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
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT-THREADED; Switch Function: SPDT; Type (Actuator): STEEL ROLLER; Manufacturer Series: 21EN321-R1; DC Maximum Rating R Load (Contact): 4A@28VDC;
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Snap Action & Limit Switches 21EN321-R1 attributes and parameters. Explore more Snap Action & Limit Switches devices from Honeywell Sensing And Control
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Type (Actuator):
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DC Maximum Rating R Load (Contact):
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21EN321-R1 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.
LL4148
Vishay Intertechnology
Vishay Intertechnology's LL4148 diode features a max reverse recovery time of 0.004 us, forward voltage of 1 V, and output current of 0.15 A. Ideal for rectification applications in electronics due to its high efficiency and low power dissipation capabilities.
CSNF651
Honeywell Sensing And Control
CSNF651 by Honeywell Sensing And Control is an industrial-grade analog circuit with 3 terminals. It operates b/w -40 to 85°C, supporting supply voltages from -15V to 15V. Ideal for applications requiring a special shape rectangular package style and through-hole terminal form.
LM7805CT
Silicon Group
Other Regulators; No. of Terminals: 3; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %; Package Body Material: PLASTIC/EPOXY; Maximum Load Regulation: .05 %;
STM32H753IIK6
STMicroelectronics
STM32H753IIK6 by STMicroelectronics is a 32-bit microcontroller with 176 terminals, operating at up to 48 MHz. It features 20-Ch 16-Bit ADCs, 2-Ch 12-Bit DACs, and peripherals like CAN, ETHERNET, and USB. Ideal for industrial applications requiring high-speed processing and extensive connectivity options.
NC7WZ17P6X
Fairchild Semiconductor
BUFFER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 6; Package Code: TSSOP; Package Shape: RECTANGULAR;
STM32H753IIT6
STM32H753IIT6 by STMicroelectronics is a 32-bit microcontroller with 176 terminals, operating at up to 48 MHz. It features 20-Ch 16-Bit ADCs and 2-Ch 12-Bit DACs, suitable for industrial applications requiring high-speed data processing and connectivity via CAN, ETHERNET, USB, and more.
1N4148
Semitron
RECTIFIER DIODE; Surface Mount: NO; JESD-609 Code: e0; Maximum Output Current: .15 A; Maximum Operating Temperature: 200 Cel; Maximum Reverse Recovery Time: .004 us;
Panjit International
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
CRCW040210K0FKED
Vishay Intertechnology's CRCW040210K0FKED is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.063 W power dissipation. Ideal for surface mount applications in electronics due to its compact SMT package style and high operating temperature range of -55 to 155 °C.
2N2222A
Texas Instruments
2N2222A by Texas Instruments is a small signal NPN bipolar junction transistor (BJT) with a max collector-emitter voltage of 40V and a max collector current of 0.8A. It is commonly used for switching applications due to its fast turn on/off times (35ns/285ns) and high transition frequency (300MHz).
Bytesonic Electronics
Taitron Components
BAV99
Panasonic
MIXER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Secos
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .6 A; JEDEC-95 Code: TO-92;
Shanghai Lunsure Electronic Technology
RECTIFIER DIODE; Surface Mount: NO; Maximum Forward Voltage (VF): 1 V; Maximum Output Current: .15 A; Maximum Reverse Recovery Time: .004 us; Config: SINGLE;
LM107H/883
Advanced Micro Devices
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Low-Offset: NO;
Infinex
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Good-ark Electronics
Won-top Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
ERJ2RKF1002X
Panasonic's ERJ2RKF1002X is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.1 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 compliance and operating temperature range of -55 to 155 °C.
11SX1-T
11SX1-T by Honeywell Sensing And Control is a SPDT snap acting/limit switch with 3A@250VAC AC and 3A@28VDC DC max ratings. Featuring a plastic plunger actuator, it has 0.6mm actuator travel and 0.97N max operating force. Ideal for panel mounting applications requiring momentary switch action.
D3DC-2
Omron
Omron's D3DC-2 snap action/limit switch offers 100000 cycles electrical life, IP00 sealing, and SPST switch function. With a body width of 8.5in and height of 12.1mm, it operates b/w -25°C to 85°C. Ideal for panel mounting applications with quick connect termination, this switch has a max DC contact voltage of 30V and current rating of 0.1A@30VDC.
