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
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Dielectric Withstand Volts (V): 250VRMS;
Median Price
$0.900
Lifecycle Status
Suppliers In-Stock
20
In-Stock Inventory
1k+
Arrow
1+ parts
$0.898
100+ parts
$0.763
1k+ parts
$0.735
10k+ parts
-
DigiKey
$0.703
$0.593
Chip1Stop
$0.919
$0.580
Farnell
$0.936
$0.661
$0.547
Element14
$1.510
$1.190
Mouser Electronics
$1.530
$1.130
$0.850
$0.776
Newark
$1.730
$1.280
$0.974
Master Electronics
$0.633
$0.589
Verical
PEI Genesis
NEP Electronics
$0.659
TTI
$0.750
$0.720
Nova Conductors
$0.635
Electro Sonic
$0.599
$0.587
IBS Electronics
$0.870
Vyrian
Goldney Electronics S.L.
ComSIT Distribution GmbH
Bristol Electronics
Prism Electronics
Ampacity Inc.
$0.405
Continental Prestige Electronics
$0.622
Argo Parts USA
$0.616
Netroflash
$0.603
$0.591
Perfect Parts
Assy Fe
Authorized Procurement Solutions
Kepictronics
Keypad Switches KST221JLFS attributes and parameters. Explore more Keypad Switches devices from C & K Components
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DC Maximum Power Rating R Load (Contact):
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Maximum DC Contact Voltage:
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Insulation Resistance:
JESD-609 Code:
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KST221JLFS 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.
M39029/56-351
Itt Cannon
CONNECTOR ACCESSORY; MIL Conformity: YES; Terminal Type: WIRE; IEC Conformity: NO; Alternate Contact Sources: ITT CANNON; Associated Military - Specifications: MIL-C-38999;
BAV99+
Multicomp Pro
BAV99+ by Multicomp Pro is a series connected diode with 0.2A output current and 75V peak reverse voltage. Its 0.006us reverse recovery time makes it ideal for high-speed applications. This small outline rectifier diode is designed for surface mount installation in electronic circuits.
2N7002
Teledyne Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JESD-30 Code: R-PDSO-G3; Maximum Operating Temperature: 150 Cel; No. of Terminals: 3;
SS14
Promax-johnton
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
Onsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM358N
Philips Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
RK73H2ATTD10R0F
Koa Speer Electronics
RK73H2ATTD10R0F by Koa Speer Electronics is a 0805 SMT fixed resistor with 10 ohm resistance, 1% tolerance, and 0.25 W power dissipation. Ideal for surface mount applications in automotive electronics due to its AEC-Q200 reference standard and operating voltage of 150 V.
Rochester Electronics
CRCW080510K0FKEA
Vishay Intertechnology
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.
Micro Commercial Components
FDN306P
FDN306P by Onsemi is a P-CHANNEL FET with 12V DS Breakdown Voltage, ideal for SWITCHING applications. It features SINGLE configuration with BUILT-IN DIODE and GULL WING terminals. Operating in ENHANCEMENT MODE, it has a max ID of 2.6A and 0.04 ohm RDS(on), suitable for small outline packages at temperatures ranging from -55 to 150°C.
LM107H/883
Linear Technology
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Technology: BIPOLAR;
ULN2803ADW
Texas Instruments
ULN2803ADW by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates b/w -40 to 85 °C and has a max supply voltage of 3 V. Ideal for applications requiring buffer or inverter-based peripheral drivers with sink current flow direction.
ABS10-32.768KHZ-T
Abracon
Abracon's ABS10-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 122% stability, and 70000 ohm series resistance. Ideal for applications requiring precise timing at 0.032768 MHz, such as IoT devices and wearables due to its compact size and low power consumption.
1N4148
Tak Cheong Electronics Holdings
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
2N2222A
Vishay Sprague
NPN; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JEDEC-95 Code: TO-18; Maximum Collector-Emitter Voltage: 40 V;
General Semiconductor
Solid State Devices
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LAN8720AI-CP-TR
Standard Microsystems
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
4554
Jw Miller Magnetics
Other Semiconductors;
B3S-1100P
Omron
Omron B3S-1100P keypad switch offers 500000 cycles electrical life, IP67 sealing, and 100000000 ohm insulation resistance. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -25 to 70 °C.
TL1105SPF160Q94VO
E-switch
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Circuit Config: 1X1; Body Length/Diameter: 6 mm; Electrical Life: 100000 Cycle(s);
87CC3-201
Grayhill
Grayhill's 87CC3-201 keypad switch features SPST function, 3000000 cycle electrical life, and 1000000000 ohm insulation resistance. Ideal for keyboard applications with OFF-(ON) contact function, this white switch has a 0.2794mm actuator travel and operates b/w -40 to 80 °C temperatures.
KT11P2JM34LFS
C & K Components
KT11P2JM34LFS by C & K Components is a SPST Keypad Switch with SILVER plating. It has an Electrical Life of 100000 cycles, DC Max Power Rating of 1VA@32VDC, and Insulation Resistance of 1000000000 ohm. Ideal for applications requiring a MOMENTARY-TACTILE switch action in harsh environments due to its IP57 sealing and MIL-STD solderability.
