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.
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TE Connectivity's W51-A121B1-20 is a red illuminated SPDT rocker switch with 12.8mm width and 21.8mm height. It has a max AC contact current of 20A@125VAC and DC contact current of 20A@50VDC, suitable for panel mounting applications requiring latched switch action.
Median Price
$5.215
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Suppliers In-Stock
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1k+
Farnell
1+ parts
$3.680
100+ parts
$3.160
1k+ parts
$2.830
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Mouser Electronics
$6.150
$3.700
$3.200
RS Americas
$6.500
$5.920
$5.720
DigiKey
$6.560
$4.751
$3.111
TE Connectivity
$10.480
$9.280
$8.680
Master Electronics
$3.380
$2.920
$2.890
Verical
$4.279
$3.806
TTI
$4.280
$3.630
Electro Sonic
$3.480
$3.000
$2.970
IBS Electronics
$6.321
$4.381
$4.288
Bristol Electronics
Lakeland Logistics Inc
Jaybe Electronics
Elcom Components
Neutron USA
$18.480
Perfect Parts
The red color of the actuator makes it easily identifiable and adds a visually appealing element to the switch.
The red lamp illumination enhances visibility in low light conditions, making it convenient to locate and use the switch.
The wider body width provides a larger surface area for easy operation and installation of the rocker switch.
The SPDT switch function offers versatility and flexibility in controlling different circuits with a single switch.
The slim body height allows for a compact design, making it suitable for applications with limited space for mounting.
The high maximum operating temperature ensures reliable performance in various environmental conditions without risk of overheating.
The high maximum AC contact current rating allows for the switch to handle heavy electrical loads with ease.
The low minimum operating temperature ensures the switch can function effectively even in cold environments without any issues.
The rocker type actuator offers easy and ergonomic operation, making it convenient for users to toggle the switch.
The high maximum DC contact voltage rating enables the switch to be compatible with a wide range of DC electrical systems.
The rocker switch type is known for its durability, reliability, and ease of use, making it a popular choice for various applications.
The high AC maximum rating load capacity ensures the switch can handle heavy loads safely and efficiently.
The compact body length/diameter allows for easy installation and integration of the rocker switch into different systems.
The high DC maximum rating load capacity makes the switch suitable for handling DC circuits with higher power requirements.
The latched switch action ensures that the switch stays in its position until physically toggled, preventing accidental changes in the circuit.
The solder termination type offers a secure and reliable connection method for the switch, ensuring long-term performance and stability.
The high maximum AC contact voltage rating allows the switch to be used in applications with higher voltage requirements.
The panel mount feature enables easy and secure installation of the rocker switch onto various panels or surfaces, ensuring stability and reliability.
Rocker Switches W51-A121B1-20 attributes and parameters. Explore more Rocker Switches devices from TE Connectivity
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W51-A121B1-20 Switches trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.50.90.65
SB
PCN Design/Specification - y-1423673-y product improvement 10/JUN/2020
TE Connectivity is a global leader in the design and production of innovative connectors and sensors for multiple industries, such as automotive, industrial equipment, data communication systems, aerospace, defense, medical, oil and gas, consumer electronics and energy. It is an American-Swiss domiciled firm that has been providing high-quality products to its customers since 1907.
CEO
Terrence R. Curtin
Executive VP, CFO
Heath A. Mitts
Senior VP, Principal Accounting Officer
Robert J. Ott
LL4148
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;
SS14
Hitano Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Rfe International
USBLC6-2SC6
STMicroelectronics
USBLC6-2SC6 by STMicroelectronics is a unidirectional transient voltage suppressor diode with a breakdown voltage of 6V. It has a max clamping voltage of 17V and operates in temperatures ranging from -40 to 125°C. This device, with dual terminals and matte tin finish, is ideal for protecting sensitive electronics from voltage spikes in various applications.
1N4148
First Components International
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Operating Temperature: 200 Cel; Config: SINGLE; No. of Elements: 1;
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%.
LM2931AZ-5.0G
Onsemi
LM2931AZ-5.0G by Onsemi is a fixed positive single output LDO regulator with a nominal output voltage of 5V and max output current of 0.1A. It has a max dropout voltage of 0.6V, making it suitable for applications requiring stable power supply in temperature-sensitive environments up to 125°C. The package style is cylindrical with wire terminals, ideal for rail packing methods in various electronic devices.
BAV99
Zetex Plc
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Itt Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
STM32H743BIT6
STM32H743BIT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, 208 terminals, and 1085440 bytes of RAM. It features 2 DAC channels, 32 ADC channels, and operates at a max clock frequency of 48 MHz. Ideal for industrial applications requiring high-speed processing and extensive peripheral connectivity.
Vishay Telefunken
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM358N
Taejin Technology
OPERATIONAL AMPLIFIER; Temperature Grade: AUTOMOTIVE; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
TM4C1294NCPDTI3
Texas Instruments
TM4C1294NCPDTI3 by Texas Instruments is a 32-bit microcontroller with Cortex-M4F CPU family. It features 8KB data EEPROM, 20-Ch 12-Bit ADC channels, and 32 DMA channels. Ideal for industrial applications requiring high-speed processing, it offers connectivity options like CAN, Ethernet, I2C, SPI, UART, and USB.
