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; Electrical Life: 200000 Cycle(s); Center Contact Material: SILVER;
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Keypad Switches KMR221LFS attributes and parameters. Explore more Keypad Switches devices from C & K Components
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:
Switch Function:
Switch Type:
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KMR221LFS 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.
BSS138LT3G
Onsemi
BSS138LT3G by Onsemi is a N-CHANNEL FET with a min DS breakdown voltage of 50V. It is used for switching applications and has a max drain current of 0.2A and max drain-source on resistance of 3.5 ohm.
LL4148
Goodwork Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
SMBJ18CA
Multicomp Pro
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Diode Element Material: SILICON; Technology: AVALANCHE; Maximum Repetitive Peak Reverse Voltage: 18 V; Nominal Breakdown Voltage: 21.05 V;
SS14
Pro-an Electronic
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WSF-7
Diodes Incorporated
1N4148WSF-7 by Diodes Inc. is a single silicon rectifier diode with max output current of 0.25A and max reverse voltage of 100V. It operates b/w -55 to 150°C, has a small outline package style, and is suitable for surface mount applications in various electronic circuits.
LM555CM
Intersil
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
IRLML6402TRPBF
International Rectifier
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 1.3 W; Peak Reflow Temperature (C): 260; Package Style (Meter): SMALL OUTLINE;
EU2B-YS3203F
Idec
ROTARY SWITCH;
Texas Instruments
LM555CM by Texas Instruments is an Analog Waveform Generation IC with a supply voltage range of 4.5V to 16V and max operating temperature of 70°C. It comes in a small outline package, suitable for applications requiring pulse generation or rectangular waveform outputs. With surface mount capability and low supply current of 15mA, it is ideal for commercial-grade electronic circuits.
BAV99
Motorola
RECTIFIER DIODE; Surface Mount: YES; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us; Maximum Repetitive Peak Reverse Voltage: 70 V; JESD-609 Code: e0;
1N4148
Semitronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
RC0805FR-0710KL
Yageo
Yageo's RC0805FR-0710KL is a 10000 ohm SMT fixed resistor with 1% tolerance and 0.125 W power dissipation. Ideal for applications requiring resistance to operate b/w -55°C to 155°C, such as in automotive electronics or industrial control systems. Features metal glaze/thick film technology and matte tin finish with nickel barrier.
SSL-LXA228SRC-TR11
Lumex
SSL-LXA228SRC-TR11 by Lumex is a 1.9mm SINGLE COLOR LED with peak wavelength of 660nm and max forward current of 0.03A. Ideal for applications requiring SUPER RED light emission, such as indicator lights in electronic devices due to its clear lens and surface mounting feature.
Daco Semiconductor
LM107H/883
LM107H/883 by Texas Instruments is a MIL-STD-883 compliant operational amplifier with 3000uV max input offset voltage, 80dB common mode reject ratio, and 250kHz unity gain bandwidth. Ideal for military applications due to its -55 to 125 °C operating temperature range and robust metal package body material.
General Instrument
87832-1420
Molex
87832-1420 by Molex is a 14-contact board connector with 0.079" pitch, suitable for commercial applications. It features matte tin over nickel finish, glass-filled polyamide insulator, and polarization key for easy assembly. Withstanding voltage of 1400VAC and operating temperature range from -55 to 105°C make it reliable for various electronic devices.
MBR0520LT1
MBR0520LT1 by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.385V and output current of 0.5A. It operates b/w -65°C to 125°C, making it suitable for applications requiring low power consumption in compact electronic devices. This single-configured diode is surface mountable and has a max repetitive peak reverse voltage of 20V, ideal for small outline package designs.
2N7002
Telcom Semiconductor
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Operating Temperature: 150 Cel; JESD-609 Code: e0;
LM107H/883C
Rochester Electronics
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Package Equivalence Code: CAN8,.2;
D6C90F2LFS
Itt Cannon
D6C90F2LFS by ITT Cannon is a black keypad switch with SPST function. It has an electrical life of 250,000 cycles and operates at temperatures ranging from -20 to 85°C. Ideal for applications requiring a momentary-tactile switch with a max DC contact voltage of 32V and current rating of 0.1A.
5GTH935RAS
Apem Components
5GTH935RAS by Apem Components is a keypad switch with SPST function, IP67 sealing, and 1000000 electrical life cycles. It features POLYPHENYLENE SULPHIDE housing material and COPPER TIN ALLOY terminals. Ideal for applications requiring a durable, sealed keypad switch with high electrical life expectancy.
