Optocouplers/Photocouplers – Mouser Slovakia

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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 600V 90mA Single OptoMOS Relay CPC1393GRTR IXYS Integrated Circuits 1: 4,06 € 433In Stock 14.000On Order End of Life	Mfr. Part No. CPC1393GRTR Mouser Part No 849-CPC1393GRTR 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	433In Stock 14.000On Order On Order Ship Dates Mfr. No: CPC1393GRTR Stock: 433 Can Dispatch Immediately On Order: 4.000 Expected 12/21/2026 10.000 Expected 2/15/2027 Factory Lead Time: 36 Weeks	Cut Tape 4,06 € 3,99 € 3,90 € Reel 2,81 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCB Mount	DIP-4	MOSFET
Solid State Relays - PCB Mount 1-Form-A; 600V,120mA 5000Vrms Isolation CPC1394GR IXYS Integrated Circuits 1: 4,09 € 67In Stock 600Expected 12/14/2026 End of Life	Mfr. Part No. CPC1394GR Mouser Part No 849-CPC1394GR 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	67In Stock 600Expected 12/14/2026	4,09 € 3,65 € 3,48 € 3,43 € View 3,25 € 3,07 € 3,05 €	Min.: 1 Mult.: 1	PCB Mount	SMD DIP-4	MOSFET
Solid State Relays - PCB Mount 1-Form-A 250V 200mA Solid State Relay CPC1510G IXYS Integrated Circuits 1: 5,86 € 268In Stock End of Life	Mfr. Part No. CPC1510G Mouser Part No 849-CPC1510G End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 1-Form-A 250V 200mA Solid State Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	268In Stock	5,86 € 5,22 € 4,99 € 4,81 € View 4,64 € 4,42 € 4,27 € 4,06 € 4,04 €	Min.: 1 Mult.: 1	PCB Mount	DIP-6	MOSFET
Solid State Relays - PCB Mount 1-Form-A 250V 200mA Solid State Relay CPC1510GSTR IXYS Integrated Circuits 1: 5,69 € 10In Stock 9.000Expected 1/22/2027 End of Life	Mfr. Part No. CPC1510GSTR Mouser Part No 849-CPC1510GSTR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 1-Form-A 250V 200mA Solid State Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	10In Stock 9.000Expected 1/22/2027	Cut Tape 5,69 € 5,15 € 4,82 € 4,64 € View Reel 4,30 € 4,45 € 4,30 € 4,30 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCB Mount	SMD DIP-6	MOSFET
Solid State Relays - PCB Mount SP, Normally-Open OptoMOS Relay CPC1540GSTR IXYS Integrated Circuits 1: 5,09 € 9In Stock End of Life	Mfr. Part No. CPC1540GSTR Mouser Part No 849-CPC1540GSTR 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	9In Stock	Cut Tape 5,09 € 4,55 € 4,28 € 4,10 € Reel 3,48 € View 3,93 € 3,74 € 3,61 € 3,25 €	Min.: 1 Mult.: 1 : 1.000	PCB Mount		MOSFET
Solid State Relays - PCB Mount 1-Form-A 60V 600mA Solid State Relay CPC1560GSTR IXYS Integrated Circuits 1: 6,80 € 250In Stock End of Life	Mfr. Part No. CPC1560GSTR Mouser Part No 849-CPC1560GSTR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 1-Form-A 60V 600mA Solid State Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	250In Stock	Cut Tape 6,80 € 6,47 € 6,34 € Reel 4,48 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCB Mount		MOSFET
Solid State Relays - PCB Mount DC Only Single Pole i4-PAC CPC1709J IXYS Integrated Circuits 1: 16,23 € 13In Stock 3.100On Order End of Life	Mfr. Part No. CPC1709J Mouser Part No 849-CPC1709J End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount DC Only Single Pole i4-PAC Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	13In Stock 3.100On Order On Order Ship Dates Mfr. No: CPC1709J Stock: 13 Can Dispatch Immediately On Order: 1.350 Expected 3/4/2027 1.750 Expected 7/5/2027 Factory Lead Time: 36 Weeks	16,23 € 14,46 € 13,80 € 13,33 € 12,87 €	Min.: 1 Mult.: 1	PCB Mount	i4-PAC	MOSFET
Solid State Relays - PCB Mount DC Only Single Pole i4-PAC CPC1786J IXYS Integrated Circuits 1: 23,60 € 43In Stock 75Expected 1/14/2028 End of Life	Mfr. Part No. CPC1786J Mouser Part No 849-CPC1786J End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount DC Only Single Pole i4-PAC Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	43In Stock 75Expected 1/14/2028	23,60 € 21,92 € 21,35 € 18,89 € View 18,62 € 18,42 € Quote	Min.: 1 Mult.: 1	PCB Mount	i4-PAC	MOSFET