9007AO36
Schneider Electric Sa
SNAP ACTING/LIMIT SWITCH;
BXA3K
BXA3K by Honeywell Sensing And Control is an explosion-proof snap action switch with SPDT function. It has a wide operating temperature range from -40°C to 70°C and can handle up to 250V DC and 600V AC. Ideal for panel mounting applications requiring momentary switch action in harsh environments.
E78-30A
The Cherry
E78-30A by The Cherry is a DPDT snap action/limit switch with gold-plated contacts, suitable for panel mounting. With an electrical life of 6000 cycles, it operates at temperatures ranging from -40 to 85°C. Its pushbutton actuator has an angle of 0° and provides a max operating force of 7.42N.
D4NL-4AFA-B
DC2CA1LB
The Cherry's DC2CA1LB snap action/limit switch has a 6000 cycle electrical life, SPDT switch function, and IP67 sealing. With a max AC contact current of 10.1A@250VAC, it is ideal for applications requiring reliable switching in harsh environments. The compact design with a body width of 6.5 inch and height of 9mm makes it suitable for panel mounting in various industrial settings.
D459-R1ML-G2
Zf Friedrichshafen Ag
SNAP ACTING/LIMIT SWITCH; Switch Function: SPDT; Body Width: 10.3124 inch; Body Height: 15.9004 mm; Maximum AC Contact Current: 16 A; Electrical Life: 50000 Cycle(s);
D2F-FL2
Omron's D2F-FL2 snap action switch has a 30,000 cycle electrical life with SPDT switch function. It features a HINGE ROLLER LEVER actuator type and operates at temperatures ranging from -25 to 65 °C. Ideal for applications requiring momentary switch action in environments up to IP40 sealing standard.
DC1CC3RC
The Cherry DC1CC3RC is a SNAP ACTING/LIMIT SWITCH with SPDT switch function. It has a 6.5 inch body width, IP67 sealing, and operates at temperatures from -40 to 120 °C. Ideal for applications requiring a durable switch with silver over nickel plating and copper alloy terminals.
GLCC03A2B
GLCC03A2B by Honeywell Sensing And Control is a SPDT snap action/limit switch with IP67 sealing. It operates b/w -40 to 85 °C, handling up to 10A@300VAC or 10A@250VDC. Ideal for applications requiring a side rotary actuator and momentary switch action.
D2D-3104
The Omron D2D-3104 is a DPST snap acting/limit switch with 4A@380VAC AC max rating, 100000 cycle electrical life, and IP40 sealing. It features a plunger actuator type with 2.3mm travel, suitable for panel mounting applications requiring momentary switch action at temperatures ranging from -25 to 85°C.
0E6100K0
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Type (Actuator): ROLLER LEVER; Manufacturer Series: E61; Body Height: 9.53 mm; Terminal Material: BRONZE;
21CX14
21CX14 by Honeywell Sensing And Control is a SPDT snap action/limit switch with EPOXY TERMINAL SEALING and EXPLOSION PROOF sealing. It has a max AC contact current of 15A@480VAC and DC contact voltage of 0.5A@125VDC, making it suitable for PANEL MOUNT applications requiring MOMENTARY switch action.
6HM1-1
6HM1-1 by Honeywell is a hermetically sealed SPDT snap acting/limit switch with a body width of 6.35in and max operating temperature of 260°C. It has a max AC contact current of 2.5A@115VAC, making it ideal for panel mount applications requiring precise momentary switch action in harsh environments.
D459-R1LL-G2
SNAP ACTING/LIMIT SWITCH; Switch Function: SPDT; Maximum AC Contact Voltage: 250 V; Electrical Life: 50000 Cycle(s); Actuator Travel (mm): 1.6002; Body Height: 15.9004 mm;
MS16106-1
Defense Logistics Agency
MS16106-1 by Defense Logistics Agency is a SPDT snap acting/limit switch with 25000 cycles electrical life. It has a body width of 13.21in, height of 42.16mm, and operates b/w -55 to 85°C. Ideal for applications requiring momentary switch action and panel mounting with screw termination type.
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;
D2F-01L30
Omron's D2F-01L30 snap action switch has an electrical life of 30000 cycles, SPDT switch function, and IP40 sealing. With a max operating force of 1.47N, it is ideal for applications requiring momentary switch action in environments with temperatures ranging from -25°C to 65°C.
SSG-5H
Omron's SSG-5H Snap Action & Limit Switch offers 200000 cycles electrical life, SPDT switch function, and IP00 sealing. With a max operating temperature of 125°C, it is ideal for panel mounting applications requiring a 5A@125VAC AC max rating R load contact.
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