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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Featured manufacturers
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Body Width: 3.8 inch;
Median Price
$0.487
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Suppliers In-Stock
12
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1k+
Freelance Electronics
1+ parts
$0.355
100+ parts
$0.373
1k+ parts
$0.351
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Component Electronics Inc.
$0.620
$0.460
$0.400
Connector Distribution Corp
Right Parts Inc.
ComSIT Distribution GmbH
Pegasus Components GmbH
LIBRA Elektronik GmbH
EMSNET
Inland Empire Components Inc.
J2 Sourcing AB
M&R Communications
Prism Electronics
Authorized Procurement Solutions
Assy Fe
Kepictronics
Perfect Parts
Keypad Switches KSR221J attributes and parameters. Explore more Keypad Switches devices from C & K Components
Type (Actuator):
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DC Maximum Power Rating R Load (Contact):
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Maximum DC Contact Voltage:
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No. of Switches:
Maximum Operating Force:
Maximum Operating Temperature:
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KSR221J 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.
LM107H/883C
Rochester Electronics
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Package Equivalence Code: CAN8,.2;
2N2222A
NXP Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; Maximum Operating Temperature: 150 Cel;
OHN3020U
Tt Electronics Plc
OHN3020U by Tt Electronics Plc is a magnetic field sensor with a max supply voltage of 24V and hysteresis of 5mT. It features an output range of 25mA and operates in temperatures ranging from -20 to 85°C. Ideal for applications requiring precise detection and measurement of magnetic fields, such as automotive sensors or industrial automation systems.
1N4148WT
Diodes Incorporated
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
M39029/56-351
Carlisle Interconnect Technologies
CONNECTOR ACCESSORY; MIL Conformity: YES; Contact Type: CRIMP; Removal Tools: M81969/8-06, M81969/14-02; IEC Conformity: NO; Contact Gender: FEMALE;
TCA6424ARGJR
Texas Instruments
TCA6424ARGJR by Texas Instruments is a CMOS parallel I/O port with 24 bits and 3 ports. It operates b/w -40 to 85°C, suitable for industrial applications. With a max clock frequency of 0.4 MHz, it offers low power consumption at only 0.03 mA supply current.
CRG0805F10K
Tyco Electronics Components
FIXED RESISTOR; Mounting Type: SURFACE MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .125 W; Maximum Operating Temperature: 125 Cel; Tolerance: 1 %;
SMBJ18CA
Pulse Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002
Panjit International
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Maximum Time At Peak Reflow Temperature (s): 40; Minimum DS Breakdown Voltage: 60 V;
BAV99
Vishay Sprague
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138
Infineon Technologies
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Maximum Drain Current (Abs) (ID): .2 A; Maximum Feedback Capacitance (Crss): 8 pF;
MC7805CTG
Onsemi
MC7805CTG by Onsemi is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1A. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring stable voltage regulation. The package style is flange mount with through-hole terminals, ensuring easy installation and reliability in diverse electronic designs.
1N4148
International Components
RECTIFIER DIODE; Surface Mount: NO; No. of Elements: 1; Terminal Finish: Tin/Lead (Sn/Pb); JESD-609 Code: e0; Maximum Reverse Recovery Time: .004 us;
SS14
Eic Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Vishay Intertechnology
Vishay Intertechnology's BAV99 diode features a max forward voltage of 1.3V and a max output current of 0.15A, making it ideal for rectification applications. With a small outline package style and dual terminal position, this series-connected diode is designed for surface mount usage in various electronic circuits with an operating temperature range from -55°C to 150°C.
Calogic
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Drain Current (Abs) (ID): .2 A;
General Transistor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
CRCW080510K0FKEA
Vishay Intertechnology's CRCW080510K0FKEA is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.125 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 reference standard compliance and -55 to 155 °C operating temperature range.
SPC TECHNOLOGY/ MULTICOMP
PTS636SM43SMTRLFS
C & K Components
PTS636SM43SMTRLFS by C & K Components is a black keypad switch with SPST function. It has an electrical life of 50,000 cycles and insulation resistance of 100M ohm. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -40 to 90°C.
KSR221GLFS
Itt Cannon
KSR221GLFS by ITT Cannon is a SPST keypad switch with 200000 cycles electrical life. Featuring IP50 sealing, it has a body width of 3.8" and operates b/w -40°C to 85°C. Ideal for applications requiring a soft type actuator, such as consumer electronics and industrial control systems.
5GTH9202242
Apem Components
5GTH9202242 by Apem Components is a keypad switch with POLYPHENYLENE SULPHIDE housing, COPPER TIN ALLOY terminals, and GREEN/YELLOW LED illumination. It has an electrical life of 10M cycles and IP67 sealing, making it ideal for industrial control panels and medical equipment applications. With a max operating force of 2N and SPST switch function, this switch offers reliable performance in harsh environments.
PTS647SN38SMTR2LFS
PTS647SN38SMTR2LFS by C & K Components is a SPST keypad switch with an electrical life of 100,000 cycles. It has a max operating temperature of 70°C and a min operating temperature of -20°C. This switch is suitable for surface mount applications and has a contact resistance of 100 mΩ.
EVPAA202K
Panasonic
The Panasonic EVPAA202K is a black keypad switch with SPST function, ideal for ON-OFF applications. With an electrical life of 200k cycles and insulation resistance of 100M ohm, it offers reliable performance. Featuring a push plate actuator type and snap action contact timing, this switch has a max operating force of 1.6N.
SKRPADE010
Alps Alpine
Alps Alpine SKRPADE010 Keypad Switch offers SPST switch function, 100000 cycles electrical life, and 100000000 ohm insulation resistance. Ideal for applications requiring ON-OFF contact function with a max operating force of 4N.
JB-15FBP2
Nkk Switches
JB-15FBP2 by Nkk Switches is a SPST keypad switch with GLASS FILLED POLYAMIDE housing. It has 5000000 cycle electrical life and operates b/w -25 to 70 °C. Ideal for applications requiring a momentary-tactile switch with 24VDC max rating and 1.8N operating force.
MC32866
MC32866 by Spc Technology/Multicomp is a SPST Keypad Switch with 1000000 cycles Electrical Life. It has a 6.2mm body width and operates b/w -25°C to 70°C. With a max DC contact voltage of 12V, it's ideal for applications requiring MOMENTARY-TACTILE switch action in various industries.
B3AL-1003P
Omron
Omron B3AL-1003P is a white keypad switch with 1.3mm actuator travel and SPST switch function. It has an electrical life of 1M cycles, insulation resistance of 100M ohm, and operates b/w -40 to 90°C. Ideal for applications requiring momentary-tactile action in surface mount configurations.
PTS840GKPSMTRLFS
PTS840GKPSMTRLFS by C & K Components is a SPST keypad switch with 100000 cycle electrical life and 100000000 ohm insulation resistance. Ideal for applications requiring momentary-tactile switch action, it operates b/w -40 to 85 °C with max DC contact voltage of 12V.
MCSLPT4848C5DTR
TE Connectivity
TE Connectivity's MCSLPT4848C5DTR is a SPST Keypad Switch with 200000 cycles Electrical Life. It features POLYETHYLENE Housing, COPPER ALLOY Terminals, and STAINLESS STEEL End Contacts. Ideal for PANEL MOUNT applications, it has an Operating Temperature range of -30 to 80 °C and can handle up to 0.05A@12VDC DC Max Rating Load.
KSC421G70SHLFS
KSC421G70SHLFS by C & K Components is a SPST keypad switch with SILVER terminal material and 300000 cycle electrical life. With IP67 sealing, it's ideal for applications requiring a soft type actuator, such as in environments with temperatures ranging from -40 to 85 °C.
EVPAYG0BA
KEYPAD SWITCH; Manufacturer Series: EVPAYG0;
KSL0M412LFT
KSL0M412LFT by C & K Components is a SPST keypad switch with IP65 sealing, suitable for applications requiring durability. It has an electrical life of 100000 cycles and a max DC contact voltage of 32V, making it ideal for use in harsh environments. With a compact body width of 6.2mm and solder termination, this switch offers reliable performance in various electronic devices.
EVQP2202M
The Panasonic EVQP2202M is a SPST keypad switch with 1000000 cycles electrical life and 100000000 ohm insulation resistance. It operates b/w -40 to 85 °C, has a contact bounce time of 10 ms, and uses gold/silver terminal finish. Ideal for applications requiring ON-OFF functionality in compact devices.
D6C90F1LFS
D6C90F1LFS by ITT Cannon is a black keypad switch with SPST function. It has an electrical life of 250,000 cycles and operates at temperatures ranging from -20 to 85°C. Ideal for applications requiring a momentary-tactile switch with a max DC contact voltage of 32V and current rating of 0.1A.
5GSH93501
The Apem Components 5GSH93501 keypad switch features a PPS housing, blue LED illumination, and IP67 sealing. With an electrical life of 10M cycles, it is ideal for applications requiring a momentary SPST switch with a max operating force of 3.5N. Suitable for surface mount installations in environments ranging from -40°C to 160°C.
B3U-1000PM
Omron B3U-1000PM is a black keypad switch with 200000 cycles electrical life. It has SPST switch function, 1.5N max operating force, and -25 to 70°C temp range. Ideal for applications requiring momentary-tactile action, such as consumer electronics or industrial control panels.
KSEM31GLFS
KSEM31GLFS by C & K Components is a SPST keypad switch with 300000 cycles electrical life and 1VA@32VDC DC max power rating. With IP67 sealing, it's ideal for applications requiring a reliable, sealed keypad switch in harsh environments.
PTS645SM43SMTR92LFS
PTS645SM43SMTR92LFS by C & K Components is a SPST keypad switch with 100000 cycles electrical life, 100000000000 ohm insulation resistance, and 1.57N max operating force. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -20 to 60°C.
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