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
Omron A-20GQ21-B is a SPDT snap action/limit switch with 500000 cycles electrical life. It has a max AC contact current of 20A@250VAC and operates b/w -25 to 80 °C. Ideal for panel mounting, it features a roller plunger actuator with 4.88mm travel suitable for various industrial applications.
Median Price
$37.840
Lifecycle Status
Suppliers In-Stock
3
In-Stock Inventory
< 1k
DigiKey
1+ parts
100+ parts
$25.934
1k+ parts
$24.504
10k+ parts
-
Mouser Electronics
$28.240
Newark
$44.150
$31.460
$28.800
Native Components
$2.115
Northwest PG Solutions
$2.327
Component Stockers USA
$36.950
Neutron USA
$118.600
Perfect Parts
Long electrical life means the switch will last for a long time, providing reliable performance.
Compact size makes it easy to mount and integrate into different systems or equipment.
Single Pole Double Throw functionality allows for versatile usage in various applications.
Low profile design for easy installation in tight spaces.
Can operate effectively in relatively high-temperature environments.
Can handle high current loads, making it suitable for industrial applications.
Can operate in cold environments without performance issues.
Provides precise actuation and control over the switch.
Roller plunger design ensures smooth and reliable actuation in various conditions.
Can handle moderate DC voltages for different applications.
Combination of snap acting and limit switch functionality provides versatility in usage.
High current and voltage rating for AC loads, suitable for heavy-duty applications.
Compact design for easy integration and mounting.
Low operating force required for actuation, making it user-friendly.
Moderate DC load rating for different DC applications.
Can handle low to moderate DC currents, suitable for various DC applications.
Momentary switch action for quick and temporary control operations.
Screw termination for secure and reliable electrical connections.
High voltage rating for handling AC applications with ease.
Low pre-travel distance allows for quick and precise actuation.
Panel mount feature for easy installation on panels, control boards, or equipment.
Snap Action & Limit Switches A-20GQ21-B attributes and parameters. Explore more Snap Action & Limit Switches devices from Omron
Actuator Travel (mm):
Type (Actuator):
Body Width:
Body Height:
Body Length/Diameter:
AC Maximum Rating R Load (Contact):
Maximum AC Contact Current:
Maximum DC Contact Current:
DC Maximum Rating R Load (Contact):
Maximum AC Contact Voltage:
Maximum DC Contact Voltage:
Electrical Life:
Mounting Feature:
Maximum Operating Force:
Maximum Operating Temperature:
Minimum Operating Temperature:
Maximum Pre Travel:
Switch Action:
Switch Function:
Switch Type:
Termination Type:
A-20GQ21-B Switches trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.50.70.00
SB
As a global leader in the field of automation, OMRON’s business fields cover a broad spectrum, ranging from industrial automation and electronic components to social systems including automated ticket gates and solar power conditioners, healthcare. At present, OMRON provides products and services in around 120 countries and regions.
CRCW04020000Z0EDHP
Vishay Intertechnology
Vishay Intertechnology's CRCW04020000Z0EDHP is a 0402 SMT resistor with 0 ohm resistance, rated for temperatures from -55°C to 155°C. Ideal for jumper applications in automotive electronics due to AEC-Q200 compliance and compact size of 1mm x 0.5mm x 0.3mm.
CRGCQ0805F10K
TE Connectivity
TE Connectivity's CRGCQ0805F10K is a 10000 ohm fixed resistor with 1% tolerance. It operates b/w -55 to 155 °C and has a power dissipation of 0.125 W. Ideal for surface mount applications in automotive electronics due to AEC-Q200 standard compliance.
AB26TRB-32.768KHZ--T
Abracon
AB26TRB-32.768KHZ--T by Abracon is a crystal oscillator with 20 ppm frequency tolerance, 126% stability, and 35000 ohm series resistance. Ideal for applications requiring 0.032768 MHz nominal frequency in surface mount configurations.
DS18B20Z
Dallas Semiconductor
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Housing: PLASTIC; Maximum Accuracy (Cel): 0.50;
SS14
Cheng-yi Electronic
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Jgd Semiconductors
RECTIFIER DIODE; Surface Mount: YES; Technology: SCHOTTKY; Maximum Non Repetitive Peak Forward Current: 30 A; Maximum Forward Voltage (VF): .55 V; No. of Phases: 1;
1N4148
Rectron
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
MBR0530T1G
Onsemi
MBR0530T1G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.375V and output current of 0.5A. It operates b/w -65°C to 125°C, making it suitable for applications requiring high-speed switching in compact electronic devices like smartphones and tablets. The package style is small outline with gull wing terminals for surface mount assembly.
