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; Body Height: .055 mm; JESD-609 Code: e4;
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Keypad Switches KMR421LFS attributes and parameters. Explore more Keypad Switches devices from C & K Components
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KMR421LFS 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.
LL4148
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
1N4148W-7-F
Diodes Incorporated
1N4148W-7-F by Diodes Inc. is a single rectifier diode with 0.715V max forward voltage and 100V max reverse voltage. Ideal for applications requiring fast switching speeds, it has a small outline package style and matte tin terminal finish, making it suitable for surface mount PCB designs.
SMBJ18CA
World Products
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
CRGCQ0805F10R
TE Connectivity
TE Connectivity's CRGCQ0805F10R is a 10 ohm fixed resistor with 1% tolerance and 400 ppm/°C temperature coefficient. It is a surface mount thick film resistor in an 0805 package, suitable for applications requiring precise resistance values in compact electronic circuits.
C0603C104K5RACTU
KEMET Corporation
KEMET C0603C104K5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V URdc. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications requiring compact size and reliable performance in various electronic circuits.
1N4148
Taitron Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
1N4148WT
Formosa Microsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
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;
2N2222A
Aeroflex/metelics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Package Shape: ROUND; Transistor Application: SWITCHING;
BSS138
Philips Semiconductors
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Operating Mode: ENHANCEMENT MODE; Maximum Operating Temperature: 150 Cel;
43025-0400
Molex
The Molex 43025-0400 is a board connector with 4 contacts, 2 rows, and a mating contact pitch of 0.118". It has a body length of 0.27", insulation resistance of 1Gohm, and operates b/w -40 to 105°C. Ideal for commercial applications requiring a female connector with crimp termination and UL94V-0 flammability rating.
Inter F E T
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Terminal Finish: TIN LEAD; Package Body Material: PLASTIC/EPOXY;
Itt Semiconductor
M39029/58-360
Tri-star Electronics International
CONNECTOR ACCESSORY; Material: COPPER ALLOY; MIL Conformity: YES; Associated Military - Specifications: MIL-C-55302/69, MIL-C-38999; MIL-Connector Accessory Name: CONTACT; Terminal Type: CRIMP;
LM2931Z-5.0G
Onsemi
LM2931Z-5.0G by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V output voltage, 0.6V dropout voltage, and 0.1A output current. It is ideal for applications requiring stable power supply in temperature-sensitive environments due to its operating range of -40°C to 125°C.
STM32H743BIT6
STMicroelectronics
STM32H743BIT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, 208 terminals, and 1085440 bytes of RAM. It features 2 DAC channels, 32 ADC channels, and operates at a max clock frequency of 48 MHz. Ideal for industrial applications requiring high-speed processing and extensive peripheral connectivity.
TDK
RECTIFIER DIODE; Surface Mount: YES; Terminal Finish: Tin/Lead (Sn/Pb); No. of Phases: 1; No. of Elements: 1; Maximum Output Current: .2 A;
LM358AN
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
FT232RQ-REEL
FTDI
FTDI's FT232RQ-REEL is a USB bus controller with 32 terminals, operating at 3.3-5.25V. It supports data transfer rates up to 60MBps and clock frequency of 12.02MHz, suitable for RS232/RS422/RS485 interfaces in various applications like industrial automation and communication systems.
Comchip Technology
3FTH920
Apem Components
KEYPAD SWITCH;
DTSM-63N-V-B
Diptronics Manufacturing
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): DOMED TYPE; Switch Action: MOMENTARY-TACTILE; Termination Type: SOLDER;
147694-1
Tyco Electronics Alcoswitch
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Body Length/Diameter: 6.19 mm; Maximum Operating Force: 2.06 N; Terminal Finish: Silver (Ag);
KSC401G50SHLFS
C & K Components
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Maximum Contact Bounce Time: 1 ms;
EVQQ2203W
Panasonic
The Panasonic EVQQ2203W is a SPST keypad switch with 100000 cycle electrical life and 100000000 ohm insulation resistance. Ideal for applications requiring ON-OFF contact function, it operates b/w -40 to 85 °C with a max DC contact voltage of 15V.
5GTH935+1SS09-11.0
5GTH935+1SS09-11.0 by Apem Components is a black keypad switch with PPS housing material, IP67 sealing, and SPST switch function. It has an electrical life of 10M cycles and insulation resistance of 10M ohm, suitable for applications requiring a durable and reliable keypad switch with momentary action.
EVQPAG07K
The Panasonic EVQPAG07K is a black keypad switch with 50000 cycles electrical life and 50000000 ohm insulation resistance. With SPST switch function, it operates b/w -20 to 70 °C, making it ideal for applications requiring momentary switch action and through-hole-straight mounting.
FMBN04BD
Nkk Switches
FMBN04BD by Nkk Switches is a 4-switch MEMBRANE KEYBOARD with 1000000 cycle Electrical Life and 100000000 ohm Insulation Resistance. Ideal for PANEL MOUNT applications, it has a max operating force of 6N and operates at temperatures ranging from -15 to 55 °C.
EVPBK4A1B000
Keypad Switches;
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.
5ETH920NCNO
5ETH920NCNO by Apem Components is a SPDT keypad switch with IP67 sealing, ideal for applications requiring durability. With an electrical life of 1000000 cycles, it operates b/w -40 to 160°C temperatures. Featuring a max DC contact voltage of 24V and a max operating force of 2N, this switch is suitable for various industrial settings.
2311402-1
KEYBOARD; Mounting Feature: PANEL MOUNT; Maximum Operating Temperature: 85 Cel; Packing Method: BULK; Minimum Operating Temperature: -40 Cel;
PTS636SK50JSMTRLFS
PTS636SK50JSMTRLFS by C & K Components is a RED keypad switch with SPST function. It has an electrical life of 30,000 cycles and insulation resistance of 100M ohm. Ideal for applications requiring a momentary-tactile switch with surface mount-straight mounting feature.
SKSGACE010
Alps Electric
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): STEM; Solderability: REFLOW; Circuit Config: 1X1;
EVQPQHB55
The Panasonic EVQPQHB55 keypad switch offers SPST switch function with 200000 cycles electrical life. With a max operating force of 2.1N, it is ideal for applications requiring momentary switch action. This surface mount straight termination type switch has a body width of 4.5mm and operates b/w -20 to 70°C temperature range.
EVQPE105K
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.
Itt Cannon
KSC401G50SHLFS by ITT Cannon is a SPST keypad switch with 1VA@32VDC power rating, IP67 sealing, and 1000000000 ohm insulation resistance. Ideal for applications requiring a soft type actuator, it operates b/w -40 to 85 °C with 0.05A@32VDC max DC contact current.
KSR223GNCLFG
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; No. of Switches: 1;
ADTSM63NV
ADTSM63NV by Apem Components is a SPST keypad switch with 200000 cycle electrical life. Featuring stainless steel housing and brass terminals, it has an actuator travel of 0.254mm. Ideal for surface mount applications requiring momentary-tactile switch action at temperatures ranging from -25 to 70 °C.
KSL1M211LFTR
KSL1M211LFTR by C & K Components is a SPST keypad switch with 1000000 cycles electrical life and 1VA@32VDC DC max power rating. It has an IP60 sealing, -40 to 85 °C operating temperature range, and SILVER end contact material. Ideal for applications requiring a long hard plastic actuator type with 4 PCB hole count.
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