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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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.
Median Price
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Farnell
$0.464
$0.424
Nova Conductors
$0.400
Vyrian
Aranea Global
$0.392
$0.376
Continental Prestige Electronics
Argo Parts USA
$0.388
Advanced Electronics
$0.407
Aztec Data Supply Inc.
$1.050
Authorized Procurement Solutions
The reflow soldering capability of this keypad switch ensures easy and efficient installation, saving time and effort during production.
With a high electrical life of 200,000 cycles, this keypad switch offers long-lasting durability and reliable performance for extended and repetitive use.
The high DC maximum power rating of 1VA at 32VDC allows this keypad switch to handle a variety of electrical applications with ease and efficiency.
The high insulation resistance of 1,000,000,000 ohms ensures safe and reliable operation of this keypad switch, reducing the risk of electrical failures or malfunctions.
The IP50 sealing rating protects this keypad switch from dust and debris, making it suitable for use in various environments and conditions.
The single-pole, single-throw (SPST) switch function of this keypad switch offers a simple and reliable on/off function, making it easy to operate and integrate into electronic devices.
With a high maximum operating temperature of 85°C, this keypad switch can withstand elevated temperatures without compromising performance or reliability.
The low minimum operating temperature of -40°C ensures that this keypad switch can function effectively in cold environments without any issues or malfunctions.
The silver terminal finish on this keypad switch provides excellent conductivity, corrosion resistance, and durability for long-lasting and reliable electrical connections.
Keypad Switches KSR221GNCLFS attributes and parameters. Explore more Keypad Switches devices from C & K Components
Actuator Travel (mm):
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Maximum DC Contact Current:
DC Maximum Power Rating R Load (Contact):
DC Maximum Rating R Load (Contact):
Contact Resistance:
Maximum DC Contact Voltage:
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:
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KSR221GNCLFS 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.
SMBJ18CA
STMicroelectronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM555CMX
Onsemi
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
EU2B-YS2J03C
Idec
ROTARY SWITCH;
MMBT3904-7-F
Diodes Incorporated
Diodes Inc. MMBT3904-7-F is a NPN BJT transistor for switching applications. Features include VCEsat of 0.3V, hFE of 30, and IC of 0.2A. With a max operating temp of 150°C, it's ideal for small outline SMT designs in automotive electronics.
1N4148WS
Continental Device India
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
M24308/2-1F
Tyco Electronics Amp
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; IEC Conformity: NO; Mixed Contacts: NO; Empty Shell: NO;
ST3485EBDR
ST3485EBDR by STMicroelectronics is a Line Driver & Receiver with 3.3V power supply, EIA-422/EIA-485 interface standard, and 30ns max transmit delay. It is ideal for industrial applications requiring differential output and operates in temperatures ranging from -40 to 85°C.
1N4148
Taitron Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
1N4148WT
Sangdest Microelectronics (Nanjing)
LM358M
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
Sprague Electric
RECTIFIER DIODE; Surface Mount: YES; Maximum Forward Voltage (VF): 1.3 V; Maximum Output Current: .1 A; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Operating Temperature: 175 Cel;
Vishay Semiconductors
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: J BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
261
Micronetics
Other Interface ICs; Temperature Grade: MILITARY; Terminal Form: FLAT; No. of Terminals: 14; Package Code: DFP; Package Shape: SQUARE;
2N2222A
Space Power Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Db Lectro
Shanghai Lunsure Electronic Technology
RECTIFIER DIODE; Surface Mount: NO; Maximum Forward Voltage (VF): 1 V; Maximum Output Current: .15 A; Maximum Reverse Recovery Time: .004 us; Config: SINGLE;
RC0603FR-0710KL
Yageo
Yageo's RC0603FR-0710KL is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.1 W power dissipation. It operates b/w -55 to 155 °C and is ideal for surface mount applications in electronics requiring precise resistance values.
2N7002
Yangzhou Yangjie Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; No. of Elements: 1; Terminal Form: GULL WING; Maximum Drain Current (ID): .34 A;
Defense Logistics Agency
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mounting Type: CABLE AND PANEL; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Empty Shell: NO;
5GTH935+1SS09-09.5
Apem Components
The Apem Components 5GTH935+1SS09-09.5 is a black keypad switch with PPS housing material, IP67 sealing, and SPST switch function. It has an electrical life of 10M cycles and insulation resistance of 10M ohm, making it ideal for applications requiring high durability and reliability in harsh environments. With a max operating temperature of 160°C and min of -40°C, this round type switch is suitable for various industrial control systems that demand precision and longevity.
4FSH92242
The Apem Components 4FSH92242 keypad switch has an electrical life of 10M cycles, GREEN/YELLOW LED illumination, and IP67 sealing. Ideal for applications requiring a SPST switch with momentary action, such as industrial control panels or outdoor equipment. Operating temperatures range from -40°C to 160°C, making it suitable for various environments.
TL1105SPF160Q94VO
E-switch
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Circuit Config: 1X1; Body Length/Diameter: 6 mm; Electrical Life: 100000 Cycle(s);
DTSA-62K-V
The Apem Components DTSA-62K-V is a SPST keypad switch with 200000 cycles electrical life. Featuring a body width of 7.1882" and body height of 6.5532mm, it has an actuator travel of 0.254mm. Ideal for applications requiring momentary-tactile switch action, it operates b/w -25°C to 70°C temperatures with a max DC contact voltage of 12V.
TL1105SF160Q
TL1105SF160Q by E-switch is a black keypad switch with SPST function and 100000 cycle electrical life. It has a max operating force of 2.06N, suitable for applications requiring momentary-tactile switch action. With a dielectric withstand voltage of 250VAC, it is ideal for use in devices where reliability and durability are crucial.
1571563-4
TE Connectivity
TE Connectivity 1571563-4 Keypad Switch features SPST switch function, 100000 cycles electrical life, and 2.548N max operating force. Ideal for panel mount applications with -35 to 85°C temp range and 0.05A@24VDC DC rating.
1825966-1
The TE Connectivity 1825966-1 is a black keypad switch with nylon housing. Featuring SPST switch function, it has an electrical life of 100000 cycles and insulation resistance of 1000000000 ohms. Ideal for panel mounting applications, this momentary-tactile switch operates b/w -35°C to 85°C with a max DC contact voltage of 24V.
DTSM-61N-S-Q-T/R
The Apem Components DTSM-61N-S-Q-T/R is a brown keypad switch with 1000000 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, this stainless steel pushbutton switch is rated at 0.05A@12VDC for R load contacts.
DTSM-24N-S-V-T/R
The Apem Components DTSM-24N-S-V-T/R keypad switch has an electrical life of 1000000 cycles, SPST switch function, and 12V DC contact voltage. Ideal for applications requiring a pushbutton type actuator, with a max operating force of 2.06N. Suitable for surface mount-straight mounting with solder termination.
KMR223GLFG
C & K Components
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Solderability: REFLOW; Termination Type: SOLDER; Minimum Operating Temperature: -40 Cel;
B3S-1000
Omron
Omron B3S-1000 Keypad Switch offers 500000 cycles Electrical Life, IP67 Sealing, and 100000000 ohm Insulation Resistance. Ideal for applications requiring SPST Switch Function, such as industrial control panels or electronic devices.
2-1825910-7
Tyco Electronics Alcoswitch
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Switch Action: MOMENTARY; Body Length/Diameter: 5.99 mm; Maximum DC Contact Current: .05 A;
PTS540JM035SMTRLFS
PTS540JM035SMTRLFS by C & K Components is a SPST keypad switch with 500000 cycles electrical life and 100M ohm insulation resistance. It operates b/w -30 to 85 °C, has a max DC contact voltage of 12V, and is ideal for applications requiring momentary-tactile switch action.
EVQQ2203W
Panasonic
The Panasonic EVQQ2203W is a SPST keypad switch with 100000 cycle electrical life and 100000000 ohm insulation resistance. Ideal for applications requiring ON-OFF contact function, it operates b/w -40 to 85 °C with a max DC contact voltage of 15V.
EVQP2K02Q
The Panasonic EVQP2K02Q is a gray keypad switch with 500000 cycles electrical life. Featuring 100000000 ohm insulation resistance, it operates b/w -40 to 85 °C and has a max DC contact voltage of 15V. Ideal for applications requiring ON-OFF functionality with a snap action contact timing.
B3F-1055
The Omron B3F-1055 Keypad Switch features SPST switch function, 100000 cycle electrical life, and 100000000 ohm insulation resistance. Ideal for applications requiring a momentary-tactile switch with a max operating force of 3.24 N and gold terminal finish for solder termination.
KSS341GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-RIGHT ANGLE; Switch Function: SPST; Type (Actuator): LARGE TYPE; Solderability: REFLOW; Terminal Finish: SILVER;
FSM6JH
KEYPAD SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: SPST; Electrical Life: 100000 Cycle(s); Switch Action: MOMENTARY; Manufacturer Series: FSM;
KSC641GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): HARD TYPE; Solderability: REFLOW; Actuator Travel (mm): 0.4;
B3F-1006
Omron B3F-1006 Keypad Switch features SPST switch function, 50,000 cycles electrical life, and 5ms contact bounce time. Ideal for applications requiring momentary-tactile switch action in devices with a max operating temperature of 70°C.
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KSR223GLFG
ITT Cannon
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Circuit Config: 1X1; Maximum DC Contact Current: .01 A;
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Sealing: IP50;
KSR221GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; No. of Switches: 1;
KSR221GLFS by ITT Cannon is a SPST keypad switch with 200000 cycles electrical life. Featuring IP50 sealing, it has a body width of 3.8" and operates b/w -40°C to 85°C. Ideal for applications requiring a soft type actuator, such as consumer electronics and industrial control systems.
KSR251GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Body Width: 3.8 inch;
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.
KSR211GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Packing Method: TAPE AND REEL;
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; No. of Switches: 1; Sealing: IP50;
KSR223GNCLFG
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Circuit Config: 1X1; Packing Method: TAPE AND REEL;
KSR221GNCLFG
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Solderability: REFLOW; No. of Switches: 1; Center Contact Material: SILVER;
KSR222GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Body Length/Diameter: 6 mm;
KSR224GLFG
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Contact Resistance: 100 mohm;
KSR222GLFG
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Body Height: 1.75 mm; Maximum DC Contact Voltage: 32 V;
KSR224GLFS
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Maximum DC Contact Voltage: 32 V;
KSR221GLFG
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; DC Maximum Power Rating R Load (Contact): 1VA@32VDC; Switch Action: MOMENTARY-TACTILE;
KSR221G
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Circuit Config: 1X1;
KSR221J
KEYPAD SWITCH; Mounting Feature: SURFACE MOUNT-STRAIGHT; Switch Function: SPST; Type (Actuator): SOFT TYPE; Solderability: REFLOW; Termination Type: SOLDER;
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