Solid State Relays Brochure 2022
Learn about our broad array of SSR, which we can supply off the shelf or build to your specifications in several configurations.
Link has been copied to clipboardNormally Closed Relays
Normally closed OptoMOS® solid state relays make highly efficient and reliable options for ensuring the continuous flow of direct current. Unlike electromechanical relays, these semiconductor assemblies contain no moving parts. This prevents fatigue and failure while also providing space and weight savings. Littelfuse makes one-pole, dual-pole, voltage-controlled, and dc-only normally closed relays. You will find our OptoMOS relays in data acquisition devices, industrial control modules, medical equipment, meters, and security systems.
- Available with blocking voltage ratings from 30 V to 800 V
- Available with load current ratings from 75 mA to 3.25 A
- Available with a broad range of on-state resistance ratings, from 300 mΩ to 50 Ω
- Isolation voltage ratings up to 5 kV
- Housings have UL 94 flammability ratings of V-0
- Output capacitance lower than 1 nF
- Certified lead-free and RoHS compliant
- Available with unidirectional or bidirectional polarity
- Configured with 4, 6, or 8 pins
- Generate no electromagnetic or radio frequency interference
- Low drive current requirements
- Optically isolated outputs and galvanic isolation from input to output
Normally Closed Relays Parts
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