Solid State Relays (SSR)

Solid State Relays (SSR)

A solid state relay (SSR) is an electronic switching device that switches on or off when an external voltage is applied across its control terminals. Unlike traditional electromagnetic relays, SSRs have no moving parts and rely on semiconductor components like thyristors, triacs, diodes, and transistors to perform switching operations. Key features and benefits of solid state relays include: Durability and Longevity: Without mechanical parts, SSRs have a longer operational life and are less prone to wear and tear. Fast Switching: SSRs can switch on and off rapidly, making them suitable for applications requiring high-speed operation. Silent Operation: The absence of mechanical movement results in noiseless switching. Vibration Resistance: Their solid-state nature makes SSRs resistant to shock and vibration, enhancing reliability in harsh environments. Reduced Electromagnetic Interference (EMI): SSRs generate less EMI compared to electromagnetic relays. Solid state relays are commonly used in applications where fast switching, silent operation, and high reliability are required, such as in industrial automation, HVAC systems, lighting controls, and home appliances. They are available in various configurations to handle different voltage and current levels, providing flexibility in design and usage.

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Select productsMfrDescriptionPackageSupplier Device PackageMounting TypeSeriesOperating Temperature
VOR2142B8
VOR2142B8
$2.87000
Vishay Semiconductor Opto DivisionSSR RELAY SPST-NO 140MA 0-400VTube8-SMDSurface MountVOR2142-40°C ~ 100°C
VOR2142B8T
VOR2142B8T
$4.15000
Vishay Semiconductor Opto DivisionSSR RELAY SPST-NO 140MA 0-400VTape & Reel (TR),Cut Tape (CT)8-SMDSurface MountVOR2142-40°C ~ 100°C
VORA1010M4T
VORA1010M4T
$1.66000
Vishay Semiconductor Opto Division1 FORM A SOLID STATE RELAY -SOP-Tape & Reel (TR),Cut Tape (CT)4-SOPSurface Mount--40°C ~ 125°C
VORA1060M4T
VORA1060M4T
$0.95000
Vishay Semiconductor Opto DivisionPHOTO RELAY IN SOP-4 PACKAGE, 60Tape & Reel (TR)----
IXYS Integrated Circuits DivisionSSR RELAY SPST-NO 150MA 0-60VTube8-DIPThrough HoleXAA, OptoMOS®-40°C ~ 85°C
XAA170
XAA170
$2.67000
Littelfuse Inc.SSR RELAY SPST-NO 100MA 0-350VTube8-DIPThrough HoleXAA, OptoMOS®-40°C ~ 85°C
XAA170S
XAA170S
$2.67000
Littelfuse Inc.SSR RELAY SPST-NO 100MA 0-350VTube8-SMDSurface MountXAA, OptoMOS®-40°C ~ 85°C
XAA170STR
XAA170STR
$3.82000
Littelfuse Inc.SSR RELAY SPST-NO 100MA 0-350VTape & Reel (TR),Cut Tape (CT)8-SMDSurface MountXAA, OptoMOS®-40°C ~ 85°C
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