SMBJ18CA
Daco Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WT
Diotec Semiconductor Ag
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LAN8720A-CP-TR
Standard Microsystems
ETHERNET TRANSCEIVER; Temperature Grade: OTHER; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
M39029/58360
Souriau-sunbank Connection Technologies
Souriau-sunbank's M39029/58360 is a MIL-Spec backshell with CRIMP contact type and male gender. It conforms to MIL-DTL-38999 standards, mates with M39029/56348 contacts, and requires M81969/14-01 insertion tools. Ideal for military applications requiring reliable crimp terminals.
2N7002
Teledyne Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JESD-30 Code: R-PDSO-G3; Maximum Operating Temperature: 150 Cel; No. of Terminals: 3;
2N2222A
Ksl Microdevices
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
ABS10-32.768KHZ-T
Abracon
Abracon's ABS10-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 122% stability, and 70000 ohm series resistance. Ideal for applications requiring precise timing at 0.032768 MHz, such as IoT devices and wearables due to its compact size and low power consumption.
7201J1V4QE2
Itt Cannon
The ITT Cannon 7201J1V4QE2 is a black rocker switch with stainless steel housing. Featuring DPDT switch function, it has an electrical life of 100k cycles and insulation resistance of 1G ohm. Ideal for applications requiring a max AC contact current of 2A at 250VAC, operating temperatures ranging from -30 to 85°C, and solder termination type.
CR102J4GS215QF7
CR102J4GS215QF7 by ITT Cannon is a SPST rocker switch with IP65 sealing, 10000 cycles electrical life, and green lamp illumination. Ideal for applications requiring a latched switch action, it has a max AC contact current of 16A@125VAC and operates in temperatures ranging from -20°C to 85°C.
AR3S05GY30/306N0V200
C & K Components
ROCKER SWITCH;
R711FE1-SXXX2BDGNW
E-switch
R711FE1-SXXX2BDGNW by E-switch is a black LED illuminated SPST rocker switch with 10000 cycles electrical life. It has a max DC contact voltage of 30V and a max DC contact current of 16A, making it ideal for panel mount applications requiring ON-OFF functionality.
V8DAS001-6ZZXX-1XX-XPC1
Carling Technologies
Carling Technologies V8DAS001-6ZZXX-1XX-XPC1 is a SPDT rocker switch with 20A@12VDC rating. With insulation resistance of 50MΩ, it operates b/w -40 to 85°C. Ideal for panel mounting applications requiring momentary ON-OFF-ON function.
A8GS-C1110
Omron
Rocker Switches; JESD-609 Code: e4; Terminal Finish: Silver (Ag);
V1B2B801-1KZ00-000
Carling Technologies V1B2B801-1KZ00-000 is a SPST rocker switch with 15A@28VDC rating. It features LAMP illumination, 50000000 ohm insulation resistance, and -40 to 85 °C operating temperature range. Ideal for panel mounting applications requiring ON-OFF functionality with quick connect termination.
V1DAXTNC-PZDHX-3XX-XVN1
V1DAXTNC-PZDHX-3XX-XVN1 by Carling Technologies is a SPST rocker switch with LED illumination. With insulation resistance of 50MΩ, it can handle up to 20A@12VDC. Ideal for panel mounting applications in environments ranging from -40°C to 85°C.
A8A-203-D
A8A-212-A
R711FE1-SXXX1BDGNW
Rocker Switches;
CRE24F2HBBNE
Zf Friedrichshafen Ag
ROCKER SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): CURVE-ONE COLOR; Maximum Operating Temperature: 85 Cel; Body Height: 18.4 mm;
A8A-216-1A
VMB1S00C-GZC00-000
Carling Technologies VMB1S00C-GZC00-000 is a DPDT rocker switch with 15A@24VDC rating. Insulation resistance of 50MOhm, dielectric withstand voltage of 1500VRMS, and quick connect termination make it ideal for panel mounting applications in various industries.
V1D2GHNB-AAC00-000
Carling Technologies V1D2GHNB-AAC00-000 is a black LED illuminated SPST rocker switch with 10A@250VAC AC max rating. With molded sealing, it has 50000000 ohm insulation resistance and operates b/w -40 to 85 °C. Ideal for panel mount applications requiring ON-OFF functionality with quick connect termination.
TIGM51-1C-WH-FW
V1D1S00B-CZHXX-XCC1
Carling Technologies V1D1S00B-CZHXX-XCC1 is a SPST rocker switch with 20A@12VDC rating. With insulation resistance of 50MΩ, it operates b/w -40 to 85°C. Ideal for panel mounting applications requiring ON-OFF function at up to 12VDC.
A8A-226-A
RR3405ALGRN
RR3405ALGRN by E-switch is a SPST rocker switch with 100000000 ohm insulation resistance and 6A@250VAC max AC contact current. Its 26° actuator angle makes it ideal for ON-OFF applications, featuring a solder lug termination type for panel mounting.
2500G11E
Eaton Corporation
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