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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Featured manufacturers
The Nkk Switches S421T is a DPST toggle switch with 15000 cycles electrical life and 1000000000 ohm insulation resistance. It has a max AC contact current of 20A@250VAC, making it ideal for ON-OFF applications in various industries. With a body width of 18.9992 inch and screw termination type, this panel mount switch operates b/w -10 to 70 °C temperatures efficiently.
Median Price
$22.190
Lifecycle Status
Suppliers In-Stock
8
In-Stock Inventory
1k+
RS Americas
1+ parts
$19.860
100+ parts
$14.100
1k+ parts
-
10k+ parts
TTI
$22.100
$16.280
$15.340
Mouser Electronics
$16.600
$14.960
Powell Electronics
$22.250
$18.830
$14.910
DigiKey
$22.320
$16.610
$14.967
Nova Conductors
$14.205
Vyrian
Fibra_Brandt Electronic GMBH
Aztec Data Supply Inc.
$2.740
Corohmni
$3.098
AZTECH Wire
$8.652
Continental Prestige Electronics
$13.921
Netroflash
Ampacity Inc.
$14.900
Allen Electronics Distributors
$17.970
QUARKTWIN TECHNOLOGY LTD
Argo Parts USA
Metaverse IC Inc.
With a high electrical life cycle, this toggle switch is designed to last through numerous on/off cycles, ensuring durability and reliability in the long run.
The high insulation resistance of this toggle switch helps prevent electrical leakage and ensures safety during operation.
The compact size of the body width makes it suitable for installations where space is limited, providing flexibility in application.
The DPST switch function allows for dual independent circuits, offering versatility in controlling different electrical loads.
With a high maximum operating temperature, this toggle switch can withstand various environmental conditions without compromising its performance.
The TIN terminal finish provides excellent conductivity and corrosion resistance, ensuring efficient electrical connections.
The traditional toggle switch design offers a familiar and easy-to-use interface for controlling power with a simple flick of a lever.
The ON-OFF contact function allows for straightforward control of circuit connection, making it ideal for applications where simplicity is key.
The panel mount design enables easy and secure installation on a variety of surfaces, enhancing the convenience and accessibility of the switch.
Toggle Switches S421T attributes and parameters. Explore more Toggle Switches devices from Nkk Switches
Angle (Actuator):
Length (Actuator):
Type (Actuator):
Body Width:
Body Length/Diameter:
Length (Bushing):
Type (Bushing):
AC Maximum Rating I Load (Contact):
AC Maximum Rating R Load (Contact):
Maximum AC Contact Current:
Contact Function:
Contact Resistance:
Contact Timing:
Maximum AC Contact Voltage:
Dielectric Withstand Volts (V):
Electrical Life:
Insulation Resistance:
JESD-609 Code:
Mounting Feature:
Maximum Operating Temperature:
Minimum Operating Temperature:
Switch Action:
Switch Function:
Switch Type:
Terminal Finish:
Termination Type:
S421T Switches trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.50.90.65
SB
NSN
4030-01-450-8807, 4030014508807
NIIN
014508807
PCN Design/Specification - LP01,YB,YB2 Multiple Changes 29/Nov/2016 S, ST, WT Toggles, LW ,WR Rockers, WB Pushbuttons 31/Mar/2016
PCN Packaging - S,SW Series Multiple Changes 31/Mar/2016
NKK Switches is a global manufacturer of innovative electromechanical switches and programmable displays, setting the standard for quality and reliability in human-machine interface solutions. NKK provides full-service engineering support to include electronic system design, programming and value-added services by combining over 65 years of expertise and a true commitment to our partners’ success. For 65 years, NKK Switches has been a leader in the design and manufacturing of electromechanical switches. Founded in 1953 by Shigeo Ohashi, with the vision to design and produce high-quality, highly reliable industrial switches. In 1981, NKK established NKK Switches of America, Inc., its North American headquarters, in Scottsdale, Arizona. Situated strategically to support the Americas, NKK Switches of America, Inc. strives to adhere to its philosophy of “excellence through innovation and customer service” in all respects.
