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
THREE TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
Median Price
$18.800
Lifecycle Status
Suppliers In-Stock
9
In-Stock Inventory
1k+
Chip1Stop
1+ parts
100+ parts
-
1k+ parts
10k+ parts
Arrow
$20.030
Verical
$9.820
Nova Conductors
$12.516
Digiode
$17.097
Vyrian
Anansix
Chip Stock
Cyclops Electronics Ltd
Ampacity Inc.
$8.350
Semicontronic
$8.141
$8.100
Parana Technologies
$8.602
$8.000
IDEA Electronic Components Group
$9.250
$8.788
Modulus Dynamics
$11.002
Corohmni
Advanced Electronics
$11.332
$10.765
Vigor
$13.500
DigiPath Technology Company
$14.430
$13.853
Continental Prestige Electronics
$15.080
$11.710
Corphita
$16.197
Aztec Data Supply Inc.
$17.029
MARBEL Systems
$17.340
Texas Native Microelectronics
$19.931
$18.536
$17.539
Kenton Components
$23.917
$21.047
Microchip USA
$50.290
$49.570
$49.210
$48.850
Qasali Group International
$53.814
Lixinc
Authorized Procurement Solutions
Futuretech Components
Robosynatics
$10.782
$10.562
Lucentia Tech
Argo Parts USA
GreenTree Electronics
Netroflash
$12.265
$11.890
$11.640
A-Z Elektronik GmbH
Perfect Parts
Voltage References LT1461AIS8-3.3#PBF attributes and parameters. Explore more Voltage References devices from Linear Technology
Other IC type:
JESD-30 Code:
JESD-609 Code:
Length:
Moisture Sensitivity Level (MSL):
No. of Functions:
No. of Outputs:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Maximum Output Voltage:
Minimum Output Voltage:
Nominal Output Voltage:
Package Body Material:
Package Code:
Package Equivalence Code:
Package Shape:
Package Style (Meter):
Peak Reflow Temperature (C):
Qualification:
Maximum Seated Height:
Sub-Category:
Maximum Supply Voltage (Vsup):
Minimum Supply Voltage (Vsup):
Nominal Supply Voltage (Vsup):
Surface Mount:
Technology:
Max Voltage Temp Coef:
Temperature Grade:
Terminal Finish:
Terminal Form:
Terminal Pitch:
Terminal Position:
Maximum Time At Peak Reflow Temperature (s):
Trim or Adjustable Output (V):
Maximum Voltage Tolerance:
Width (mm):
LT1461AIS8-3.3#PBF Other Function Semiconductors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
PCN Design/Specification - Mult Dev Mark Chg 5/Jul/2021 Mult Dev 12/Oct/2022
U.S. In July 2016, Analog Devices agreed to buy Linear Technology for 14.8 billion dollars. This acquisition was finalized on March 10, 2017. The Linear name survives as the "Power by Linear" brand that is used to market the combined power management portfolios of Linear Technology and Analog Devices.
AMS1117-3.3
Advanced Monolithic Systems
AMS1117-3.3 by Advanced Monolithic Systems is a fixed positive single output LDO regulator with 1A max output current, 3% voltage tolerance, and 1.3V dropout voltage. Ideal for applications requiring stable 3.3V supply in compact designs due to its small outline package and excellent load regulation of 0.025%.
ULN2803A
Onsemi
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; Package Body Material: PLASTIC/EPOXY; Qualification: Not Qualified;
FDD5614P
FDD5614P by Onsemi is a P-CHANNEL Power FET with 60V DS Breakdown Voltage, ideal for SWITCHING applications. It features 45A IDM and 0.1 ohm RDS(ON), operating in ENHANCEMENT MODE at up to 175°C. The PLASTIC/EPOXY package with GULL WING terminals ensures efficient heat dissipation and reliable performance.
LM7805CT
Integrated Circuit Technology
Other Regulators; No. of Terminals: 3; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %; Terminal Position: SINGLE; Operating Temperature (TJ-Min): 0 Cel;
FDV303N
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Transistor Application: SWITCHING; JESD-609 Code: e3;
BSS138
Diodes Incorporated
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Minimum DS Breakdown Voltage: 50 V; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
OPA2277UA
Texas Instruments
OPA2277UA by Texas Instruments is a dual operational amplifier with low-offset voltage of 100 uV and micropower consumption of 1.65 mA. Ideal for industrial applications, it offers high common mode rejection ratio of 140 dB and unity gain bandwidth of 1000 kHz in a small outline package.
General Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Minimum DS Breakdown Voltage: 50 V; Qualification: Not Qualified;
SMBJ18CA
Shenzhen Socay Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
M85049/85-08W02
Amphenol
CIRCULAR CONN ACCESSORY; Shell Sizes: 8; 9; IEC Conformity: NO; MIL-Connector Accessory Name: BAND LOCK ADAPTER; MIL Conformity: YES; DIN Conformity: NO;
BSS138DW-7-F
BSS138DW-7-F by Diodes Incorporated is a N-channel small signal FET with a min DS breakdown voltage of 50V. It is used for switching applications and operates in enhancement mode. This surface mount transistor has a max drain current of 0.2A and a max power dissipation of 0.2W.
1N4148WT
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
M39029/56-351
Itt Cannon
CONNECTOR ACCESSORY; MIL Conformity: YES; Terminal Type: WIRE; IEC Conformity: NO; Alternate Contact Sources: ITT CANNON; Associated Military - Specifications: MIL-C-38999;
2N2222A
Infineon Technologies
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LM317LMX/NOPB
LM317LMX/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max input-output voltage differential of 40V. It operates in temperatures ranging from -40°C to 125°C and has a max output current of 0.1A, making it suitable for various applications requiring precise voltage regulation.
BAV99
Kec
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM555CN
Rca Solid State
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
LM317T/NOPB
National Semiconductor
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; JESD-609 Code: e3; Package Shape: RECTANGULAR;
Lite-on Technology
RECTIFIER DIODE; Surface Mount: YES; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Operating Temperature: 175 Cel; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us;
ROHM
LM4040BIM3-2.5+
Analog Devices
LM4040BIM3-2.5+ by Analog Devices is a 3-terminal voltage reference with a nominal output of 2.5V, ±0.2% max voltage tolerance, and 100 ppm/°C max voltage temp coef. Ideal for industrial applications requiring precise voltage regulation in a compact package with dual terminal position and small outline design.
REF5040AIDRG4
REF5040AIDRG4 by Texas Instruments is a voltage reference with adjustable output (V) ranging from 4.0919 to 4.1 V, suitable for automotive applications. It operates b/w -40 to 125 °C and has a max voltage tolerance of 0.1%. This small outline package with dual terminals is surface mountable and ideal for precision voltage regulation in various electronic systems.
REF3312AIDBZT
REF3312AIDBZT by Texas Instruments is a 3-terminal voltage reference with a nominal output voltage of 1.25V and max supply voltage of 5.5V. It operates in automotive-grade temperatures from -40 to 125°C, making it suitable for precision voltage regulation in various electronic applications. With a small outline and thin profile package style, this device is ideal for surface-mount designs requiring high accuracy and stability.
ADR3450ARJZ-R7
Analog Devices' ADR3450ARJZ-R7 is a 3-terminal voltage reference with output voltage range of 4.995V to 5.005V, suitable for automotive applications. It operates b/w -40°C to 125°C, with a max voltage tolerance of 0.1%. The package style is small outline, low profile, shrink pitch, making it ideal for space-constrained designs.
TL431AQDBZR,215
Nexperia
THREE TERMINAL VOLTAGE REFERENCE; Temperature Grade: AUTOMOTIVE; No. of Terminals: 3; Package Code: TSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LM4041CIM3-1.2/NOPB
TWO TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 3; Package Code: TSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
REF3012AIDBZT
REF3012AIDBZT by Texas Instruments is a 3-terminal voltage reference with a nominal output voltage of 1.25V, suitable for automotive applications. It operates in temperatures ranging from -40 to 125°C and has a max supply voltage of 5.5V, making it ideal for precision voltage regulation in compact electronic devices.
REF5030AQDRQ1
REF5030AQDRQ1 by Texas Instruments is a voltage reference with 3V nominal output, 2.7-18V supply range, and 8 ppm/°C max voltage temp coef. Ideal for automotive applications due to AEC-Q100 screening, it offers adjustable output and operates b/w -40 to 125 °C. This small outline package features gull wing terminals and is suitable for precision voltage regulation in automotive electronics.
AD580JH
AD580JH by Analog Devices is a 3-terminal voltage reference with a nominal output voltage of 2.5V, suitable for applications requiring precise voltage regulation. It operates within a temperature range of -55 to 125°C and has a max supply current of 1.5mA, making it ideal for military-grade electronics. The package style is cylindrical with a metal body and gold terminal finish.
LM4040AIM3-2.5+T
LM4040AIM3-2.5+T by Analog Devices is a 3-terminal voltage reference with output voltage of 2.5V, temp coef of 100 ppm/°C, and max voltage tolerance of 0.1%. Ideal for industrial applications requiring precise voltage regulation in compact spaces due to its small outline, thin profile package style.
REF195ESZ-REEL
Analog Devices' REF195ESZ-REEL is a voltage reference with 5V nominal output, 0.04% max voltage tolerance, and 5ppm/°C max voltage temp coef. It is ideal for industrial applications requiring precise voltage regulation in a compact small outline package.
REF3140AIDBZT
REF3140AIDBZT by Texas Instruments is a voltage reference IC with 3 terminals, offering a nominal output voltage of 4.096 V and a max output current of 0.01 A. It operates in automotive-grade temperatures from -40 to 125 °C, making it suitable for precision voltage regulation in automotive applications.
TL431ILP
Calogic
THREE TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 3; Package Code: TO-92; Package Shape: ROUND; Surface Mount: NO;
LTC6655CHLS8-2.5#PBF
Linear Technology
THREE TERMINAL VOLTAGE REFERENCE; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: HQCCN; Package Shape: SQUARE; Surface Mount: YES;
LT1461AIS8-5#PBF
LM336Z25X
TWO TERMINAL VOLTAGE REFERENCE; Temperature Grade: COMMERCIAL; No. of Terminals: 3; Package Shape: ROUND; Surface Mount: NO; Maximum Operating Temperature: 70 Cel;
REF3440IDBVR
REF3440IDBVR by Texas Instruments is a small outline voltage reference with a min output voltage of 4.093952 V and max operating temperature of 125°C. Ideal for automotive applications, this CMOS technology-based device has a low profile design and dual terminal position, making it suitable for compact electronic systems.
TL431IDBVTG4
TL431IDBVTG4 by Texas Instruments is a voltage reference IC with adjustable output (2.44-2.55V). It operates in industrial temperature range (-40 to 85°C) and has a max output current of 0.1A. Widely used for precision voltage regulation in various electronic applications.
REF3030AIDBZR
Xilinx
THREE TERMINAL VOLTAGE REFERENCE; Temperature Grade: AUTOMOTIVE; No. of Terminals: 3; Package Code: TSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
TLV431ACDBZR
TLV431ACDBZR by Texas Instruments is a voltage reference IC with adjustable output (1.228-1.252V). It operates b/w 0-70°C, suitable for commercial applications. With a small outline package and surface-mount capability, it's ideal for compact electronic designs.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
LT1461AIS8-2.5#PBF
LT1461AIS8-2.5#PBF by Analog Devices is a 3-terminal voltage reference with a nominal output voltage of 2.5V, suitable for industrial applications. It operates b/w -40 to 85°C, with a low temp coefficient of 3 ppm/°C and can handle supply voltages from 3V to 20V. This small outline package features surface mount technology and matte tin terminal finish.
LT1461AIS8-3.3#PBF
LT1461AIS8-3.3#PBF by Analog Devices is a voltage reference IC with a nominal output voltage of 3.3V. It operates in an industrial temperature range of -40 to 85°C and has a max supply voltage of 20V. This small outline package with gull wing terminals is suitable for various applications requiring precise voltage references.
LT1461CIS8-3.3#PBF
LT1461CIS8-3.3#PBF by Analog Devices is a 3-terminal voltage reference with a nominal output of 3.3V, suitable for industrial applications. It operates b/w -40 to 85°C, with a max supply voltage of 20V and temp coef of 12 ppm/°C. The package is small outline, surface mountable in plastic/epoxy material, making it versatile for various electronic designs.
LT1461AIS8-5#PBF by Analog Devices is a voltage reference with 5V output, 7.5V supply, and 3ppm/°C max voltage temp coef. Ideal for industrial applications, it features a small outline package with dual terminals and operates b/w -40 to 85 °C.
LT1461CIS8-5#PBF
LT1461CIS8-5#PBF by Analog Devices is a voltage reference with 5V output, 7.5V supply, and 12 ppm/°C temp coef. Ideal for industrial applications due to -40 to 85 °C operating range. Its small outline package makes it suitable for surface mount designs in various electronic systems.
LT1461CCS8-3.3#PBF
THREE TERMINAL VOLTAGE REFERENCE; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LT1461CCS8-3.3#PBF by Analog Devices is a 3-terminal voltage reference with a nominal output voltage of 3.3V, suitable for applications requiring stable voltage supply. It operates b/w -40 to +70°C, with a max supply voltage of 20V and low temp coefficient of 12 ppm/°C. This small outline package has dual terminals and matte tin finish, making it ideal for surface mount designs in commercial temperature grade environments.
LT1461DHS8-5#PBF
THREE TERMINAL VOLTAGE REFERENCE; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LT1461CCS8-3.3#TRPBF
LT1461CCS8-3.3#TRPBF by Analog Devices is a 3-terminal voltage reference with output voltage of 3.3V, suitable for applications requiring stable voltage supply. It operates b/w -40 to +70°C, has a small outline package style, and can handle supply voltages from 3.8V to 20V efficiently.
LT1461CIS8-3.3#TRPBF
LT1461CIS8-3.3#TRPBF by Analog Devices is a 3-terminal voltage reference with output voltage of 3.3V, suitable for industrial applications. It operates b/w -40 to 85°C, with low temp coefficient of 12 ppm/°C and small outline package style.
LT1461ACS8-2.5#PBF
LT1461AIS8-3#TR
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