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.
2N7002
Teledyne Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JESD-30 Code: R-PDSO-G3; Maximum Operating Temperature: 150 Cel; No. of Terminals: 3;
SMBJ18CA
Yangzhou Yangjie Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Clamping Voltage: 29.2 V; Nominal Breakdown Voltage: 21.05 V; Maximum Repetitive Peak Reverse Voltage: 18 V; Polarity: BIDIRECTIONAL;
ULN2803ADWG4
Texas Instruments
ULN2803ADWG4 by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates at temperatures ranging from -40 to 85°C and has a max supply voltage of 3V. Ideal for applications requiring sink current flow direction in a small outline package style.
USB2514BI-AEZG
Microchip Technology
USB2514BI-AEZG by Microchip is a BUS CONTROLLER IC with 36 terminals, operating at 3.3V, supporting I2C, SMBUS, and USB buses. It has a clock frequency of up to 24MHz and can withstand industrial temperatures from -40°C to 85°C. This chip carrier package is surface mountable and suitable for various applications requiring USB connectivity.
ERJ3EKF1002V
Panasonic
Panasonic's ERJ3EKF1002V is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.1 W power dissipation. It operates b/w -55 to 155 °C and is ideal for surface mount applications in automotive electronics due to AEC-Q200 compliance.
BAV99
Lite-on Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Supertex
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; No. of Elements: 1; Maximum Feedback Capacitance (Crss): 5 pF;
Gec Plessey Semiconductors
LM317AEMP/NOPB
LM317AEMP/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and a max output current of 1.5A. It operates in temperatures ranging from -40°C to 125°C, making it suitable for various applications requiring precise voltage regulation in a compact package.
2N2222A
Itt Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
1N4148WS
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
M24308/2-1F
Cinch Connectivity Solutions
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Dielectric Withstanding Voltage (V): 1750VAC; No. of Connectors: ONE; Body Depth: .375 inch;
KSZ9031RNXIC
Micrel
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 48; Package Code: HVQCCN; Package Shape: SQUARE;
Fagor Electronica S Coop
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N5819HW-7-F
Diodes Incorporated
1N5819HW-7-F by Diodes Inc. is a Schottky rectifier diode with 40V reverse test voltage, 1A output current, and 0.75V forward voltage. It's a surface mount device in a small outline package ideal for efficiency applications at temperatures ranging from -65 to 125°C.
OPA2277UA
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
OPA2277UA by Texas Instruments is a dual operational amplifier with low-offset voltage of 100 uV and micropower consumption of 1.65 mA. Ideal for industrial applications, it offers high common mode rejection ratio of 140 dB and unity gain bandwidth of 1000 kHz in a small outline package.
STM32F405RGT6
STMicroelectronics
STM32F405RGT6 by STMicroelectronics is a 32-bit microcontroller with 2/3.3V power supplies, 16 external interrupts, and 196608 RAM bytes. Ideal for industrial applications, it features CAN(2), I2C(3), SPI(3) connectivity options and operates at a max clock frequency of 26 MHz. With low power mode and DMA support, it offers versatile performance in compact dimensions.
Silicon Standard
Rectron
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; Package Shape: ROUND;
B3U-1100PM-B
Omron
Omron's B3U-1100PM-B keypad switch offers 200000 cycles electrical life, IP40 sealing, and SPST switch function. With a plunger type actuator, it is ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -25 to 70°C.
MJTP1236F
Apem Components
The Apem Components MJTP1236F is a SPST keypad switch with 100000 cycles electrical life. Featuring a plunger type actuator, it has a max operating force of 1.86N and operates at temperatures ranging from -20°C to 70°C. Ideal for applications requiring momentary-tactile switch action in through hole-right angle mounting configurations.
4-1437565-1
Tyco Electronics Alcoswitch
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Maximum DC Contact Voltage: 24 V; Maximum Operating Temperature: 85 Cel; JESD-609 Code: e4;
MJTP1236A
The Apem Components MJTP1236A is a black keypad switch with stainless steel housing. Featuring SPST switch function, it has an electrical life of 100000 cycles and insulation resistance of 100M ohm. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -20°C to 70°C.
