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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 (PLN) Filter the results in the table by unit price based on your quantity.	Qty.
Solid State Relays - PCB Mount 8-Pin Power SOIC CPC1966B IXYS Integrated Circuits 1: 37,18 zł 1 905In Stock 1 725Expected 3/24/2027	Mfr. Part No. CPC1966B Mouser Part No 849-CPC1966B	IXYS Integrated Circuits	Solid State Relays - PCB Mount 8-Pin Power SOIC Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	1 905In Stock 1 725Expected 3/24/2027	37,18 zł 33,13 zł 31,59 zł 30,49 zł View 29,39 zł 27,50 zł 26,93 zł 26,27 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount AC Switch 3A, 600V CPC1966Y IXYS Integrated Circuits 1: 32,56 zł 374In Stock 7 650On Order	Mfr. Part No. CPC1966Y Mouser Part No 849-CPC1966Y	IXYS Integrated Circuits	Solid State Relays - PCB Mount AC Switch 3A, 600V Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	374In Stock 7 650On Order On Order Ship Dates Mfr. No: CPC1966Y Stock: 374 Can Dispatch Immediately On Order: 1 000 Expected 11/12/2026 6 650 Expected 1/25/2027 Factory Lead Time: 23 Weeks	32,56 zł 29,00 zł 26,84 zł 26,00 zł 24,95 zł	Min.: 1 Mult.: 1
Triac & SCR Output Optocouplers 600V Single Pole SIP Power Relay CPC1976Y IXYS Integrated Circuits 1: 29,26 zł 2 821In Stock 4 050On Order	Mfr. Part No. CPC1976Y Mouser Part No 849-CPC1976Y	IXYS Integrated Circuits	Triac & SCR Output Optocouplers 600V Single Pole SIP Power Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	2 821In Stock 4 050On Order On Order Ship Dates Mfr. No: CPC1976Y Stock: 2 821 Can Dispatch Immediately On Order: 3 625 Expected 11/12/2026 425 Expected 1/8/2027 Factory Lead Time: 23 Weeks	29,26 zł 24,07 zł 20,94 zł 19,67 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 600V, 1A AC Solid State Relay IXYS Integrated Circuits CPC1965G CPC1965G IXYS Integrated Circuits 1: 32,03 zł 11 329In Stock 10 775Expected 9/10/2027 End of Life	Mfr. Part No. CPC1965G Mouser Part No 849-CPC1965G End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 600V, 1A AC Solid State Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	11 329In Stock 10 775Expected 9/10/2027	32,03 zł 28,56 zł 25,70 zł 24,77 zł View 23,89 zł 22,09 zł 21,69 zł 21,21 zł Quote	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 1-Form-A 60V 100mA Solid State Relay CPC1017NTR IXYS Integrated Circuits 1: 7,74 zł 2 153In Stock 216 000On Order End of Life	Mfr. Part No. CPC1017NTR Mouser Part No 849-CPC1017NTR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 1-Form-A 60V 100mA Solid State Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	2 153In Stock 216 000On Order On Order Ship Dates Mfr. No: CPC1017NTR Stock: 2 153 Can Dispatch Immediately On Order: 68 000 Expected 11/6/2026 68 000 Expected 3/11/2027 80 000 Expected 5/25/2027 Factory Lead Time: 30 Weeks	Cut Tape 7,74 zł 6,91 zł 6,64 zł 6,38 zł View Reel 5,10 zł 6,16 zł 5,90 zł 5,68 zł 5,10 zł 5,10 zł MouseReel Available	Min.: 1 Mult.: 1 : 2 000
Solid State Relays - PCB Mount 1-Form-A 60V 750mA Solid State Relay CPC1019N IXYS Integrated Circuits 1: 16,15 zł 4 926In Stock 4 100Expected 6/2/2027 End of Life	Mfr. Part No. CPC1019N Mouser Part No 849-CPC1019N End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 1-Form-A 60V 750mA Solid State Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	4 926In Stock 4 100Expected 6/2/2027	16,15 zł 14,56 zł 13,64 zł 13,02 zł View 12,54 zł 11,92 zł 11,53 zł 11,18 zł 11,13 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 1-Form-A 350V 120mA Solid State Relay CPC1230NTR IXYS Integrated Circuits 1: 13,16 zł 2 149In Stock End of Life	Mfr. Part No. CPC1230NTR Mouser Part No 849-CPC1230NTR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 1-Form-A 350V 120mA Solid State Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	2 149In Stock	Cut Tape 13,16 zł 12,32 zł 10,96 zł 10,47 zł View Reel 9,06 zł 10,12 zł 9,68 zł 9,33 zł 9,06 zł 9,06 zł MouseReel Available	Min.: 1 Mult.: 1 : 2 000