KSA0M332LFT
KSA0M332LFT by C & K Components is a SPST Keypad Switch with 1000000 cycles Electrical Life, IP65 Sealing, and 1 ms Max Contact Bounce Time. Ideal for applications requiring a reliable switch with short actuator travel, such as industrial control panels or medical devices.
TL1105RF160Q94VO
TL1105RF160Q94VO by E-switch is a SPST Keypad Switch with 100000 cycles electrical life. Featuring SILVER plating, it has an actuator travel of 0.25mm and operates b/w -20 to 70°C. Ideal for applications requiring a momentary-tactile switch with 2.06N max operating force.
MX1A-11DN
The Cherry
The Cherry MX1A-11DN keypad switch features SPST switch function, 4.2926mm actuator travel, and 0.5894N max operating force. Ideal for applications requiring OFF-(ON) contact function with 12VAC/DC max ratings and thermoplastic housing material.
EVQP7B01K
Panasonic
The Panasonic EVQP7B01K is a SPST Keypad Switch with 100000 cycles electrical life. It operates b/w -20 to 70°C, with a max DC contact voltage of 12V and max current of 0.05A. Ideal for surface mount-right angle applications requiring momentary switch action and solder termination.
MJTP1236G
Apem Components
MJTP1236G by Apem Components is a black keypad switch with a stainless steel housing. It has a single switch and features a snap action contact timing. This switch is commonly used in applications that require momentary-tactile switch action.
TS03-66-95-BK-260-LCR-D-67
Cui Devices
TS03-66-95-BK-260-LCR-D-67 by CUI Devices is a SPST Keypad Switch with IP67 sealing, suitable for applications requiring durability. It offers an electrical life of 60000 cycles, insulation resistance of 100M ohm, and a max operating force of 2.55N. Ideal for environments with temperatures ranging from -30 to 80°C, this switch features a stem actuator in yellow color and polyamide66 housing material.
EVPBB0AAB000
Keypad Switches;
EVQQ2W02W
The Panasonic EVQQ2W02W keypad switch offers 200000 cycles electrical life, 100000000 ohm insulation resistance, and 10 ms contact bounce time. Ideal for applications requiring a SPST switch function with ON-OFF contact function, such as consumer electronics or industrial control systems.
B3W-9002-RG2C
Omron's B3W-9002-RG2C keypad switch offers 300K cycles electrical life, with green and red LED illumination. Ideal for applications requiring a plunger-type SPST switch with 100M ohm insulation resistance. Operating temperatures range from -25 to 70°C, making it suitable for various industrial settings.
1301.9318
Schurter Ag
1301.9318 by Schurter Ag is a SPST Keypad Switch with BRASS terminals, 100000 cycles electrical life, and 2.1N max operating force. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -20 to 70°C.
KSR221GLFS
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.
EVQP7A01K
The Panasonic EVQP7A01K is a black keypad switch with 100000 cycle electrical life and 100000000 ohm insulation resistance. It has a pushbutton type actuator with 0.2032mm travel, suitable for applications requiring momentary switch action in temperatures ranging from -20 to 70 °C.
EVPASDB1A
KEYPAD SWITCH; Manufacturer Series: EVPAS;
5GTH93522
The Apem Components 5GTH93522 keypad switch features a POLYPHENYLENE SULPHIDE housing, COPPER TIN ALLOY terminals, and GREEN LED illumination. With an IP67 sealing rating, it is ideal for applications requiring a SPST switch function in environments with temperatures ranging from -30 to 85 °C. The switch offers a max DC contact voltage of 24V and an electrical life of 10M cycles.
3-1825910-6
Tyco Electronics Amp
The Tyco Electronics Amp 3-1825910-6 Keypad Switch offers SPST switch function, 100000 cycles electrical life, and 5.99mm body width. Ideal for applications requiring a momentary switch with a max operating force of 3.04N, such as control panels or industrial equipment. Operating temperatures range from -35°C to 85°C for versatile use.
1301.9320.24
1301.9320.24 by Schurter Ag is a SPST Keypad Switch with 100000 cycles electrical life, 2.1N max operating force, and IP40 sealing. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -20°C to 70°C.
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KST221JLFS
ITT Cannon
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; DC Maximum Rating R Load (Contact): .01A@32VDC; Body Height: 2.6 mm;
KST221GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Actuator Travel (mm): 1.3;
KST221GLFS by ITT Cannon is a 6.2mm keypad switch with SPST function, IP40 sealing, and soft type actuator. It operates b/w -40°C to 85°C, suitable for surface mount applications requiring 2N operating force and 0.01A@32VDC contact rating. Ideal for electronics requiring momentary-tactile switch action in tape and reel packaging.
KST221G
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Termination Type: SOLDER;
KST221J
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Maximum DC Contact Current: .05 A;
KST241G
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Maximum Operating Temperature: 85 Cel;
KST241J
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; End Contact Material: SILVER;
KST221GLFG
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Maximum DC Contact Voltage: 32 V;
KST221JLFG
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; DC Maximum Power Rating R Load (Contact): 1VA@32VDC;
KST241GLFG
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Sealing: IP40;
KST241JLFG
KST241GLFS
KST241JLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Additional Features: TAPE/REEL PKG.;
KST241JTBLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Minimum Operating Temperature: -40 Cel;
Supply Digital Components
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