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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21SX39-T by Honeywell Sensing And Control is a SPDT snap action/limit switch with a body width of 5.08" and height of 8.89mm. It has a max operating temperature of 85°C, AC contact current of 7A, and DC contact voltage of 28V. Ideal for panel mounting applications requiring a plunger actuator with momentary switch action.
Median Price
$16.020
Lifecycle Status
Suppliers In-Stock
25
In-Stock Inventory
1k+
Powell Electronics
1+ parts
$6.800
100+ parts
-
1k+ parts
10k+ parts
Sager
$14.670
$9.680
$9.490
TTI
$15.680
$10.810
$10.390
Mouser Electronics
$10.450
$10.060
DigiKey
$17.800
$12.988
Newark
$19.350
$17.030
$16.780
RS (Exports)
$19.680
$13.980
RS Americas
$24.440
$17.350
Element14
$26.810
$25.270
Master Electronics
$9.270
$9.170
Verical
$11.368
PEI Genesis
Chip1Stop
Nova Conductors
$12.940
TME
$24.390
$22.720
Vyrian
IBS Electronics
$13.001
$12.861
Bisco
Electro Sonic
$10.400
$9.390
Electro Enterprises
FDH Electronics
VNN
Century Electronics Ltd.
Jaybe Electronics
Q Components
Aztec Data Supply Inc.
$0.944
Corohmni
$1.135
Semicontronic
$8.900
$8.678
$8.633
Ampacity Inc.
Advanced Electronics
$11.515
Continental Prestige Electronics
$12.895
$12.637
Netroflash
$12.293
$12.034
Allen Electronics Distributors
$19.160
$15.900
Neutron USA
$61.030
Perfect Parts
Argo Parts USA
Robosynatics
$10.852
Lucentia Tech
The wide body provides stability and durability to the switch, making it suitable for heavy-duty applications.
Single-Pole Double-Throw function allows for versatile control options, making it ideal for various circuit configurations.
The low profile design makes it suitable for applications with limited space, offering flexibility in installation.
With a high operating temperature, this switch can withstand harsh environmental conditions, ensuring reliable performance.
The high current rating allows for handling of heavy electrical loads, making it suitable for industrial applications.
Gold terminal finish provides excellent conductivity and corrosion resistance, ensuring reliable electrical connections.
The precise actuator travel ensures accurate and consistent switching, enhancing the overall performance of the switch.
The plunger-type actuator offers a tactile feedback and precise control, making it suitable for applications where accuracy is critical.
The high DC contact voltage rating allows for safe operation in DC circuits, providing versatility in application.
The snap acting feature provides quick switching action, while the limit switch function offers precise control over the system.
The high AC contact voltage rating ensures compatibility with standard AC circuits, making it suitable for a wide range of applications.
The low operating force requirement ensures ease of actuation, reducing operator fatigue and improving user experience.
Solder termination provides a reliable and secure connection, minimizing the risk of electrical faults or disconnections.
The minimal pre-travel distance ensures quick response and reduces lag time in switching, enhancing the efficiency of the switch.
Panel mounting allows for easy and secure installation on control panels or equipment, ensuring stability and ease of access for maintenance.
Snap Action & Limit Switches 21SX39-T attributes and parameters. Explore more Snap Action & Limit Switches devices from Honeywell Sensing And Control
Actuator Travel (mm):
Type (Actuator):
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:
Mounting Feature:
Maximum Operating Force:
Maximum Operating Temperature:
Maximum Pre Travel:
Switch Action:
Switch Function:
Switch Type:
Terminal Finish:
Termination Type:
21SX39-T Switches trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.50.70.00
SB
Honeywell traces its roots to 1885 with Albert Butz's firm, Butz-Thermo Electric Regulator, which produced a predecessor to the modern thermostat. Today, Honeywell is a global multi-industry behemoth with one of the largest installed bases of equipment. The firm operates through four business segments, including aerospace, building technologies, performance materials and technologies, and safety and productivity solutions. In recent years, the firm has made several portfolio changes, including the addition of Intelligrated in 2016, as well as the spins of Garrett Technologies and Resideo in 2018. In 2019, the firm launched Honeywell Forge, its enterprise performance management software solution that leverages the firm's domain expertise in buildings, airlines, and critical infrastructure.
