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
$0.460
100+ parts
$0.328
1k+ parts
-
10k+ parts
Farnell
$0.204
Element14
$0.518
$0.406
Newark
$0.337
$0.219
Arrow
$0.193
$0.181
Verical
$0.048
TTI Europe
$0.168
Master Electronics
$0.258
$0.225
Chip1Stop
$0.210
$0.177
Nova Conductors
$0.265
Vyrian
IBS Electronics
$0.456
$0.307
$0.270
Electro Sonic
$0.236
$0.208
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
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.
LM107H/883C
Rochester Electronics
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Package Equivalence Code: CAN8,.2;
M39029/56-351
Amphenol
CONNECTOR ACCESSORY; Minimum Operating Temperature: -65 Cel; Additional Features: STANDARD: MIL-DTL-38999; Contact Gender: FEMALE; MIL-Connector Accessory Name: CONTACT; Associated Military - Specifications: MIL-DTL-38999;
BSS138
Yangzhou Yangjie Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JESD-30 Code: R-PDSO-G3; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; Operating Mode: ENHANCEMENT MODE;
1N4148WT
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
First Components International
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Operating Temperature: 200 Cel; Config: SINGLE; No. of Elements: 1;
E8WSDC12-32.768KTR
Ecliptek
PARALLEL - FUNDAMENTAL; Mounting Feature: SURFACE MOUNT; Frequency Tolerance: 20 ppm; Aging: 3 PPM/YEAR; Load Capacitance: 12.5 pF; Nominal Operating Frequency: .032768 MHz;
SS14
Jgd Semiconductors
RECTIFIER DIODE; Surface Mount: YES; Technology: SCHOTTKY; Maximum Non Repetitive Peak Forward Current: 30 A; Maximum Forward Voltage (VF): .55 V; No. of Phases: 1;
Hy Electronic
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
SMBJ18CA
Thinking Electronic Industrial
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MBRS130LT3G
Onsemi
MBRS130LT3G by Onsemi is a Schottky rectifier diode with a max output current of 1A and forward voltage of 0.445V. It operates b/w -65 to 125°C, has a reverse test voltage of 30V, and is ideal for power applications due to its small outline package style.
STM32F407VGT6
STMicroelectronics
STM32F407VGT6 by STMicroelectronics is a 32-bit microcontroller with 2/3.3V power supplies, 196608 bytes RAM, and 16-Ch 12-Bit ADC channels. It is ideal for industrial applications requiring CAN, ETHERNET, I2C(3), SPI(3), UART(2), USB(2) connectivity and features DMA(16) for efficient data transfer. With a max clock frequency of 50 MHz and operating temperature range of -40 to 85 °C, it offers high performance in a compact package style (14mm x 14mm).
LM2931Z-5.0G
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.
ERJ2RKF1002X
Panasonic
Panasonic's ERJ2RKF1002X is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.1 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 compliance and operating temperature range of -55 to 155 °C.
MBRS1100T3G
MBRS1100T3G by Onsemi is a Schottky rectifier diode with a max output current of 1A and forward voltage of 0.75V. It operates in temperatures ranging from -65 to 175°C, making it suitable for power applications. With a reverse test voltage of 100V, this diode is ideal for high-power circuits requiring efficient rectification.
Vishay Intertechnology
Vishay Intertechnology's SS14 is a Schottky rectifier diode with a max forward voltage of 0.5V and output current of 1A. Operating at up to 125°C, it has a repetitive peak reverse voltage of 40V. Ideal for surface mount applications, it suits various electronic circuits requiring efficient rectification and low forward voltage drop.
LL4148
Weitron Technology
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
MMBT2907ALT1G
PNP; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .6 A; Terminal Form: GULL WING;
SN65HVD234DR
Texas Instruments
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.
North American Philips Discrete Products Div
RECTIFIER DIODE; Surface Mount: NO; Maximum Forward Voltage (VF): 1 V; JESD-609 Code: e0; Maximum Repetitive Peak Reverse Voltage: 100 V; Terminal Finish: Tin/Lead (Sn/Pb);
NDT2955
National Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 3 W; JESD-609 Code: e0; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
96AB2-102-R
Grayhill
Grayhill's 96AB2-102-R keypad switch features 12 SPST switches with 1.016mm actuator travel and ACRYLONITRILE BUTADIENE STYRENE insulator. With a max DC contact voltage of 12V, it is ideal for keyboard applications requiring momentary switch action at temperatures ranging from -30 to 80 °C.
RA3CTH9
Apem Components
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.
EVQQ2D03W
The Panasonic EVQQ2D03W is a SPST keypad switch with 2000000 cycle electrical life and 100000000 ohm insulation resistance. It operates b/w -40 to 85 °C, with a max DC contact voltage of 15V. Ideal for applications requiring ON-OFF functionality, such as consumer electronics or industrial control systems.
