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.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Solderability: REFLOW; JESD-609 Code: e4; Minimum Operating Temperature: -40 Cel;
Median Price
$0.336
Lifecycle Status
Suppliers In-Stock
19
In-Stock Inventory
1k+
Mouser Electronics
1+ parts
$0.730
100+ parts
$0.543
1k+ parts
$0.449
10k+ parts
$0.376
DigiKey
$0.760
$0.542
$0.418
TTI Europe
-
Future Electronics
$0.315
Chip1Stop
$0.274
NEP Electronics
PEI Genesis
Master Electronics
$0.323
Farnell
$0.361
Verical
Arrow
TME
$0.520
$0.395
$0.326
$0.263
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:
Body Length/Diameter:
Center Contact Material:
Circuit Config:
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:
Solderability:
Switch Action:
Switch Function:
Switch Type:
Terminal Finish:
Termination Type:
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.
OPA2277UA
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
1N4148
Digitron Semiconductors
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LL4148
Vishay Intertechnology
Vishay Intertechnology's LL4148 diode features a max reverse recovery time of 0.004 us, forward voltage of 1 V, and output current of 0.15 A. Ideal for rectification applications in electronics due to its high efficiency and low power dissipation capabilities.
LM317T
Micro Commercial Components
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Moisture Sensitivity Level (MSL): 1; Maximum Output Current-1: 1.5 A; Operating Temperature (TJ-Min): 0 Cel;
DS18B20Z+T&R
Maxim Integrated
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 Body Material: PLASTIC/EPOXY;
Nte Electronics
LM358AN
NXP Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
LM7805CT
Silicon Group
Other Regulators; No. of Terminals: 3; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %; Package Body Material: PLASTIC/EPOXY; Maximum Load Regulation: .05 %;
Formosa Microsemi
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
DS18B20
Dallas Semiconductor
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;
BAV99
Siemens
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
SMMBT3904LT1G
Onsemi
SMMBT3904LT1G by Onsemi is a NPN BJT with 3 terminals, 0.3W power dissipation, and 40V max collector-emitter voltage. Ideal for small outline applications requiring a transistor with hFE of at least 30, it operates up to 150°C and has a transition frequency of 300MHz.
LL4148-GS08
Vishay Telefunken
1N4148WS
Surge Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SS14
Rugao Dachang Electronic
RECTIFIER DIODE; Surface Mount: YES; Maximum Repetitive Peak Reverse Voltage: 40 V; Maximum Forward Voltage (VF): .55 V; No. of Elements: 1; Technology: SCHOTTKY;
LM358N
CRCW06031K00FKEAHP
Vishay Intertechnology's CRCW06031K00FKEAHP is a fixed resistor with 1000 ohm resistance, 1% tolerance, and 0.33 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 standard compliance and operating voltage of 75 V.
USB3320C-EZK-TR
Microchip Technology
Microchip Technology's USB3320C-EZK-TR is a Bus Controller IC with 32 terminals, operating at 1.6-2V. It supports USB bus compatibility, clock frequency up to 60MHz, and CMOS technology. Ideal for applications requiring Universal Serial Bus peripherals in compact designs with low power consumption.
OPA2227UA
DTSM-61Y-V-T/R
Apem Components
DTSM-61Y-V-T/R by Apem Components is a yellow keypad switch with a 50000 cycle electrical life. It has a body width of 6.1976 inch and can operate in temperatures ranging from -25 to 70 °C. This surface mount straight switch is ideal for applications requiring a pushbutton type actuator and max DC contact voltage of 12V.
PTS636SM43SMTRLFS
C & K Components
PTS636SM43SMTRLFS by C & K Components is a black keypad switch with SPST function. It has an electrical life of 50,000 cycles and insulation resistance of 100M ohm. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -40 to 90°C.
1301.9318
Schurter Ag
1301.9318 by Schurter Ag is a SPST Keypad Switch with BRASS terminals, 100000 cycles electrical life, and 2.1N max operating force. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -20 to 70°C.
KSA0V211LFTR
KSA0V211LFTR 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 reliable keypad switch with short hard plastic actuator type.
