Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Solderability: REFLOW; Length (Actuator): .043 inch; Sealing: IP40;
Median Price
$0.484
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Suppliers In-Stock
5
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1k+
Arrow
1+ parts
$0.419
100+ parts
$0.387
1k+ parts
$0.313
10k+ parts
$0.310
Mouser Electronics
$0.550
$0.488
$0.375
$0.302
DigiKey
$0.700
$0.499
$0.413
$0.316
Verical
-
PEI Genesis
Assy Fe
Formix International (Excess)
Keypad Switches KMR442GLFS attributes and parameters. Explore more Keypad Switches devices from C & K Components
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KMR442GLFS 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.
FDV304P
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Moisture Sensitivity Level (MSL): 1; Maximum Drain Current (ID): .46 A;
LM358N
National Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
BAV99
Zetex Plc
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138
Sipex
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Moisture Sensitivity Level (MSL): 1; Peak Reflow Temperature (C): 240;
STMicroelectronics
350766-1
TE Connectivity
TE Connectivity 350766-1 is a rectangular power connector with 0.25" mating contact pitch, rated for 600V and operating temperatures from -55 to 105°C. It has a durable design with POLYAMIDE insulator material, suitable for commercial applications requiring secure crimp termination in cable mounting setups.
2N7002
Vishay Siliconix
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; No. of Elements: 1; Terminal Form: GULL WING; Qualification: Not Qualified;
1N4148WS
Eic Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
OPA2227UA
Texas Instruments
OPA2227UA by Texas Instruments is a dual operational amplifier with low-offset voltage of 200 uV and bias current of 0.01 uA. It operates at temperatures ranging from -40 to 85 °C, making it suitable for industrial applications requiring precise signal amplification. With a unity gain bandwidth of 8000 kHz, this op amp is ideal for high-frequency circuit designs.
SMBJ18CA
International Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Clamping Voltage: 29.2 V; Nominal Breakdown Voltage: 21.1 V; Maximum Repetitive Peak Reverse Voltage: 18 V; Polarity: BIDIRECTIONAL;
USB2514BI-AEZG
Standard Microsystems
BUS CONTROLLER, UNIVERSAL SERIAL BUS; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 36; Package Code: HVQCCN; Package Shape: SQUARE;
SS14
Taitron Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
STM32H743ZIT6
STM32H743ZIT6 by STMicroelectronics is a 32-bit microcontroller with integrated cache and a max supply voltage of 3.6V. It is commonly used in industrial applications, offering features such as 21 timers, CAN and USB connectivity, and low power mode.
AT90CAN128-16AUR
Microchip Technology
AT90CAN128-16AUR by Microchip: 16 MHz clock, 8-bit data RAM, and 131072 ROM words. Ideal for industrial applications with CAN, SPI, TWI connectivity and low power mode. Contains 4 timers, 8 ADC channels, and supports up to 10-bit analog to digital conversion.
1N4148
Crimson Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
FDC5614P
TAIZHOU ELECTRONICS CO LTD
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 1.92 W; Maximum Operating Temperature: 150 Cel; Package Body Material: PLASTIC/EPOXY;
LM107H
Intersil
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Nominal Common Mode Reject Ratio: 96 dB;
LL4148
Goodwork Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
TL1105WF250Q
E-switch
TL1105WF250Q by E-switch is a SPST keypad switch with 100000 cycle electrical life and 100000000 ohm insulation resistance. It has a max operating force of 2.45N, making it ideal for applications requiring momentary-tactile feedback such as consumer electronics and industrial control panels.
222H-MSABRK
Cts
KEYPAD SWITCH;
1241.1601.11
Schurter Ag
Schurter Ag's 1241.1601.11 Keypad Switch features SPST switch function, with BRASS terminals and GOLD OVER NICKEL plating. Ideal for applications requiring a momentary-tactile switch type, with an electrical life of 1000000 cycles and max operating force of 2.2N.
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.
