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; Center Contact Material: SILVER; Maximum DC Contact Current: .05 A;
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Keypad Switches KMR421ULCLFS attributes and parameters. Explore more Keypad Switches devices from C & K Components
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KMR421ULCLFS 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.
LM358D-T
Philips Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
BAV99
Panasonic
MIXER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Operating Mode: ENHANCEMENT MODE; Maximum Operating Temperature: 150 Cel;
1N4148WT
Continental Device India
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Semtech
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
M39029/58-360
Fct Electronic
CONNECTOR ACCESSORY; IEC Conformity: NO; Alternate Contact Sources: MILITARY; MIL Conformity: YES; Contact Gender: MALE; MIL-Connector Accessory Name: CONTACT;
2N2222A
Shanghai Lunsure Electronic Technology
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JESD-30 Code: O-MBCY-W3;
Ksl Microdevices
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Good-ark Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Repetitive Peak Reverse Voltage: 18 V; Nominal Breakdown Voltage: 21.05 V; Maximum Time At Peak Reflow Temperature (s): 10; JESD-609 Code: e3;
1N4148
RECTIFIER DIODE; Surface Mount: NO; Terminal Finish: MATTE TIN; Maximum Operating Temperature: 200 Cel; Maximum Output Current: .15 A; JESD-609 Code: e3;
Sun Wai Electronic
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Reverse Recovery Time: .004 us; Maximum Repetitive Peak Reverse Voltage: 100 V;
SS14
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Allegro MicroSystems
LM317T
Bay Linear
Other Regulators; No. of Terminals: 3; No. of Outputs: 1; Surface Mount: NO; Maximum Load Regulation (%): 1.5 %; Operating Temperature (TJ-Min): 0 Cel;
2902037
Phoenix Contact
MODULAR TERMINAL BLOCK;
LL4148
Goodwork Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
FDN5618P
Onsemi
FDN5618P by Onsemi is a P-CHANNEL Power FET with 60V DS Breakdown Voltage. It features a single configuration with built-in diode, suitable for switching applications. With 10A IDM and 0.17 ohm RDS(on), it operates in the temperature range of -55 to 150 °C, making it ideal for various electronic devices.
NC7WZ17P6X
Fairchild Semiconductor
BUFFER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 6; Package Code: TSSOP; Package Shape: RECTANGULAR;
Nexperia
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Defense Logistics Agency
CONNECTOR ACCESSORY; Contact Type: CRIMP REAR RELEASE; Mating Contacts: M39029/56-348, M39029/57-354; Insertion Tool Sources: MILITARY; Contact Gender: MALE; Alternate Contact Sources: MILITARY;
5GSH935+1SS09-10.4
Apem Components
The Apem Components 5GSH935+1SS09-10.4 is a black keypad switch with PPS housing, IP67 sealing, and SPST switch function. It has an electrical life of 10M cycles, insulation resistance of 10M ohm, and operates b/w -40 to 160°C. Ideal for applications requiring a round type actuator with momentary switch action and surface mount-straight mounting feature.
KSC351GLFS
C & K Components
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): HARD TYPE; Solderability: REFLOW; Actuator Travel (mm): 0.25;
SKHHNHA010
Alps Alpine
Alps Alpine SKHHNHA010 is a red SPST keypad switch with 500000 cycles electrical life. It has an actuator travel of 0.25mm and operates b/w -40 to 90°C. Ideal for applications requiring momentary-tactile switch action, such as consumer electronics and industrial control systems.
RA3FTH9
The Apem Components RA3FTH9 is a 9.56" wide keypad switch with IP67 sealing, SPST function, and 160°C max operating temp. Ideal for applications requiring a moisture-proof, momentary action switch with 24VDC contact voltage and 3N operating force.
B3S-1002P
Omron
Omron B3S-1002P keypad switch has 300000 cycles electrical life, IP67 sealing, and 100000000 ohm insulation resistance. Ideal for surface mount applications with SPST switch function and 2.26N max operating force.
