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
Alps Alpine RK09L12B0A1V is a logarithmic potentiometer with 10000 ohm resistance, 20% tolerance, and 10 V operating voltage. It is used in PCB mount applications for audio equipment due to its shaft actuator type and 300° rotation angle.
Median Price
$3.160
Lifecycle Status
Suppliers In-Stock
6
In-Stock Inventory
1k+
Chip1Stop
1+ parts
100+ parts
$2.140
1k+ parts
$1.880
10k+ parts
-
DigiKey
$3.170
$2.194
$1.817
$1.591
Verical
$1.961
Nova Conductors
$1.066
Vyrian
ACDS - Activité Composants Distribution Service
Aztec Data Supply Inc.
$0.310
Corohmni
$0.489
Argo Parts USA
Continental Prestige Electronics
$1.045
Netroflash
CoreStaff
$3.017
$1.175
$1.135
HORIZONTAL - Allows for easy adjustment and control.
LOGARITHMIC - Provides smooth and precise resistance changes.
Rectangular - Offers a compact and durable design.
TRAY - Facilitates organized storage and handling.
10000 ohm - Ideal for a wide range of applications.
6 - Allows for versatility in circuit connections.
PCB Mount - Easy to integrate into circuit boards.
FLAT - Ensures secure and stable connections.
70 °C - Can withstand high temperature environments.
10 °C - Suitable for use in cold conditions.
3.5 mm - Provides flexibility in installation options.
11.35 mm - Offers a compact and space-saving design.
POTENTIOMETER - Allows for variable resistance adjustments.
SHAFT - Allows for precise and tactile adjustments.
10 V - Compatible with a variety of power sources.
20 % - Provides a good margin for error in resistance values.
10.7 mm - Fits well in compact electronic setups.
THROUGH HOLE MOUNT - Ensures secure and stable mounting.
0.05 W - Suitable for low power applications.
9.15 mm - Space-efficient for crowded circuit layouts.
2 - Allows for multiple units to be connected together.
300° - Provides a wide range of adjustment options.
Variable Resistors RK09L12B0A1V attributes and parameters. Explore more Variable Resistors devices from Alps Alpine
Orientation (Actuator):
Type (Actuator):
Additional Features:
Construction:
Ganging Number:
Length (Lead):
Mounting Type:
No. of Terminals:
No. of Turns:
Maximum Operating Temperature:
Minimum Operating Temperature:
Height (Package):
Length (Package):
Package Style (Meter):
Width (Package):
Packing Method:
Rated Power Dissipation (P):
Resistance:
Law Of Resistance:
Resistor Type:
Angle Of Rotation:
Terminal Shape:
Tolerance:
Operating Voltage:
RK09L12B0A1V Resistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
On January 1, 2019, Alps Electric Co., Ltd. and Alpine Electronics, Inc. integrated their businesses and started out afresh as Alps Alpine Co., Ltd. Alps Alpine will steadily bring about synergies by drawing on the two companies' advantages in core devices, system design and software development. In the automotive industry, a once-in-a-century major transformation is currently underway, as demonstrated by the "CASE" trends — connected cars, autonomous driving, sharing and services, and electric vehicles. Meanwhile, a wide variety of business models involving diverse customers are expected to emerge in EHI markets — energy, healthcare and industry. This time of turbulent change and transition sets the scene as Alps Alpine moves to become an "Innovative T-shaped Company" by combining the strengths of both companies, specifically the vertical "I" of the Alps, furthering possibilities with core devices to enhance product competitiveness, and the horizontal "I" of Alpine, integrating a broad range of devices and technologies as systems. As an Innovative T-shaped Company, we will endeavor to deliver new value to customers, meeting diverse needs with a lineup of electronic components to systems for not only the automotive market, but also mobile devices and consumer electronics, as well as new sectors such as energy, healthcare and industry.