Microsemi
Changzhou Starsea Electronics
LM358N
Samsung
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
LM78L05ACMX/NOPB
Texas Instruments
LM78L05ACMX/NOPB by Texas Instruments is a fixed positive single output standard regulator with an output voltage of 5V and max current of 0.1A. It operates b/w 0-125°C, has a dropout voltage of 1.6V, and can handle input voltages up to 30V making it ideal for various electronic applications requiring stable power supply.
2N2222A
Transistor & Electronic
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Micro Commercial Components
STM32H743IIT6
STMicroelectronics
STM32H743IIT6 by STMicroelectronics is a 32-bit microcontroller with integrated cache and a max supply voltage of 3.6V. It is commonly used in industrial applications due to its wide temperature range (-40°C to 85°C) and various connectivity options (CAN, I2C, UART, USB).
Small Signal Bipolar Transistors; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JESD-609 Code: e0;
M24308/2-1F
Cinch Connectivity Solutions
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Dielectric Withstanding Voltage (V): 1750VAC; No. of Connectors: ONE; Body Depth: .375 inch;
LAN8720AI-CP-TR
Standard Microsystems
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
BAV99
Secos
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Fairchild Semiconductor
D2F-01
Omron
Omron's D2F-01 snap action switch has a 30,000 cycle electrical life and operates b/w -25°C to 65°C. With a SPDT switch function, it features a PIN PLUNGER actuator type with 0.75mm travel. Ideal for applications requiring momentary switch action in environments up to IP40 sealing standard.
1EN1-6B
Honeywell Sensing And Control
1EN1-6B by Honeywell is a corrosion-proof SPDT snap action/limit switch with a steel plunger. It has a max DC contact voltage of 28V and can handle up to 4A@28VDC. Ideal for panel mounting applications, it offers a body height of 29.59mm and an actuator travel of 7.37mm, with a max operating force of 22.24N.
SS-5GL2D2
Omron SS-5GL2D2 is a SPDT snap action/limit switch with 200000 cycles electrical life. It has a max AC contact current of 5A@125VAC and sealing rating of IP40. Ideal for applications requiring momentary switch action, such as industrial machinery control systems.
FFS-11-QD05
The Honeywell Sensing And Control FFS-11-QD05 is a snap action/limit switch with DPST function, IP67 sealing, and 19" body width. It has a max AC contact current of 2A@230VAC and DC contact voltage of 30V. Ideal for panel mounting applications requiring momentary switch action in temperatures ranging from -10°C to 55°C.
914CE31-9V
914CE31-9V by Honeywell Sensing And Control is a SNAP ACTING/LIMIT SWITCH with SPDT switch function. It has IP66; IP67; IP68 sealing, suitable for PANEL MOUNT applications. With a max AC contact current of 5A@250VAC and operating temperature range from 0 to 105 °C, it offers reliable performance in various industrial settings.
ESE58L61B
Panasonic
Panasonic ESE58L61B is a SPST snap action/limit switch with 50000 cycles electrical life. It has a body width of 3" and operates b/w -10 to 60°C. With a max DC contact voltage of 5V, it's ideal for applications requiring momentary switch action in surface mount-right angle configurations.
914CE31-12
The Honeywell 914CE31-12 is a SPDT snap action/limit switch with IP66, IP67, and IP68 sealing. Featuring a TOP ROLLER PLUNGER actuator type with 4mm travel, it has a max operating force of 11.8N and can handle up to 240V AC contact voltage. Ideal for panel mounting applications requiring momentary switch action in temperatures ranging from 0°C to 70°C.
9007MS05S0300
Schneider Electric Sa
SNAP ACTING/LIMIT SWITCH;
BZ-RX43
BZ-RX43 by Honeywell Sensing And Control is a SPDT snap action/limit switch with 15A@480VAC AC max rating. Featuring a plastic plunger actuator, it has a body width of 17.45 inch and terminal finish of Matte Tin (Sn). Ideal for panel mounting applications requiring momentary switch action.
5SE1-T
5SE1-T by Honeywell is a snap action/limit switch with SPDT function. It features a steel plunger actuator, corrosion-proof sealing, and 8.79" body width. Ideal for panel mounting applications, it has a max AC contact current of 5A@250VAC and DC contact current of 5A@30VDC.
