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
$22.100
Lifecycle Status
Suppliers In-Stock
8
In-Stock Inventory
1k+
RS Americas
1+ parts
$19.860
100+ parts
$14.100
1k+ parts
-
10k+ parts
Powell Electronics
$20.050
$18.370
$15.680
TTI
$16.280
$15.340
Mouser Electronics
$25.190
$20.560
$19.080
DigiKey
$28.030
$20.849
$18.786
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.
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.
2N7002
STMicroelectronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Maximum Drain Current (ID): .2 A; Transistor Application: SWITCHING;
CRCW06030000Z0EAHP
Vishay Intertechnology
Vishay Intertechnology's CRCW06030000Z0EAHP is a 0 ohm jumper resistor with METAL GLAZE/THICK FILM tech. Operating temp range -55 to 155 °C, it's SMT package style makes it ideal for automotive applications meeting AEC-Q200 standard.
LM317T
Analog Devices
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; No. of Functions: 1; Package Body Material: PLASTIC/EPOXY; Surface Mount: NO;
LM358D-T
Philips Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
STM32H753ZIT6
STM32H753ZIT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, offering 20-Ch 16-Bit ADC and 2-Ch 12-Bit DAC channels. With a clock frequency of up to 48 MHz, it is ideal for industrial applications requiring CAN, Ethernet, and USB connectivity. This microcontroller operates b/w -40°C to +85°C temperature range.
LL4148
Bkc Semiconductors
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM358N
Samsung
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
1N4148WS
Rochester Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138
Panjit International
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Drain-Source On Resistance: 3 ohm; Minimum DS Breakdown Voltage: 50 V; Terminal Form: GULL WING;
1N4148
Laube Technology
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
SS14
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Thinking Electronic Industrial
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N2222A
Electronic Transistors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Jgd Semiconductors
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Polarity: BIDIRECTIONAL; Maximum Clamping Voltage: 29.2 V; Nominal Breakdown Voltage: 21.2 V; Maximum Repetitive Peak Reverse Voltage: 18 V;
OPA2227UA
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
LD1117S33CTR
STMicroelectronics LD1117S33CTR is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 1.3A. It operates within an input voltage range of 4.75V to 15V, making it suitable for various applications requiring stable voltage regulation in compact designs. The device features low dropout voltage of 1.3V, high temperature operation up to 125°C, and small outline package style for space-constrained PCB layouts.
Microsemi
Diodes Incorporated
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 %;
MS90310-211
Safran Group
TOGGLE SWITCH; Mounting Feature: PANEL MOUNT-THREADED; Switch Function: SPDT; Type (Actuator): LEVER; Maximum DC Contact Voltage: 28 V; Electrical Life: 20000 Cycle(s);
8-6437630-1
TE Connectivity
TE Connectivity 8-6437630-1 Toggle Switch features 4PDT switch function, waterproof sealing, and brass end contact material. With a max AC contact current of 20A and DC voltage of 30V, it is ideal for panel mounting applications requiring ON-ON contact function.
MS24523-23
TOGGLE SWITCH; Mounting Feature: PANEL MOUNT-THREADED; Switch Function: SPDT; Type (Actuator): TOGGLE; Contact Function: ON-ON; Diameter (Bushing): .432 inch;
112TW1-70
Honeywell Sensing And Control
112TW1-70 by Honeywell is a DPDT toggle switch with 5A@115VAC AC and 5A@28VDC DC max ratings. Featuring a standard lever actuator, it is ideal for panel mount-threaded applications requiring momentary switch action.
T9-MS1-22
Otto Engineering
T9-MS1-22 by Otto Engineering is a Toggle Switch with 20000 cycles electrical life. Featuring a body width of 16.129", it has an operating temperature range from -65°C to 71°C. Ideal for panel mounting applications, this switch has a stainless steel actuator and operates in OFF-ON contact function.
