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
KSEK43GLFS by C & K Components is a SPST keypad switch with IP67 sealing, suitable for surface mount applications. It has an electrical life of 300,000 cycles and a max DC contact voltage of 32V. With a compact body width of 6.2mm and height of 2.9mm, it operates within a temperature range of -40 to 85°C.
Median Price
$0.218
Lifecycle Status
Suppliers In-Stock
15
In-Stock Inventory
1k+
DigiKey
1+ parts
$0.510
100+ parts
$0.339
1k+ parts
$0.292
10k+ parts
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Farnell
$0.204
Element14
$0.518
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Newark
$0.274
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TTI Europe
$0.168
Arrow
$0.040
Verical
Master Electronics
$0.258
$0.228
Chip1Stop
$0.210
$0.177
Nova Conductors
$0.265
Vyrian
Electro Sonic
$0.236
$0.208
IBS Electronics
$0.402
$0.388
TME
$0.273
$0.252
Diverse Electronics
Semicontronic
$0.143
$0.139
Argo Parts USA
$0.257
Netroflash
$0.247
Continental Prestige Electronics
$0.260
Aztec Data Supply Inc.
$2.350
Assy Fe
Glotronic Ltd.
GreenTree Electronics
Infinite Electronics LLP (Excess)
Authorized Procurement Solutions
Futuretech Components
Allows for easy and efficient soldering during production, ensuring a reliable connection.
Long electrical life ensures durability and longevity of the switch, making it a reliable choice for frequent use.
Capable of handling a maximum power rating of 1VA at 32VDC, making it suitable for various electrical applications.
High insulation resistance prevents leakage and ensures safe and reliable operation of the switch.
IP67 sealing provides protection against dust and water ingress, making it suitable for use in harsh environments.
Single Pole Single Throw (SPST) switch function provides a simple on/off operation, suitable for basic control applications.
High maximum operating temperature of 85°C allows the switch to be used in a wide range of environmental conditions.
Low minimum operating temperature of -40°C ensures the switch can function in cold environments without issue.
Provides a tactile feedback with an actuator travel of 0.3mm, enhancing the user experience and confirming input.
Can safely handle a maximum DC contact voltage of 32V, suitable for low voltage applications.
High dielectric strength of 250VAC ensures safe operation and prevents electrical breakdown.
Simple circuit configuration of 1X1 provides basic functionality for various applications.
Compact body size of 6.25mm allows for easy integration into various devices and control panels.
Low contact bounce time of 1ms ensures stable and accurate switching operation, reducing the risk of errors.
With a maximum operating force of 3N, the switch provides a tactile feel for reliable actuation.
Can handle a maximum DC rating of 0.05A at 32VDC, suitable for low current applications.
The actuator length of 0.055 inch allows for precise input control and feedback.
Capable of handling a maximum DC contact current of 0.05A, suitable for low current applications.
Provides a momentary tactile switch action, allowing for quick and responsive input.
Solder termination type simplifies installation and ensures a secure connection for reliable operation.
Low contact resistance of 100mohm ensures efficient electrical conductivity and minimal power loss.
Surface mount straight mounting feature allows for easy and secure installation on PCBs or control panels.
Keypad Switches KSEK43GLFS attributes and parameters. Explore more Keypad Switches devices from C & K Components
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KSEK43GLFS 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.
C0805C104K5RACTU
KEMET Corporation
KEMET C0805C104K5RACTU 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 ±10% tolerance. Ideal for surface mount applications in electronics requiring compact size and reliable performance.
LM317LMX/NOPB
Texas Instruments
LM317LMX/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max input-output voltage differential of 40V. It operates in temperatures ranging from -40°C to 125°C and has a max output current of 0.1A, making it suitable for various applications requiring precise voltage regulation.
SMBJ18CA
Synsemi
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
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.
LM555CM
LM555CM by Texas Instruments is an Analog Waveform Generation IC with a supply voltage range of 4.5V to 16V and max operating temperature of 70°C. It comes in a small outline package, suitable for applications requiring pulse generation or rectangular waveform outputs. With surface mount capability and low supply current of 15mA, it is ideal for commercial-grade electronic circuits.
LM2931Z-5.0G
Onsemi
LM2931Z-5.0G by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V output voltage, 0.6V dropout voltage, and 0.1A output current. It is ideal for applications requiring stable power supply in temperature-sensitive environments due to its operating range of -40°C to 125°C.
KSZ9031RNXIC
Microchip Technology
KSZ9031RNXIC by Microchip Technology is a network interface chip with 1 transceiver. It operates at a data rate of 1000 Mbps and has a nominal voltage of 1.2V. This chip is commonly used in industrial applications requiring Ethernet connectivity.
1N4148
Comchip Technology
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
2N2222A
Forward International Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .6 A;
SS14
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Space Power Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
MBR0520LT1G
MBR0520LT1G 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, has a peak reflow temperature of 260°C, and a repetitive peak reverse voltage of 20V. This diode is ideal for applications requiring high-speed switching in compact electronic devices.
SN65HVD234DR
SN65HVD234DR by Texas Instruments is an 8-terminal interface circuit with a data rate of 1 Mbps. Operating temperature ranges from -40 to 125 °C, making it ideal for automotive applications. With a supply voltage of 3.3 V and low current draw of 6 mA, it's suitable for network interfaces in compact designs.
