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
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...
Solid state circuitry means no moving parts to wear out. Fully encapsulated construction gives extended protection against adverse environments.Feature s and BenefitsFully electronic switching mechanism: no electrical arcsResistant to vibration...
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...
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 KSPD Series is a factory programmed module available with 1 of 12 standard dual functions. The time delays can be factory fixed, externally or onboard adjustable, or a combination...
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 800V.
The OptoMOS® line of Rapid Turn-On AC Power Relays utilize dual power SCR outputs and provide blocking voltages of up to 800Vp. 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 800Vp. 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 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 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 world's...
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 TCR9C of solid-state temperature control is a low cost modular approach to accurate control of temperature. The high power output is available in 6, 10 and 20 amperes and...
The TDU Series are encapsulated solid-state, delay-on-make timers that combine digital timing circuitry with universal voltage operation. The TDU offers DIP switch adjustment allowing accurate selection of the time delay...
The TSA141300 utilizes the Versa-Time circuitry in a unique arrangement that provides random start and a lockout delay in one small, rugged, inexpensive package. When connected as shown, the TSA141300...