AV444461
AV444461 by Panasonic is a SPDT snap action/limit switch with 200000 cycles electrical life. Featuring a simulated roller lever actuator, it has a max operating force of 0.29N and operates at temperatures ranging from -25°C to 80°C. Ideal for applications requiring momentary switch action and through-hole-straight mounting.
83240024
Crouzet
83180001
608.8117.007
Altech
BZ-RLX
BZ-RLX by Honeywell Sensing And Control is a 17.45" snap action switch with SPDT function, suitable for panel mounting. It has a max AC contact current of 15A@480VAC and DC contact current of 0.5A@125VDC. Ideal for applications requiring corrosion-proof sealing and momentary switch action.
LCGHF5A10RC
C & K Components
LCGHF5A10RC by C & K Components is a SPDT snap acting/limit switch with 6000 cycles electrical life. Featuring lever roller high force actuator, it has 4.3mm actuator travel and 0.56N max operating force. Ideal for applications requiring momentary switch action in temperatures ranging from -25°C to 85°C.
XCMD2102L5
6008354026
D453-B8MD
The Cherry
The Cherry D453-B8MD is a SNAP ACTING/LIMIT SWITCH with SPDT switch function. It features a 10.3124" wide POLYESTER housing and operates b/w -40 to 85 °C. Ideal for PANEL MOUNT applications, it has a max AC contact current of 15A@250VAC and an actuator travel of 8.89mm.
LSXYMB4N
LSXYMB4N by Honeywell Sensing And Control is a 41.4" wide, 116.8mm high snap acting/limit switch with DPDT switch function and side rotary actuator type. It is explosion proof, operates b/w -1°C to 121°C, handles up to 10A@240VDC current, and has a max AC contact voltage of 600V. Ideal for panel mounting applications requiring momentary switch action in hazardous environments.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
A-20G
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): PIN PLUNGER; Body Length/Diameter: 49.2 mm; Maximum Operating Temperature: 80 Cel;
A-20G-B
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): PIN PLUNGER; Electrical Life: 500000 Cycle(s); Maximum Operating Force: 6.13 N;
A-20GD
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): SHORT SPRING PLUNGER; Switch Action: MOMENTARY; Body Height: 24.2 mm;
A-20GD-B
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): SHORT SPRING PLUNGER; Switch Action: MOMENTARY; Body Width: 17.45 inch;
A-20GQ
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): PLUNGER; Actuator Travel (mm): 6.9; Maximum DC Contact Current: .5 A;
A-20GQ21
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): ROLLER PLUNGER; Maximum DC Contact Voltage: 125 V; Body Height: 24.2 mm;
A-20GQ22
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): ROLLER PLUNGER; Maximum Pre Travel: 1.3 mm; Body Length/Diameter: 49.2 mm;
A-20GQ22-B
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): ROLLER PLUNGER; Minimum Operating Temperature: -25 Cel; Electrical Life: 500000 Cycle(s);
A-20GQ-B
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): PLUNGER; Maximum AC Contact Voltage: 250 V; Maximum Pre Travel: 1.3 mm;
A-20GV
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): HINGE LEVER; Body Width: 17.45 inch; Minimum Operating Temperature: -25 Cel;
A-20GV2
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): HINGE ROLLER LEVER; Maximum Pre Travel: 12 mm; Minimum Operating Temperature: -25 Cel;
A-20GV21
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): SHORT HINGE LEVER; Body Width: 17.45 inch; Minimum Operating Temperature: -25 Cel;
A-20GV21-B
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): SHORT HINGE LEVER; Maximum DC Contact Voltage: 125 V; DC Maximum Rating R Load (Contact): .5A@125VDC;
A-20GV22
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): SHORT HINGE ROLLER LEVER; Electrical Life: 500000 Cycle(s); Maximum AC Contact Voltage: 250 V;
A-20GV22-B
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): SHORT HINGE ROLLER LEVER; Electrical Life: 500000 Cycle(s); Maximum Operating Temperature: 80 Cel;
A-20GV2-B
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): HINGE ROLLER LEVER; Switch Action: MOMENTARY; Body Height: 24.2 mm;
A-20GV-B
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): HINGE LEVER; Body Height: 24.2 mm; Electrical Life: 500000 Cycle(s);
A-20GV-B7-K
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): HINGE LEVER; Contact Resistance: 15 mohm; Actuator Travel (mm): 19.9;
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