2N2222A
Tesla Elektronicke Soucastky
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
1N4148W-7-F
Diodes Incorporated
1N4148W-7-F by Diodes Inc. is a single rectifier diode with 0.715V max forward voltage and 100V max reverse voltage. Ideal for applications requiring fast switching speeds, it has a small outline package style and matte tin terminal finish, making it suitable for surface mount PCB designs.
LM317T
STMicroelectronics
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; JESD-30 Code: R-XSFM-T3; Minimum Input-Output Voltage Differential: 3 V;
SN6505BDBVR
Texas Instruments
SN6505BDBVR by Texas Instruments is a small outline, low profile interface IC with 6 terminals. It operates b/w -55 to 125°C and supports a max output current of 1.5A at supply voltages ranging from 2.25V to 5.5V. Ideal for military-grade applications requiring compact design and high reliability.
SMBJ18CA
Shenzhen Socay Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Boca Semiconductor
LM358ADR
LM358ADR by Texas Instruments is an operational amplifier with 2 functions, featuring a max input offset voltage of 5000 uV and nominal voltage of 5V. Widely used in applications requiring high voltage gain, it operates within a temperature range of 0-70°C and offers frequency compensation for stability.
SS14
Panjit International
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Meritek Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002
Changzhou Galaxy Century Microelectronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Minimum DS Breakdown Voltage: 60 V; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; No. of Terminals: 3;
1N4148
Won-top Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
EPCS4SI8N
Intel
EPCS4SI8N by Intel is a small outline flash memory with 512Kx8 organization, operating at 3.3V. It features a max clock frequency of 40MHz and endurance of 100k write/erase cycles. Ideal for industrial applications requiring configuration memory with serial interface and low standby current consumption.
American Power Devices
ULN2803A
Rochester Electronics
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; Additional Features: LOGIC LEVEL COMPATIBLE; Qualification: Not Qualified;
1N4148WS
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Eic Semiconductor
Vishay Semiconductors
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: J BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Zowie Technology
RECTIFIER DIODE; Surface Mount: YES; No. of Phases: 1; Maximum Operating Temperature: 125 Cel; No. of Elements: 1; Maximum Non Repetitive Peak Forward Current: 30 A;
North American Philips Discrete Products Div
BSS138BK,215
Nexperia
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Peak Reflow Temperature (C): 260; Additional Features: LOGIC LEVEL COMPATIBLE; Maximum Operating Temperature: 150 Cel;
7101MDABE
C & K Components
TOGGLE SWITCH; Mounting Feature: THROUGH HOLE-RIGHT ANGLE; Switch Function: SPDT; Type (Actuator): TOGGLE; Contact Function: ON-ON; Solderability: MIL-STD;
M2033LL1W01
Nkk Switches
M2033LL1W01 by Nkk Switches is a 3PDT toggle switch with STAINLESS STEEL housing. It has a max AC contact current of 3A@250VAC and an electrical life of 25,000 cycles. Ideal for applications requiring ON-OFF-ON functionality in environments with temperatures ranging from -15 to 85 °C.
LT-1511-430-024
Carling Technologies
TOGGLE SWITCH;
MS90311-221
Eaton Corporation
Eaton Corporation's MS90311-221 is a DPST toggle switch with 20000 cycles electrical life. It has a body width of 14.12 inch and a max operating temperature of 71°C. Ideal for applications requiring a latched switch function, it can handle up to 3A@115VAC AC max rating R load and 5A@28VDC DC max rating R load.
5636ABX814
Apem Components
5636ABX814 by Apem Components is a SPDT toggle switch with a body width of 7in and a body height of 12mm. It has an electrical life of 50,000 cycles and is sealed with epoxy for added protection. This switch is commonly used in panel mount applications where a latched switch action is required.
2TL1-3G
Honeywell Sensing And Control
2TL1-3G by Honeywell Sensing And Control is a DPDT toggle switch with sealing for dust and water proofing. It has a max AC contact current of 15A@125VAC, DC contact current of 20A@28VDC, and can operate in temperatures ranging from -65 to 71 °C. Ideal for applications requiring a latched switch function in harsh environments.
