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
-
Farnell
$0.204
Element14
$0.518
$0.406
Newark
$0.274
$0.116
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.
2N7002
Dc Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; No. of Elements: 1; Terminal Form: GULL WING;
RC0805FR-0710KL
Yageo
Yageo's RC0805FR-0710KL is a 10000 ohm SMT fixed resistor with 1% tolerance and 0.125 W power dissipation. Ideal for applications requiring resistance to operate b/w -55°C to 155°C, such as in automotive electronics or industrial control systems. Features metal glaze/thick film technology and matte tin finish with nickel barrier.
1N4148
Eic Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Teledyne Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JESD-30 Code: R-PDSO-G3; Maximum Operating Temperature: 150 Cel; No. of Terminals: 3;
2N2222A
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;
International Semiconductor
LM317D2TG
Onsemi
LM317D2TG by Onsemi is an adjustable positive single output standard regulator with a max output current of 1.5A and a max output voltage of 37V. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in compact spaces.
M39029/56351
Souriau
CONNECTOR ACCESSORY; MIL Conformity: YES; Contact Gender: FEMALE; Insertion Tools: M81969/14-10; Tool Settings: M22520/2-10; DIN Conformity: NO;
M39029/58-360
Carlisle Interconnect Technologies
GENERAL CONN ACCESSORY; Associated Military - Specifications: MIL-C-55302/69, MIL-C-38999; Maximum Operating Temperature: 200 Cel; MIL-Connector Accessory: CONTACT; Terminal Type: CRIMP; MIL Conformity: YES;
Pro-an Electronic
Formosa Microsemi
Crimson Semiconductor
Vicor
SMBJ18CA
General Instrument
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM555CM
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
Silicon Standard
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): .225 W; Maximum Drain-Source On Resistance: 7.5 ohm; Transistor Element Material: SILICON;
Changzhou Galaxy Century Microelectronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: J BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
NC7WZ07P6X
Fairchild Semiconductor
BUFFER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 6; Package Code: TSSOP; Package Shape: RECTANGULAR;
LL4148
First Components International
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
ROHM
PTS647SN70SMTR2LFS
C & K Components
PTS647SN70SMTR2LFS by C & K Components is a SPST Keypad Switch with 100000 cycles electrical life. It features 0.25mm actuator travel and operates b/w -20°C to 70°C. Ideal for applications requiring momentary-tactile switch action in surface mount configurations.
FSM6JH
Tyco Electronics Amp
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Electrical Life: 100000 Cycle(s); Switch Action: MOMENTARY; Manufacturer Series: FSM;
1825910-2
Tyco Electronics Alcoswitch
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Body Height: 3.61 mm; Body Length/Diameter: 5.99 mm; Maximum DC Contact Voltage: 24 V;
KMS231GPLFS
KMS231GPLFS by C & K Components is a SPST keypad switch with 100000 cycle electrical life, 1VA@32VDC DC power rating, and IP40 sealing. It is ideal for applications requiring momentary-tactile switch action in temperatures ranging from -40 to 85 °C, featuring SILVER contact materials and SOLDER termination.
KMS221GLFS
KMS221GLFS by C & K Components is a SPST keypad switch with 100000 cycle electrical life and 1VA@32VDC DC max power rating. It has IP40 sealing, -40 to 85 °C operating temperature range, and SILVER terminal finish. Ideal for applications requiring momentary-tactile switch action in surface mount-right angle mounting configurations.
147873-1
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Maximum DC Contact Voltage: 24 V; Minimum Operating Temperature: -35 Cel; Maximum Operating Force: 2.26 N;
1.14.100.501/0000
1.14.100.501/0000 by C & K Components is a SPST Keypad Switch with 1000000 cycles Electrical Life and 1000000000 ohm Insulation Resistance. It has a max operating force of 3.9 N, suitable for applications requiring reliable momentary switch action in electronic devices or control panels.
5ESH935NCNO
Apem Components
The Apem Components 5ESH935NCNO keypad switch has an electrical life of 1000000 cycles, sealing rating of IP67, and max operating force of 3.5N. Ideal for applications requiring a SPDT switch with N.C-N.O contact function, such as industrial control panels and outdoor equipment due to its -40 to 160°C temperature range and surface mount straight mounting feature.
EVPAWBD40
Panasonic
The Panasonic EVPAWBD40 is a waterproof and dustproof keypad switch with an electrical life of 500,000 cycles. Featuring SPST switch function, it has a max operating force of 1.6N and operates at temperatures ranging from -40 to 85°C. Ideal for applications requiring a reliable and durable push plate actuator switch with snap action contact timing.
1571563-4
TE Connectivity
TE Connectivity 1571563-4 Keypad Switch features SPST switch function, 100000 cycles electrical life, and 2.548N max operating force. Ideal for panel mount applications with -35 to 85°C temp range and 0.05A@24VDC DC rating.
87CC3-201
Grayhill
Grayhill's 87CC3-201 keypad switch features SPST function, 3000000 cycle electrical life, and 1000000000 ohm insulation resistance. Ideal for keyboard applications with OFF-(ON) contact function, this white switch has a 0.2794mm actuator travel and operates b/w -40 to 80 °C temperatures.
PTS647SN38SMTR2LFS
PTS647SN38SMTR2LFS by C & K Components is a SPST keypad switch with an electrical life of 100,000 cycles. It has a max operating temperature of 70°C and a min operating temperature of -20°C. This switch is suitable for surface mount applications and has a contact resistance of 100 mΩ.
PTS525SM15SMTR2LFS
PTS525SM15SMTR2LFS by C & K Components is a SPST keypad switch with 1000000 cycles electrical life and 100M ohm insulation resistance. Ideal for applications requiring momentary-tactile switch action, surface mount-straight mounting feature, and solder termination type.
2203567
Phoenix Contact
MEMBRANE KEYBOARD;
KSA0M411LFTR
KSA0M411LFTR by C & K Components is a SPST keypad switch with 100000 cycle electrical life and 1VA@32VDC DC max power rating. It features SILVER end contact material, IP60 sealing, and operates b/w -40 to 85 °C. Ideal for applications requiring a momentary-tactile switch function with through hole-straight mounting feature.
MJTP1236F
The Apem Components MJTP1236F is a SPST keypad switch with 100000 cycles electrical life. Featuring a plunger type actuator, it has a max operating force of 1.86N and operates at temperatures ranging from -20°C to 70°C. Ideal for applications requiring momentary-tactile switch action in through hole-right angle mounting configurations.
5GSH93561
5GSH93561 by Apem Components is a SPST keypad switch with POLYPHENYLENE SULPHIDE housing, COPPER TIN ALLOY terminals, and 10000000 cycle electrical life. Featuring WHITE LED illumination, IP67 sealing, and -30 to 85 °C operating temperature range, it's ideal for applications requiring a MOMENTARY-TACTILE switch action in harsh environments.
MCSLPT4848A2DTR
TE Connectivity's MCSLPT4848A2DTR is a keypad switch with a polyethylene housing and copper alloy terminals. It has an electrical life of 1,000,000 cycles and insulation resistance of 100,000,000 ohms. This panel mount switch is commonly used in applications requiring momentary-tactile action and can withstand temperatures from -30 to 80°C.
EVQPLHA15
EVQPLHA15 by Panasonic is a keypad switch with a single switch and a long electrical life of 500,000 cycles. It has a compact body width of 4.9mm and is suitable for surface mount applications.
EVQP7L01P
KEYPAD SWITCH; Manufacturer Series: EVQ;
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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
$54.25
$11.90
$7.29
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12,000 In-Stock
Total price ≈ $80,197.29
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