1-1825027-1
TE Connectivity
TE Connectivity 1-1825027-1 is a black nylon keypad switch with copper alloy terminals. It offers SPST switch function, 100000 cycle electrical life, and 0.25mm actuator travel. Ideal for panel mounting applications requiring momentary-tactile switch action at temperatures ranging from -20 to 105°C.
MSLPT5252CL4WTR
TE Connectivity's MSLPT5252CL4WTR is a WHITE Keypad Switch with POLYETHYLENE housing. It operates b/w -25 to 70 °C, with SPST switch function and 0.05 A AC contact current. Ideal for PANEL MOUNT applications, it features SILVER plating on center contacts and STAINLESS STEEL end contacts.
B3AL-1002P
Omron
The Omron B3AL-1002P is a black keypad switch with a 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 surface mount-straight mounting.
PTS645SH43SMTR92LFS
C & K Components
PTS645SH43SMTR92LFS by C & K Components is a SPST keypad switch with 100000 cycles electrical life. It features 100000000000 ohm insulation resistance and operates b/w -20 to 60 °C. Ideal for applications requiring a momentary-tactile switch with surface mount-straight mounting feature.
B3SN-3112
The Omron B3SN-3112 Keypad Switch offers IP67 sealing, 100000 cycle electrical life, and 100000000 ohm insulation resistance. Ideal for applications requiring a momentary-tactile switch with a max operating force of 2.06 N and DC contact current of 0.05A@24VDC. Suitable for surface mount-straight mounting with solder termination.
EVQP7C01P
The Panasonic EVQP7C01P is a SPST keypad switch with 10000 cycles electrical life. Featuring 100000000 ohm insulation resistance, it operates b/w -20 to 70 °C and has a max force of 2.2 N. Ideal for applications requiring ON-OFF functionality, this pushbutton switch offers SNAP ACTION contact timing in a compact design suitable for surface mount-straight mounting.
DTSM-32N-V-T/R
Diptronics Manufacturing
DTSM-32N-V-T/R by Diptronics Mfg is a brown keypad switch with steel housing. Featuring SPST switch function, it has 50k electrical life cycles and operates b/w -25 to 70°C. Ideal for applications requiring momentary-tactile action, such as surface mount installations with solder termination.
1301.9305
Schurter Ag
The Schurter Ag 1301.9305 keypad switch features SPST switch function, brass terminals, and IP40 sealing for durability. With a max operating temperature of 70°C and electrical life of 100000 cycles, it is ideal for applications requiring reliable tactile feedback in harsh environments.
1571563-4
Tyco Electronics Alcoswitch
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; JESD-609 Code: e4; Terminal Finish: Silver (Ag); Body Length/Diameter: 6 mm;
KSC443J70SHLFG
KSC443J70SHLFG by C & K Components is a SPST keypad switch with 300000 cycles electrical life, IP67 sealing, and 0.2VA@32VDC DC max power rating. Ideal for applications requiring a soft type actuator, such as consumer electronics or industrial control panels.
FSM2JSMAA
TE Connectivity's FSM2JSMAA is a WHITE keypad switch with POLYAMIDE housing. It offers 100000 cycles electrical life, SPST switch function, and 85°C max operating temp. Ideal for panel mounting applications, it has a max DC contact voltage of 24V and operates at -20 to 85°C temperature range.
228EJVARAFR
Cts
228EJVARAFR by Cts is a waterproof keypad switch with SPST function. It features red and amber LED illumination, 100000 cycle electrical life, and 100000000 ohm insulation resistance. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -40 to 85 °C.
KSC641JLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): HARD TYPE; Solderability: REFLOW; DC Maximum Power Rating R Load (Contact): 1VA@32VDC;
B3W-9000-RG2C
Omron's B3W-9000-RG2C keypad switch offers a long electrical life of 1000000 cycles, with green and red LED illumination. With an insulation resistance of 100M ohm, it is ideal for applications requiring momentary-tactile switch action. The switch has a max operating force of 1.57N and operates at temperatures ranging from -25°C to 70°C.
MJTP1230
MJTP1230 by Apem Components is a black keypad switch with stainless steel housing. It features SPST switch function, 100000 cycle electrical life, and 100000000 ohm insulation resistance. Ideal for applications requiring momentary-tactile switch action in temperatures ranging from -20 to 70 °C.
KST221GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Actuator Travel (mm): 1.3;
MCSLPT4848C4DTR
TE Connectivity's MCSLPT4848C4DTR is a SPST Keypad Switch with POLYETHYLENE housing and COPPER ALLOY terminals. It offers 500000 cycles of Electrical Life, ideal for PANEL MOUNT applications. With SILVER OVER NICKEL plating, it has an Insulation Resistance of 100M ohm and operates b/w -30 to 80 °C temperatures.
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KSEK43JLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Solderability: REFLOW; Sealing: IP67; Minimum Operating Temperature: -40 Cel;
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