3CSH9
The Apem Components 3CSH9 keypad switch has an electrical life of 10M cycles, IP67 sealing, and SPST switch function. Ideal for applications requiring a durable pushbutton switch with a max DC contact voltage of 24V. Suitable for use in environments with temperatures ranging from -40°C to 160°C.
EVQQ2W03W
Panasonic
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.
1825910-2
TE Connectivity
TE Connectivity's 1825910-2 is a black nylon keypad switch with SPST switch function. It has a max operating temperature of 85°C and a min operating temperature of -35°C. This panel mount switch is commonly used in applications requiring momentary action and solder termination.
2-1437565-7
Tyco Electronics Amp
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Maximum DC Contact Current: .05 A; Termination Type: SOLDER; Circuit Config: 1X1;
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);
1.14.002.101/0000
Rafi & Kg
1.14.002.101/0000 keypad switch by Rafi & Kg has an electrical life of 1000000 cycles, SPST switch function, and hermetically sealed sealing. It is a momentary switch type with a max operating force of 3N, ideal for surface mount applications requiring reliable tactile feedback.
KSR221GNCLFS
C & K Components
KSR221GNCLFS by C & K Components is a SPST keypad switch with 200000 cycles electrical life, 1VA@32VDC power rating, and IP50 sealing. Ideal for applications requiring momentary-tactile switch action in environments with temperatures ranging from -40 to 85 °C.
PTS645SM70SMTR92LFS
PTS645SM70SMTR92LFS by C & K Components is a SPST keypad switch with 100000 cycle electrical life and 100000000000 ohm insulation resistance. With a max operating force of 1.57N, it is ideal for applications requiring momentary-tactile switch action in temperatures ranging from -20 to 60°C.
1-1825910-1
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Maximum DC Contact Voltage: 12 V; DC Maximum Rating R Load (Contact): .05A@12VDC; Electrical Life: 50000 Cycle(s);
EVQPF008K
The Panasonic EVQPF008K is a SPST keypad switch with 100000 cycles electrical life. It operates b/w -20 to 70 °C and has a max contact voltage of 15V. Ideal for applications requiring momentary switch action, such as consumer electronics and industrial control systems.
KT11P4SA1M34LFS
KT11P4SA1M34LFS by C & K Components is a SPST Keypad Switch with 100000 cycles Electrical Life, 1VA@32VDC DC Max Power Rating, and IP57 Sealing. Ideal for applications requiring momentary-tactile switch action in harsh environments due to MIL-STD solderability and SILVER plating.
EVQP7L01K
The Panasonic EVQP7L01K is a SPST Keypad Switch with 100000 cycles electrical life. It has a max operating force of 1.6N and operates b/w -20 to 70°C. Ideal for applications requiring momentary switch action, such as surface mount-right angle mounting in electronic devices.
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.
228EMSARAFR
Cts
Cts 228EMSARAFR keypad switch features SPST function, with red and amber LED illumination. It has an electrical life of 100000 cycles, IP67 sealing for waterproofing, and operates b/w -40 to 85°C. Ideal for applications requiring a momentary-tactile switch with surface mount-right angle mounting feature.
5GTH9352242
5GTH9352242 by Apem Components is a keypad switch with POLYPHENYLENE SULPHIDE housing, COPPER TIN ALLOY terminals, and GREEN/YELLOW LED illumination. It has an electrical life of 10M cycles, IP67 sealing, and operates b/w -30 to 85°C. Ideal for applications requiring SPST switches with high durability and tactile feedback.
CS11028.0F160
Cit Relay & Switch
CS11028.0F160 by Cit Relay & 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 type, it features NYLON housing and BRASS terminals for durability in temperatures ranging from -40 to 85 °C.
DTSM-63N-V-T/R
DTSM-63N-V-T/R by Apem Components is a brown keypad switch with a single SPST switch. It has an electrical life of 200,000 cycles and can operate in temperatures ranging from -25 to 70°C. This surface mount straight switch is commonly used in various applications requiring momentary tactile action.
TL3340AF160QG
E-switch
TL3340AF160QG by E-switch is a SPST keypad switch with a 100000 cycle electrical life. It has a max operating temperature of 85°C and a min operating temperature of -35°C. This switch is commonly used in applications requiring momentary-tactile action, such as surface mount-right angle mounting configurations.
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