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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BZ-R21-A2 by Honeywell is a SPDT snap action/limit switch with 15A@125VAC AC rating and 0.25A@250VDC DC rating. With a body width of 17.45 inch, it has a max operating force of 1.11 N and 0.43 mm actuator travel. Ideal for panel mounting applications requiring momentary switch action.
Median Price
$25.455
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1k+
Relay Specialties
1+ parts
$12.150
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$10.130
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Verical
$22.500
$21.240
$19.230
Master Electronics
$29.410
$23.370
$22.750
Mouser Electronics
$33.630
$22.480
RS (Exports)
$43.870
$33.780
Chip1Stop
$23.900
$20.600
Newark
Farnell
$27.010
Powell Electronics
$21.000
IBS Electronics
$66.058
$32.692
$32.482
Vyrian
VNN
Q Components
Nova Conductors
Resion
Electronic Expediters
Ampacity Inc.
$10.330
Aranea Global
Assy Fe
Perfect Parts
Wide body width provides stability and durability, making this switch suitable for heavy-duty applications.
Single Pole Double Throw functionality allows for versatility in electrical connections, making it suitable for various circuit requirements.
Compact body height saves space and allows for easy integration into different equipment or systems.
High AC contact current rating ensures reliable performance in handling high current loads without overheating.
Precise actuator travel distance ensures accurate and consistent switching operation.
High DC contact voltage rating enables this switch to be used in a wide range of applications requiring higher voltage handling.
Combination of snap action and limit switch features provides quick and accurate response to changes in the system, enhancing overall efficiency.
High rating for AC contact load ensures compatibility with various AC voltage systems.
Optimal body length/diameter ratio for easy installation and handling within different equipment layouts.
Low operating force requirement makes it easy to actuate the switch, reducing user fatigue and improving operational comfort.
Suitable DC contact load rating for handling low to medium DC voltage applications efficiently.
Able to handle moderate DC current loads effectively without risk of damage or malfunctions.
Momentary switch action allows for temporary electrical connections, ideal for control and signaling applications.
Screw termination ensures secure and reliable electrical connections, preventing accidental disconnections.
Safe maximum AC contact voltage rating suitable for standard AC voltage applications.
Minimal pre-travel distance ensures quick response and precise operation of the switch, improving overall performance.
Panel mounting feature allows for easy installation on control panels or equipment surfaces, enhancing accessibility and visibility.
Snap Action & Limit Switches BZ-R21-A2 attributes and parameters. Explore more Snap Action & Limit Switches devices from Honeywell Sensing And Control
Actuator Travel (mm):
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:
Mounting Feature:
Maximum Operating Force:
Maximum Pre Travel:
Switch Action:
Switch Function:
Switch Type:
Termination Type:
BZ-R21-A2 Switches trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.50.70.00
SB
Honeywell traces its roots to 1885 with Albert Butz's firm, Butz-Thermo Electric Regulator, which produced a predecessor to the modern thermostat. Today, Honeywell is a global multi-industry behemoth with one of the largest installed bases of equipment. The firm operates through four business segments, including aerospace, building technologies, performance materials and technologies, and safety and productivity solutions. In recent years, the firm has made several portfolio changes, including the addition of Intelligrated in 2016, as well as the spins of Garrett Technologies and Resideo in 2018. In 2019, the firm launched Honeywell Forge, its enterprise performance management software solution that leverages the firm's domain expertise in buildings, airlines, and critical infrastructure.
2N7002
Motorola
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Package Body Material: PLASTIC/EPOXY; Qualification: Not Qualified; Minimum Operating Temperature: -55 Cel;
LM555CN
Harris Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
LL4148
Semtech Electronics
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
BAV99
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
FT232RQ-REEL
FTDI
FTDI's FT232RQ-REEL is a USB bus controller with 32 terminals, operating at 3.3-5.25V. It supports data transfer rates up to 60MBps and clock frequency of 12.02MHz, suitable for RS232/RS422/RS485 interfaces in various applications like industrial automation and communication systems.
1N4148WS
General Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
General Instrument
1N4148
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
2N2222A
Baneasa S A
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .8 A; Qualification: Not Qualified;
Dc Components
Sensitron Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Synsemi
Vishay Semiconductors
FDV303N
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Transistor Application: SWITCHING; JESD-609 Code: e3;
M39029/58-360
Carlisle Interconnect Technologies
GENERAL CONN ACCESSORY; Associated Military - Specifications: MIL-C-55302/69, MIL-C-38999; Maximum Operating Temperature: 200 Cel; MIL-Connector Accessory: CONTACT; Terminal Type: CRIMP; MIL Conformity: YES;
SS14
Jinan Jingheng Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Taitron Components
M39029/56-351
CONNECTOR ACCESSORY; MIL Conformity: YES; Contact Type: CRIMP; Removal Tools: M81969/8-06, M81969/14-02; IEC Conformity: NO; Contact Gender: FEMALE;
STMicroelectronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .6 A;
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;
D3V-163-1C5
Omron
Omron D3V-163-1C5 is a snap action/limit switch with SPDT function. It has an electrical life of 100k cycles, IP00 sealing, and operates b/w -25°C to 105°C. With a max AC contact current of 16A@250VAC, it's ideal for panel mounting applications requiring momentary switch action.
1816
Leach International
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT-THREADED; Switch Function: SPDT; Type (Actuator): PLUNGER; Maximum Operating Temperature: 125 Cel; Maximum DC Contact Current: 5 A;
SS-01GL111
SNAP ACTING/LIMIT SWITCH;
LSG6B
Honeywell Sensing And Control
LSG6B by Honeywell Sensing And Control is a DPDT snap acting/limit switch with EPOXY TERMINAL SEALING (IP65, IP66, IP67). It has a max AC contact current of 10A@600VAC and operates b/w -1°C to 93°C. Ideal for PANEL MOUNT applications requiring a latched switch action with SCREW termination type.
SS-5GL
Omron SS-5GL is a SPDT snap action/limit switch with 200000 cycles electrical life. With IP40 sealing, it operates b/w -25 to 85°C and handles up to 5A@125VAC. Ideal for panel mounting applications, its hinge lever actuator offers 2mm travel and requires only 0.49N max operating force.
BZE6-2RN
BZE6-2RN by Honeywell is a snap action/limit switch with zinc die cast housing, IP66 sealing, and SPDT switch function. It has a max AC contact current of 15A@480VAC and is ideal for panel mounting applications. With a steel plunger actuator type and silver plating, it offers reliable performance in various industrial settings.
11SM244
11SM244 by Honeywell Sensing And Control is a snap action/limit switch with a body width of 6.35 inch and a max operating temperature of 204°C. It has a SPDT switch function and is commonly used for panel mounting applications.
D3V-165-1C5-K
Omron's D3V-165-1C5-K is a SPDT snap acting/limit switch with 100000 cycles electrical life. Featuring short hinge roller lever actuator, it has 2.35N max operating force and IP00 sealing. Ideal for panel mount applications, it operates b/w -25°C to 105°C with 16A@250VAC AC rating.
311SX2-T2
311SX2-T2 by Honeywell is a SPDT snap action/limit switch with 5A@250VAC AC rating. It has a body width of 5.08" and max operating temperature of 121°C. Ideal for panel mounting applications, it offers a max pre-travel of 2.92mm and actuator travel of 3.56mm.
XCKP2102N12
Schneider Electric Sa
311SM701-T
311SM701-T by Honeywell is a SPDT snap action/limit switch with PHENOLIC housing. It has a max operating temperature of 121°C and min of -54°C. With a max DC contact voltage of 30V, it is ideal for panel mounting applications requiring N.C-N.O. contact function.
D2F-L-D3
Omron's D2F-L-D3 snap action switch has an electrical life of 30k cycles, SPDT switch function, and IP40 sealing. With a body width of 5.8in and height of 6.5mm, it is ideal for panel mounting applications requiring a max operating force of 1.47N at temperatures ranging from -25 to 65°C.
D4BS-2AFS
SNAP ACTING/LIMIT SWITCH; Manufacturer Series: D4BS;
1SE1-T
1SE1-T by Honeywell Sensing And Control is a 8.79" wide, 15.24mm high snap action/limit switch with SPDT function and corrosion-proof sealing. It has a steel plunger actuator, 5A@250VAC AC rating, and 5A@30VDC DC rating. Ideal for panel mounting applications requiring momentary switch action.
1SX1-T-C
SNAP ACTING/LIMIT SWITCH; Manufacturer Series: SX;
D2F-01-D3
Omron's D2F-01-D3 snap action switch has a 30,000 cycle electrical life and operates b/w -25°C to 65°C. With SPDT switch function, it offers a max DC contact voltage of 30V and max operating force of 1.47N. Ideal for panel mounting applications requiring momentary switch action with IP40 sealing.
SSCM110100
Alps Electric
SNAP ACTING/LIMIT SWITCH; Mounting Feature: SURFACE MOUNT-RIGHT ANGLE; Switch Function: SPDT; Termination Type: SOLDER; Maximum Operating Temperature: 60 Cel; Body Width: 3.6 inch;
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.
F69-30A
The Cherry F69-30A snap action/limit switch has SPDT function, 10A@250VAC AC contact current, and -40 to 85 °C operating temperature range. Ideal for panel mounting applications requiring quick connect termination with polyester housing and brass terminals.
1XE401-T
1XE401-T by Honeywell Sensing And Control is a SPDT snap action/limit switch with steel plunger actuator. It features corrosion-proof sealing, 1A@28VDC DC max rating, and 4.73N max operating force. Ideal for panel mounting applications requiring momentary switch action in industrial settings.
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BZ-R20
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Switch Action: MOMENTARY; Body Width: 17.45 inch; Maximum AC Contact Current: 15 A;
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
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12,000 In-Stock
Total price ≈ $80,197.29
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