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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KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Solderability: REFLOW; Insulation Resistance: 1000000000 ohm; Maximum DC Contact Voltage: 32 V;
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DigiKey
$0.700
$0.499
$0.413
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Master Electronics
$0.912
$0.871
PEI Genesis
NEP Electronics
Verical
$0.310
Element14
$31.060
$26.490
Chip1Stop
$0.193
Farnell
$0.395
$0.373
Newark
$0.534
$0.480
Adafruit Industries
IBS Electronics
$1.132
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Assy Fe
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Keypad Switches KMR442GULCLFS attributes and parameters. Explore more Keypad Switches devices from C & K Components
Length (Actuator):
Actuator Travel (mm):
Body Width:
Body Height:
Body Length/Diameter:
Center Contact Material:
Circuit Config:
Maximum Contact Bounce Time:
Maximum DC Contact Current:
DC Maximum Power Rating R Load (Contact):
DC Maximum Rating R Load (Contact):
Contact Resistance:
Maximum DC Contact Voltage:
Dielectric Withstand Volts (V):
Electrical Life:
End Contact Material:
Insulation Resistance:
JESD-609 Code:
Mounting Feature:
No. of Switches:
Maximum Operating Force:
Maximum Operating Temperature:
Minimum Operating Temperature:
Packing Method:
Sealing:
Solderability:
Switch Action:
Switch Function:
Switch Type:
Terminal Finish:
Termination Type:
KMR442GULCLFS 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.
BAV99
Diodes Incorporated
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
RC0402FR-071KL
Yageo
The Yageo RC0402FR-071KL is a fixed resistor with a resistance of 1000 ohm and a tolerance of 1%. It is suitable for surface mount applications and has a max operating temperature of 155 °C.
Gec Plessey Semiconductors
2N2222A
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
M39029/56-351
Carlisle Interconnect Technologies
CONNECTOR ACCESSORY; MIL Conformity: YES; Contact Type: CRIMP; Removal Tools: M81969/8-06, M81969/14-02; IEC Conformity: NO; Contact Gender: FEMALE;
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;
RC0402FR-0710KL
Yageo's RC0402FR-0710KL is a 10000 ohm SMT fixed resistor with 1% tolerance, suitable for applications requiring a rated power dissipation of 0.0625 W. With a temperature coefficient of 100 ppm/°C, it operates b/w -55 to 155 °C, making it ideal for various electronic circuits.
1N4148
Continental Device India
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Vishay Sprague
NPN; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JEDEC-95 Code: TO-18; Maximum Collector-Emitter Voltage: 40 V;
RC0402JR-070RL
Yageo's RC0402JR-070RL is a SMT fixed resistor with 0 ohm resistance, rated for temperatures from -55 to 155 °C. It features METAL GLAZE/THICK FILM tech, WRAPAROUND terminals, and 0.0625 W power dissipation. Ideal for jumper applications in electronics requiring compact surface mount components.
STM32H743IIT6
STMicroelectronics
STM32H743IIT6 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 due to its wide temperature range (-40°C to 85°C) and various connectivity options (CAN, I2C, UART, USB).
Nexperia
1N4148WT
Jiangsu Changjiang Electronics Technology
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Fairchild Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
C1206C104K5RACTU
KEMET Corporation
KEMET C1206C104K5RACTU 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 SMT applications due to its rectangular package shape and wraparound terminals.
MMBT2222ALT1G
Onsemi
MMBT2222ALT1G by Onsemi is a NPN BJT transistor with 3 terminals, max power dissipation of 0.3W, and hFE of 75. Ideal for switching applications, it operates b/w -55 to 150 °C with a max collector-emitter voltage of 40V. This surface-mount device has a transition frequency of 300MHz and turn-on time of 35ns.
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;
MBRS130LT3G
Rochester Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: J BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
STM32H743XIH6
STM32H743XIH6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, 36-Ch 16-Bit ADC, and 2-Ch 12-Bit DAC. It operates at up to 48 MHz, has 1085440 bytes of RAM, and offers connectivity options like CAN, I2C, USB. Ideal for industrial applications requiring high-performance processing and extensive peripheral support.
General Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Minimum DS Breakdown Voltage: 50 V; Qualification: Not Qualified;
ATS2D3GNCLFG
C & K Components
ATS2D3GNCLFG by C & K Components is a SPST Keypad Switch with 1.1mm Actuator Travel and IP54 Sealing. It has a DC Max Power Rating of 0.2VA@32VDC, making it suitable for applications requiring momentary switch action in environments with temperatures ranging from -40 to 125 °C.
KSC351JLFS
Itt Cannon
KSC351JLFS by ITT Cannon is a SPST keypad switch with 100000 cycle electrical life and IP67 sealing, suitable for surface mount applications. It has a max DC contact voltage of 32V and a max operating force of 5.5N, making it ideal for use in rugged environments requiring reliable tactile feedback. With SILVER end contact plating and termination type SOLDER, this switch offers high insulation resistance of 1Gohm and operates within a temperature range of -40 to 85°C.