LL4148
First Components International
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Good-ark Electronics
1N4148WS
Synsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
FDN306P
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .5 W; Maximum Drain Current (Abs) (ID): 2.6 A; Operating Mode: ENHANCEMENT MODE;
M39029/58-360
Positronic Industries
CONNECTOR ACCESSORY; MIL-Connector Accessory Name: CONTACT; DIN Conformity: NO; National Stock Number (NSN): 5999004733551; Mating Contacts: M39029/56-348, M39029/57-354; Contact Type: CRIMP REAR RELEASE;
261
Deltrol Controls
Other Relays;
1N4148
Rugao Dachang Electronic
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LM317T
Samsung
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Maximum Load Regulation (%): 1.5 %; Operating Temperature (TJ-Min): 0 Cel; Maximum Line Regulation (%/V): .07;
Tak Cheong Electronics Holdings
Sensitron Semiconductor
BAV99
Toshiba
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM555CN
Intersil
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
B340A-13-F
SPC TECHNOLOGY/ MULTICOMP
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
American Power Devices
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.
1N4148WT
Surge Components
Frontier Electronics
2N2222A
Space Power Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
2N7002
Comchip Technology
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Operating Temperature: 150 Cel; Operating Mode: ENHANCEMENT MODE;
FDC5614P
TAIZHOU ELECTRONICS CO LTD
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 1.92 W; Maximum Operating Temperature: 150 Cel; Package Body Material: PLASTIC/EPOXY;
F69-30A
The Cherry
The Cherry F69-30A snap action/limit switch has SPDT function, 10A@250VAC AC contact current, and -40 to 85 °C operating temperature range. Ideal for panel mounting applications requiring quick connect termination with polyester housing and brass terminals.
1XE202
Honeywell Sensing And Control
1XE202 by Honeywell is a snap action/limit switch with SPST function, steel plunger actuator, and corrosion-proof sealing. It has a max AC contact current of 7A@115VAC and DC contact current of 7A@28VDC. Ideal for panel mounting applications requiring a durable switch with momentary action.
AV404461
Panasonic
AV404461 by Panasonic is a SPDT snap action/limit switch with 200000 cycle electrical life. Featuring a simulated roller lever actuator, it has a max operating force of 0.29N and operates at temperatures ranging from -25°C to 80°C. Ideal for applications requiring momentary switch action in industrial settings.
SAJ405XHL0N30SNOUPQ
TE Connectivity
TE Connectivity's SAJ405XHL0N30SNOUPQ is a SPST snap action/limit switch with 0.5A AC contact current and 30V DC contact voltage. Featuring a lever actuator, it has a max operating force of 0.49N and silver end contact material. Ideal for panel mounting applications requiring precise switching capabilities.
ADPDC2W04AC
Itt Cannon
The ITT Cannon ADPDC2W04AC is a DPDT snap acting/limit switch with 200000 cycles electrical life. Featuring a body width of 16.3mm and max AC contact current of 15A, it's ideal for panel mount applications. With a quick connect termination type and leaf roller actuator, this switch offers reliable performance in temperatures ranging from -55°C to 85°C.
XCG3-S1Z1
Johnson Electric Group
Snap Acting/Limit Switches;
XCKP2145P16
Schneider Electric Sa
SNAP ACTING/LIMIT SWITCH;
41SM1-H251
41SM1-H251 by Honeywell is a SPDT snap action/limit switch with a plastic plunger actuator. It has a max AC contact current of 11A@250VAC and DC contact current of 5A@30VDC. Ideal for panel mounting applications, it offers a body width of 6.35in and operates in temperatures ranging from -54°C to 121°C.