M-2012
The Nkk Switches M-2012 is a SPDT toggle switch with a lever actuator and corrosion-proof sealing. It has an electrical life of 25,000 cycles, max AC contact current of 6A@125VAC, and insulation resistance of 1G ohm. Ideal for applications requiring a reliable switch with a latched switch action in environments with temperatures ranging from -30 to 85°C.
3644NF/2
8503K6
Safran Group
TOGGLE SWITCH; Mounting Feature: PANEL MOUNT-THREADED; Switch Function: SPDT; Type (Actuator): LEVER; Body Length/Diameter: 32.26 mm; Maximum DC Contact Current: 20 A;
1NT1-7-NH
TOGGLE SWITCH; Manufacturer Series: NT;
636H/2TKLUXE-2V
The Apem Components 636H/2TKLUXE-2V Toggle Switch features SPDT switch function, 10000 cycles electrical life, and dust/waterproof sealing. With a max AC contact current of 15A@250VAC, it is ideal for panel mounting applications requiring a latched switch action in harsh environments.
8501K17
TOGGLE SWITCH; Mounting Feature: PANEL MOUNT-THREADED; Switch Function: DPDT; Type (Actuator): TOGGLE; Contact Function: ON-ON-ON; Angle (Actuator): 33 deg;
632NT91-5
Honeywell Sensing And Control's 632NT91-5 is a DPDT toggle switch with 10A@277VAC AC and 18A@28VDC DC max ratings. Featuring a standard lever actuator, it is ideal for panel mount-threaded applications requiring momentary switch action.
CA201-73
CA201-73 by Carling Technologies is a SPST toggle switch with 25000 cycles electrical life and 100000000 ohm insulation resistance. It has a max AC contact current of 20A@125VAC, making it ideal for applications requiring ON-OFF functionality in environments with temperatures ranging from 0 to 85 °C. The switch features a BAT type actuator, THERMOPLASTIC insulator material, and QUICK CONNECT termination type for easy installation.
MS90310-271
Eaton Corporation's MS90310-271 is a SPDT toggle switch with 20000 cycles electrical life. Featuring gold plating, it has a max AC contact current of 3A@115VAC and DC contact current of 5A@28VDC. Ideal for panel mount-threaded applications, this switch operates b/w -55 to 71 °C temperatures.
4NT1-1A
4NT1-1A by Honeywell Sensing And Control is a toggle switch with a body width of 33.53in and a body height of 34.29mm. It has a max AC contact current of 15A and is used for panel mount-threaded applications.
5-6437630-3
TE Connectivity
TE Connectivity 5-6437630-3 Toggle Switch offers waterproof sealing, SPDT switch function, and 6A max AC contact current. Ideal for panel mounting applications requiring high insulation resistance of 1Gohm, copper alloy end contact material, and silver plating on center contacts.
XTD1A1A2
Eaton Corporation's XTD1A1A2 Toggle Switch features SPST function, 20A@125VAC AC rating, and 15A@28VDC DC rating. Ideal for panel mount-threaded applications with quick connect termination. Measures 16" W x 17.2 mm H x 28.6 mm L, suitable for temperatures ranging from 0 to 65°C.
13AT4-S
13AT4-S by Honeywell Sensing And Control is a 3PDT toggle switch with a steel lever actuator. It has a max AC contact current of 5A@250VAC and DC contact current of 5A@30VDC. Ideal for applications requiring corrosion-proof sealing, such as panel-mounted threaded installations.
T9-MS2-27N
Otto Engineering
T9-MS2-27N toggle switch by Otto Engineering features DPDT switch function, IP68 sealing, and 20000 cycle electrical life. With a max AC contact current of 11A@115VAC, it is ideal for panel mount applications requiring a durable and environmentally sealed switch. Operating temperatures range from -65°C to 71°C making it suitable for various industrial settings.
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S421
TOGGLE SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: DPST; Type (Actuator): TOGGLE BAT; Contact Function: ON-OFF; Body Width: 18.9992 inch;
Supply Digital Components
$106.00
$54.25
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12,000 In-Stock
Total price ≈ $80,197.29
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