KSC741JLFS
KSC741JLFS by C & K Components is a SPST keypad switch with SILVER terminal material and 300000 cycle electrical life. With IP67 sealing, it's ideal for applications requiring a max operating force of 4.9N, such as industrial control panels or outdoor electronic devices.
7914G-1-032E
Bourns
Bourns 7914G-1-032E is a waterproof keypad switch with stainless steel housing. Features SPST switch function, gold-plated contacts, and snap action timing. Ideal for surface mount applications requiring momentary contact in harsh environments.
B3U-3100P
Omron B3U-3100P is a dust-proof keypad switch with SPST function. It has an electrical life of 100,000 cycles and insulation resistance of 100M ohm. Ideal for surface mount-right angle applications, it operates b/w -25°C to 70°C with a max DC contact voltage of 12V.
5ETH920NCNO
Mec A/s
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPDT; Contact Function: N.C-N.O; No. of Switches: 1; Body Height: 6.4 mm;
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.
EVQPUL02K
The Panasonic EVQPUL02K is a black keypad switch with 100000 cycle electrical life and 100000000 ohm insulation resistance. It features SPST switch function, 0.3048mm actuator travel, and 2.3N max operating force. Ideal for applications requiring momentary switch action in temperatures ranging from -20 to 70°C.
TL3330AF260QG
E-switch
TL3330AF260QG by E-switch is a SPST keypad switch with 30000 cycles electrical life. Featuring copper alloy terminals and nylon insulator, it has a max operating force of 3.04N. Ideal for applications requiring momentary-tactile switch action, such as surface mount-right angle mounting in electronic devices.
434111025826
Wuerth Elektronik & Kg
Wurth Elektronik 434111025826 is a white keypad switch with stainless steel housing. It has SPST switch function, 0.25mm actuator travel, and 3.24N max operating force. Ideal for applications requiring momentary-tactile action in electronics or industrial control systems.
434153017835
434153017835 Keypad Switch by Wurth Elektronik features SPST switch function, stainless steel housing, and blue actuator color. With a max operating force of 3.92N, it is ideal for applications requiring momentary switch action in electronic devices. Operating temperature ranges from -40 to 85°C make it suitable for various environments.
EVQQ2W03W
EVQQ2W03W by Panasonic is a keypad switch with 1 switch and a SPST function. It has an electrical life of 200,000 cycles and insulation resistance of 100MΩ. This switch is suitable for applications requiring momentary contact and surface mount straight mounting.
PTS636SP50SMTRLFS
PTS636SP50SMTRLFS by C & K Components is a black keypad switch with SPST function. It has an electrical life of 20,000 cycles and insulation resistance of 100M ohm. With sealing rating of IP40, it's ideal for applications requiring momentary-tactile switch action in temperatures ranging from -40 to 90°C.
3-1825910-1
Tyco Electronics Alcoswitch
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Switch Action: MOMENTARY; Manufacturer Series: 1825910; Terminal Finish: Silver (Ag);
TL1105SPF160Q1RBLK
TL1105SPF160Q1RBLK by E-switch is a SPST keypad switch with SILVER plating, 100000 cycle electrical life, and 100000000 ohm insulation resistance. It is ideal for applications requiring a momentary-tactile switch with 2.06N max operating force and -20 to 70°C temperature range.
PTS810SJS250SMTRLFS
PTS810SJS250SMTRLFS by C & K Components is a GRAY keypad switch with SPST function. It has an electrical life of 150,000 cycles and insulation resistance of 100M ohm. Ideal for applications requiring momentary-tactile switch action in temperatures ranging from -40 to 85°C.
1825955-6
TE Connectivity 1825955-6 is a black Keypad Switch with SPST function. Made of Polyamide, it has an electrical life of 100000 cycles and operates b/w -35 to 85°C. Ideal for panel mounting applications requiring momentary switch action with max DC contact current of 0.05A at 24VDC.
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