EVPANDA1A
Panasonic
EVPANDA1A by Panasonic 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 12V and Max Operating Force of 2.2N. Ideal for applications requiring momentary switch action in compact spaces.
KMR213GLFG
Itt Cannon
KMR213GLFG by ITT Cannon is a 2.8" keypad switch with IP40 sealing, SPST switch function, and 1 ms contact bounce time. Ideal for applications requiring a momentary-tactile surface mount switch with 1.5N operating force and -40 to 125°C temperature range.
KSS333GLFG
KSS333GLFG by ITT Cannon is a SPST keypad switch with 100000 cycle electrical life and 0.2VA@32VDC DC max power rating. With IP40 sealing, it is ideal for applications requiring a large type actuator, such as industrial control panels or medical devices.
TL3145AF350QJ
E-switch
KEYPAD SWITCH;
PTS647SN50SMTR2LFS
PTS647SN50SMTR2LFS by C & K Components is a SPST Keypad Switch with 100000 cycle Electrical Life and 100000000 ohm Insulation Resistance. With a compact design of 4.5mm body width and 2.9mm body height, it's ideal for applications requiring a momentary-tactile switch action in temperatures ranging from -20 to 70°C.
5GTH935
5GTH935 by Apem Components is a keypad switch with POLYPHENYLENE SULPHIDE housing, IP67 sealing, and SPST switch function. It has 10mm body width, 6.4mm height, and operates b/w -40 to 160 °C. Ideal for applications requiring a momentary-tactile switch with high electrical life and insulation resistance.
PTS645SM50SMTR92LFS
PTS645SM50SMTR92LFS by C & K Components is a SPST keypad switch with a 100000 cycle electrical life and 100000000000 ohm insulation resistance. It has a max operating temperature of 60 °C and is commonly used in surface mount applications.
87CC3-201
Grayhill
Grayhill's 87CC3-201 keypad switch features SPST function, 3000000 cycle electrical life, and 1000000000 ohm insulation resistance. Ideal for keyboard applications with OFF-(ON) contact function, this white switch has a 0.2794mm actuator travel and operates b/w -40 to 80 °C temperatures.
SKHHNHA010
Alps Electric
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-RIGHT ANGLE; Switch Function: SPST; Type (Actuator): STEM; Contact Function: ON-OFF; Solderability: HAND;
EVQP2402M
The Panasonic EVQP2402M is a SPST keypad switch with 500000 cycle electrical life. With 2.5mm actuator travel, it operates b/w -40 to 85 °C and has a max DC contact voltage of 15V. Ideal for ON-OFF applications, this snap action switch offers momentary switch action and features surface mount-straight mounting.
TL1105SPF160Q1RWHT
TL1105SPF160Q1RWHT by E-switch is a SPST Keypad Switch with SILVER plating, 100000 cycle Electrical Life, and 100000000 ohm Insulation Resistance. Ideal for applications requiring a momentary-tactile switch action, it has a max operating force of 2.06N and operates b/w -20 to 70°C temperatures.
5ESH935+1YS0616
KMR441GLFS
KMR441GLFS by C & K Components is a SPST keypad switch with 100000 cycle electrical life and 1VA@32VDC DC max power rating. With IP40 sealing, it is ideal for applications requiring a momentary-tactile switch action in temperatures ranging from -40 to 85 °C.
B3F-5050
Omron
The Omron B3F-5050 Keypad Switch features SPST switch function, 10000000 cycle electrical life, and 100000000 ohm insulation resistance. Ideal for applications requiring a momentary-tactile switch with a max operating force of 1.76 N and contact timing of break-before-make.
DTSM-61R-V-T/R
The Apem Components DTSM-61R-V-T/R is a red keypad switch with 100000 cycles electrical life. It operates b/w -25 to 70 °C and has a max DC contact voltage of 12V. Ideal for surface mount applications, it features a pushbutton actuator type and solder termination.
B3S-1100P
Omron B3S-1100P keypad switch offers 500000 cycles electrical life, IP67 sealing, and 100000000 ohm insulation resistance. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -25 to 70 °C.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved