;
MOC3063SR2VM
TRIAC OUTPUT OPTOCOUPLER WITH ZERO CRSVR; Mounting Feature: SURFACE MOUNT; Terminal Finish: TIN; Minimum Operating Temperature: -40 Cel; Peak Surge Current: 1 A; Maximum Operating Temperature: 85 Cel;
TRIAC OUTPUT OPTOCOUPLER WITH ZERO CRSVR; Mounting Feature: SURFACE MOUNT; Terminal Finish: Matte Tin (Sn); Minimum Operating Temperature: -40 Cel; Additional Features: UL RECOGNIZED, VDE APPROVED; Minimum Peak Off-state Voltage: 600 V;
MOC3083SR2M
TRIAC OUTPUT OPTOCOUPLER WITH ZERO CRSVR; Mounting Feature: SURFACE MOUNT; Terminal Finish: Matte Tin (Sn); Maximum On State Voltage: 3 V; No. of Elements: 1; Maximum Reverse Leakage Current: .0001 A;
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