Optocouplers/Photocouplers

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OptoMOS 1-Form-A (SPST-NO) Solid State Relays

Littelfuse offers an extensive portfolio of 1-Form-A (SPST-NO) Solid State Relays (SSRs) in various PC board-mount package sizes. These relays feature load current ratings from 50mA to 9A (20A with heat sink), and 30V to 1000V load voltage ratings. 1-Form-A relays are available in SOP-4, SIP-4, SMD DIP-4, SMD DIP-6, SOIC-16, Power i4-PAC, and ISOPLUS-264 packages. Fault-protected SSRs with active current limit and thermal shutdown are also available from Littelfuse to offer robust and rugged switching solutions.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Output Type
Solid State Relays - PCB Mount SP, Normally-Open OptoMOS Relay CPC1540G IXYS Integrated Circuits 1: 5,04 € Non-Stocked Lead-Time 34 Weeks End of Life	Mfr. Part No. CPC1540G Mouser Part No 849-CPC1540G End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount SP, Normally-Open OptoMOS Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 34 Weeks	5,04 € 4,49 € 4,29 € 4,14 € View 3,99 € 3,81 €	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 60V, 1A, Single Pole, Normally Open Current Limiting Relay CPC1561B IXYS Integrated Circuits 1: 9,32 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. CPC1561B Mouser Part No 849-CPC1561B End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 60V, 1A, Single Pole, Normally Open Current Limiting Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	9,32 € 8,31 € 7,93 € 7,65 € View 7,39 € 6,54 €	Min.: 1 Mult.: 1	PCB Mount	SOIC-16	MOSFET
Solid State Relays - PCB Mount SP, Normally-Open OptoMOS Relay CPC1563GSTR IXYS Integrated Circuits 1: 5,63 € Non-Stocked Lead-Time 26 Weeks End of Life	Mfr. Part No. CPC1563GSTR Mouser Part No 849-CPC1563GSTR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount SP, Normally-Open OptoMOS Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape 5,63 € 5,28 € 4,70 € 4,45 € View Reel 3,72 € 4,22 € 4,01 € 3,87 € 3,72 €	Min.: 1 Mult.: 1 : 1.000
Solid State Relays - PCB Mount 600V 0.2mA AC Power Switch CPC1961G IXYS Integrated Circuits 1: 3,86 € Non-Stocked Lead-Time 23 Weeks End of Life	Mfr. Part No. CPC1961G Mouser Part No 849-CPC1961G End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 600V 0.2mA AC Power Switch Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 23 Weeks	3,86 € 3,45 € 3,29 € 3,16 € View 3,04 € 2,91 € 2,82 € 2,79 € 2,77 €	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 600V 0.2mA AC Power Switch CPC1961GS IXYS Integrated Circuits 1: 3,86 € Non-Stocked Lead-Time 23 Weeks End of Life	Mfr. Part No. CPC1961GS Mouser Part No 849-CPC1961GS End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 600V 0.2mA AC Power Switch Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 23 Weeks	3,86 € 3,45 € 3,29 € 3,16 € View 3,04 € 2,90 € 2,86 € 2,83 € 2,82 €	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 600V, 0.5mA AC Power Switch CPC1963GS IXYS Integrated Circuits 1: 10,45 € Non-Stocked Lead-Time 47 Weeks End of Life	Mfr. Part No. CPC1963GS Mouser Part No 849-CPC1963GS End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 600V, 0.5mA AC Power Switch Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 47 Weeks	10,45 € 9,31 € 8,89 € 8,57 € View 8,26 € 7,37 €	Min.: 1 Mult.: 1	PCB Mount		SCR
Solid State Relays - PCB Mount AC Switch w/ Dual Power Outputs CPC1964B IXYS Integrated Circuits Non-Stocked Lead-Time 23 Weeks	Mfr. Part No. CPC1964B Mouser Part No 849-CPC1964B	IXYS Integrated Circuits	Solid State Relays - PCB Mount AC Switch w/ Dual Power Outputs Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 23 Weeks		Request a Quote	PCB Mount		SCR
Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole LAA100 IXYS Integrated Circuits 1: 8,36 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LAA100 Mouser Part No 849-LAA100 End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	8,36 € 7,46 € 7,12 € 6,86 € View 6,63 € 5,96 €	Min.: 1 Mult.: 1	PCB Mount	DIP-8	MOSFET
Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole LAA100LS IXYS Integrated Circuits 1: 8,85 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LAA100LS Mouser Part No 849-LAA100LS End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	8,85 € 8,09 € 7,45 € 7,12 € View 6,81 € 6,41 €	Min.: 1 Mult.: 1	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole LAA100LSTR IXYS Integrated Circuits 1: 8,44 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LAA100LSTR Mouser Part No 849-LAA100LSTR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape 8,44 € 7,72 € 7,10 € 6,80 € View Reel 5,71 € 6,50 € 6,12 € 5,91 € 5,71 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP LAA100S IXYS Integrated Circuits 1: 9,13 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LAA100S Mouser Part No 849-LAA100S End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	9,13 € 8,56 € 7,61 € 7,22 € View 6,84 € 6,28 €	Min.: 1 Mult.: 1	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount 250V 170mA Dual Single-Pole LAA120L IXYS Integrated Circuits 1: 9,13 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LAA120L Mouser Part No 849-LAA120L End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 250V 170mA Dual Single-Pole Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	9,13 € 8,56 € 7,61 € 7,22 € 6,57 €	Min.: 1 Mult.: 1	PCB Mount	DIP-8	MOSFET
