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; Sealing: IP40; Insulation Resistance: 1000000000 ohm;
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Keypad Switches KMR442LFS attributes and parameters. Explore more Keypad Switches devices from C & K Components
Actuator Travel (mm):
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DC Maximum Power Rating R Load (Contact):
DC Maximum Rating R Load (Contact):
Contact Resistance:
Maximum DC Contact Voltage:
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End Contact Material:
Insulation Resistance:
JESD-609 Code:
Mounting Feature:
No. of Switches:
Maximum Operating Force:
Maximum Operating Temperature:
Minimum Operating Temperature:
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KMR442LFS 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.
1N4148
Rochester Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
BAV99
Taitron Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM7805CT
Onsemi
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
Formosa Microsemi
BSS138
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Drain-Source On Resistance: 3.5 ohm; Maximum Drain Current (ID): .2 A; Peak Reflow Temperature (C): NOT SPECIFIED;
M39029/58-360
Amphenol
CONNECTOR ACCESSORY; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-38999; Contact Gender: MALE; Terminal Type: CRIMP; IEC Conformity: NO;
BSS138DW-7-F
Diodes Incorporated
BSS138DW-7-F by Diodes Incorporated is a N-channel small signal FET with a min DS breakdown voltage of 50V. It is used for switching applications and operates in enhancement mode. This surface mount transistor has a max drain current of 0.2A and a max power dissipation of 0.2W.
BSS138-7-F
SPC TECHNOLOGY/ MULTICOMP
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Drain Current (ID): .2 A; Minimum DS Breakdown Voltage: 50 V; Operating Mode: ENHANCEMENT MODE;
M24308/2-1F
Souriau-sunbank Connection Technologies
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Body Length: 1.228 inch; Mounting Type: CABLE AND PANEL; Termination Type: CRIMP;
M39029/56351
Esterline Technologies
CONNECTOR ACCESSORY; IEC Conformity: NO; Contact Gender: FEMALE; DIN Conformity: NO; MIL-Connector Accessory Name: CONTACT; Tool Settings: M22520/2-10;
M39029/56-351
Itt Cannon
CONNECTOR ACCESSORY; MIL Conformity: YES; Terminal Type: WIRE; IEC Conformity: NO; Alternate Contact Sources: ITT CANNON; Associated Military - Specifications: MIL-C-38999;
LL4148
Rfe International
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Panasonic
MIXER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Additional Features: STANDARD: MIL-DTL-24308, POLARIZED; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Filter Feature: NO;
LM107H/883
Advanced Micro Devices
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Low-Offset: NO;
SMBJ18CA
Daco Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
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;
FDV303N
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Transistor Application: SWITCHING; JESD-609 Code: e3;
ABS25-32.768KHZ-T
Abracon
Abracon's ABS25-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 122% stability, and 50000 ohm series resistance. Ideal for applications requiring 0.032768 MHz nominal frequency, such as IoT devices and precision timing systems in industrial settings.
LM555CM
Intersil
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
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.
B3U-1000PM-B
Omron
The Omron B3U-1000PM-B is a black keypad switch with a plunger type actuator. It has an electrical life of 200,000 cycles and insulation resistance of 100MΩ. This switch is commonly used in applications requiring momentary-tactile action and surface mount-straight mounting.
PTS636SP43SMTRLFS
C & K Components
PTS636SP43SMTRLFS by C & K Components is a black keypad switch with an electrical life of 20,000 cycles and insulation resistance of 100M ohm. It operates b/w -40 to 90°C, has a max DC contact voltage of 12V, and is sealed to IP40 standards. Ideal for applications requiring a momentary-tactile switch function in compact spaces.
EDM450SSCLFS
EDM450SSCLFS by C & K Components is a SPST keypad switch with 1000000 cycle electrical life, 1VA@100VDC DC max power rating, and 1000000000 ohm insulation resistance. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -25 to 70 °C.
2203567
Phoenix Contact
MEMBRANE KEYBOARD;
228EMVARAFR
Cts
Cts 228EMVARAFR keypad switch offers SPST function with 100000 cycles electrical life. Featuring red and amber LED illumination, it is waterproof (IP67) and has a dielectric withstand of 250VAC. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -40 to 85°C.
SKRPABE010
Alps Alpine
Alps Alpine SKRPABE010 is a SPST keypad switch with 100000 cycles electrical life. It has 1.57N max operating force and operates b/w -30°C to 85°C. Ideal for applications requiring momentary-tactile switch action, such as consumer electronics and industrial control systems.
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.
96BB2-056-R
Grayhill
Grayhill's 96BB2-056-R is a black keypad switch with 16 switches and a SPST switch function. It has an electrical life of 3,000,000 cycles and insulation resistance of 1,000,000,000 ohm. This switch is commonly used in keyboards and offers momentary switch action.
5-1437565-0
Tyco Electronics Alcoswitch
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; JESD-609 Code: e4; Body Length/Diameter: 6 mm; Body Height: 3.6 mm;
5GSH93561R
The Apem Components 5GSH93561R keypad switch features POLYPHENYLENE SULPHIDE housing, COPPER TIN ALLOY terminals, and WHITE LED illumination. With an IP67 sealing rating, it is ideal for applications requiring a SPST switch with 10000000 cycle electrical life. Suitable for use in environments ranging from -30 to 85 °C, this MOMENTARY-TACTILE switch offers reliable performance.
K8BU41GLFS
K8BU41GLFS by C & K Components is a SPST keypad switch with blue LED illumination. It has an electrical life of 300,000 cycles and a max DC power rating of 1VA at 32VDC. Ideal for applications requiring a momentary-tactile switch with surface mount-straight mounting feature.
FSMRA7J
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-RIGHT ANGLE; Switch Function: SPST; Type (Actuator): ROUND/EXTENDED TYPE; Packing Method: BULK; Maximum Operating Force: 1.57 N;
TL1105RF160Q94VO
E-switch
TL1105RF160Q94VO by E-switch is a SPST Keypad Switch with 100000 cycles electrical life. Featuring SILVER plating, it has an actuator travel of 0.25mm and operates b/w -20 to 70°C. Ideal for applications requiring a momentary-tactile switch with 2.06N max operating force.
PTS820J25KSMTRLFS
PTS820J25KSMTRLFS by C & K Components is a SPST keypad switch with 100000 cycle electrical life and 100000000 ohm insulation resistance. It operates b/w -40 to 85 °C, suitable for applications requiring momentary switch action and surface mount-straight mounting feature.
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.
B32-1240
Omron B32-1240 Keypad Switch features SPST switch function, blue projected plunger actuator, and 70°C max operating temp. Ideal for applications requiring momentary-tactile switch action with through hole-straight mounting.
KSL0M412LFT
KSL0M412LFT by C & K Components is a SPST keypad switch with IP65 sealing, suitable for applications requiring durability. It has an electrical life of 100000 cycles and a max DC contact voltage of 32V, making it ideal for use in harsh environments. With a compact body width of 6.2mm and solder termination, this switch offers reliable performance in various electronic devices.
1301.9307
Schurter Ag
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).
1301.9316.24
1301.9316.24 by Schurter Ag is a SPST Keypad Switch with 100000 cycles Electrical Life, 2.1N Max Operating Force, and IP40 Sealing. Ideal for applications requiring a MOMENTARY-TACTILE switch type in surface mount-straight mounting configuration at temperatures ranging from -20°C to 70°C.
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