S421T
Nkk Switches
MTA406NPC
TE Connectivity's MTA406NPC is a 4PDT toggle switch with a max AC contact current of 6A@125VAC and a max DC contact voltage of 28V. It is commonly used in panel mount applications due to its solder termination type and epoxy terminal sealing.
2-6437630-8
TE Connectivity 2-6437630-8 Toggle Switch features 3PDT switch function, waterproof sealing, and copper alloy terminal material. Ideal for panel mounting applications with a max AC contact current of 6A and voltage of 250V.
M2T22SA5W03
Nkk Micro Devices
TOGGLE SWITCH; Mounting Feature: THROUGH HOLE-STRAIGHT; Switch Function: DPDT; Type (Actuator): TOGGLE; Contact Function: ON-(ON); Solderability: WAVE;
101TL2-6F
101TL2-6F by Honeywell is a SPDT toggle switch with dust and water-proof sealing. It has a max AC contact current of 7.5A@115VAC and DC contact current of 7.5A@30VDC. Ideal for applications requiring a locking type actuator, such as panel-mounted threaded installations in environments where protection against dust and water is essential.
2TL1-6F
2TL1-6F by Honeywell Sensing And Control is a DPST toggle switch with sealing for dust and water proofing. It has a max AC contact current of 11A@125VAC and DC contact current of 18A@28VDC. Ideal for applications requiring a locking lever actuator, such as panel mount-threaded installations in environments up to 71°C.
2TL1-3D
2TL1-3D by Honeywell Sensing And Control is a DPDT toggle switch with dust and water-proof sealing. It has a max AC contact current of 15A@115VAC and DC contact current of 20A@28VDC. Ideal for applications requiring a latched switch function, such as panel-mounted threaded installations in environments with temperature ranges from -65°C to 71°C.
LT-1511-143-006
Carling Technologies
TOGGLE SWITCH; Manufacturer Series: LT;
8504K6
TOGGLE SWITCH; Mounting Feature: PANEL MOUNT-THREADED; Switch Function: DPDT; Type (Actuator): LEVER; Body Width: 23.11 inch; Body Height: 31.5 mm;
8503K6
Eaton Corporation
The Eaton Corporation 8503K6 toggle switch has a long electrical life of 20,000 cycles and is environmentally sealed. With SPDT switch function, it can handle up to 15A@115VAC AC max rating R load. Ideal for panel mounting applications requiring a reliable and durable lever-operated toggle switch.
7702K2
The Eaton Corporation 7702K2 Toggle Switch features a 3PDT switch function with a max AC contact current of 15A@125VAC. With a body width of 34.11 inch and height of 30.93 mm, it is ideal for panel mount-threaded applications requiring latched switch action. The LEVER actuator type and SCREW termination make it versatile for various electrical control systems.
8868K1
TOGGLE SWITCH; Mounting Feature: PANEL MOUNT-THREADED; Switch Function: SPDT; Type (Actuator): LEVER; Maximum AC Contact Voltage: 115 V; AC Maximum Rating R Load (Contact): 3A@115VAC;
G12AP
G12AP by Nkk Switches is a SPDT toggle switch with GLASS FILLED POLYAMIDE housing. It has a 100000 cycle electrical life, 0.4VA@28VDC DC max power rating, and is waterproof with EPOXY TERMINAL SEALING. Ideal for applications requiring a reliable toggle switch with high insulation resistance and gold over nickel plating for durability.
MTF106D
TE Connectivity's MTF106D Toggle Switch offers 60000 cycles electrical life, 1000000000 ohm insulation resistance, and 6A max AC contact current. Ideal for applications requiring a SPDT switch with EPOXY TERMINAL SEALING, such as panel mounting in electronic devices operating b/w -20 to 80 °C.
MS24524-23
Defense Logistics Agency
MS24524-23 by Defense Logistics Agency is a DPDT toggle switch with environmentally sealed body. It has 15A@115VAC AC and 20A@28VDC DC max ratings, suitable for panel mount-threaded applications. The switch features standard lever actuator, latched action, and screw termination type.
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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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