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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KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Maximum DC Contact Current: .05 A;
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PC Components Company LLC
Bristol Electronics
Sunrise Surplus Inc.
Cyclops Electronics Ltd (Excess)
Glotronic Ltd.
Kepictronics
Keypad Switches KST221J attributes and parameters. Explore more Keypad Switches devices from C & K Components
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KST221J Switches trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.50.90.40
SB
C&K is now a part of Littelfuse, Inc. Since its formation in 1928, C&K has been at the forefront of technological evolution in electromechanical switches. The company’s unmatched design capabilities tailored to customer needs are recognized globally by design engineers who demand high-quality switch performance. Nearly a century later, C&K remains one of the most recognizable and trusted names in the e-mech switch industry. C&K has headquarters in Waltham, Massachusetts (United States) and global design centers at its HQ location alongside Dole (France) and Huizhou (China). Used in automotive, industrial, medical and consumer products, among other applications, C&K products – including tactile, rocker and toggle switches – are assembled in over 55,000 standard products and 8.5 million switch combinations to companies that design, manufacture and distribute electronics products. So whether you’re interested in a universal paddle switch assembly for a fire alarm, a compact start/stop button for a boating application, a switching mechanism for a surgical device with a specific actuation force, or a tailor-made multi-position snap-switch module for temperature adjustment, you can count on C&K to deliver the best possible solution every time.
LL4148
Synsemi
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
SMBJ18CA
General Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Bkc Semiconductors
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
M24308/2-1F
Itt Cannon
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Additional Features: STANDARD: MIL-DTL-24308, POLARIZED; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Filter Feature: NO;
2N7002
Bytesonic Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Terminal Position: DUAL; Minimum Operating Temperature: -55 Cel;
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.
Comchip Technology
0460-202-16141
TE Connectivity
TE Connectivity's 0460-202-16141 contact features a crimp terminal type, machined contact design, and rated AC voltage of 1500V. With a wire gauge range of 20-16 AWG, it is ideal for applications requiring a male round pin-socket contact style in assembly products.
Rectron
RC0402JR-070RL
Yageo
Yageo's RC0402JR-070RL is a SMT fixed resistor with 0 ohm resistance, rated for temperatures from -55 to 155 °C. It features METAL GLAZE/THICK FILM tech, WRAPAROUND terminals, and 0.0625 W power dissipation. Ideal for jumper applications in electronics requiring compact surface mount components.
BAV99
Toshiba
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
Rochester Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
C1206C104M5RACTU
KEMET Corporation
KEMET C1206C104M5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125°C operating range, and ±20% tolerance. Ideal for surface mount applications in electronics requiring stable capacitance across temperatures.
Plessey Semiconductors Discrete Components Div
1N4148WT
Jiangsu Changjiang Electronics Technology
LD1117S33TR
STMicroelectronics
LD1117S33TR by STMicroelectronics is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 1.3A. It has a small outline package style, operates at an adjustable temperature range from 0 to 125°C, and is ideal for applications requiring stable voltage regulation in compact electronic devices.
Good-ark Electronics
USB3320C-EZK-TR
Standard Microsystems
INTERFACE CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 32; Package Code: HVQCCN; Package Shape: SQUARE;
NXP Semiconductors
Lite-on Semiconductor
KSC401G50SHLFS
KSC401G50SHLFS by ITT Cannon is a SPST keypad switch with 1VA@32VDC power rating, IP67 sealing, and 1000000000 ohm insulation resistance. Ideal for applications requiring a soft type actuator, it operates b/w -40 to 85 °C with 0.05A@32VDC max DC contact current.
EVQP2202W
Panasonic
The Panasonic EVQP2202W is a SPST keypad switch with 1000000 cycle electrical life and 100000000 ohm insulation resistance. With a max operating force of 1.6N, it's ideal for applications requiring ON-OFF contact function in temperatures ranging from -40 to 85°C.
B3S-1000
Omron
Omron B3S-1000 Keypad Switch offers 500000 cycles Electrical Life, IP67 Sealing, and 100000000 ohm Insulation Resistance. Ideal for applications requiring SPST Switch Function, such as industrial control panels or electronic devices.
