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
VOR1142B6
VOR1142B6
$2.05000
Vishay Semiconductor Opto DivisionSSR RELAY SPST-NO 140MA 0-400VTube6-SMDSurface MountVOR1142-40°C ~ 100°C
VOR1142B6T
VOR1142B6T
$1.78000
Vishay Semiconductor Opto DivisionSSR RELAY SPST-NO 140MA 0-400VTape & Reel (TR),Cut Tape (CT)6-SMDSurface MountVOR1142-40°C ~ 100°C
VOR1142M4
VOR1142M4
$1.56000
Vishay Semiconductor Opto DivisionSSR RELAY SPST-NO 140MA 0-400VTube4-SOPSurface MountVOR1142-40°C ~ 100°C
Vishay Semiconductor Opto DivisionSSR RELAY SPST-NO 140MA 0-400VTape & Reel (TR),Cut Tape (CT)4-SOPSurface MountVOR1142-40°C ~ 100°C
VOR2121A8
VOR2121A8
$2.40000
Vishay Semiconductor Opto DivisionSSR RELAY SPST-NO 200MA 0-250VTube8-DIPThrough HoleVOR2121-40°C ~ 100°C
VOR2121B8
VOR2121B8
$3.43000
Vishay Semiconductor Opto DivisionSSR RELAY SPST-NO 200MA 0-250VTube8-SMDSurface MountVOR2121-40°C ~ 100°C
VOR2121B8T
VOR2121B8T
$3.46000
Vishay Semiconductor Opto DivisionSSR RELAY SPST-NO 200MA 0-250VTape & Reel (TR),Cut Tape (CT)8-SMDSurface MountVOR2121-40°C ~ 100°C
VOR2142A8
VOR2142A8
$3.29000
Vishay Semiconductor Opto DivisionSSR RELAY SPST-NO 140MA 0-400VTube8-DIPThrough HoleVOR2142-40°C ~ 100°C
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