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
$0.919
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1k+
Arrow
1+ parts
$0.898
100+ parts
$0.763
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$0.735
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DigiKey
$0.900
$0.703
$0.593
Chip1Stop
$0.580
Farnell
$0.936
$0.661
$0.547
Element14
$1.510
$1.190
Mouser Electronics
$1.570
$1.180
$1.030
$0.930
Newark
$1.780
$1.250
$0.935
Master Electronics
$0.954
$0.911
Verical
$0.850
PEI Genesis
NEP Electronics
$0.659
TTI
$0.750
$0.720
Nova Conductors
$0.635
Electro Sonic
$0.599
$0.587
IBS Electronics
$2.690
$1.413
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
Length (Actuator):
Actuator Travel (mm):
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Center Contact Material:
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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:
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:
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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.
CR0805-FX-10R0ELF
Bourns
Bourns CR0805-FX-10R0ELF is a SMT fixed resistor with 10 ohm resistance, 1% tolerance, and 0.125 W power dissipation. Ideal for applications requiring a temperature range of -55 to 155 °C, such as automotive electronics and industrial control systems.
SMBJ18CA
Pro-an Electronic
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Clamping Voltage: 29.2 V; Polarity: BIDIRECTIONAL; Nominal Breakdown Voltage: 21.05 V; Maximum Repetitive Peak Reverse Voltage: 18 V;
2N7002DWH6327XTSA1
Infineon Technologies
2N7002DWH6327XTSA1 by Infineon: N-CHANNEL FET with 60V DS Breakdown Voltage, 0.3A ID, and 3ohm RDS. Ideal for SWITCHING applications in small outline packages with GULL WING terminals.
LM317T
Texas Instruments
LM317T by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and max input-output voltage differential of 40V. Operating temperature ranges from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in electronic circuits. With a max output current of 1.5A, this through-hole package regulator is ideal for power supply designs where adjustable voltage levels are needed.
BAV99
Onsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
C1206C104M5RACTU
KEMET Corporation
KEMET C1206C104M5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125°C operating range, and ±20% tolerance. Ideal for surface mount applications in electronics requiring stable capacitance across temperatures.
LFXTAL025159REEL
Iqd Frequency Products
LFXTAL025159REEL by IQD Frequency Products is a 32.768 kHz crystal oscillator with 20 ppm frequency tolerance and 40,000 ohm series resistance. It is ideal for applications requiring precise timekeeping, such as real-time clocks in IoT devices or microcontrollers in wearables. The surface-mount design with a drive level of 1 uW makes it suitable for compact electronic systems.
LL4148
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
2N2222A
Micropac Industries
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
BSS84-7-F
SPC TECHNOLOGY/ MULTICOMP
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Shape: RECTANGULAR; Transistor Element Material: SILICON;
Formosa Microsemi
OPA2277UA/2K5
OPA2277UA/2K5 by Texas Instruments is a dual operational amplifier with low offset voltage of 100 uV and micropower consumption of 0.004 uA. Ideal for industrial applications, it offers high common mode rejection ratio of 140 dB and unity gain bandwidth of 1 MHz. With a compact rectangular package style, it is suitable for surface mount designs in various electronic systems.
BSS138
Panjit International
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Drain-Source On Resistance: 3 ohm; Minimum DS Breakdown Voltage: 50 V; Terminal Form: GULL WING;
Ksl Microdevices
1N4148WS
Hitano Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS-7-F
Diodes Incorporated
1N4148WS-7-F by Diodes Inc. is a single rectifier diode with max reverse recovery time of 0.004 us and max reverse current of 1 uA. It operates b/w -65 to 150 °C, ideal for applications requiring small outline surface mount diodes with a max output current of 0.15 A.
BAV99-7-F
Multicomp Pro
LM555CM
Intersil
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
MMBT2222ALT1G
MMBT2222ALT1G by Onsemi is a NPN BJT transistor with 3 terminals, max power dissipation of 0.3W, and hFE of 75. Ideal for switching applications, it operates b/w -55 to 150 °C with a max collector-emitter voltage of 40V. This surface-mount device has a transition frequency of 300MHz and turn-on time of 35ns.
1N4148WT
Taitron Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
DTSM-31R-V-T/R
Diptronics Manufacturing
DTSM-31R-V-T/R by Diptronics Mfg is a red keypad switch with steel housing. It has 30K electrical life cycles, 100M ohm insulation resistance, and operates b/w -25 to 70°C. Ideal for applications requiring SPST switch function, such as consumer electronics or industrial control systems.