K6B1.52NOD
K6B1.52NOD by ITT Cannon is a SPST keypad switch with 200000 cycles electrical life and 10000000000 ohm insulation resistance. With a sealing rating of IP40, it is ideal for applications requiring a momentary-tactile switch function in temperatures ranging from -40 to 85 °C, featuring solder termination and through-hole mounting.
K12PLWH15NLV302
K12PLWH15NLV302 by C & K Components is a SPST keypad switch with 1000000 cycle electrical life. Featuring white LED illumination, it has a max DC contact voltage of 30V and operates at temperatures ranging from -40 to 85 °C. Ideal for applications requiring ON-OFF functionality with a momentary-tactile switch action.
B32-1600
Omron
Omron B32-1600 Keypad Switch features SPST switch function, 70°C max operating temp, -25°C min operating temp. Ideal for through-hole mounting applications requiring momentary-tactile switch action.
TSSE67R
Knitter-switch
TSSE67R by Knitter-switch is a red keypad switch with stainless steel housing, suitable for applications requiring IP67 sealing. It offers SPST switch function, 500000 electrical life cycles, and operates b/w -40 to 85°C. With a max DC contact voltage of 32V and momentary-tactile switch action, it is ideal for surface mount-straight mounting in various electronic devices.
1.14.002.011/0000
Rafi & Kg
1.14.002.011/0000 by Rafi & Kg is a SPST keypad switch with 250,000 cycles electrical life and 5.1" body width. It operates b/w -40 to 85°C, has a max DC contact voltage of 42V, and uses solder termination for surface mount applications.
B3SN-3112P
The Omron B3SN-3112P is a keypad switch with 1 switch, an electrical life of 100000 cycles, and insulation resistance of 100000000 ohms. It is commonly used in applications requiring a momentary-tactile switch with a max operating force of 2.06 N.
FSMIJ62AR04
TE Connectivity
TE Connectivity's FSMIJ62AR04 Keypad Switch features a SPST switch function, 0.2mm actuator travel, and red LED illumination. With a max operating force of 1.57N, it is ideal for panel mount applications requiring momentary-tactile switch action at temperatures ranging from -25 to 70°C.
PTS645SL432LFS
PTS645SL432LFS by C & K Components is a SPST keypad switch with 100000 cycles electrical life and 100000000000 ohm insulation resistance. It has a max operating temperature of 60°C and is ideal for applications requiring a momentary-tactile switch with 12VDC max rating.
KSC821JOLLFS
KSC821JOLLFS by C & K Components is a SPST Keypad Switch with SILVER terminal material. It has an electrical life of 300,000 cycles and IP67 sealing, making it suitable for applications requiring reliable switching in harsh environments. With a max operating force of 3.9N and SILVER end contact material, this switch offers durability and high performance.
PTS636SKG25SMTRLFS
PTS636SKG25SMTRLFS by C & K Components is a RED keypad switch with SPST function. It has an electrical life of 100,000 cycles and insulation resistance of 100M ohm. Ideal for applications requiring a momentary-tactile switch with reflow solderability and IP40 sealing.
4-1437565-2
Tyco Electronics Alcoswitch
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Electrical Life: 100000 Cycle(s); Termination Type: SOLDER; Maximum DC Contact Current: .05 A;
EVQP1D05M
Panasonic
The Panasonic EVQP1D05M keypad switch has a 100000 cycle electrical life, SPST switch function, and 3.1N max operating force. Ideal for applications requiring a momentary action keypad switch with a max DC contact voltage of 12VDC.
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.
EVPAA202K
The Panasonic EVPAA202K is a black keypad switch with SPST function, ideal for ON-OFF applications. With an electrical life of 200k cycles and insulation resistance of 100M ohm, it offers reliable performance. Featuring a push plate actuator type and snap action contact timing, this switch has a max operating force of 1.6N.
4-2213819-9
TE Connectivity's 4-2213819-9 Keypad Switch features a BROWN THERMOPLASTIC housing, BLUE LED illumination, and SPST switch function. With a 200000 cycle electrical life, it is ideal for applications requiring momentary-tactile switch action in various electronic devices.
EVQ11L05R
The Panasonic EVQ11L05R is a red keypad switch with 100000 cycle electrical life and 50000000 ohm insulation resistance. Ideal for applications requiring a momentary switch action, it has a max operating force of 2.1N and operates b/w -20 to 70°C temperatures.
1301.9501
Schurter Ag
The Schurter Ag 1301.9501 keypad switch has a brass terminal, SPST switch function, and IP40 sealing. With an electrical life of 100k cycles, it is ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -20 to 70°C.
KMR641NGULCLFS
KMR641NGULCLFS by C & K Components is a SPST keypad switch with SILVER terminals, IP67 sealing, and 100000 cycle electrical life. Ideal for applications requiring a momentary-tactile switch with 0.3mm actuator travel, such as in environments with temperatures ranging from -40 to 85 °C.
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