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
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Maximum DC Contact Voltage: 28 V; Body Height: 8.89 mm; Maximum Operating Force: 2.22 N;
Median Price
$5.049
Lifecycle Status
Suppliers In-Stock
45
In-Stock Inventory
1k+
Mouser Electronics
1+ parts
$1.180
100+ parts
$0.858
1k+ parts
$0.745
10k+ parts
$0.670
DigiKey
$1.190
$0.859
$0.730
$0.684
RS (Exports)
$3.568
$6.768
-
RS Americas
$6.530
Bürklin Elektronik
$6.670
$5.140
$4.630
Arrow
$8.572
$8.329
Sager
$42.720
$39.750
$36.230
Farnell
$59.410
Element14
$61.420
$55.850
Airline Hydraulics
Chip1Stop
$0.672
$0.619
Master Electronics
$0.868
$0.725
$0.635
Verical
$0.902
$0.887
TE Connectivity
$1.060
$0.530
$0.430
Powell Electronics
$35.780
$31.710
Digiode
$1.273
Maritex
$3.958
$2.589
$2.066
TodayComponents
$5.950
$5.330
TME
$8.870
$4.870
Quotebeam
$10.280
Nova Conductors
$35.930
VNN
Q Components
Shortec Electronics
Electro Sonic
$8.330
$7.770
IBS Electronics
$1.089
$0.919
$0.788
Vyrian
LIBRA Elektronik GmbH
Whistler Technology
Dynamic Solutions
Semi Source
EMSNET
Bisco
Holdelec - ElecDif-Pro
Resion
Proax Technologies Ltd
Bristol Electronics
LWI Electronics Inc
ACDS - Activité Composants Distribution Service
GSS - Global Semi Support
Technoshack Inc.
Prism Electronics
American Connector Supply Corp
Connector Distribution Corp
Right Parts Inc.
Semicontronic
$0.570
$0.556
$0.553
Ampacity Inc.
Corphita
$1.206
Aranea Global
$35.211
$33.803
Continental Prestige Electronics
Neutron USA
$93.240
Perfect Parts
EMSNET (Excess)
Argo Parts USA
S.R.D Solutions
Glotronic Ltd.
Assy Fe
Corohmni
Netroflash
$34.134
$33.415
Abacus Technologies
Authorized Procurement Solutions
Snap Action & Limit Switches 18-40421 attributes and parameters. Explore more Snap Action & Limit Switches devices from Itw Switches
Actuator Travel (mm):
Body Width:
Body Height:
Body Length/Diameter:
AC Maximum Rating R Load (Contact):
Maximum AC Contact Current:
Maximum DC Contact Current:
DC Maximum Rating R Load (Contact):
Maximum AC Contact Voltage:
Maximum DC Contact Voltage:
JESD-609 Code:
Manufacturer Series:
Mounting Feature:
Maximum Operating Force:
Maximum Pre Travel:
Switch Action:
Switch Function:
Switch Type:
Terminal Finish:
Termination Type:
18-40421 Switches trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.50.70.00
SB
Since our beginning the world renowned product brands of ITWSwitches™, ITWMcMurdo™ Connectors and ITW ERG Components have become a world leading partner and is the “”Original Switch Partner”. When your design requires a versatile, robust and reliable switch, ITWSwitches™ is the company that you can turn to. With over 60 years of design and engineering expertise, we are able to recommend the best product for your application. We design and build both standard and custom switches that are trusted by top companies to meet the toughest applications in their industries. From industrial machinery to communications, transportation and agriculture to aerospace and military, ITWSwitches™ is known for quality and consistency. We’ve built our reputation for reliability in applications that demand maximum performance. ITWMcMurdo™ Connectors first started manufacturing connectors in 1956. Since that time we have developed a range of connectors which have provided our customers with high quality and reliable interface solutions. ITW ERG Components has been manufacturing electrical and electronic products since 1942. In 1971, ITW received the first patent for a dual-in-line switch.
