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; Actuator Travel (mm): 1.3;
Median Price
$1.138
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Suppliers In-Stock
9
In-Stock Inventory
1k+
DigiKey
1+ parts
$1.620
100+ parts
$1.132
1k+ parts
$0.993
10k+ parts
-
Master Electronics
$1.036
$0.987
Verical
$1.240
Avnet
$0.657
$0.534
Nova Conductors
$0.618
Electro Sonic
$1.507
$0.990
$0.867
$0.701
IBS Electronics
$1.537
$1.452
Vyrian
Semi Source
Continental Prestige Electronics
$0.606
Argo Parts USA
$0.599
Netroflash
Component Stockers USA
$1.010
$0.770
$0.620
Ampacity Inc.
$1.180
Advanced Electronics
$1.338
$1.218
$1.097
Assy Fe
Perfect Parts
Authorized Procurement Solutions
Futuretech Components
Keypad Switches KST221GLFS attributes and parameters. Explore more Keypad Switches devices from C & K Components
Length (Actuator):
Actuator Travel (mm):
Type (Actuator):
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Body Width:
Body Height:
Body Length/Diameter:
Center Contact Material:
Circuit Config:
Maximum Contact Bounce Time:
Maximum DC Contact Current:
DC Maximum Power Rating R Load (Contact):
DC Maximum Rating R Load (Contact):
Contact Resistance:
Maximum DC Contact Voltage:
Dielectric Withstand Volts (V):
Electrical Life:
End Contact Material:
Insulation Resistance:
JESD-609 Code:
Mounting Feature:
No. of Switches:
Maximum Operating Force:
Maximum Operating Temperature:
Minimum Operating Temperature:
Packing Method:
Sealing:
Solderability:
Switch Action:
Switch Function:
Switch Type:
Terminal Finish:
Termination Type:
KST221GLFS 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.
LM317T/NOPB
National Semiconductor
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; JESD-609 Code: e3; Package Shape: RECTANGULAR;
2N7002
General Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JEDEC-95 Code: TO-236AB; Qualification: Not Qualified; Package Style (Meter): SMALL OUTLINE;
LM358AN
Philips Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
BAV99
SPC TECHNOLOGY/ MULTICOMP
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Siemens
SS495ASP
Micro Switch
The Micro Switch SS495ASP is an analog circuit IC with a supply voltage range of 4.5V to 10.5V, suitable for automotive applications. Its package body material is plastic/epoxy, and it has a rectangular shape with three terminals. Operating temperature ranges from -40°C to 125°C, making it ideal for various automotive sensor and control systems.
CGA3E2X7R1H104K080AA
TDK
CGA3E2X7R1H104K080AA by TDK is a fixed ceramic capacitor with a capacitance of 0.1 uF and a rated DC voltage of 50 V. It has a temperature coefficient of 15% and can operate at temperatures ranging from -55 to 125 °C. This capacitor is commonly used in surface mount applications for various electronic devices.
L78L05ABZ-AP
STMicroelectronics
L78L05ABZ-AP by STMicroelectronics is a BIPOLAR fixed positive single output standard regulator with an operating temperature range of -40 to 125°C. It has a nominal output voltage of 5V, max load regulation of 0.06%, and can handle a max output current of 0.07A. Ideal for applications requiring stable voltage regulation in various electronic devices.
1N4148
Diotec Semiconductor Ag
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LM358N
2N2222A
Central Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Transistor Application: SWITCHING; Transistor Element Material: SILICON;
BSS138BK,215
Nexperia
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Peak Reflow Temperature (C): 260; Additional Features: LOGIC LEVEL COMPATIBLE; Maximum Operating Temperature: 150 Cel;
350766-1
TE Connectivity
TE Connectivity 350766-1 is a rectangular power connector with 0.25" mating contact pitch, rated for 600V and operating temperatures from -55 to 105°C. It has a durable design with POLYAMIDE insulator material, suitable for commercial applications requiring secure crimp termination in cable mounting setups.
STM32H743BIT6
STM32H743BIT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, 208 terminals, and 1085440 bytes of RAM. It features 2 DAC channels, 32 ADC channels, and operates at a max clock frequency of 48 MHz. Ideal for industrial applications requiring high-speed processing and extensive peripheral connectivity.
BSS138PS,115
N-CHANNEL; Configuration: SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE; Surface Mount: YES; No. of Elements: 2; No. of Terminals: 6; Minimum DS Breakdown Voltage: 60 V;
Secos
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .6 A; JEDEC-95 Code: TO-92;
1N4148WS
Meritek Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MS3V-T1R32.768KHZ+/-20PPM12.5PF
Golledge Electronics
MS3V-T1R32.768KHZ+/-20PPM12.5PF by Golledge Electronics is a crystal oscillator with 20 ppm frequency tolerance, 126% stability, and 12.5 pF load capacitance. It is ideal for applications requiring precise timing in temperature-sensitive environments due to its -40 to 85 °C operating range.
Shanghai Lunsure Electronic Technology
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JESD-30 Code: O-MBCY-W3;
LM317T
Sgs-ates Componenti Electronici S P A
Other Regulators; No. of Terminals: 3; JESD-609 Code: e0; Terminal Position: SINGLE; Adjustability: ADJUSTABLE; Maximum Load Regulation (%): 1.5 %;
EVQP40B3M
Panasonic
KEYPAD SWITCH; Manufacturer Series: EVQP4;
TL2243RED
E-switch
TL2243RED by E-switch is a red keypad switch with 2 switches, SPST function, and 0.25mm actuator travel. It has an electrical life of 30K cycles and insulation resistance of 100M ohm. Ideal for applications requiring momentary-tactile switch action in environments ranging from -20°C to 70°C.