BZ-RLX
BZ-RLX by Honeywell Sensing And Control is a 17.45" snap action switch with SPDT function, suitable for panel mounting. It has a max AC contact current of 15A@480VAC and DC contact current of 0.5A@125VDC. Ideal for applications requiring corrosion-proof sealing and momentary switch action.
SS-01GL13
Omron
Omron SS-01GL13 is a SPDT snap action/limit switch with 200000 cycles electrical life. Featuring IP40 sealing, it has 0.1A@125VAC AC max rating and 0.1A@30VDC DC max rating. Ideal for panel mounting applications, it offers a simulated roller lever actuator with 2mm travel and MOMENTARY switch action.
D2D-1000
Omron's D2D-1000 is a SPDT snap acting/limit switch with 4A@380VAC AC rating, 100000 cycle electrical life, and IP40 sealing. Ideal for panel mounting applications requiring a reliable switch with N.O.-N.C. contact function and quick connect termination.
18HM1-1
18HM1-1 by Honeywell Sensing And Control is a snap action/limit switch with SPDT function. It features a body width of 6.35 inch, hermetically sealed for corrosion proofing, and can operate in temperatures ranging from -65 to 260 °C. Ideal for panel mounting applications requiring a max AC contact voltage of 115V and DC contact current of 1A.
SSCEB31C
SSCEB31C by Honeywell Sensing And Control is a SPDT snap acting/limit switch with IP68 sealing. It features a roller plunger actuator, 4mm travel, and 11.9N max operating force. Ideal for panel mounting applications requiring momentary switch action in temperatures ranging from -40°C to 90°C.
ASKHC2B14AC
C & K Components
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): LARGE BLACK BUTTON; Dielectric Withstand Volts (V): 1000VRMS; Maximum AC Contact Current: 15 A;
1CPSA1B
1CPSA1B by Honeywell is a snap action/limit switch with SPST function, IP67 sealing, and 2.8A@24VAC AC max rating. It has a body width of 99.06in and is suitable for panel mounting applications requiring momentary switch action in environments with temperatures ranging from -25°C to 85°C.
D3V-162-1A5
Omron D3V-162-1A5 is a SPDT snap acting/limit switch with 100000 cycles electrical life. It has a max AC contact current of 16A@250VAC and operates b/w -25°C to 105°C. Ideal for panel mounting applications, it features a hinge lever actuator with 5.6mm travel and IP00 sealing.
XCF3-S1Z1
GLDC01D
The Honeywell Sensing And Control GLDC01D is a 30mm snap action/limit switch with SPDT function, IP66 sealing, and roller arm actuator. It has a max AC contact current of 6A@120VAC and DC contact current of 0.55A@125VDC. Ideal for panel mounting applications requiring momentary switch action in temperatures ranging from -25°C to 85°C.
LSA1A-4M
The Honeywell Sensing And Control LSA1A-4M is a SPDT snap action/limit switch with side rotary actuator. It has a max operating temperature of 121°C and min of -12°C. Suitable for panel mounting, it offers momentary switch action with max contact voltages of 250V DC and 600V AC.
TMCGF5ST1040C
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): LEVER, HIGH FORCE; Length (Actuator): .11 inch; Minimum Operating Temperature: -55 Cel;
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21SX39-T2
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): PLASTIC PLUNGER; Maximum DC Contact Current: 7 A; Switch Action: MOMENTARY;
21SX1-T
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): PLASTIC PLUNGER; Body Height: 8.89 mm; Actuator Travel (mm): .6;
21SX88
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): PLASTIC PLUNGER; Maximum Pre Travel: .51 mm; Actuator Travel (mm): .6;
21SX39-H58
SNAP ACTING/LIMIT SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: SPDT; Type (Actuator): PLASTIC PLUNGER; Maximum DC Contact Current: 7 A; Body Width: 5.08 inch;
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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