1N4148
Diotec Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
1N4148WS
Surge Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
NC7WZ17P6X
Onsemi
The Onsemi NC7WZ17P6X is a logic gate with 2 functions, featuring a propagation delay of 13.1 ns at 1.8V supply voltage. Ideal for industrial applications, it operates b/w -40 to 85°C and has a max power supply current of 100mA. With Schmitt Trigger technology and small outline packaging, it suits compact electronic designs requiring fast signal processing.
M39029/58-360
Molex
CONNECTOR ACCESSORY; Alternate Contact Sources: MILITARY; Removal Tool Sources: MILITARY; Material: COPPER ALLOY; National Stock Number (NSN): 5999004733551; Mating Contacts: M39029/56-348, M39029/57-354;
M24308/2-1F
Adi Electronics
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; MIL Conformity: YES; Filter Feature: NO; Mating Info.: MULTIPLE MATING PARTS AVAILABLE;
DS18B20Z
Maxim Integrated
DS18B20Z by Maxim Integrated is a 12-bit digital temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, with ±0.5°C accuracy. Suitable for applications requiring precise temperature monitoring in compact spaces.
MBRS1100T3G
MBRS1100T3G by Onsemi is a Schottky rectifier diode with a max output current of 1A and forward voltage of 0.75V. It operates in temperatures ranging from -65 to 175°C, making it suitable for power applications. With a reverse test voltage of 100V, this diode is ideal for high-power circuits requiring efficient rectification.
2N2222A
STMicroelectronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .6 A;
SMBJ18CA
Yangzhou Yangjie Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Clamping Voltage: 29.2 V; Nominal Breakdown Voltage: 21.05 V; Maximum Repetitive Peak Reverse Voltage: 18 V; Polarity: BIDIRECTIONAL;
BAV99
MICRODIODE ELECTRONICS SHENZHEN CO LTD
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
MBRM140T1G
MBRM140T1G by Onsemi is a Schottky rectifier diode with 40V max repetitive peak reverse voltage, 1A max output current, and 0.3V max forward voltage. It is used in applications requiring small outline surface mount diodes for efficient power management.
06035C104KAT2A
KYOCERA AVX
06035C104KAT2A by KYOCERA AVX is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications requiring compact size and reliable performance in various electronic circuits.
Semtech
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Temic Semiconductors
SS14
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;
Souriau-sunbank Connection Technologies
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Body Length: 1.228 inch; Mounting Type: CABLE AND PANEL; Termination Type: CRIMP;
2N7002
General Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JEDEC-95 Code: TO-236AB; Qualification: Not Qualified; Package Style (Meter): SMALL OUTLINE;
Goodwork Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Taitron Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Operating Mode: ENHANCEMENT MODE; Minimum DS Breakdown Voltage: 60 V; Package Shape: RECTANGULAR;
BAT54C-7-F
Diodes Incorporated
BAT54C-7-F by Diodes Inc. is a Schottky rectifier diode with common cathode, 2 elements, and max forward voltage of 0.24V. Ideal for applications requiring fast reverse recovery time of 0.005 us, such as in small outline packages for surface mount technology at temperatures ranging from -65 to 150°C.
AD5721R
Honeywell Sensing And Control
Honeywell Sensing And Control's AD5721R is a SNAP ACTING/LIMIT SWITCH with 11.13mm Actuator Travel and ROLLER TYPE actuator. It has a compact body size of 19.05x29.46 mm, suitable for PANEL MOUNT applications in various industries.
XCDR2510P20
Schneider Electric Sa
SNAP ACTING/LIMIT SWITCH;
D2FS-F-N-A1
Omron
D4NL-4GFG-B
SNAP ACTING/LIMIT SWITCH; Manufacturer Series: D4NL;
D4C-1524
Omron D4C-1524 is a SPDT snap action/limit switch with 200000 cycles electrical life. Featuring IP67 sealing, it has a max operating force of 5.69N and operates at temperatures ranging from -10°C to 70°C. Ideal for panel mounting applications requiring momentary switch action with a roller lever actuator.
21SX1-T
21SX1-T by Honeywell is a SPDT snap action/limit switch with 5.08" width, 8.89mm height, and 0.6mm actuator travel. It has a max operating temperature of 121°C and can handle up to 7A@250VAC or 7A@28VDC. Ideal for panel mounting applications requiring momentary switch action with gold terminal finish.
