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
$0.432
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
-
DigiKey
$0.550
$0.445
$0.270
Mouser Electronics
$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
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):
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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:
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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.
LM555CN
Intersil
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
SMBJ18CA
Continental Device India
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
350766-1
TE Connectivity
TE Connectivity 350766-1 is a rectangular power connector with 0.25" mating contact pitch, rated for 600V and operating temperatures from -55 to 105°C. It has a durable design with POLYAMIDE insulator material, suitable for commercial applications requiring secure crimp termination in cable mounting setups.
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.
LL4148
Semtech Electronics
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM2931AZ-5.0G
Onsemi
LM2931AZ-5.0G by Onsemi is a fixed positive single output LDO regulator with a nominal output voltage of 5V and max output current of 0.1A. It has a max dropout voltage of 0.6V, making it suitable for applications requiring stable power supply in temperature-sensitive environments up to 125°C. The package style is cylindrical with wire terminals, ideal for rail packing methods in various electronic devices.
1N4148
International Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
SS14
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Kec
RECTIFIER DIODE; Surface Mount: NO; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Non Repetitive Peak Forward Current: 2 A; Config: SINGLE; Maximum Operating Temperature: 200 Cel;
EU2B-YS303C
Idec
ROTARY SWITCH;
Invensys Sensor Systems
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Reverse Recovery Time: .004 us; Config: SINGLE; Maximum Repetitive Peak Reverse Voltage: 100 V;
BSS138LT3G
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.
BSS138
NXP Semiconductors
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; No. of Terminals: 3; Maximum Drain Current (ID): .2 A; Operating Mode: ENHANCEMENT MODE;
BAV99
Temic Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148-GS08
Vishay Telefunken
RC0402FR-071KL
Yageo
The Yageo RC0402FR-071KL is a fixed resistor with a resistance of 1000 ohm and a tolerance of 1%. It is suitable for surface mount applications and has a max operating temperature of 155 °C.
MBR130T1G
MBR130T1G by Onsemi is a Schottky rectifier diode with max output current of 1A and max repetitive peak reverse voltage of 30V. It operates b/w -65 to 125°C, suitable for surface mount applications in electronics requiring low forward voltage drop.
2N7002
Comchip Technology
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Operating Temperature: 150 Cel; Operating Mode: ENHANCEMENT MODE;
1N4148WS
Rectron
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
KSC641JLFS
C & K Components
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): HARD TYPE; Solderability: REFLOW; DC Maximum Power Rating R Load (Contact): 1VA@32VDC;
TL3330AF130QG
E-switch
TL3330AF130QG by E-switch is a SPST keypad switch with 50000 cycles electrical life. It features SILVER OVER NICKEL terminal finish, 1.77N max operating force, and -30 to 70°C temp range. Ideal for surface mount-right angle applications requiring momentary-tactile switch action.
PTS647SK38SMTR2LFS
PTS647SK38SMTR2LFS by C & K Components is a SPST Keypad Switch with 100000 cycles Electrical Life and 100M ohm Insulation Resistance. With a compact body size of 4.5mm x 2.9mm, it operates b/w -20°C to 70°C, making it ideal for applications requiring a momentary-tactile switch function in various electronic devices.
5GTH93561
Apem Components
The Apem Components 5GTH93561 is a keypad switch with POLYPHENYLENE SULPHIDE housing, COPPER TIN ALLOY terminals, and WHITE LED illumination. It has an electrical life of 10M cycles, IP67 sealing, and operates b/w -30 to 85 °C. Ideal for applications requiring a SPST switch with high durability and tactile feedback in harsh environments.
PTS820J20MPSMTRLFS
PTS820J20MPSMTRLFS by C & K Components is a SPST keypad switch with 200000 cycles electrical life. With insulation resistance of 100M ohm, it operates b/w -40 to 85°C. Ideal for applications requiring momentary switch action and surface mount-straight mounting feature.