Solid State Relays - PCB Mount 250V 170mA Dual Single-Pole LAA120LS IXYS Integrated Circuits 1: 9,13 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LAA120LS Mouser Part No 849-LAA120LS End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 250V 170mA Dual Single-Pole Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	9,13 € 8,56 € 7,61 € 7,22 € 6,57 €	Min.: 1 Mult.: 1	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount 250V 170mA Dual Single-Pole LAA120STR IXYS Integrated Circuits 1: 7,37 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LAA120STR Mouser Part No 849-LAA120STR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 250V 170mA Dual Single-Pole Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape 7,37 € 6,57 € 6,28 € 6,06 € View Reel 5,21 € 5,86 € 5,56 € 5,38 € 5,21 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount 350V 170mA Dual Single-Pole LAA125L IXYS Integrated Circuits 1: 8,36 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LAA125L Mouser Part No 849-LAA125L End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 350V 170mA Dual Single-Pole Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	8,36 € 7,46 € 7,12 € 6,86 € View 6,63 € 6,22 €	Min.: 1 Mult.: 1	PCB Mount	DIP-8	MOSFET
Solid State Relays - PCB Mount 350V 170mA Dual Single-Pole LAA125STR IXYS Integrated Circuits 1: 7,98 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LAA125STR Mouser Part No 849-LAA125STR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 350V 170mA Dual Single-Pole Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape 7,98 € 7,48 € 6,66 € 6,32 € View Reel 5,16 € 5,99 € 5,54 € 5,35 € 5,16 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount 250V 200mA Dual Single-Pole LAA127LSTR IXYS Integrated Circuits 1: 10,29 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LAA127LSTR Mouser Part No 849-LAA127LSTR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 250V 200mA Dual Single-Pole Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape 10,29 € 9,15 € 8,69 € 8,24 € View Reel 6,97 € 7,84 € 7,48 € 7,23 € 6,97 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA LCA100 IXYS Integrated Circuits 1: 5,45 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LCA100 Mouser Part No 849-LCA100 End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	5,45 € 5,11 € 4,54 € 4,30 € View 4,08 € 3,87 €	Min.: 1 Mult.: 1	PCB Mount	DIP-6	MOSFET
Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA LCA100LS IXYS Integrated Circuits 1: 5,34 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LCA100LS Mouser Part No 849-LCA100LS End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	5,34 € 4,76 € 4,55 € 4,39 € View 4,24 € 4,05 €	Min.: 1 Mult.: 1	PCB Mount	SMD DIP-6	MOSFET
Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA LCA100LSTR IXYS Integrated Circuits 1: 5,39 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LCA100LSTR Mouser Part No 849-LCA100LSTR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape 5,39 € 5,06 € 4,49 € 4,27 € View Reel 3,57 € 4,04 € 3,84 € 3,71 € 3,57 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCB Mount	SMD DIP-6	MOSFET
Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA LCA100STR IXYS Integrated Circuits 1: 5,06 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LCA100STR Mouser Part No 849-LCA100STR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape 5,06 € 4,63 € 4,26 € 4,08 € View Reel 3,48 € 3,90 € 3,73 € 3,60 € 3,48 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCB Mount	SMD DIP-6	MOSFET
Solid State Relays - PCB Mount Single-Pole Relay 250V 170mA LCA120LSTR IXYS Integrated Circuits 1: 5,50 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LCA120LSTR Mouser Part No 849-LCA120LSTR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount Single-Pole Relay 250V 170mA Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape 5,50 € 4,90 € 4,58 € 4,35 € View Reel 3,59 € 4,12 € 3,91 € 3,78 € 3,59 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCB Mount	SMD DIP-6	MOSFET
Solid State Relays - PCB Mount Single-Pole Relay 300V 170mA LCA125L IXYS Integrated Circuits 1: 6,73 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LCA125L Mouser Part No 849-LCA125L End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount Single-Pole Relay 300V 170mA Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	6,73 € 6,30 € 5,61 € 5,31 € 4,94 €	Min.: 1 Mult.: 1	PCB Mount	DIP-6	MOSFET
Solid State Relays - PCB Mount Single Pole OptoMOS 1-Form-A,300V,170mA LCA125LS IXYS Integrated Circuits 1: 6,73 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LCA125LS Mouser Part No 849-LCA125LS End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount Single Pole OptoMOS 1-Form-A,300V,170mA Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	6,73 € 6,30 € 5,61 € 5,31 € 4,94 €	Min.: 1 Mult.: 1	PCB Mount	SMD DIP-6
Solid State Relays - PCB Mount Single-Pole Relay 300V 170mA LCA125S IXYS Integrated Circuits 1: 6,62 € Non-Stocked Lead-Time 36 Weeks End of Life	Mfr. Part No. LCA125S Mouser Part No 849-LCA125S End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount Single-Pole Relay 300V 170mA Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	Non-Stocked Lead-Time 36 Weeks	6,62 € 6,21 € 5,52 € 5,24 € 4,86 €	Min.: 1 Mult.: 1	PCB Mount	SMD DIP-6	MOSFET

OptoMOS 1-Form-A (SPST-NO) Solid State Relays

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