KSS241GLFS
C & K Components
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-RIGHT ANGLE; Switch Function: SPST; Type (Actuator): STANDARD TYPE; Solderability: REFLOW; Contact Resistance: 100 mohm;
TE Connectivity
TE Connectivity 4-1437565-1 is a black keypad switch with polyamide housing and copper alloy terminals. It offers SPST switch function, 100000 electrical life cycles, and 100000000 ohm insulation resistance. Ideal for panel mounting applications requiring momentary-tactile switch action.
EVQPC105K
The Panasonic EVQPC105K is a SPST Keypad Switch with 100000 cycles Electrical Life. It operates b/w -20 to 70°C, with a max DC Contact Voltage of 15V. Ideal for applications requiring a momentary switch action and through-hole-right angle mounting.
1301.9319.24
Schurter Ag
1301.9319.24 by Schurter Ag is a SPST Keypad Switch with BRASS terminals, 100000 cycles Electrical Life, and 0.25mm Actuator Travel. Ideal for applications requiring IP40 sealing, such as consumer electronics and industrial control panels due to its compact size and reliable performance in temperatures ranging from -20°C to 70°C.
B3U-3000P
Omron B3U-3000P is a dust-proof keypad switch with SPST function. It has an electrical life of 100K cycles, insulation resistance of 100M ohm, and operates b/w -25 to 70°C. Ideal for applications requiring momentary-tactile switches with surface mount-right angle mounting feature.
JJLV0UG1070NOPPRTR
TE Connectivity's JJLV0UG1070NOPPRTR is a SPST Keypad Switch with 0.005A AC/DC contact current. Featuring stainless steel end contacts and silver plating, it has an extended top actuator made of polyethylene. Ideal for panel mounting applications, this switch offers OFF-(ON) contact function.
147873-1
TE Connectivity's 147873-1 is a black keypad switch with a polyphenylene sulphide housing material. It has a single switch, SPST function, and an electrical life of 40,000 cycles. This panel mount switch is commonly used in applications requiring momentary-tactile action and can withstand temperatures from -35 to 85°C.
EVQP2202W
The Panasonic EVQP2202W is a SPST keypad switch with 1000000 cycle electrical life and 100000000 ohm insulation resistance. With a max operating force of 1.6N, it's ideal for applications requiring ON-OFF contact function in temperatures ranging from -40 to 85°C.
3-1825910-6
Tyco Electronics Amp
The Tyco Electronics Amp 3-1825910-6 Keypad Switch offers SPST switch function, 100000 cycles electrical life, and 5.99mm body width. Ideal for applications requiring a momentary switch with a max operating force of 3.04N, such as control panels or industrial equipment. Operating temperatures range from -35°C to 85°C for versatile use.
PTS645SK432LFS
PTS645SK432LFS by C & K Components is a SPST keypad switch with a 100000 cycle electrical life and 100000000000 ohm insulation resistance. It is commonly used in applications requiring momentary-tactile switch action, such as consumer electronics or industrial control systems.
TL1105SPF100Q
E-switch
TL1105SPF100Q by E-switch is a SPST keypad switch with 100000 cycle electrical life and 100000000 ohm insulation resistance. With a max operating force of 0.98N, it is ideal for applications requiring momentary-tactile switch action such as consumer electronics and industrial control panels.
B3W-9000-G1N
Omron B3W-9000-G1N keypad switch has a 1000000 cycle electrical life, GREEN LED illumination, and 100000000 ohm insulation resistance. Ideal for applications requiring a SPST switch function with plunger actuator type. Operating temperatures range from -25 to 70 °C.
EVPAYG0BA
KEYPAD SWITCH; Manufacturer Series: EVPAYG0;
EVQP2402W
The Panasonic EVQP2402W is a keypad switch with SPST function, 2.5mm actuator travel, and 500000 electrical life cycles. It operates b/w -40 to 85°C, has gold/silver terminal finish, and withstands up to 15V DC contact voltage. Ideal for applications requiring ON-OFF control in compact devices.
KSR211GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Packing Method: TAPE AND REEL;
434153017835
Wuerth Elektronik & Kg
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.
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