1301.9307
1301.9307 by Schurter Ag is a SPST Keypad Switch with BRASS terminals, 100000 cycles Electrical Life, and IP40 sealing. Ideal for applications requiring a momentary-tactile switch with 2.1N max operating force and 0.05A@12VDC DC max rating R load (contact).
431256058716
Wuerth Elektronik & Kg
431256058716 by Wurth Elektronik is a black keypad switch with steel housing and copper alloy terminals. With an electrical life of 200,000 cycles, it is ideal for applications requiring momentary switch action. Featuring a max operating force of 2.06N and solder termination, this switch is suitable for various electronic devices.
B3AL-1003P
Omron B3AL-1003P is a white keypad switch with 1.3mm actuator travel and SPST switch function. It has an electrical life of 1M cycles, insulation resistance of 100M ohm, and operates b/w -40 to 90°C. Ideal for applications requiring momentary-tactile action in surface mount configurations.
EVQPE105K
Panasonic
The Panasonic EVQPE105K keypad switch offers 50000 cycles electrical life, 100000000 ohm insulation resistance, and 1.5 N max operating force. Ideal for applications requiring a SPST pushbutton switch with OFF-ON contact function and momentary switch action.
DTS-24N-V
Diptronics Manufacturing
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Type (Actuator): DOMED TYPE; Contact Function: ON-OFF; Packing Method: BAG;
SKRBAGE010
Alps Alpine
Alps Alpine SKRBAGE010 is a SPST Keypad Switch with 2000000 cycles Electrical Life. Featuring 100VAC Dielectric Withstand, it operates b/w -30 to 85 °C. Ideal for applications requiring MOMENTARY-TACTILE switch action and SOLDER termination in surface mount-straight mounting.
3-2213819-9
TE Connectivity 3-2213819-9 is a SPST keypad switch with BROWN actuator. It has 200000 cycles electrical life, red LED illumination, and operates at -25 to 70°C. Ideal for panel mounting applications requiring momentary-tactile switch action.
7914J-1-000E
Bourns
Bourns 7914J-1-000E is a waterproof keypad switch with stainless steel housing and phosphor bronze terminals. It has SPST switch function, gold-plated contacts, and operates b/w -55°C to 125°C. Ideal for applications requiring snap action contact timing and surface mount installation.
B3F-1060
Omron B3F-1060 Keypad Switch: SPST, 1000000 cycles Electrical Life, 1.27N Max Operating Force. Ideal for applications requiring momentary-tactile switch action in electronics with -25 to 70°C operating range.
DTSM-65N-V-T/R
Apem Components
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.
1241.1618.11
Schurter Ag's 1241.1618.11 Keypad Switch offers IP67 sealing, SPST switch function, and 1000000 electrical life cycles. Ideal for applications requiring a momentary-tactile switch with surface mount-straight mounting feature and long actuator type.
TL3301AF160QG/TR
TL3301AF160QG/TR by E-switch is a SPST Keypad Switch with 100000 cycle Electrical Life. It features POLYPHENYLENE SULPHIDE housing, BRASS terminals, and SILVER plating. Ideal for applications requiring MOMENTARY-TACTILE switch action in temperatures ranging from -20 to 70 °C.
KSA0M411LFTR
C & K Components
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.
SKRBAAE010
Alps Electric
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): KNOB TYPE; Solderability: REFLOW; Switch Action: MOMENTARY-TACTILE;
1825027-8
TE Connectivity 1825027-8 is a BLUE BUTTON TYPE KEYPAD SWITCH with NYLON housing and COPPER ALLOY terminals. It has an electrical life of 100000 cycles, insulation resistance of 100M ohm, and operates b/w -20 to 105 °C. Ideal for PANEL MOUNT applications requiring MOMENTARY-TACTILE OFF-(ON) contact function.
KSA0M332LFT
KSA0M332LFT by C & K Components is a SPST Keypad Switch with 1000000 cycles Electrical Life, IP65 Sealing, and 1 ms Max Contact Bounce Time. Ideal for applications requiring a reliable switch with short actuator travel, such as industrial control panels or medical devices.
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