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; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Maximum Operating Force: 2.8 N;
Median Price
$0.376
Lifecycle Status
Suppliers In-Stock
15
In-Stock Inventory
1k+
Farnell
1+ parts
$0.533
100+ parts
$0.433
1k+ parts
$0.394
10k+ parts
-
Mouser Electronics
$0.550
$0.446
$0.323
$0.303
Newark
$0.623
$0.506
$0.397
Element14
$0.787
$0.581
$0.529
Future Electronics
$0.172
$0.164
Master Electronics
$0.296
$0.276
Verical
$0.330
DigiKey
$0.422
$0.357
Chip1Stop
$0.272
Arrow
$0.266
$0.264
TME
$0.470
$0.385
Bristol Electronics
$0.525
$0.210
$0.147
IBS Electronics
NAC Semi
$0.344
Rutronik
$0.315
Aztec Data Supply Inc.
$1.418
Perfect Parts
GreenTree Electronics
Glotronic Ltd.
ChipstoGo Electronic ltd
Assy Fe
Authorized Procurement Solutions
Keypad Switches KSC721JLFS attributes and parameters. Explore more Keypad Switches devices from C & K Components
Length (Actuator):
Actuator Travel (mm):
Type (Actuator):
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Center Contact Material:
Center Contact Plating:
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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:
End Contact Plating:
Insulation Resistance:
Mounting Feature:
No. of Switches:
Maximum Operating Force:
Maximum Operating Temperature:
Minimum Operating Temperature:
Packing Method:
Sealing:
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Termination Type:
KSC721JLFS Switches trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.50.90.40
SB
PCN Design/Specification - KSC Series Marking 19/Sep/2014
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.
BAV99
Zetex Plc
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
General Instrument
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
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;
Transpro Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; JESD-609 Code: e0; Terminal Finish: Tin/Lead (Sn/Pb); Nominal Breakdown Voltage: 21.1 V; Maximum Clamping Voltage: 29.2 V;
2N2222A
Crystalonics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LL4148
Sangdest Microelectronics (Nanjing)
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
1N4148
Unitrode
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
ULN2803A
Motorola
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; Terminal Position: DUAL; JESD-30 Code: R-PDIP-T18;
Continental Device India
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Jgd Semiconductors
RECTIFIER DIODE; Surface Mount: NO; Maximum Operating Temperature: 175 Cel; Maximum Reverse Recovery Time: .004 us; Maximum Non Repetitive Peak Forward Current: .5 A; Maximum Forward Voltage (VF): 1 V;
M24308/2-1F
Tyco Electronics Amp
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; IEC Conformity: NO; Mixed Contacts: NO; Empty Shell: NO;
C1210C104K5RACTU
KEMET Corporation
KEMET C1210C104K5RACTU is a ceramic capacitor with 0.1uF capacitance, rated for 50V. It has X7R temperature characteristics and ±10% tolerance, suitable for surface mount applications in a wide temperature range from -55°C to 125°C. Its compact rectangular package makes it ideal for various electronic devices.
MBRS340T3G
Onsemi
MBRS340T3G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.5V and output current of 4A. It operates b/w -65°C to 150°C, making it suitable for various applications requiring high-speed switching and low power loss in a small outline package. The diode's matte tin terminal finish and dual position make it ideal for surface mount PCB designs.
EPCS4SI8N
Altera
CONFIGURATION MEMORY; Temperature Grade: INDUSTRIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Parallel or Serial: SERIAL;
LM358N
Texas Instruments
LM358N by Texas Instruments is an operational amplifier with 2 functions, offering a max input offset voltage of 9000 uV and a nominal common mode reject ratio of 85 dB. Widely used in commercial applications, it operates at temperatures ranging from 0 to 70 °C and has a unity gain bandwidth of 1000 kHz.
1N4148WS
Tak Cheong Electronics Holdings
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Goodwork Semiconductor
LM7805CT
Fairchild Semiconductor
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
OHN3140U
Tt Electronics Plc
OHN3140U by Tt Electronics Plc is a magnetic field sensor with a max supply voltage of 24V and hysteresis of 2mT. It features an output range of 25mA and operates b/w -20 to 85°C. Ideal for applications requiring precise detection and measurement of magnetic fields in various industries.
