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
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.
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
Long electrical life ensures durability and reliability for repeated use over an extended period of time.
Compact body width makes it suitable for installation in tight spaces or crowded panels.
IP40 sealing provides protection against dust and solid objects, making it suitable for various industrial environments.
SPDT switch function allows for versatile control options, increasing flexibility in applications.
Low body height allows for easy integration and installation in different equipment or machinery.
High maximum operating temperature ensures reliable performance in hot environments without compromising functionality.
High AC contact current rating enables handling of larger electrical loads, making it suitable for various applications.
Low minimum operating temperature allows for use in cold environments without affecting performance.
Gold terminal finish ensures excellent conductivity and corrosion resistance for long-lasting performance.
Precise actuator travel provides accurate and consistent switching, enhancing overall control and reliability.
Snap acting/limit switch type combines quick response with precise positioning, ideal for applications requiring specific control parameters.
High AC contact voltage and current rating allows for compatibility with a wide range of electrical systems and equipment.
Compact body length/diameter makes it suitable for installation in confined spaces without compromising functionality.
Moderate operating force ensures ease of actuation while maintaining tactile feedback for reliable operation.
Momentary switch action enables temporary electrical control, adding versatility to the switching capabilities of the product.
Solder termination allows for secure and reliable electrical connections, ensuring consistent performance in demanding applications.
High maximum AC contact voltage rating makes it suitable for use in industrial and commercial applications with varying voltage requirements.
Low pre-travel distance ensures quick actuation and response times, enhancing overall efficiency and performance.
Through hole-straight mounting feature allows for easy and secure installation in a variety of equipment or panels.
Snap Action & Limit Switches 18-40421 attributes and parameters. Explore more Snap Action & Limit Switches devices from Itw Mcmurdo Connectors
Actuator Travel (mm):
Body Width:
Body Height:
Body Length/Diameter:
AC Maximum Rating R Load (Contact):
Maximum AC Contact Current:
Maximum AC Contact Voltage:
Electrical Life:
JESD-609 Code:
Manufacturer Series:
Mounting Feature:
Maximum Operating Force:
Maximum Operating Temperature:
Minimum Operating Temperature:
Maximum Pre Travel:
Sealing:
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.
BAV99
Philips Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Daco Semiconductor
LM358N
National Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
LM317T/NOPB
Texas Instruments
LM317T/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and max input-output voltage differential of 40V. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in electronic circuits. The package style is flange mount with three terminals for easy installation.
1N4148
Micro Commercial Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LM317T
Tt Electronics Plc
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Qualification Status: Not Qualified; JESD-30 Code: R-PSFM-T3;
BAV99WT1G
Fairchild Semiconductor
LM2675M-ADJ/NOPB
LM2675M-ADJ/NOPB by Texas Instruments is a voltage-mode switching regulator with 1A output current, 37V max output voltage, and 260kHz max switching frequency. Ideal for automotive applications due to its -40°C to 125°C operating temperature range and compact small outline package design.
BSS84-7-F
SPC TECHNOLOGY/ MULTICOMP
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Shape: RECTANGULAR; Transistor Element Material: SILICON;
BSS138
Onsemi
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Shape: RECTANGULAR; Terminal Finish: Matte Tin (Sn) - annealed;
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;
NXP Semiconductors
Terry Semiconductor
RECTIFIER DIODE; Surface Mount: NO; Maximum Reverse Recovery Time: .004 us; Config: SINGLE; JESD-609 Code: e0; Maximum Repetitive Peak Reverse Voltage: 100 V;
BSS123,215
NXP Semiconductors' BSS123,215 is a N-CHANNEL FET for SWITCHING applications. Features include 100V DS Breakdown Voltage, 0.17A Drain Current, and 6 ohm On Resistance. With GULL WING terminals and ENHANCEMENT MODE operation, it's ideal for small outline packages in various electronic devices.
SS14
Dc Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Rfe International
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Semitronics
Excel (Suzhou) Semiconductor
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.
2N7002
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Time At Peak Reflow Temperature (s): 30; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
9HM1
Honeywell Sensing And Control
9HM1 by Honeywell Sensing And Control is a Snap Action & Limit Switch with SPDT switch function. It features a body width of 6.35 inch, hermetically sealed for corrosion proof sealing, and operates b/w -184 to 121 °C. Ideal for panel mounting applications, it has a max DC contact voltage of 28V and max operating force of 1.95N.
D2F-01-A
Omron
Omron's D2F-01-A snap action switch offers SPDT functionality with 30VDC voltage and 0.1A current rating. With IP40 sealing, it has a compact body size of 12.8mm length and 5.8mm height, making it ideal for applications requiring precise actuation in limited space environments.
LSA1AA
LSA1AA by Honeywell Sensing And Control is a SPDT snap acting/limit switch with -12 to 100°C operating temperature range. It features side rotary actuator, 250V DC contact voltage, and 600V AC contact voltage. Ideal for panel mounting applications requiring momentary switch action with connector termination type.
BZ-RX47
BZ-RX47 by Honeywell Sensing And Control is a SPDT snap action/limit switch with 15A@480VAC AC max rating. Featuring a plastic plunger actuator, it has a 0.68mm actuator travel and 8.34N max operating force. Ideal for panel mounting applications requiring momentary switch action.