LM358N
Samsung
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
LM317T
STMicroelectronics
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; JESD-30 Code: R-XSFM-T3; Minimum Input-Output Voltage Differential: 3 V;
IRLML6401TRPBF
International Rectifier
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 1.3 W; Minimum Operating Temperature: -55 Cel; Avalanche Energy Rating (EAS): 33 mJ;
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 %;
LM358AN
TM4C1294NCPDTI3
TM4C1294NCPDTI3 by Texas Instruments is a 32-bit microcontroller with Cortex-M4F CPU family. It features 8KB data EEPROM, 20-Ch 12-Bit ADC channels, and 32 DMA channels. Ideal for industrial applications requiring high-speed processing, it offers connectivity options like CAN, Ethernet, I2C, SPI, UART, and USB.
AT90CAN128-16AU
Atmel
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 64; Package Code: TQFP; Package Shape: SQUARE;
KSR251GLFS
C & K Components
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Body Width: 3.8 inch;
FSM6JSMA
TE Connectivity
TE Connectivity's FSM6JSMA is a black keypad switch with polyamide housing. It offers SPST switch function, 100000 electrical life cycles, and 1.568N max operating force. Ideal for panel mounting applications in various industries due to its momentary-tactile switch action and copper alloy end contact material.
KSS243GLFG
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-RIGHT ANGLE; Switch Function: SPST; Type (Actuator): STANDARD TYPE; Solderability: REFLOW; Maximum DC Contact Current: .01 A;
PTS645SM70SMTR92LFS
PTS645SM70SMTR92LFS by C & K Components is a SPST keypad switch with 100000 cycle electrical life and 100000000000 ohm insulation resistance. With a max operating force of 1.57N, it is ideal for applications requiring momentary-tactile switch action in temperatures ranging from -20 to 60°C.
KMR232NGULCLFS
KMR232NGULCLFS by C & K Components is a SPST keypad switch with 300000 cycles electrical life and 1VA@32VDC DC max power rating. It has a sealing of IP40, suitable for applications requiring momentary-tactile switch action in environments with temperatures ranging from -40 to 85 °C.
KS12R22CQD
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPDT; Contact Function: ON-(OFF); Solderability: MIL-STD; Minimum Operating Temperature: -30 Cel;
5GTH93522
Apem Components
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.
EVQ3P202K
Panasonic
The Panasonic EVQ3P202K is a black keypad switch with 200000 cycles electrical life. Featuring 2.5mm actuator travel and 100000000 ohm insulation resistance, it's ideal for applications requiring ON-OFF contact function and momentary switch action. With a max operating force of 5N, this surface mount-straight switch operates b/w -40°C to 85°C temperature range.
MSLPT5252BL4MTR
TE Connectivity's MSLPT5252BL4MTR is a SPST Keypad Switch with SILVER actuator. It has a max operating force of 2.548N, suitable for PANEL MOUNT applications. With POLYETHYLENE housing and STAINLESS STEEL end contact material, it operates b/w -25°C to 70°C temperature range.
EVQQ2K03W
The Panasonic EVQQ2K03W is a white keypad switch with stainless steel housing. It offers 1000000 cycles electrical life, 100000000 ohm insulation resistance, and 0.254mm actuator travel. Ideal for applications requiring momentary ON-OFF contact function with 1X1 circuit config and snap action timing.
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.
KSC421G70SHLFS
KSC421G70SHLFS by C & K Components is a SPST keypad switch with SILVER terminal material and 300000 cycle electrical life. With IP67 sealing, it's ideal for applications requiring a soft type actuator, such as in environments with temperatures ranging from -40 to 85 °C.
SKHHAQA010
Alps Alpine
Alps Alpine SKHHAQA010 is a RED SPST Keypad Switch with 200000 cycles Electrical Life. Featuring 0.25mm Actuator Travel, it operates b/w -40 to 90 °C. Ideal for applications requiring MOMENTARY-TACTILE switch action and THROUGH HOLE-STRAIGHT mounting with 2.55N Max Operating Force.
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.
3-1437565-0
TE Connectivity 3-1437565-0 is a gray keypad switch with copper alloy terminals. With an electrical life of 100k cycles, it has a sealing rating of molded for durability. Ideal for panel mounting applications, it offers SPST switch function and operates b/w -35°C to 85°C.
ADTS61RV
ADTS61RV by Apem Components is a red keypad switch with a stainless steel housing. It has a single switch and a thermoplastic actuator with an actuator travel of 0.254mm. This switch is commonly used in applications that require momentary-tactile action, such as control panels or industrial equipment.
5ESH935+1YS0616
KEYPAD SWITCH;
DTSM-65N-V-T/R
The Apem Components DTSM-65N-V-T/R is a brown keypad switch with SPST function, 200000 cycle electrical life, and 2.06N max operating force. Ideal for surface mount applications requiring momentary-tactile switch action at temperatures ranging from -25°C to 70°C.
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.
5GTH92022Q
5GTH92022Q 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 function with momentary-tactile action and through hole-straight mounting.
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KSEK43JLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Solderability: REFLOW; Sealing: IP67; Minimum Operating Temperature: -40 Cel;
Supply Digital Components
$106.00
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