KSC321GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): HARD TYPE; Solderability: REFLOW; End Contact Material: SILVER;
B3U-1000PM-B
Omron
The Omron B3U-1000PM-B is a black keypad switch with a plunger type actuator. It has an electrical life of 200,000 cycles and insulation resistance of 100MΩ. This switch is commonly used in applications requiring momentary-tactile action and surface mount-straight mounting.
KSL1M411LFT
KSL1M411LFT by C & K Components is a SPST keypad switch with 100000 cycle electrical life and 1VA@32VDC DC max power rating. It has an actuator travel of 0.6096mm and is ideal for applications requiring a momentary-tactile switch action in environments with temperatures ranging from -40 to 85 °C.
KSL0M412LFT
KSL0M412LFT by C & K Components is a SPST keypad switch with IP65 sealing, suitable for applications requiring durability. It has an electrical life of 100000 cycles and a max DC contact voltage of 32V, making it ideal for use in harsh environments. With a compact body width of 6.2mm and solder termination, this switch offers reliable performance in various electronic devices.
5GTH93542
5GTH93542 by Apem Components is a keypad switch with POLYPHENYLENE SULPHIDE housing, COPPER TIN ALLOY terminals, and YELLOW LED illumination. It has an electrical life of 10M cycles and IP67 sealing, suitable for applications requiring a SPST switch function in harsh environments. Operating temperatures range from -30°C to 85°C, making it ideal for industrial control panels.
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.
KSR223GNCLFG
Itt Cannon
KSR223GNCLFG by ITT Cannon is a SPST keypad switch with 100000 cycles electrical life, IP50 sealing, and 3.8" body width. Ideal for applications requiring a soft type actuator, it operates b/w -40°C to 125°C temperatures and has a max contact voltage of 32VDC.
6425.4121
Marquardt
Marquardt 6425.4121 Keypad Switch features SPST switch function, YELLOW LED illumination, and PBTP housing material. Ideal for applications requiring a 0.7N operating force, with gold terminal finish and 1X1 circuit configuration.
EVQQ2M02W
Panasonic
EVQQ2M02W by Panasonic is a keypad switch with 1 switch and a SPST function. It has an electrical life of 1,000,000 cycles and insulation resistance of 100,000,000 ohms. This switch is suitable for applications requiring momentary contact and can handle a max DC contact voltage of 15V.
3-1825910-1
TE Connectivity 3-1825910-1 is a black keypad switch with nylon housing and copper alloy terminals. With SPST switch function, it has an electrical life of 100000 cycles. Ideal for panel mounting applications, it offers momentary switch action and operates b/w -35°C to 85°C.
KSS343GLFG
ITT Cannon's KSS343GLFG is a SPST keypad switch with 0.2VA@32VDC power rating, suitable for applications requiring a large type actuator. With IP40 sealing and 1000000000 ohm insulation resistance, it operates b/w -40 to 125 °C, making it ideal for surface mount-right angle mounting in various electronic devices.
DTSM-31N-V-B
Diptronics Manufacturing
DTSM-31N-V-B by Diptronics Mfg is a brown keypad switch with steel housing. It has 50k electrical life cycles, 100M ohm insulation resistance, and operates b/w -25°C to 70°C. Ideal for applications requiring a momentary-tactile SPST switch with 12VDC max voltage and 0.05A current rating.
2-1437565-7
Tyco Electronics Alcoswitch
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; JESD-609 Code: e4; Body Height: 3.6 mm; Minimum Operating Temperature: -35 Cel;
KSC741JLFS
KSC741JLFS by C & K Components is a SPST keypad switch with SILVER terminal material and 300000 cycle electrical life. With IP67 sealing, it's ideal for applications requiring a max operating force of 4.9N, such as industrial control panels or outdoor electronic devices.
431151008826
Wuerth Elektronik & Kg
431151008826 by Wurth Elektronik is a SPST Keypad Switch with STAINLESS STEEL housing, COPPER ALLOY terminals, and LIQUID CRYSTAL POLYMER insulator. It has an electrical life of 200K cycles and insulation resistance of 100M ohm. Ideal for applications requiring a momentary-tactile switch function in environments ranging from -40 to 85°C.
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