Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
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Featured manufacturers
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Dielectric Withstand Volts (V): 250VRMS;
Median Price
$0.900
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Arrow
1+ parts
$0.898
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$0.763
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$0.735
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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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Insulation Resistance:
JESD-609 Code:
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No. of Switches:
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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.
1N4148W-7-F
Diodes Incorporated
1N4148W-7-F by Diodes Inc. is a single rectifier diode with 0.715V max forward voltage and 100V max reverse voltage. Ideal for applications requiring fast switching speeds, it has a small outline package style and matte tin terminal finish, making it suitable for surface mount PCB designs.
1N4148
Microchip Technology
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
BAV99
Kingwell Technonlogy
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
MMBT3906LT1G
Onsemi
MMBT3906LT1G by Onsemi is a PNP BJT with VCEsat of 0.4V, hFE of 30, and fT of 250MHz. Ideal for small signal applications in electronics due to its low power dissipation, high transition frequency, and compact SOT-23 package. Suitable for use in temperature-sensitive environments with an operating range from -65°C to 150°C.
2N2222A
Micro Commercial Components
Small Signal Bipolar Transistors; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JESD-609 Code: e0;
LAN8720A-CP-TR
LAN8720A-CP-TR by Microchip: Ethernet transceiver with 100 Mbps data rate, operates at 3.3V, and consumes 54mA max supply current. Ideal for network interfaces in commercial applications due to its small size (4x4mm) and low power consumption.
Nexperia
LM358MX
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
Baneasa S A
1N4148WS
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
C0603C104K5RACTU
KEMET Corporation
KEMET C0603C104K5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V URdc. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications requiring compact size and reliable performance in various electronic circuits.
ULN-2803A
Sprague Electric
BUFFER OR INVERTER BASED PERIPHERAL DRIVER; Temperature Grade: OTHER; Terminal Form: THROUGH-HOLE; No. of Terminals: 18; Package Code: DIP; Package Shape: RECTANGULAR;
Asi Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
STM32H743XIH6
STMicroelectronics
STM32H743XIH6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, 36-Ch 16-Bit ADC, and 2-Ch 12-Bit DAC. It operates at up to 48 MHz, has 1085440 bytes of RAM, and offers connectivity options like CAN, I2C, USB. Ideal for industrial applications requiring high-performance processing and extensive peripheral support.
Vishay Intertechnology
Vishay Intertechnology's 1N4148WS is a single rectifier diode with a max forward voltage of 1V and output current of 0.15A. With a fast reverse recovery time of 0.004us, it operates up to 150°C. Ideal for applications requiring high-speed switching and low power consumption in surface mount configurations.
LM107H
Raytheon Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Low-Offset: NO;
Forward International Electronics
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Maximum Reverse Recovery Time: .004 us; Maximum Operating Temperature: 200 Cel; No. of Phases: 1;
2N7002
Central Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Maximum Drain Current (ID): .115 A; Maximum Drain Current (Abs) (ID): .115 A;
MBR0520LT1
MBR0520LT1 by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.385V and output current of 0.5A. It operates b/w -65°C to 125°C, making it suitable for applications requiring low power consumption in compact electronic devices. This single-configured diode is surface mountable and has a max repetitive peak reverse voltage of 20V, ideal for small outline package designs.
DTSA-65N-V
Apem Components
The Apem Components DTSA-65N-V is a keypad switch with a single SPST switch and an electrical life of 200,000 cycles. It has a body width of 7.1882 inches and is commonly used in applications requiring momentary-tactile switch action.
RA3CTH9
RA3CTH9 keypad switch by Apem Components features a POLYBUTYLENE TEREPHTHALATE housing and COPPER ALLOY terminals, with an electrical life of 10M cycles. With IP67 sealing, it operates b/w -40 to 160 °C, suitable for applications requiring a MOMENTARY KEYPAD SWITCH with 1X1 circuit config and 3N operating force.
KMR231GLFS
C & K Components
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Solderability: REFLOW; Maximum Operating Force: 3.75 N; Packing Method: TR, 13 INCH;
5GTH92022
5GTH92022 by Apem Components is a keypad switch with POLYPHENYLENE SULPHIDE housing, COPPER TIN ALLOY terminals, and GREEN LED illumination. It has an electrical life of 10M cycles, IP67 sealing, and operates b/w -30 to 85 °C. Ideal for applications requiring a SPST switch with SILVER contacts and MOMENTARY-TACTILE action.
