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
$5.395
Lifecycle Status
Suppliers In-Stock
14
In-Stock Inventory
1k+
Farnell
1+ parts
$3.680
100+ parts
$3.160
1k+ parts
$2.830
10k+ parts
-
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
$4.640
$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
AT90CAN128-16AU
Microchip Technology
AT90CAN128-16AU by Microchip Technology is a microcontroller with 8-bit data RAM and 16-bit address bus width. It operates at a max clock frequency of 16 MHz, making it suitable for industrial applications requiring low power mode and connectivity options like CAN, SPI, and USART. With 53 I/O lines and 8-channel 10-bit ADCs, this microcontroller offers versatile peripheral support for various embedded systems.
LM358MX
Fairchild Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
1N4148WS
Cheng-yi Electronic
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
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;
SS14
Changzhou Starsea Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
BSS138
Zetex Plc
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Style (Meter): SMALL OUTLINE; Maximum Operating Temperature: 150 Cel;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .6 A; No. of Elements: 1;
BAV99W-7-F
Diodes Incorporated
Diodes Incorporated BAV99W-7-F is a fast recovery rectifier diode with 2 elements in series connected, center tap configuration. It has a max reverse recovery time of 0.004 us and can handle a max output current of 0.15 A. Ideal for applications requiring fast switching capabilities and operating temperatures ranging from -65 to 150 °C.
Daco Semiconductor
LM358M
LL4148
Continental Device India
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
DS18B20U
Dallas Semiconductor
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Minimum Operating Temperature: -55 Cel; Package Equivalence Code: TSSOP8,.19;
LL4148-GS08
Vishay Intertechnology
The Vishay Intertechnology LL4148-GS08 is a glass diode with fast recovery time of 0.008 us and max reverse current of 5 uA. Ideal for applications requiring rectification, it has a breakdown voltage of 100 V and can handle a peak forward current of 2 A.
Diotec Semiconductor Ag
Micro Commercial Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Shape: RECTANGULAR; Terminal Position: DUAL;
Texas Instruments
1N4148 by Texas Instruments is a rectifier diode with max reverse recovery time of 0.004 us and max forward voltage of 1V. Ideal for applications requiring low reverse current such as signal demodulation circuits. Operates at max temp of 200°C, making it suitable for high-temperature environments.
Jinan Jingheng Electronics
LM317T
Bay Linear
Other Regulators; No. of Terminals: 3; No. of Outputs: 1; Surface Mount: NO; Maximum Load Regulation (%): 1.5 %; Operating Temperature (TJ-Min): 0 Cel;
SMBJ18CA
Yangzhou Yangjie Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Clamping Voltage: 29.2 V; Nominal Breakdown Voltage: 21.05 V; Maximum Repetitive Peak Reverse Voltage: 18 V; Polarity: BIDIRECTIONAL;
V1B2S004-1ZZ00-000
Carling Technologies
Carling Technologies V1B2S004-1ZZ00-000 is a SPST rocker switch with 15A@28VDC rating. With insulation resistance of 50000000 ohm, it has a dielectric withstand voltage of 1500VRMS. Ideal for panel mounting applications, this switch operates b/w -40 to 85 °C temperatures.
A8A-223-1A
Omron
ROCKER SWITCH;
TRD13G10WL04
TE Connectivity's TRD13G10WL04 is a black SPDT rocker switch with 10000 cycles electrical life. It has a max AC contact current of 3A and operates b/w -20°C to 80°C. Ideal for panel mounting, this switch is commonly used in applications requiring momentary ON-OFF-ON functionality.
R711FB2-SXXX2BDANW
E-switch
R711FB2-SXXX2BDANW by E-switch is a black LED illuminated rocker switch with SPST function. It has an electrical life of 10000 cycles, insulation resistance of 100M ohm, and can handle a max DC contact current of 16A@30VDC. Ideal for panel mounting applications in various electronic devices due to its reliable performance and durable construction.
A8GS-D1313
Rocker Switches;
V1B2AJ0C-A9CMS-300
A8GS-D1213
A8A-226-2A
A8NS-3162
ROCKER SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPST; Type (Actuator): ROCKER; Maximum AC Contact Current: 16 A; Maximum AC Contact Voltage: 250 V;
7201J50ZQE2
Itt Cannon
The ITT Cannon 7201J50ZQE2 is a DPDT rocker switch with EPOXY TERMINAL SEALING. It has an electrical life of 100,000 cycles and can handle up to 5A@120VAC for AC and 5A@28VDC for DC applications. Ideal for panel mounting in various electronic devices requiring reliable switching capabilities.
A8L-21-21N2
ROCKER SWITCH; Manufacturer Series: G5LA;
AML24FBE2AA01
Honeywell Sensing And Control
Honeywell Sensing And Control's AML24FBE2AA01 is a SPDT rocker switch with 25000 cycles electrical life. It has a max AC contact current of 2A and DC contact voltage of 24V, suitable for panel mount applications requiring a maintained switch action.
B160R2NBB0NN
Apem Components
The Apem Components B160R2NBB0NN is a SPST rocker switch with 6000 cycles electrical life. It has a max AC contact current of 15A@125VAC and operates b/w -20°C to 85°C. Ideal for panel mounting applications requiring a latched switch function.
A8A-202-2F
1TP65-5
1TP65-5 by Honeywell is a SPDT rocker switch with dust and water-proof sealing. It has a max AC contact current of 10A@277VAC and operates at temperatures up to 71°C. Ideal for panel mounting applications, this switch offers latched and momentary switch action for versatile use.
A101J1AV2Q004
TE Connectivity's A101J1AV2Q004 is a black SPDT rocker switch with 6000 cycles electrical life. It has a max AC contact current of 2A and operates b/w -30 to 85°C. Ideal for panel mounting applications requiring ON-ON contact function at up to 250V AC or 28V DC loads.
2TP12-7
The Honeywell Sensing And Control 2TP12-7 Rocker Switch features DPDT switch function, dust and water-proof sealing, and a max AC contact current of 10A. With a body width of 22.61 inch, it is ideal for panel mount applications requiring a momentary switch action at temperatures up to 71°C.
R1973BBLKBLKGR0
R1973BBLKBLKGR0 by E-switch is a DPST rocker switch with 10000 cycles electrical life. It has a max AC contact current of 9A@125VAC and operates b/w -30°C to 55°C. Ideal for applications requiring reliable switching in electronic devices or industrial equipment.
A8WD-1163
ROCKER SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: DPST; Type (Actuator): ROCKER; Packing Method: BULK; Maximum AC Contact Voltage: 250 V;
FRL91-21CGG3-BB77
FRL91-21CGG3-BB77 by Honeywell is a DPDT rocker switch with green LED illumination, IP67 sealing, and 100000 cycles electrical life. It has a max AC contact current of 20A@12VAC and DC contact current of 20A@12VDC. Ideal for panel mounting applications requiring a latched switch function in environments with temperatures ranging from -40°C to 85°C.
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Supply Digital Components
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