DTS-24N-V
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Type (Actuator): DOMED TYPE; Contact Function: ON-OFF; Packing Method: BAG;
KSC241JLFS
Itt Cannon
KSC241JLFS by ITT Cannon is a SPST keypad switch with 300000 cycles electrical life and IP67 sealing. It has a max DC power rating of 1VA@32VDC, ideal for applications requiring a soft type actuator and momentary-tactile switch action in harsh environments.
FSM4JH
Tyco Electronics Amp
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Minimum Operating Temperature: -35 Cel; Manufacturer Series: FSM; Circuit Config: 1X1;
FSMRACD
TE Connectivity
TE Connectivity's FSMRACD Keypad Switch features SPST switch function, 100000 cycle electrical life, and 0.05A max AC contact current. With a square button actuator and polyamide housing material, it is ideal for panel mount applications requiring momentary-tactile switch action.
KST221GLFS
C & K Components
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Actuator Travel (mm): 1.3;
EVQQ2M01W
Panasonic
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.
KSS231GLFS
KSS231GLFS by ITT Cannon is a SPST keypad switch with 100000 cycle electrical life and 1VA@32VDC DC max power rating. With IP40 sealing, it's ideal for applications requiring momentary-tactile switch action in environments ranging from -40 to 85 °C.
5ETH920NCNO
Apem Components
5ETH920NCNO by Apem Components is a SPDT keypad switch with IP67 sealing, ideal for applications requiring durability. With an electrical life of 1000000 cycles, it operates b/w -40 to 160°C temperatures. Featuring a max DC contact voltage of 24V and a max operating force of 2N, this switch is suitable for various industrial settings.
DTSM-61R-V-T/R
The Apem Components DTSM-61R-V-T/R is a red keypad switch with 100000 cycles electrical life. It operates b/w -25 to 70 °C and has a max DC contact voltage of 12V. Ideal for surface mount applications, it features a pushbutton actuator type and solder termination.
430182043816
Wuerth Elektronik & Kg
430182043816 by Wurth Elektronik is a black keypad switch with stainless steel housing. It features SPST switch function, 1000000 cycle electrical life, and 100000000 ohm insulation resistance. Ideal for applications requiring momentary switch action, such as surface mount straight mounting in electronic devices.
1437566-3
Tyco Electronics Alcoswitch
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; No. of Switches: 1; Terminal Finish: Gold (Au); Maximum Operating Force: 2.26 N;
B3S-1000P
Omron
Omron B3S-1000P Keypad Switch offers 500000 cycles Electrical Life, IP67 Sealing, and 100000000 ohm Insulation Resistance. Ideal for applications requiring SPST Switch Function, such as industrial control panels or electronic devices.
PTS647SM50SMTR2LFS
PTS647SM50SMTR2LFS by C & K Components is a SPST Keypad Switch with 100000 cycle Electrical Life and 100000000 ohm Insulation Resistance. It has a Body Width of 4.5 inch, suitable for applications requiring a MOMENTARY-TACTILE switch function in temperatures ranging from -20 to 70 °C.
MCDTS6-2N
MCDTS6-2N by Multicomp Pro is a SPST keypad switch with 200000 cycles electrical life. Featuring a 6.2mm body width and 3.5mm height, it operates b/w -25°C to 70°C. Ideal for applications requiring a dome type actuator, such as control panels or industrial equipment.
PVA1EEH1
PVA1EEH1 by ITT Cannon is a DPST keypad switch with 100000 cycles electrical life. It operates b/w -40 to 85°C, suitable for various applications. With a max DC contact voltage of 32V and contact resistance of 100 mΩ, it is ideal for through-hole mounting on PCBs.
DTS-65N-V
The Apem Components DTS-65N-V is a SPST keypad switch with 200000 cycles electrical life, 6.35mm actuator travel, and 2.06N max operating force. Ideal for applications requiring momentary-tactile switch action, such as control panels or industrial equipment.
KSA0M911LFT
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Type (Actuator): SHORT HARD PLASTIC TYPE; Solderability: WAVE; PCB Hole Count: 4;
CS11028.0F160
Cit Relay & Switch
CS11028.0F160 by Cit Relay & Switch is a SPST Keypad Switch with SILVER plating, 100000 cycle Electrical Life, and 100000000 ohm Insulation Resistance. Ideal for applications requiring a MOMENTARY-TACTILE switch type, it features NYLON housing and BRASS terminals for durability in temperatures ranging from -40 to 85 °C.
5GSH93522
The Apem Components 5GSH93522 is a keypad switch with POLYPHENYLENE SULPHIDE housing and COPPER TIN ALLOY terminals. Featuring GREEN LED illumination, it has an electrical life of 10M cycles and IP67 sealing, making it ideal for rugged environments. With a max operating force of 3.5N and MOMENTARY-TACTILE switch action, it is suitable for applications requiring reliable tactile feedback and durability.
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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 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;
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