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; JESD-609 Code: e4; Minimum Operating Temperature: -40 Cel;
Median Price
$0.325
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Mouser Electronics
1+ parts
$0.750
100+ parts
$0.543
1k+ parts
$0.449
10k+ parts
$0.377
DigiKey
$0.760
$0.542
$0.418
TTI Europe
-
Future Electronics
Chip1Stop
$0.274
NEP Electronics
Newark
$0.505
PEI Genesis
Master Electronics
$0.323
Farnell
$0.361
Verical
Arrow
TME
$0.510
$0.391
$0.260
Ozdisan Elektronik
$0.722
IBS Electronics
$0.477
Pegasus Components GmbH
NAC Semi
$0.630
ComSIT Distribution GmbH
Prism Electronics
Bristol Electronics
Perfect Parts
Kepictronics
Assy Fe
GreenTree Electronics
Metaverse IC Inc.
Authorized Procurement Solutions
XScomponents
Keypad Switches KMR421GLFS attributes and parameters. Explore more Keypad Switches devices from C & K Components
Length (Actuator):
Actuator Travel (mm):
Body Width:
Body Height:
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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:
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Switch Action:
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KMR421GLFS 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
Itt Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
DS18B20U
Dallas Semiconductor
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Minimum Operating Temperature: -55 Cel; Package Equivalence Code: TSSOP8,.19;
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.
TM4C1294NCPDTI3
Texas Instruments
TM4C1294NCPDTI3 by Texas Instruments is a 32-bit microcontroller with Cortex-M4F CPU family. It features 8KB data EEPROM, 20-Ch 12-Bit ADC channels, and 32 DMA channels. Ideal for industrial applications requiring high-speed processing, it offers connectivity options like CAN, Ethernet, I2C, SPI, UART, and USB.
STM32H750VBT6
STM32H750VBT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, offering 20 timers and 16 DMA channels. It features 2 DAC and 16 ADC channels, suitable for industrial applications requiring high-speed processing up to 48 MHz. With extensive connectivity options like FDCAN, Ethernet, and USB, it provides versatile solutions in a compact package.
1N4148
Lite-on Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
CRCW06030000Z0EAHP
Vishay Intertechnology
Vishay Intertechnology's CRCW06030000Z0EAHP is a 0 ohm jumper resistor with METAL GLAZE/THICK FILM tech. Operating temp range -55 to 155 °C, it's SMT package style makes it ideal for automotive applications meeting AEC-Q200 standard.
DS18B20
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 3; Package Shape or Style: ROUND; Housing: PLASTIC; Output Interface Type: 1-WIRE INTERFACE;
LM107H/883C
Rochester Electronics
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Package Equivalence Code: CAN8,.2;
Excel (Suzhou) Semiconductor
BAV99
Toshiba
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
2N2222A
Crimson Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Jiangsu Changjiang Electronics Technology
RECTIFIER DIODE; Surface Mount: YES; Maximum Forward Voltage (VF): .715 V; Maximum Operating Temperature: 150 Cel; Maximum Reverse Recovery Time: .006 us; Maximum Output Current: .2 A;
M24308/2-1F
Air Electro
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; MIL Conformity: YES; Additional Features: STANDARD: MIL-DTL-24308;
Rugao Dachang Electronic
2N7002
National Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Package Style (Meter): SMALL OUTLINE; Terminal Position: DUAL;
Sinyork
RECTIFIER DIODE; Surface Mount: NO; Maximum Non Repetitive Peak Forward Current: .5 A; Maximum Output Current: .15 A; Maximum Repetitive Peak Reverse Voltage: 100 V; No. of Phases: 1;
06035C103KAT2A
KYOCERA AVX
06035C103KAT2A by KYOCERA AVX is a SMT ceramic capacitor with 0.01uF capacitance and 50V URdc. It has X7R temperature characteristics, -55 to 125 °C operating range, and 10% tolerance. Ideal for applications requiring compact surface mount capacitors with stable performance in a wide temperature range.
BAV99-7-F
Diodes Incorporated
Diodes Inc. BAV99-7-F is a series-connected, center tap diode with 2 elements in a small outline package. It has a max reverse recovery time of 0.004 us and can handle up to 0.3A output current. Ideal for rectification applications requiring fast switching and low reverse current requirements.
C1206C104M5RACTU
KEMET Corporation
KEMET C1206C104M5RACTU 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 ±20% tolerance. Ideal for surface mount applications in electronics requiring stable capacitance across temperatures.
USLPT3737AL5TR
TE Connectivity
TE Connectivity's USLPT3737AL5TR is a POLYETHYLENE keypad switch with SPST function. It operates b/w -40 to 85 °C, with max AC contact current of 0.05 A. Ideal for panel mount applications, featuring FLUSH TOP TYPE actuator and SILVER plating on center contact.