B3SN-3012
The Omron B3SN-3012 is a keypad switch with 1 switch and an electrical life of 100,000 cycles. It has a sealing rating of IP67, making it suitable for use in environments where protection against dust and water is required. This switch operates at temperatures ranging from -25°C to 70°C and has a max DC contact voltage of 24V.
D6R40F1LFS
C & K Components
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Type (Actuator): ROUND TYPE; Solderability: HAND/WAVE; Maximum DC Contact Current: .1 A;
PTS525SK10SMTRLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Contact Function: OFF-(ON); Solderability: REFLOW; Termination Type: SOLDER;
KSC222JLFS
KSC222JLFS by C & K Components is a SPST keypad switch with SILVER terminal material and IP67 sealing. It has an electrical life of 1M cycles, operates b/w -40 to 85°C, and has a max DC contact voltage of 32V. Ideal for applications requiring a momentary-tactile switch with surface mount-straight mounting feature.
RS-282G05A3SMRT
RS-282G05A3SMRT by C & K Components is a POLYAMIDE keypad switch with 50000 cycles electrical life and 100000000 ohm insulation resistance. It features SPST switch function, SILVER end contact plating, and 0.25mm actuator travel. Ideal for applications requiring a MOMENTARY-TACTILE KEYPAD SWITCH with 2.94N max operating force in temperatures ranging from -20 to 70°C.
DTSM-63N-V-T/R
Diptronics Manufacturing
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): DOMED TYPE; Maximum Operating Force: 2.06 N; Maximum DC Contact Voltage: 12 V;
B3U-1000PM-B
The Omron B3U-1000PM-B is a black keypad switch with a plunger type actuator. It has an electrical life of 200,000 cycles and insulation resistance of 100MΩ. This switch is commonly used in applications requiring momentary-tactile action and surface mount-straight mounting.
1-1825910-8
TE Connectivity 1-1825910-8 is a SPST Keypad Switch with IVORY actuator color and NYLON housing. It has an electrical life of 100,000 cycles, operates b/w -35 to 85°C, and supports 0.05A@24VDC DC max rating R load. Ideal for panel mounting applications requiring momentary switch action.
B3F-1055
The Omron B3F-1055 Keypad Switch features SPST switch function, 100000 cycle electrical life, and 100000000 ohm insulation resistance. Ideal for applications requiring a momentary-tactile switch with a max operating force of 3.24 N and gold terminal finish for solder termination.
SKRKAHE020
Alps Electric
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): STEM; Solderability: REFLOW; Circuit Config: 1X1;
KSS233GLFG
ITT Cannon's KSS233GLFG keypad switch has an electrical life of 100K cycles, insulation resistance of 1G ohm, and sealing rating of IP40. Ideal for applications requiring a SPST switch function with a max operating temperature of 125°C.
5ETH920NCNO
Mec A/s
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPDT; Contact Function: N.C-N.O; No. of Switches: 1; Body Height: 6.4 mm;
FSM4JSMATR
TE Connectivity's FSM4JSMATR is a black keypad switch with polyamide housing. It has an electrical life of 100,000 cycles and operates b/w -20°C to 85°C. Ideal for panel mounting applications requiring a momentary-tactile switch with SPST function.
95C05B3GWRT
Grayhill
Grayhill 95C05B3GWRT Keypad Switch offers SPST switch function with 1000000 cycles electrical life. With a body width of 5.2", it operates b/w -25 to 70°C, ideal for applications requiring momentary-tactile action and surface mount-straight mounting.
MX1A-21NW
The Cherry
The Cherry MX1A-21NW keypad switch features SPST switch function, 4.2926mm actuator travel, and 0.01A@12VAC AC max rating R load. Ideal for applications requiring OFF-(ON) contact function with solvent washability and through hole-straight mounting feature.
EVQQ0G03K
The Panasonic EVQQ0G03K keypad switch has an electrical life of 200,000 cycles and insulation resistance of 100MΩ. With a max operating force of 2.6N, it is ideal for applications requiring a SPDT pushbutton switch with momentary action. This surface-mount right-angle switch operates b/w -20°C to 70°C, making it suitable for various electronic devices.
PTS820J25KSMTRLFS
PTS820J25KSMTRLFS by C & K Components is a SPST keypad switch with 100000 cycle electrical life and 100000000 ohm insulation resistance. It operates b/w -40 to 85 °C, suitable for applications requiring momentary switch action and surface mount-straight mounting feature.
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