PTS636SK25SMTRLFS
C & K Components
PTS636SK25SMTRLFS by C & K Components is a red keypad switch with SPST function. It has an electrical life of 100,000 cycles and insulation resistance of 100M ohm. With sealing rating of IP40, it is suitable for applications requiring momentary-tactile switch action in temperatures ranging from -40 to 90°C.
1571527-2
TE Connectivity's 1571527-2 Keypad Switch features SPST switch function, 200000 electrical life cycles, and 0.98N max operating force. Ideal for panel mounting applications with a max DC contact voltage of 24V and -35 to 85°C operating temperature range.
B3SN-3012
Omron
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.
FSM6JH
TE Connectivity's FSM6JH Keypad Switch features SPST switch function, 0.05A max AC/DC contact current, and 1.568N max operating force. With a nylon housing and blue actuator color, it is ideal for panel mount applications requiring reliable tactile feedback.
5GTH93542
Apem Components
5GTH93542 by Apem Components is a keypad switch with POLYPHENYLENE SULPHIDE housing, COPPER TIN ALLOY terminals, and YELLOW LED illumination. It has an electrical life of 10M cycles and IP67 sealing, suitable for applications requiring a SPST switch function in harsh environments. Operating temperatures range from -30°C to 85°C, making it ideal for industrial control panels.
EVQPLHA15
EVQPLHA15 by Panasonic is a keypad switch with a single switch and a long electrical life of 500,000 cycles. It has a compact body width of 4.9mm and is suitable for surface mount applications.
1241.1600.11
Schurter Ag
Schurter Ag's 1241.1600.11 Keypad Switch offers SPST switch function with 1000000 cycles electrical life. Features include brass terminals, gold over nickel plating, and polyamide insulator material. Ideal for applications requiring momentary-tactile switch action in a compact design with IP40 sealing.
B3F-3120
The Omron B3F-3120 is a black keypad switch with a flat plunger type actuator. It has an electrical life of 1,000,000 cycles and insulation resistance of 100,000,000 ohms. This switch is commonly used in applications requiring momentary-tactile action and can withstand temperatures from -25°C to 70°C.
EVQQ2M01W
The Panasonic EVQQ2M01W keypad switch offers 1000000 cycles electrical life with 100000000 ohm insulation resistance. Featuring SPST switch function, it operates b/w -40 to 85 °C and has a max DC contact voltage of 15V. Ideal for applications requiring ON-OFF contact function with snap action timing.
KSC351JLFS
Itt Cannon
KSC351JLFS by ITT Cannon is a SPST keypad switch with 100000 cycle electrical life and IP67 sealing, suitable for surface mount applications. It has a max DC contact voltage of 32V and a max operating force of 5.5N, making it ideal for use in rugged environments requiring reliable tactile feedback. With SILVER end contact plating and termination type SOLDER, this switch offers high insulation resistance of 1Gohm and operates within a temperature range of -40 to 85°C.
FSM4JH
TE Connectivity's FSM4JH is a black keypad switch with SPST function. Made of nylon, it has a max AC/DC contact current of 0.05 A and operating force of 1.568 N. Ideal for panel mounting applications requiring momentary-tactile switch action in various industries.
147873-2
Tyco Electronics Alcoswitch
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Packing Method: TAPE AND REEL; Minimum Operating Temperature: -35 Cel; Terminal Finish: Silver (Ag);
SKSGACE010
Alps Alpine
Alps Alpine SKSGACE010 is a NATURAL color SPST KEYPAD SWITCH with 200000 cycle Electrical Life. It has 1.6N Max Operating Force and operates b/w -30 to 85 °C, making it ideal for applications requiring MOMENTARY-TACTILE switch action in various electronic devices.
147694-1
Tyco Electronics Amp
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Body Height: 3.6 mm; Terminal Finish: SILVER; Body Width: 6.19 inch;
1825955-6
TE Connectivity 1825955-6 is a black Keypad Switch with SPST function. Made of Polyamide, it has an electrical life of 100000 cycles and operates b/w -35 to 85°C. Ideal for panel mounting applications requiring momentary switch action with max DC contact current of 0.05A at 24VDC.
B3F-3150
Omron B3F-3150 is a white Keypad Switch with 1000000 cycles electrical life. Featuring SPST switch function, it has 7.4mm body height and operates b/w -25 to 70°C. Ideal for applications requiring momentary-tactile switch action and 90° actuator angle, with gold terminal finish and silver contact plating.
5GSH93529
The Apem Components 5GSH93529 keypad switch features a POLYPHENYLENE SULPHIDE housing, COPPER TIN ALLOY terminals, and GREEN LED illumination. With an electrical life of 10M cycles, it is ideal for applications requiring a durable and reliable SPST switch with IP67 sealing. Suitable for use in environments with temperatures ranging from -30 to 85°C.
B3F-1000
Omron B3F-1000 Keypad Switch features SPST switch function, 1.27N max operating force, and 1000000 cycles electrical life. Ideal for applications requiring momentary-tactile switch action with 24VDC 0.05A max rating.
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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;
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Dielectric Withstand Volts (V): 250VRMS;
KST221GLFS
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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