YA-2RQ1243-D6
YA-2RQ1243-D6 by Honeywell Sensing And Control is a SPST snap acting/limit switch with 20A@480VAC AC max rating. Featuring a hardened steel plunger, it has a body width of 17.45 inch and operates at a max temperature of 121°C. Ideal for panel mount-threaded applications requiring momentary switch action.
DC2CA1LB
The Cherry
The Cherry's DC2CA1LB snap action/limit switch has a 6000 cycle electrical life, SPDT switch function, and IP67 sealing. With a max AC contact current of 10.1A@250VAC, it is ideal for applications requiring reliable switching in harsh environments. The compact design with a body width of 6.5 inch and height of 9mm makes it suitable for panel mounting in various industrial settings.
D5B-5011
Omron D5B-5011 is a snap action/limit switch with IP67 sealing, 5000000 cycle electrical life, and 0.03A@30VDC DC max rating. It has a hemispheric actuator type, 0.49N max operating force, and 0.6mm max pre travel. Ideal for panel mounting applications in environments with temperatures ranging from -10 to 70°C.
BZ-2RW82-A2
BZ-2RW82-A2 by Honeywell is a SNAP ACTING/LIMIT SWITCH with SPDT switch function. It has a SILVER-plated contact, PHENOLIC housing, and STEEL ROLLER actuator. With 15A@480VAC AC max rating, it's ideal for PANEL MOUNT applications in environments ranging from -55°C to 85°C.
LCGHF5A10RC
C & K Components
LCGHF5A10RC by C & K Components is a SPDT snap acting/limit switch with 6000 cycles electrical life. Featuring lever roller high force actuator, it has 4.3mm actuator travel and 0.56N max operating force. Ideal for applications requiring momentary switch action in temperatures ranging from -25°C to 85°C.
41SM1-H2
41SM1-H2 by Honeywell is a SPDT snap action/limit switch with 6.35" body width, 9.04mm height, and 0.89mm actuator travel. It has a max AC contact current of 1A@250VAC and DC contact current of 5A@30VDC. Ideal for applications requiring momentary switch action with solder termination type.
ESE18R11C
Panasonic
ESE18R11C by Panasonic is a SPST snap action/limit switch with 50000 cycles electrical life. Featuring a lever actuator, it has a max operating force of 0.3N and operates at temperatures ranging from -10°C to 60°C. Ideal for applications requiring momentary switch action, such as surface mount-right angle installations.
DB1CA1LB
The Cherry's DB1CA1LB is a SPDT snap acting/limit switch with 6000 cycles electrical life. Featuring a short straight lever actuator, it has a max operating temperature of 120°C and can handle up to 5A@250VAC. Ideal for panel mounting applications requiring precise momentary switch action.
JE-5
JE-5 by Honeywell Sensing And Control is a SNAP ACTING/LIMIT SWITCH with 3.81mm ROLLER TYPE actuator travel and 3.34N max operating force. It features MOMENTARY switch action, WIRE termination type, and PANEL mounting feature. Ideal for applications requiring precise control in industrial machinery and equipment.
D2F-01F-D3
Omron's D2F-01F-D3 is a SPDT snap action/limit switch with 30VDC contact voltage and 0.1A current rating. With IP40 sealing, it has a body width of 5.8" and actuator travel of 0.75mm. Ideal for panel mounting applications requiring momentary switch action in temperatures ranging from -25°C to 65°C.
11HM1
11HM1 by Honeywell Sensing And Control is a snap action/limit switch with SPDT function, hermetically sealed body, and plunger actuator. It has a max operating temperature of 121°C and can handle up to 1A AC current. Ideal for panel mounting applications requiring corrosion-proof and reliable switching capabilities.
311SX4-T
311SX4-T by Honeywell is a SNAP ACTING/LIMIT SWITCH with SPDT switch function. It features ROLLER LEVER actuator type, SILVER plating, and PHENOLIC housing material. Ideal for applications requiring momentary switch action with max AC contact current of 5A@250VAC.
4SX37-H58
4SX37-H58 by Honeywell is a SPDT snap action/limit switch with 5.08" width, 8.89mm height, and 0.75mm actuator travel. It has a max operating temperature of 204°C and can handle up to 7A@250VAC. Ideal for panel mounting applications requiring momentary switch action with plastic plunger actuator.
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.
6HM1-1
6HM1-1 by Honeywell is a hermetically sealed SPDT snap acting/limit switch with a body width of 6.35in and max operating temperature of 260°C. It has a max AC contact current of 2.5A@115VAC, making it ideal for panel mount applications requiring precise momentary switch action in harsh environments.
BZ-2RL2T04
Honeywell Sensing And Control's BZ-2RL2T04 is a SPDT snap acting/limit switch with 5.48mm actuator travel and 1.39N max operating force. Its corrosion-proof sealing makes it ideal for panel mount applications requiring momentary switch action in industrial settings.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
18-40421
Itw Switches
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;
Itw Mcmurdo Connectors
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved