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; Body Width: 3.8 inch;
Median Price
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$0.373
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Component Electronics Inc.
$0.620
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$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):
Body Width:
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Maximum DC Contact Current:
DC Maximum Power Rating R Load (Contact):
DC Maximum Rating R Load (Contact):
Contact Resistance:
Maximum DC Contact Voltage:
Insulation Resistance:
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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.
1N4148
General Diode
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Maximum Reverse Recovery Time: .004 us; Terminal Finish: Tin/Lead (Sn/Pb); No. of Elements: 1;
LM555CMX
National Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
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;
BAV99
Promax-johnton
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WT
Jiangsu Changjiang Electronics Technology
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
C0603X104K5RACAUTO
KEMET Corporation
C0603X104K5RACAUTO by KEMET Corp is a ceramic capacitor with capacitance of 0.1 uF and rated DC voltage of 50 V. It has a temperature coefficient of 15% and can operate b/w -55 to 125 °C. This SMT package is commonly used in automotive applications due to its AEC-Q200 reference standard.
M39029/58-360
Fct Electronic
CONNECTOR ACCESSORY; IEC Conformity: NO; Alternate Contact Sources: MILITARY; MIL Conformity: YES; Contact Gender: MALE; MIL-Connector Accessory Name: CONTACT;
2N2222A
Silicon 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;
Fairchild Semiconductor
SS14
Frontier Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Surface Mount: YES; Technology: SCHOTTKY; No. of Phases: 1; Config: SINGLE; Maximum Operating Temperature: 125 Cel;
Onsemi
LAN8720AI-CP-TR
Microchip Technology
LAN8720AI-CP-TR by Microchip is an Ethernet transceiver with 100 Mbps data rate, operating at -40 to 85 °C. It features a 3.3 V supply voltage, 54 mA supply current, and TS 16949 screening level. Ideal for network interfaces in industrial applications due to its compact square package and low profile design.
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JESD-30 Code: R-PDSO-G3; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; Operating Mode: ENHANCEMENT MODE;
Standard Microsystems
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
Aeroflex/metelics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Package Shape: ROUND; Transistor Application: SWITCHING;
Baneasa S A
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .8 A; Qualification: Not Qualified;
LL4148
Weitronic Enterprise
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Hi-tron Semiconductor
Itt Semiconductor
RKB2SJK250SMTRLFS
C & K Components
KEYPAD SWITCH;
1977066-1
TE Connectivity
TE Connectivity 1977066-1 is a SPST Keypad Switch with IVORY actuator. It has POLYPHTHALAMIDE housing, COPPER ALLOY terminals, and SILVER plating. With 100000 cycles electrical life, it's ideal for PANEL MOUNT applications requiring MOMENTARY-TACTILE switch action at -35 to 85 °C temperature range.
1241.1102.7097
Schurter Ag
Schurter Ag's 1241.1102.7097 Keypad Switch features POLYSULFONE housing, SPST switch function, and IP65 sealing. With a DC Max Power Rating of 0.36VA@24VDC, it is ideal for panel mount applications requiring a durable and reliable keypad switch with a long electrical life of 1000000 cycles.
EVQ11K05B
Panasonic
Panasonic EVQ11K05B is a SPST Keypad Switch with 1000000 cycle Electrical Life. It has an Actuator Travel of 0.25mm and operates b/w -20 to 70 °C. Ideal for applications requiring a reliable, momentary switch with low contact resistance and gold/silver terminal finish.
EVPAA602W
EVPAA602W by Panasonic is a white keypad switch with SPST function. It has an electrical life of 200,000 cycles and insulation resistance of 100M ohm. Ideal for applications requiring momentary ON-OFF contact functions, with a max operating force of 3.5N and DC contact current of 0.02A@15VDC.
SKHMQME010
Alps Electric
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SHARP STEM; Contact Function: OFF-(ON); Solderability: REFLOW;
EVQQ2K03W
The Panasonic EVQQ2K03W is a white keypad switch with stainless steel housing. It offers 1000000 cycles electrical life, 100000000 ohm insulation resistance, and 0.254mm actuator travel. Ideal for applications requiring momentary ON-OFF contact function with 1X1 circuit config and snap action timing.
TL3301NF160QGSSDOME
E-switch
E-switch TL3301NF160QGSSDOME is a SPST keypad switch with 1000000 cycle electrical life. Featuring 0.25mm actuator travel, it has a max operating force of 2.06N and operates at temperatures ranging from -20 to 70°C. Ideal for applications requiring momentary-tactile switch action in various electronic devices.
B32-1600
Omron
Omron B32-1600 Keypad Switch features SPST switch function, 70°C max operating temp, -25°C min operating temp. Ideal for through-hole mounting applications requiring momentary-tactile switch action.
DTSM-63N-V-T/R
Apem Components
DTSM-63N-V-T/R by Apem Components is a brown keypad switch with a single SPST switch. It has an electrical life of 200,000 cycles and can operate in temperatures ranging from -25 to 70°C. This surface mount straight switch is commonly used in various applications requiring momentary tactile action.
FMBP12BF
Nkk Switches
The Nkk Switches FMBP12BF is a MEMBRANE KEYBOARD with 12 switches, rated for 1000000 cycles. It has an insulation resistance of 100M ohm and operates b/w -15 to 50 °C. Ideal for PANEL MOUNT applications requiring MOMENTARY-TACTILE switch action with a max force of 6N and contact current of 0.02A@24VDC.
147873-1
Tyco Electronics Alcoswitch
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Maximum DC Contact Voltage: 24 V; Minimum Operating Temperature: -35 Cel; Maximum Operating Force: 2.26 N;
B3SN-3112P
The Omron B3SN-3112P is a keypad switch with 1 switch, an electrical life of 100000 cycles, and insulation resistance of 100000000 ohms. It is commonly used in applications requiring a momentary-tactile switch with a max operating force of 2.06 N.
B3F-5001
Omron B3F-5001 Keypad Switch features SPST switch function, 10000000 cycle electrical life, and 100000000 ohm insulation resistance. Ideal for applications requiring momentary-tactile switch action with a max operating force of 1.76 N.
1.14.002.111/0000
Rafi & Kg
1.14.002.111/0000 by Rafi & Kg is a SPST Keypad Switch with 1000000 cycles electrical life, hermetically sealed body, and 5.5N max operating force. It is ideal for applications requiring a momentary switch action, such as in surface mount-straight mounting configurations for electronic devices.
EVQPSD02K
The Panasonic EVQPSD02K keypad switch has an electrical life of 100,000 cycles and a max operating force of 2.3N. With SPST switch function and knob type actuator, it is ideal for applications requiring momentary switch action in electronics with a DC contact voltage of up to 12V.
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.
1571528-1
TE Connectivity's 1571528-1 Keypad Switch features SPST switch function, 0.05A max AC/DC contact current, and 1.568N max operating force. With black nylon housing and stainless steel end contact, it is ideal for panel mount applications requiring reliable tactile feedback.
FSM6JH
Tyco Electronics Amp
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Electrical Life: 100000 Cycle(s); Switch Action: MOMENTARY; Manufacturer Series: FSM;
5GSH920Q
5GSH920Q by Apem Components is a keypad switch with POLYPHENYLENE SULPHIDE housing, COPPER TIN ALLOY terminals, and SILVER plating. It has an electrical life of 10M cycles, IP67 sealing, and operates b/w -40 to 160 °C. Ideal for applications requiring a SPST switch with MOMENTARY-TACTILE action in harsh environments.
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