LM2931AZ-5.0RPG
Onsemi
LM2931AZ-5.0RPG by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V nominal output voltage and 0.1A max output current. It features a low dropout voltage of 0.6V, making it suitable for applications requiring stable power supply in temperature range from -40 to 125°C. The package style is cylindrical with matte tin terminal finish, ideal for various electronic devices needing precise voltage regulation.
2N2222A
Semitronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LM2931Z-5.0RPG
LM2931Z-5.0RPG by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V Nominal Output Voltage, 0.1A Max Output Current, and 6V Min Input Voltage. It operates in temperatures ranging from -40 to 125 °C and is ideal for applications requiring stable voltage regulation in electronic circuits.
STM32H750VBT6
STMicroelectronics
STM32H750VBT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, offering 20 timers and 16 DMA channels. It features 2 DAC and 16 ADC channels, suitable for industrial applications requiring high-speed processing up to 48 MHz. With extensive connectivity options like FDCAN, Ethernet, and USB, it provides versatile solutions in a compact package.
LL4148
Excel (Suzhou) Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
2N7002
Micro Commercial Components
Small Signal Field-Effect Transistors; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Transistor Application: SWITCHING; Maximum Drain Current (ID): .34 A; Package Style (Meter): SMALL OUTLINE;
Bytesonic Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Terminal Position: DUAL; Minimum Operating Temperature: -55 Cel;
TCA6424ARGJR
Texas Instruments
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.
TDK
RECTIFIER DIODE; Surface Mount: YES; Terminal Finish: Tin/Lead (Sn/Pb); No. of Phases: 1; No. of Elements: 1; Maximum Output Current: .2 A;
MMBT3904-7-F
Diodes Incorporated
Diodes Inc. MMBT3904-7-F is a NPN BJT transistor for switching applications. Features include VCEsat of 0.3V, hFE of 30, and IC of 0.2A. With a max operating temp of 150°C, it's ideal for small outline SMT designs in automotive electronics.
M24308/2-1F
Positronic Industries
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Additional Features: STANDARD: MIL-DTL-24308, POLARIZED; Body or Shell Style: RECEPTACLE;
BAV99
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Hi-tron Semiconductor
1N5819HW-7-F
SPC TECHNOLOGY/ MULTICOMP
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
ATMEGA328P-AU
Microchip Technology
ATMEGA328P-AU by Microchip: 8-bit RISC CPU, 20 MHz clock, 23 I/O lines. Ideal for industrial applications with SPI, TWI, USART connectivity and low power mode. Features include 2048 RAM bytes, 1024 EEPROM size, and 16384 ROM words.
Itt Semiconductor
LM555CM
Harris Semiconductor
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LAN8720AI-CP-TR
Standard Microsystems
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
AT90CAN128-16AUR
AT90CAN128-16AUR by Microchip: 16 MHz clock, 8-bit data RAM, and 131072 ROM words. Ideal for industrial applications with CAN, SPI, TWI connectivity and low power mode. Contains 4 timers, 8 ADC channels, and supports up to 10-bit analog to digital conversion.
LM358AN
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
PVZ3A104C01R00
Murata Manufacturing
Murata Manufacturing's PVZ3A104C01R00 is a 100k ohm linear trimmer resistor with 30% tolerance. It operates at -25 to 85°C, has a power dissipation of 0.1W, and can handle up to 50V. Ideal for applications requiring precise resistance adjustments in compact SMT designs.
RSSD50373A4700JB01
Vishay Intertechnology
Vishay Intertechnology's RSSD50373A4700JB01 is a 470 ohm linear wire wound potentiometer with 3 terminals. It has a rated power dissipation of 600W, operates b/w -55 to 450°C, and features a tubular package for chassis mounting applications.
67WR10KLF
Tt Electronics Plc
67WR10KLF by Tt Electronics Plc is a CERMET variable resistor with 20 turns, linear resistance law, and 85°C rated temperature. It is used in PCB mount applications for adjusting voltage with a tolerance of 10% and max operating temperature of 125°C.