TL3305AF260QG
E-switch
TL3305AF260QG by E-switch is a SPST keypad switch with 200000 cycles electrical life. Featuring 0.2mm actuator travel and 2.45N max operating force, it's ideal for applications requiring momentary-tactile switch action. With a DC contact voltage of 12V and solder termination type, it offers reliable performance in various electronic devices.
KMS231GLFS
C & K Components
KMS231GLFS by C & K Components is a SPST keypad switch with 100000 cycle electrical life and 1VA@32VDC DC max power rating. With sealing of IP40, it's ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -40 to 85 °C.
434331045822
Wuerth Elektronik & Kg
Wurth Elektronik 434331045822 is a black keypad switch with stainless steel housing. It has SPST switch function, stem actuator type, and 100000 electrical life cycles. Ideal for applications requiring momentary-tactile switch action in temperatures ranging from -40 to 85°C.
KMS223GPLFG
KMS223GPLFG by C & K Components is a SPST keypad switch with 100000 cycle electrical life and 0.2VA@32VDC DC max power rating. It has a sealing of IP40, suitable for surface mount-right angle applications in various electronic devices due to its momentary-tactile switch action and gold contact materials.
KSC341GLFS
Itt Cannon
KSC341GLFS by ITT Cannon is a SPST keypad switch with SILVER plating, IP67 sealing, and 1VA@32VDC power rating. Ideal for applications requiring a hard type actuator, it operates b/w -40 to 85 °C and has a max contact bounce time of 1 ms. Suitable for surface mount-straight mounting, it offers momentary-tactile switch action in a compact 6.2mm body size.
B3FS-1002P-SUS
Omron
Omron B3FS-1002P-SUS is a SPST Keypad Switch with 300000 cycles Electrical Life. It has 0.25mm Actuator Travel, 1.96N Max Operating Force, and -25 to 70°C Temp Range. Ideal for applications requiring momentary-tactile switch action in surface mount installations.
SKTDLDE010
Alps Electric
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-RIGHT ANGLE; Switch Function: SPST; Type (Actuator): STEM; Solderability: REFLOW; Contact Resistance: 500 mohm;
EVQ11U09K
Panasonic
The Panasonic EVQ11U09K is a black keypad switch with 50000 cycles electrical life and 50000000 ohm insulation resistance. With SPST switch function, it has a 0.25mm actuator travel and operates b/w -20°C to 70°C. Ideal for applications requiring momentary switch action and through-hole-straight mounting, it offers reliable performance in various electronic devices.
DTS-24N-V
Diptronics Manufacturing
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Type (Actuator): DOMED TYPE; Contact Function: ON-OFF; Packing Method: BAG;
MSLPT5252CG3BTR
TE Connectivity's MSLPT5252CG3BTR is a black keypad switch with SPST function. Made of polyethylene, it has a max operating temperature of 70°C and can handle up to 0.05A AC/DC contact current. Ideal for panel mounting applications requiring a durable switch with silver plating on center contacts.
TL3330AF260QG
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.
B3F-3122
Omron B3F-3122 Keypad Switch offers SPST switch function with 300000 cycles electrical life. Featuring 7.4mm body height, it has a max operating force of 1.96N and operates at temperatures ranging from -25 to 70°C. Ideal for applications requiring momentary-tactile switch action in various industries.
B3FS-1050
Omron B3FS-1050 keypad switch has 1000000 cycles electrical life, SPST switch function, and 1.27N max operating force. Ideal for surface mount applications with -25 to 70°C temp range and 0.05A@24VDC DC max rating load.
B3U-3100PM-B
Omron B3U-3100PM-B is a black keypad switch with SPST function. It has an electrical life of 100,000 cycles and insulation resistance of 100M ohm. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -25°C to 70°C.
B3W-1052
Omron B3W-1052 keypad switch in YELLOW color, with 300000 cycles electrical life and IP67 sealing. Ideal for applications requiring SPST switch function, such as industrial control panels or medical devices.
ADTS61RV
Apem Components
ADTS61RV by Apem Components is a red keypad switch with a stainless steel housing. It has a single switch and a thermoplastic actuator with an actuator travel of 0.254mm. This switch is commonly used in applications that require momentary-tactile action, such as control panels or industrial equipment.
KMT071NGJLHS
KMT071NGJLHS by C & K Components is a SPST keypad switch with IP68 sealing, suitable for surface mount applications. It offers an electrical life of 300K cycles, DC max power rating of 0.5VA@32VDC, and insulation resistance of 50M ohm. Ideal for use in environments requiring high durability and reliability.
B3F-1026
Omron B3F-1026 Keypad Switch features SPST switch function, 50,000 cycles electrical life, and 100M ohm insulation resistance. Ideal for applications requiring a momentary-tactile switch with a max operating force of 6.37N.
EVQPSD02K
The Panasonic EVQPSD02K keypad switch has an electrical life of 100,000 cycles and a max operating force of 2.3N. With SPST switch function and knob type actuator, it is ideal for applications requiring momentary switch action in electronics with a DC contact voltage of up to 12V.
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