Solid State Relays - PCB Mount 100V Single Pole SIP Power Relay CPC1916Y IXYS Integrated Circuits 1: 12,09 € 37In Stock 800Expected 11/20/2026 End of Life	Mfr. Part No. CPC1916Y Mouser Part No 849-CPC1916Y End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 100V Single Pole SIP Power Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	37In Stock 800Expected 11/20/2026	12,09 € 10,78 € 10,29 € 9,93 € 9,60 €	Min.: 1 Mult.: 1	PCB Mount	ISOPLUS264	MOSFET
Solid State Relays - PCB Mount 600V, 0.5mA AC Power Switch CPC1963G IXYS Integrated Circuits 1: 10,45 € 162In Stock End of Life	Mfr. Part No. CPC1963G Mouser Part No 849-CPC1963G 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	162In Stock	10,45 € 9,31 € 8,89 € 8,57 € View 8,26 € 7,89 € 7,35 € 7,28 € Quote	Min.: 1 Mult.: 1	PCB Mount		SCR
Solid State Relays - PCB Mount 400V Single Pole 400V Power Relay CPC1967J IXYS Integrated Circuits 1: 35,16 € 6In Stock 400On Order End of Life	Mfr. Part No. CPC1967J Mouser Part No 849-CPC1967J End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 400V Single Pole 400V Power Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	6In Stock 400On Order On Order Ship Dates Mfr. No: CPC1967J Stock: 6 Can Dispatch Immediately On Order: 75 Expected 6/7/2027 325 Expected 6/23/2027 Factory Lead Time: 57 Weeks	35,16 € 31,08 € 29,59 € 28,30 €	Min.: 1 Mult.: 1	PCB Mount		MOSFET
Triac & SCR Output Optocouplers 400V Single Pole SIP Power Relay CPC1973Y IXYS Integrated Circuits 1: 8,82 € 150In Stock End of Life	Mfr. Part No. CPC1973Y Mouser Part No 849-CPC1973Y End of Life	IXYS Integrated Circuits	Triac & SCR Output Optocouplers 400V Single Pole SIP Power Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	150In Stock	8,82 € 7,25 € 6,48 € 5,90 € 5,81 €	Min.: 1 Mult.: 1	Through Hole	Power SIP
Solid State Relays - PCB Mount SPST-NO 4PIN SOP CPC1978J IXYS Integrated Circuits 1: 21,91 € 9In Stock 875On Order End of Life	Mfr. Part No. CPC1978J Mouser Part No 849-CPC1978J End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount SPST-NO 4PIN SOP Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	9In Stock 875On Order On Order Ship Dates Mfr. No: CPC1978J Stock: 9 Can Dispatch Immediately On Order: 175 Expected 11/18/2026 375 Expected 3/31/2027 325 Expected 5/6/2027 Factory Lead Time: 46 Weeks	21,91 € 19,50 € 18,62 € 17,98 €	Min.: 1 Mult.: 1	PCB Mount	ISOPLUS264	MOSFET
Solid State Relays - PCB Mount RELAY, SS ICS CPC1983YE IXYS Integrated Circuits 1: 9,58 € 8In Stock 19.550On Order End of Life	Mfr. Part No. CPC1983YE Mouser Part No 849-CPC1983YE End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount RELAY, SS ICS Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	8In Stock 19.550On Order On Order Ship Dates Mfr. No: CPC1983YE Stock: 8 Can Dispatch Immediately On Order: 7.700 Expected 11/18/2026 11.850 Expected 1/18/2027 Factory Lead Time: 37 Weeks	9,58 € 8,76 € 8,06 € 7,74 € View 7,47 € 7,14 €	Min.: 1 Mult.: 1	PCB Mount	SIP-4	MOSFET
Solid State Relays - PCB Mount 100V 300mA Double Pole Relay LAA108 IXYS Integrated Circuits 1: 4,58 € 321In Stock End of Life	Mfr. Part No. LAA108 Mouser Part No 849-LAA108 End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 100V 300mA Double Pole Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	321In Stock	4,58 € 4,09 € 3,90 € 3,76 € View 3,61 € 3,45 € 3,33 € 3,10 € 3,04 €	Min.: 1 Mult.: 1	PCB Mount	DIP-8	MOSFET