RK097111TD2M
Alps Electric
POTENTIOMETER; Mounting Type: THROUGH HOLE MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .05 W; Maximum Operating Temperature: 70 Cel; Tolerance: 20 %;
3296P-1-100LF
Bourns
Bourns 3296P-1-100LF is a 10 ohm, 25-turn linear cermet trimmer resistor with a tolerance of 10%. It operates b/w -55°C to 125°C and can handle up to 300V. Ideal for applications requiring precise resistance adjustments in electronic circuits.
3400S-1-502L
Bourns 3400S-1-502L is a linear potentiometer with 5000 ohm resistance, 3% tolerance, and 5W power dissipation. It has a circular package, gold over nickel terminals, and operates b/w 1°C to 125°C. Ideal for chassis mount applications requiring precise resistance adjustments in horizontal orientation.
409HA104M
TE Connectivity
TE Connectivity's 409HA104M is a CERMET variable resistor with 100k ohm resistance, linear law, and 20% tolerance. It has a max operating temperature of 100°C and is used in PCB mount applications for voltage control with a rated power dissipation of 0.5W.
27ESA103MMF50N
TE Connectivity's 27ESA103MMF50N is a linear carbon film potentiometer with 10000 ohm resistance, 20% tolerance, and 0.4 W power dissipation. It features a circular package, horizontal actuator orientation, and shaft actuator type. Ideal for applications requiring precise resistance adjustments in electronic circuits.
RT025AS1001KB
RT025AS1001KB by Vishay Intertechnology is a 1000 ohm linear wire wound potentiometer with 25W power dissipation. It has a temperature range of -55 to 320 °C and operates at 158V. Ideal for panel mount applications requiring precise resistance adjustment in electronic circuits.
D50K50KE
Ohmite Manufacturing
The Ohmite D50K50KE is a 50000 ohm wire wound potentiometer with linear resistance law. It has a rated power of 50W, operates at temperatures up to 350 °C, and features a slide actuator for precise adjustments. Ideal for chassis mount applications requiring high voltage tolerance and reliable performance.
3299X-1-502LF
The Bourns 3299X-1-502LF is a linear trimmer pot with a resistance of 5000 ohm and a tolerance of 10%. It is commonly used in PCB mount applications where precise resistance adjustments are required.
TC73W-1-203E
Bourns TC73W-1-203E is a SMT POTENTIOMETER with 20000 ohm resistance, 30% tolerance, and 50V operating voltage. Ideal for applications requiring precise resistance adjustments in compact spaces due to its small package size (3.6mm x 3.1mm x 1.8mm) and wide 260° angle of rotation capability.
3296Y-1-103LF
Bourns 3296Y-1-103LF is a 10000 ohm, 25-turn linear cermet trimmer resistor with 10% tolerance. Operating voltage of 300V and rated power dissipation of 0.5W. Ideal for precision circuit adjustments in electronic devices due to its multi-turn construction and vertical actuator orientation.
RV4NAYSD102A
Eti Systems
POTENTIOMETER; Mounting Type: CHASSIS MOUNT; Resistance: 1000 ohm; Rated Power Dissipation (P): 2 W; Maximum Operating Temperature: 125 Cel; Tolerance: 10 %;
T93YA201KT20
Vishay Intertechnology's T93YA201KT20 is a 200 ohm linear trimmer resistor with 21 turns, rated for temperatures b/w -55 to 125 °C. Ideal for PCB mounting applications, it features a CERMET technology and operates at a max voltage of 10 V with a power dissipation of 0.5 W.
RV4NAYSD501A
Honeywell Sensing And Control
RV4NAYSD501A by Honeywell is a 500 ohm linear potentiometer with conductive plastic technology. It has a rated power dissipation of 2W and operates b/w -55 to 120°C. Ideal for panel mounting, this circular package resistor with a shaft actuator is commonly used in applications requiring precise resistance adjustments.