Solid State Relays - PCB Mount 600V 90mA Single OptoMOS Relay CPC1393G IXYS Integrated Circuits 1: 18,00 zł 1 005In Stock End of Life	Mfr. Part No. CPC1393G Mouser Part No 849-CPC1393G End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 600V 90mA Single OptoMOS Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	1 005In Stock	18,00 zł 16,06 zł 15,31 zł 14,78 zł View 14,21 zł 13,46 zł 13,16 zł 12,58 zł 12,01 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 1-Form-A; 600V,120mA 5000Vrms Isolation CPC1394GRTR IXYS Integrated Circuits 1: 15,84 zł 4 527In Stock 3 000Expected 2/17/2027 End of Life	Mfr. Part No. CPC1394GRTR Mouser Part No 849-CPC1394GRTR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 1-Form-A; 600V,120mA 5000Vrms Isolation Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	4 527In Stock 3 000Expected 2/17/2027	Cut Tape 15,84 zł 14,61 zł 14,12 zł 13,60 zł Reel 12,32 zł View 12,98 zł 12,67 zł 12,23 zł MouseReel Available	Min.: 1 Mult.: 1 : 1 000
Solid State Relays - PCB Mount SP, Normally-Open OptoMOS Relay CPC1540GS IXYS Integrated Circuits 1: 23,36 zł 448In Stock 2 950Expected 4/19/2027 End of Life	Mfr. Part No. CPC1540GS Mouser Part No 849-CPC1540GS 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	448In Stock 2 950Expected 4/19/2027	23,36 zł 21,91 zł 19,49 zł 18,52 zł View 17,51 zł 16,63 zł 16,10 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 1-Form-A; 60V, 4ADC 2500Vrms Isolation CPC1706Y IXYS Integrated Circuits 1: 27,90 zł 973In Stock 8 875On Order End of Life	Mfr. Part No. CPC1706Y Mouser Part No 849-CPC1706Y End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 1-Form-A; 60V, 4ADC 2500Vrms Isolation Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	973In Stock 8 875On Order On Order Ship Dates Mfr. No: CPC1706Y Stock: 973 Can Dispatch Immediately On Order: 3 775 Expected 3/1/2027 5 100 Expected 4/12/2027 Factory Lead Time: 39 Weeks	27,90 zł 25,52 zł 23,67 zł 22,84 zł View 22,09 zł 21,08 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 60V Single Pole 60V Power Relay CPC1909J IXYS Integrated Circuits 1: 79,51 zł 479In Stock 325Expected 12/25/2026 End of Life	Mfr. Part No. CPC1909J Mouser Part No 849-CPC1909J End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 60V Single Pole 60V Power Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	479In Stock 325Expected 12/25/2026	79,51 zł 73,13 zł 69,26 zł 65,43 zł View 63,05 zł 60,19 zł 58,12 zł	Min.: 1 Mult.: 1
Triac & SCR Output Optocouplers 400V, 1mA AC Solid State Relay CPC1945G IXYS Integrated Circuits 1: 36,08 zł 105In Stock End of Life	Mfr. Part No. CPC1945G Mouser Part No 849-CPC1945G End of Life	IXYS Integrated Circuits	Triac & SCR Output Optocouplers 400V, 1mA AC Solid State Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	105In Stock	36,08 zł 27,94 zł 22,57 zł 20,72 zł View 19,71 zł 19,27 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 1000V Single Pole SIP Power Relay CPC1981Y IXYS Integrated Circuits 1: 31,99 zł 834In Stock 2 925On Order End of Life	Mfr. Part No. CPC1981Y Mouser Part No 849-CPC1981Y End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 1000V Single Pole SIP Power Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	834In Stock 2 925On Order On Order Ship Dates Mfr. No: CPC1981Y Stock: 834 Can Dispatch Immediately On Order: 1 425 Expected 2/12/2027 1 500 Expected 12/3/2027 Factory Lead Time: 54 Weeks	31,99 zł 29,26 zł 27,02 zł 26,09 zł View 25,21 zł 24,07 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 120MA DPST 8-DIP LAA110 IXYS Integrated Circuits 1: 36,48 zł 956In Stock 5 400On Order End of Life	Mfr. Part No. LAA110 Mouser Part No 849-LAA110 End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 120MA DPST 8-DIP Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	956In Stock 5 400On Order On Order Ship Dates Mfr. No: LAA110 Stock: 956 Can Dispatch Immediately On Order: 2 800 Expected 7/15/2027 1 050 Expected 7/19/2027 1 550 Expected 7/23/2027 Factory Lead Time: 36 Weeks	36,48 zł 33,44 zł 30,67 zł 29,30 zł View 27,98 zł 26,36 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole LAA110L IXYS Integrated Circuits 1: 35,55 zł 94In Stock End of Life	Mfr. Part No. LAA110L Mouser Part No 849-LAA110L 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	94In Stock	35,55 zł 31,72 zł 30,27 zł 29,22 zł View 26,71 zł 25,61 zł 24,82 zł 24,24 zł Quote	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP LAA110S IXYS Integrated Circuits 1: 34,76 zł 1 861In Stock 100Expected 7/12/2027 End of Life	Mfr. Part No. LAA110S Mouser Part No 849-LAA110S 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	1 861In Stock 100Expected 7/12/2027	34,76 zł 30,98 zł 29,61 zł 28,51 zł View 27,54 zł 26,09 zł 26,00 zł Quote	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 350V 170mA Dual Single-Pole LAA125LS IXYS Integrated Circuits 1: 40,13 zł 83In Stock End of Life	Mfr. Part No. LAA125LS Mouser Part No 849-LAA125LS 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	83In Stock	40,13 zł 37,62 zł 33,44 zł 31,77 zł View 30,10 zł 27,54 zł 26,62 zł 25,70 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 250V 200mA Dual Single-Pole LAA127LS IXYS Integrated Circuits 1: 47,52 zł 90In Stock End of Life	Mfr. Part No. LAA127LS Mouser Part No 849-LAA127LS 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	90In Stock	47,52 zł 42,24 zł 40,13 zł 38,02 zł View 36,17 zł 34,54 zł 33,40 zł 32,21 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 250V 200mA Dual Single-Pole LAA127STR IXYS Integrated Circuits 1: 43,74 zł 442In Stock End of Life	Mfr. Part No. LAA127STR Mouser Part No 849-LAA127STR 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	442In Stock	Cut Tape 43,74 zł 38,98 zł 37,22 zł 35,95 zł View Reel 31,33 zł 34,63 zł 33,04 zł 32,30 zł 31,33 zł MouseReel Available	Min.: 1 Mult.: 1 : 1 000
Solid State Relays - PCB Mount SPST-NO 6PIN DIP LCA110 IXYS Integrated Circuits 1: 18,30 zł 937In Stock 17 250On Order End of Life	Mfr. Part No. LCA110 Mouser Part No 849-LCA110 End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount SPST-NO 6PIN DIP Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	937In Stock 17 250On Order On Order Ship Dates Mfr. No: LCA110 Stock: 937 Can Dispatch Immediately On Order: 9 350 Expected 2/19/2027 7 900 Expected 4/21/2027 Factory Lead Time: 36 Weeks	18,30 zł 16,32 zł 15,58 zł 15,05 zł View 14,52 zł 13,90 zł 13,38 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount SPST-NO 6PIN DIP LCA120 IXYS Integrated Circuits 1: 24,86 zł 1 019In Stock 2 150Expected 7/5/2027 End of Life	Mfr. Part No. LCA120 Mouser Part No 849-LCA120 End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount SPST-NO 6PIN DIP Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	1 019In Stock 2 150Expected 7/5/2027	24,86 zł 23,32 zł 20,72 zł 19,67 zł View 18,66 zł 17,69 zł 17,07 zł 16,50 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount Single-Pole Relay 250V 170mA LCA120LS IXYS Integrated Circuits 1: 25,12 zł 84In Stock End of Life	Mfr. Part No. LCA120LS Mouser Part No 849-LCA120LS 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	84In Stock	25,12 zł 23,58 zł 20,94 zł 19,89 zł View 17,34 zł 16,94 zł 16,59 zł 16,28 zł 16,19 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount SPST-NO 6PIN SMT LCA120S IXYS Integrated Circuits 1: 23,67 zł 53In Stock End of Life	Mfr. Part No. LCA120S Mouser Part No 849-LCA120S End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount SPST-NO 6PIN SMT Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	53In Stock	23,67 zł 21,12 zł 20,15 zł 19,45 zł View 17,73 zł 17,42 zł 17,12 zł 16,81 zł 16,72 zł	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount Single-Pole Relay 250V 170mA LCA120STR IXYS Integrated Circuits 1: 22,84 zł 1 433In Stock 2 000Expected 8/4/2027 End of Life	Mfr. Part No. LCA120STR Mouser Part No 849-LCA120STR 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	1 433In Stock 2 000Expected 8/4/2027	Cut Tape 22,84 zł 20,37 zł 19,45 zł 18,79 zł Reel 16,06 zł View 18,13 zł 17,25 zł 16,63 zł 15,53 zł MouseReel Available	Min.: 1 Mult.: 1 : 1 000