Solid State Relays - PCB Mount 100V 300mA Double Pole Relay LAA108S IXYS Integrated Circuits 1: 4,58 € 3In Stock End of Life	Mfr. Part No. LAA108S Mouser Part No 849-LAA108S End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 100V 300mA Double Pole Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	3In Stock	4,58 € 4,09 € 3,90 € 3,76 € View 3,59 € 3,06 € 3,05 €	Min.: 1 Mult.: 1	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount 100V 300mA Double Pole Relay LAA108STR IXYS Integrated Circuits 1: 4,48 € 92In Stock 7.000On Order End of Life	Mfr. Part No. LAA108STR Mouser Part No 849-LAA108STR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 100V 300mA Double Pole Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	92In Stock 7.000On Order On Order Ship Dates Mfr. No: LAA108STR Stock: 92 Can Dispatch Immediately On Order: 2.000 Expected 3/31/2027 5.000 Expected 5/18/2027 Factory Lead Time: 36 Weeks	Cut Tape 4,48 € 4,09 € 3,77 € 3,61 € View Reel 3,10 € 3,46 € 3,30 € 3,19 € 3,10 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole LAA110LS IXYS Integrated Circuits 1: 7,67 € 6In Stock End of Life	Mfr. Part No. LAA110LS Mouser Part No 849-LAA110LS 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	6In Stock	7,67 € 7,05 € 6,88 € 5,67 € View 5,33 € 5,19 €	Min.: 1 Mult.: 1	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount 250V 170mA Dual Single-Pole LAA120 IXYS Integrated Circuits 1: 8,39 € 156In Stock End of Life	Mfr. Part No. LAA120 Mouser Part No 849-LAA120 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	156In Stock	8,39 € 7,86 € 6,98 € 6,63 € View 6,28 € 4,95 €	Min.: 1 Mult.: 1	PCB Mount	DIP-8	MOSFET
Solid State Relays - PCB Mount 250V 170mA Dual Single-Pole LAA120S IXYS Integrated Circuits 1: 8,18 € 3In Stock End of Life	Mfr. Part No. LAA120S Mouser Part No 849-LAA120S 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	3In Stock	8,18 € 7,29 € 6,97 € 6,67 € View 5,81 € 5,69 € 5,60 € 5,56 €	Min.: 1 Mult.: 1	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount DUAL POLE LAA125 IXYS Integrated Circuits 1: 7,71 € 150In Stock End of Life	Mfr. Part No. LAA125 Mouser Part No 849-LAA125 End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount DUAL POLE Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	150In Stock	7,71 € 6,88 € 6,57 € 6,34 € View 6,11 € 5,43 € 5,33 € 5,23 €	Min.: 1 Mult.: 1	PCB Mount	DIP-8	MOSFET
Solid State Relays - PCB Mount 350V 170mA Dual Single-Pole LAA125S IXYS Integrated Circuits 1: 7,71 € 87In Stock End of Life	Mfr. Part No. LAA125S Mouser Part No 849-LAA125S 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	87In Stock	7,71 € 6,88 € 6,57 € 6,34 € View 6,11 € 5,46 € 5,34 € 5,23 €	Min.: 1 Mult.: 1	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount 250V 200mA Dual Single-Pole LAA127S IXYS Integrated Circuits 1: 10,92 € 48In Stock End of Life	Mfr. Part No. LAA127S Mouser Part No 849-LAA127S 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	48In Stock	10,92 € 9,72 € 9,26 € 8,85 € View 8,49 € 7,61 € 7,51 € 7,40 € Quote	Min.: 1 Mult.: 1	PCB Mount	SMD DIP-8	MOSFET
Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP LAA710 IXYS Integrated Circuits 1: 16,63 € 11In Stock 700Expected 5/17/2027 End of Life	Mfr. Part No. LAA710 Mouser Part No 849-LAA710 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	11In Stock 700Expected 5/17/2027	16,63 € 14,82 € 14,16 € 13,66 € View 13,19 € 12,13 € 11,72 € 11,57 € Quote	Min.: 1 Mult.: 1	PCB Mount	DIP-8	MOSFET
Solid State Relays - PCB Mount 60V 1000mA Dual Single-Pole LAA710STR IXYS Integrated Circuits 1: 16,91 € 138In Stock 2.988Expected 10/26/2026 End of Life	Mfr. Part No. LAA710STR Mouser Part No 849-LAA710STR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 60V 1000mA Dual Single-Pole Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	138In Stock 2.988Expected 10/26/2026	Cut Tape 16,91 € 15,04 € 14,33 € 13,71 € View Reel 10,91 € 13,09 € 12,36 € 11,94 € 10,91 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCB Mount	SMD DIP-8	MOSFET

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

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