Sensitron Semiconductor
KSR251GLFS
Itt Cannon
KSR251GLFS by ITT Cannon is a keypad switch with a body width of 3.8 inch and sealing rating of IP50. It has an electrical life of 100000 cycles and is commonly used in applications requiring momentary switch action, such as surface mount straight mounting feature.
DTSA-65N-V
Apem Components
The Apem Components DTSA-65N-V is a keypad switch with a single SPST switch and an electrical life of 200,000 cycles. It has a body width of 7.1882 inches and is commonly used in applications requiring momentary-tactile switch action.
4-2213819-9
TE Connectivity
TE Connectivity's 4-2213819-9 Keypad Switch features a BROWN THERMOPLASTIC housing, BLUE LED illumination, and SPST switch function. With a 200000 cycle electrical life, it is ideal for applications requiring momentary-tactile switch action in various electronic devices.
SKRKAHE020
Alps Electric
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): STEM; Solderability: REFLOW; Circuit Config: 1X1;
KS12R22CQD
C & K Components
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPDT; Contact Function: ON-(OFF); Solderability: MIL-STD; Minimum Operating Temperature: -30 Cel;
KSR211GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Packing Method: TAPE AND REEL;
PTS636SP50LFS
PTS636SP50LFS by C & K Components is a black keypad switch with an electrical life of 20,000 cycles. With IP40 sealing and SPST switch function, it operates b/w -40°C to 90°C. Ideal for applications requiring momentary-tactile action and through-hole-straight mounting.
MCDTS6-2N
Multicomp Pro
MCDTS6-2N by Multicomp Pro is a SPST keypad switch with 200000 cycles electrical life. Featuring a 6.2mm body width and 3.5mm height, it operates b/w -25°C to 70°C. Ideal for applications requiring a dome type actuator, such as control panels or industrial equipment.
PTS526SK15SMTR2LFS
KEYPAD SWITCH;
EVQP7M01K
Panasonic
The Panasonic EVQP7M01K 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 current of 0.05A. Ideal for surface mount-right angle applications, it has a compact body size of 2.9" x 1.35mm x 3.5mm and requires an operating force of 1.6N.
MX1A-C1NW
The Cherry
KEYPAD SWITCH; Manufacturer Series: MX;
431256038716
Wuerth Elektronik & Kg
431256038716 by Wurth Elektronik is a black keypad switch with steel housing. It has an electrical life of 200,000 cycles and insulation resistance of 100M ohm. Ideal for applications requiring a SPST switch function, such as consumer electronics or industrial control systems.
B3SN-3012P
Omron
Omron B3SN-3012P Keypad Switch features IP67 sealing, 100000 cycle electrical life, and 100000000 ohm insulation resistance. Ideal for applications requiring a SPST switch function with 2.06N max operating force. Suitable for surface mount-straight mounting with solder termination type.
B3FS-1012P
Omron B3FS-1012P Keypad Switch offers SPST switch function, 300000 cycles electrical life, and 1.96N max operating force. Ideal for surface mount applications with -25 to 70°C temp range and 0.05A@24VDC DC rating.
TL3315NF160Q
E-switch
TL3315NF160Q by E-switch is a SPST Keypad Switch with 500000 cycles Electrical Life, 0.2mm Actuator Travel, and -20 to 70°C Operating Temperature range. Ideal for applications requiring momentary-tactile switch action in surface mount installations.
FSMIJ65AB04
TE Connectivity's FSMIJ65AB04 is a brown keypad switch with a thermoplastic housing. It has a single switch, blue LED illumination, and an electrical life of 200,000 cycles. This momentary-tactile switch is commonly used for panel mounting applications.
KST221JLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Dielectric Withstand Volts (V): 250VRMS;
PTS641SK34SMTR2LFS
PTS641SK34SMTR2LFS by C & K Components is a RED Keypad Switch with SPST function, 100000 cycle Electrical Life, and 100000000 ohm Insulation Resistance. Ideal for applications requiring a MOMENTARY-TACTILE switch type with 0.2mm Actuator Travel, it operates b/w -20 to 85 °C and has a max DC Contact Voltage of 12V.
KMR241GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Solderability: REFLOW; JESD-609 Code: e4; Contact Resistance: 100 mohm;
430481025816
430481025816 by Wurth Elektronik is a black keypad switch with stainless steel housing. It has an electrical life of 1000000 cycles and insulation resistance of 100M ohm. Ideal for applications requiring a momentary switch action, with max operating force of 2.06N and DC contact current of 0.05A@12VDC.
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