53C350
The Honeywell Sensing And Control 53C350 is a circular package potentiometer with a linear resistance of 50 ohm. It has a max operating temperature of 120°C and is suitable for panel mounting applications.
RRS50RE
Ohmite Manufacturing's RRS50RE is a 50 ohm, 500W wire wound potentiometer with linear resistance law. Featuring a circular package with panel mount style, it has a shaft actuator and 10% tolerance. Ideal for applications requiring precise resistance adjustment in horizontal orientation.
3386P-1-503LF
Bourns 3386P-1-503LF is a CERMET trimmer resistor with 50000 ohm resistance, linear law, and 10% tolerance. Ideal for PCB mounting applications, it has a max operating temperature of 125°C and min of -55°C. Its screw actuator allows for precise adjustments in various electronic circuits.
3386H-1-102LF
Bourns 3386H-1-102LF is a linear trimmer resistor with 1000 ohm resistance, 10% tolerance, and 0.5 W power dissipation. It has a temperature coefficient of 100 ppm/°C and operates b/w -55 to 125 °C. Ideal for PCB mounting applications requiring precise resistance adjustments.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
RK09L1140A2U
Alps Alpine
Alps Alpine RK097111TD2M is a linear potentiometer with 10000 ohm resistance, 20% tolerance, and 300° rotation angle. It is used in PCB mount applications for voltage control, with a rated power dissipation of 0.05 W. The rectangular package has dimensions of 20.75mm x 9.5mm x 11.35mm (LxWxH).
RK09K12C0A19
RK09K12C0A19 by Alps Alpine is a linear potentiometer with 1 turn and a resistance of 10k ohm. It is commonly used in PCB mount applications, with a vertical actuator orientation and a max operating temperature of 70°C.
POTENTIOMETER; Resistance: 10000 ohm; Maximum Operating Temperature: 70 Cel; Tolerance: 30 %; Size Code: 4339; Minimum Operating Temperature: -10 Cel;
RK09L1140A66
POTENTIOMETER; Resistance: 10000 ohm; Maximum Operating Temperature: 70 Cel; Tolerance: 20 %; Length (Package): 12.1 mm; Construction: Vertical Mount;
POTENTIOMETER; Resistance: 10000 ohm; Maximum Operating Temperature: 70 Cel; Tolerance: 20 %; Size Code: 4845; Minimum Operating Temperature: -10 Cel;
RK09K113004U
POTENTIOMETER; Resistance: 10000 ohm; Maximum Operating Temperature: 70 Cel; Tolerance: 20 %; Orientation (Actuator): VERTICAL; Width (Package): 9.8 mm;
RK09L12B0A31
POTENTIOMETER; Resistance: 50000 ohm; Maximum Operating Temperature: 70 Cel; Tolerance: 20 %; Width (Package): 12.4 mm; Angle Of Rotation: 300 deg;
POTENTIOMETER; Resistance: 50000 ohm; Maximum Operating Temperature: 70 Cel; Tolerance: 20 %; Packing Method: Tray; Angle Of Rotation: 300 deg;
RK09L12B0A4S
RK09D1130C2P
POTENTIOMETER; Resistance: 10000 ohm; Maximum Operating Temperature: 70 Cel; Tolerance: 20 %; Height (Package): 6.8 mm; Construction: Vertical Mount;
RK09L112003P
POTENTIOMETER; Resistance: 20000 ohm; Maximum Operating Temperature: 70 Cel; Tolerance: 20 %; Orientation (Actuator): HORIZONTAL; Package Style (Meter): Snap-in;
POTENTIOMETER; Resistance: 20000 ohm; Maximum Operating Temperature: 70 Cel; Tolerance: 20 %; Packing Method: Tray; Width (Package): 10.7 mm;
RK09L122002H
RK09L122002L
RK09L12B0-F15-C0-A103
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