Littelfuse, Inc. Datasheets for Solid State Relays

Solid state relays (SSR) or semiconductor relays are semiconductor devices that can be used in place of mechanical relays to switch electricity to a load in many applications.
Solid State Relays: Learn more

Product Name Notes
Bidirectional normally closed output
Bidirectional normally open output
Optically isolated MOSFET-based solid state power relays in i4-PAC and ISOPLUS-264 packages feature Direct Copper Bond ceramic substrates that enable substantially lower junction-to-case thermal impedance. They are available in AC/DC...
Optically isolated solid state power relays (MOSFET-based). Power SIP Packages: Pin-to-pin compatibility with other solid state relays, easy upgrade path for existing designs, compatibility for new designs.Input to Output Isolation...
Optically isolated solid state power relays (MOSFET-based). Power SOIC Packages: New, low-profile SOIC package, high-current power relays, enhanced I/O isolation.Input to Output Isolation up to 5000VRMS . For power applications...
Optically isolated solid state power relays (MOSFET-based). Power SOIC Packages: New, low-profile SOIC package, high-current power relays, enhanced I/O isolationInput to Output Isolation up to 5000VRMS . For power applications...
Power Semiconductors & Control ICs - Solid State Relays - OptoMOS Relays - Normally Open Relays - Series: 1-Form-A (Voltage Controlled) - CPC1217Y
Power Semiconductors & Control ICs - Solid State Relays - OptoMOS Relays - Normally Open Relays - Series: 1-Form-A: With Transient Voltage Protection - CPC1317P
Specialized OptoMOS® single-pole, normally open Solid State Relays (1-Form-A) with an integrated active current limit and thermal shutdown feature that can replace electromechanical relays while enhancing the robustness of wireline...
SRP1-CB-F
SRP1-CB
SRP1-CR
Suitable for high inrush demand circuits, the Standard Solid State Relay Series 31 V Max 85 A Solid State DC Solenoid Relay Switch (48785) offers extended protection against adverse environments...
Suitable for high inrush demand circuits, the Standard Solid State Relay Series 31 V Max 85 A Solid State DC Solenoid Relay Switch (48785-BX) offers extended protection against adverse environments...
The ESDR Series offers independent time adjustment of both delay periods. Adjustment options include fixed, onboard or external adjust. The ESDR is recommended for air drying, automatic oiling, life testing,...
The KRDM Series is a compact time delay relay measuring only 2 in. (50.8 mm) square. Its solid-state timing circuit provides excellent repeat accuracy and stability. Encapsulation protects against shock,...
The KSDB is designed for general purpose commercial and industrial applications where a small, cost effective, reliable solid-state timer is required. The factory calibration for fixed time delays is within...
The KSDU Series are encapsulated solid-state, delay-on-make timers that combine digital timing circuitry with universal voltage operation. The KSDU is factory fixed from 0.1s to 10,230s and does not include...
The MSM replaces bi-metal type timing with reliable solid-state circuitry. There are no moving parts to arc or wear. It is a cost effective solution for OEM designers. It is...
The OptoMOS ® line of Rapid Turn-On AC Power Relays utilize dual power SCR outputs and provide blocking voltages of up to 800V. The input and output circuits are optically...
The OptoMOS ® line of Rapid Turn-on AC Power utilize dual power SCR outputs and they provide blocking voltages of up to 800V. The input and output circuits are optically...
The OptoMOS® line of AC Power Relays uses dual power SCR outputs to produce an alternative to optocoupler and Triac circuits. These switches provide a blocking voltage of up to...
The OptoMOS® line of power products uses dual power SCR outputs to produce an alternative to optocoupler and Triac circuits. These switches provide a blocking voltage of up to 800...
The OptoMOS® line of power products uses dual power SCR outputs to produce an alternative to optocoupler and Triac circuits. These switches provide a blocking voltage of up to 800V.