B3W-9000-Y1N
Omron
The Omron B3W-9000-Y1N is a keypad switch with 1 switch and a yellow LED illumination. 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 handle a max DC contact current of 0.05A at 24VDC.
KSC441V2SPDELTALFS
KSC441V2SPDELTALFS by C & K Components is a keypad switch with IP67 sealing, 300000 cycle electrical life, and 1VA@32VDC DC max power rating. Ideal for applications requiring a long type actuator, this SPST switch has a momentary-tactile switch action and operates within -40 to 85 °C temperature range.
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.
TL1105SF160QZBRACKET
E-switch
KEYPAD SWITCH;
MSLPT5252BL1MTR
TE Connectivity
TE Connectivity's MSLPT5252BL1MTR is a SPST Keypad Switch with SILVER actuator and POLYETHYLENE housing. It operates b/w -25 to 70 °C, with 0.05 A AC/DC contact current. Ideal for panel mounting applications requiring 0.686 N operating force.
PTS636SP43SMTRLFS
PTS636SP43SMTRLFS by C & K Components is a black keypad switch with an electrical life of 20,000 cycles and insulation resistance of 100M ohm. It operates b/w -40 to 90°C, has a max DC contact voltage of 12V, and is sealed to IP40 standards. Ideal for applications requiring a momentary-tactile switch function in compact spaces.
B3F-3100
The Omron B3F-3100 Keypad Switch offers 1000000 cycles Electrical Life, 7.4mm Body Height, and 1.27N Max Operating Force. Ideal for applications requiring a SPST switch with OFF-(ON) Contact Function and 0.05A@24VDC DC Max Rating R Load.
5ETH935+1YS0616
5ETH935+1YS0616 by Apem Components is a keypad switch with PPS housing, IP67 sealing, and SPST switch function. It has an electrical life of 10M cycles and insulation resistance of 10M ohm. Ideal for applications requiring a durable and reliable keypad switch in harsh environments.
PTS645VL312LFS
PTS645VL312LFS by C & K Components is a SPST keypad switch with 100000 cycle electrical life and 100000000000 ohm insulation resistance. It has a max operating temperature of 60°C and min of -20°C, making it suitable for various applications requiring reliable tactile feedback and durability. With a compact body width of 6.2 inch, this switch is ideal for PCB designs with its through-hole-right angle mounting feature.
434331013822
Wuerth Elektronik & Kg
Wurth Elektronik 434331013822 is a white keypad switch with stainless steel housing. It has SPST switch function, 100000 cycle electrical life, and 0.2mm actuator travel. Ideal for applications requiring momentary-tactile action, such as surface mount-right angle mounting in electronic devices.
MX1A-21NW
The Cherry MX1A-21NW keypad switch features SPST switch function, 4.2926mm actuator travel, and 0.01A@12VAC AC max rating R load. Ideal for applications requiring OFF-(ON) contact function with solvent washability and through hole-straight mounting feature.
MX1A-11NW
Zf Friedrichshafen Ag
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Type (Actuator): KEYSTEM; Maximum DC Contact Voltage: 12 V; Termination Type: SOLDER;
JJJHLUG200NOPMRTR
TE Connectivity's JJJHLUG200NOPMRTR is a BROWN SPST Keypad Switch with 0.05A AC/DC contact current. Featuring STAINLESS STEEL end contacts and SILVER plating, it is ideal for PANEL MOUNT applications requiring OFF-(ON) functionality.
ADTSMW64NVT/R
ADTSMW64NVT/R by Apem Components is a SPST keypad switch with a stainless steel housing and brass terminals. It has an electrical life of 500,000 cycles and insulation resistance of 100M ohm. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -25°C to 70°C.
PTS525SK10SMTRLFS
Itt Cannon
ITT Cannon's PTS525SK10SMTRLFS keypad switch offers SPST function with 100000 cycles. With a body width of 5.25in and height of 1.5mm, it operates b/w -40 to 60°C. Ideal for applications requiring momentary-tactile action, such as consumer electronics or industrial control systems.
FSM8JRT
TE Connectivity's FSM8JRT Keypad Switch features SPST switch function, 100000 cycles electrical life, and 1.568N max operating force. Ideal for panel mounting applications with a max DC contact voltage of 24V and -40 to 105°C operating temperature range.
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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;
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