SPVT110106
Alps Alpine
Alps Alpine SPVT110106 is a SNAP ACTING/LIMIT SWITCH with 100000 cycle Electrical Life, 100000000 ohm Insulation Resistance, and 1.05mm Actuator Travel. Ideal for applications requiring MOMENTARY switch action in temperatures ranging from -40 to 85 °C, with max DC Contact Voltage of 20V.
4SX1-T
4SX1-T by Honeywell Sensing And Control is a SNAP ACTING/LIMIT SWITCH with SPDT switch function. It features SILVER terminal material, PHENOLIC housing, and PLASTIC PLUNGER actuator type. Ideal for PANEL MOUNT applications with max AC contact current of 7A@250VAC and operating temperature range from -54°C to 204°C.
D2F-01L30-D3
Omron's D2F-01L30-D3 is a SPDT snap action/limit switch with 30000 cycles electrical life. Featuring IP40 sealing, it has a max operating force of 1.47N and operates at temperatures ranging from -25°C to 65°C. Ideal for panel mounting applications requiring momentary switch action with simulated roller lever actuator.
D3SH-B1R
Omron's D3SH-B1R snap action switch has a 100000 cycle electrical life, SPST switch function, and 3.8mm actuator travel. With a max operating force of 0.3N, it is ideal for applications requiring momentary switch action in temperatures ranging from -25°C to 85°C.
D2FS-FL-N
LSA1A-1B
LSA1A-1B by Honeywell is a SPDT snap action/limit switch with -12 to 121°C operating range. Featuring side rotary actuator, it has 250V DC and 600V AC contact voltage. Ideal for panel mounting applications, this switch offers momentary switch action with wire termination.
DC2CA1AA
The Cherry
The Cherry's DC2CA1AA snap action switch has a 6000 cycle electrical life, SPDT switch function, and IP67 sealing. With a max AC contact current of 10.1A, it is ideal for panel mounting applications requiring momentary switch action at temperatures ranging from -40 to 120°C.
SHL-Q2255-01
Omron SHL-Q2255-01 is a SNAP ACTING/LIMIT SWITCH with SPST function. It offers 500000 cycles Electrical Life, 3.5mm Actuator Travel, and 9.81N Max Operating Force. Ideal for PANEL MOUNT applications in environments ranging from -10°C to 80°C with AC/DC contact current of 0.1A@125VAC/0.1A@30VDC respectively.
914CE31-12
The Honeywell 914CE31-12 is a SPDT snap action/limit switch with IP66, IP67, and IP68 sealing. Featuring a TOP ROLLER PLUNGER actuator type with 4mm travel, it has a max operating force of 11.8N and can handle up to 240V AC contact voltage. Ideal for panel mounting applications requiring momentary switch action in temperatures ranging from 0°C to 70°C.
83180001
Crouzet
21EN51-6
The Honeywell Sensing And Control 21EN51-6 is a corrosion-proof SPDT snap action/limit switch with a steel roller plunger. It has a max DC contact voltage of 28V and can handle up to 4A@28VDC. Ideal for panel mount-threaded applications requiring momentary switch action.
D4NL-4EFA-B
XCMN2115L1
11TL604
C & K Components
11TL604 by C & K Components is a snap action/limit switch with SPDT switch function and stainless steel plunger actuator. It has an electrical life of 150,000 cycles, insulation resistance of 1G ohm, and can handle AC contact current up to 15A@250VAC. Ideal for panel mounting applications requiring reliable switching in temperatures ranging from -55°C to 150°C.
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18-40421
Itw Mcmurdo Connectors
18-40421 by Itw Mcmurdo Connectors is a SPDT snap action/limit switch with IP40 sealing. Featuring electrical life of 100000 cycles, it has a max AC contact current of 8A@250VAC and operates in temperatures ranging from -55°C to 180°C. Ideal for applications requiring momentary switch action and through hole-straight mounting.
Itw Switches
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
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