The OptoMOS® line of Rapid Turn-On AC Power Relays utilize dual power SCR outputs and provide blocking voltages of up to 800V. The input and output circuits are optically coupled...
The OptoMOS® line of Rapid Turn-on AC Power utilize dual power SCR outputs and they provide blocking voltages of up to 800V. The input and output circuits are optically coupled...
The OptoMOS® line of solid state relays uses discrete semiconductor components and the patented OptoMOS architecture to deliver fast, reliable, bounce-free switching in a compact design. From small single-pole, 4-pin...
The OptoMOS® line of solid state relays uses discrete semiconductor components and the patented OptoMOS® architecture to deliver fast, reliable, bounce-free switching in a compact design. From one of the...
The OptoMOS® line of solid state relays uses discrete semiconductor components and the patented OptoMOS® architecture to deliver fast, reliable, bounce-free switching in a compact design. From small single-pole, 4-pin...
The PHS120A10 relay provides phase control protection with input voltage at 120 V ac and output load rating at steady state (100% on) of 10 A; inrush of 100 A.
The PHS120A20 relay provides phase control protection with input voltage at 120 V ac and output load rating at steady state (100% on) of 20 A; inrush of 200 A.
The PHS120A6 relay provides phase control protection with input voltage at 120 V ac and output load rating at steady state (100% on) of 6 A; inrush of 60 A.
The PHS230A10 relay provides phase control protection with input voltage at 230 V ac and output load rating at steady state (100% on) of 10 A; inrush of 100 A.
The PHS230A20 relay provides phase control protection with input voltage at 230 V ac and output load rating at steady state (100% on) of 20 A; inrush of 200 A.
The PHS230A6 relay provides phase control protection with input voltage at 230 V ac and output load rating at steady state (100% on) of 6 A; inrush of 60 A.
The SIR1A1A4 relay provides solid-state switching protection with input voltage from 9 to 30 V ac/dc and output voltage at 120 V ac.
The SIR1A20A4 relay provides solid-state switching protection with input voltage from 9 to 30 V ac/dc and output voltage at 120 V ac.
The SIR1B6A4 relay provides solid-state switching protection with input voltage from 90 to 150 V ac/dc and output voltage at 120 V ac.
The SIR1B6B4 relay provides solid-state switching protection with input voltage from 90 to 150 V ac/dc and output voltage at 120 V ac.
The SIR1C20B6 relay provides solid-state switching protection with input voltage from 190 to 290 V ac/dc and output voltage at 230 V ac.
The SIR2A20A4 relay provides solid-state switching protection with input voltage from 9 to 30 V ac/dc and output voltage at 120 V ac.
The SIR2B20A4 relay provides solid-state switching protection with input voltage from 90 to 150 V ac/dc and output voltage at 120 V ac.
The SIR2B20B4 relay provides solid-state switching protection with input voltage from 90 to 150 V ac/dc and output voltage at 120 V ac.
The SLR Series has no isolation between the control switch input and the solid-state output. Select the SLR for applications where the control switch is the same voltage source as...
The TA Series prevents rapid recycling of a compressor. A lockout delay is started when the thermostat opens, or input voltage is lost. Eliminates tripped circuit breakers or blown fuses...
The TCR9C relay provides dedicated temperature control with input voltage from 120–240 V ac and output load rating at steady state of 20 A; inrush of 200 A.
The TDR Series of time-delay relays are comprised of digital circuitry and an isolated, 10A relay output. The on and off delays are selected by means of two, ten position...
The TSD Series is designed for more demanding commercial and industrial applications where small size and accurate performance are required. The factory calibration for fixed time delays is within 1%...
The TSDB Series is designed for more demanding commercial and industrial applications where small size, and accurate performance are required. The factory calibration for fixed time delays is within 1%...
The TSDR Series is an ON/OFF or OFF/ON recycling timing module designed to control metering pumps, chemical valves, flash lamps, or use in energy saving or duty cycling applications. It...