Optocouplers/Photocouplers – Mouser Switzerland

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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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Types of Optocouplers/Photocouplers

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Results: 297

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Part #

Solid State Relays - PCB Mount Single-Pole Relay 300V 50mA

PLA160STR
IXYS Integrated Circuits
1: 6.65 CHF
844In Stock

Mfr. Part No.
PLA160STR

Mouser Part No
849-PLA160STR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 300V 50mA

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Datasheet

844In Stock

Cut Tape

6.65 CHF

5.93 CHF

5.66 CHF

5.47 CHF

View

Reel

4.68 CHF

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

PCB Mount

MOSFET

Solid State Relays - PCB Mount Single-Pole Relay 800V 100mA

PLA170
IXYS Integrated Circuits
1: 5.39 CHF
570In Stock

Mfr. Part No.
PLA170

Mouser Part No
849-PLA170

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 800V 100mA

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Datasheet

570In Stock

5.39 CHF

4.80 CHF

4.60 CHF

4.43 CHF

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Min.: 1
Mult.: 1

PCB Mount

DIP-6

MOSFET

Solid State Relays - PCB Mount Single Pole 800V, 100mA SSR

PLA171P
IXYS Integrated Circuits
1: 5.59 CHF
1 131In Stock

Mfr. Part No.
PLA171P

Mouser Part No
849-PLA171P

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single Pole 800V, 100mA SSR

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Datasheet

1 131In Stock

5.59 CHF

5.12 CHF

5.08 CHF

4.90 CHF

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Min.: 1
Mult.: 1

PCB Mount

SMD DIP-8

MOSFET

Solid State Relays - PCB Mount 800V Normally-Open 6-Pin OptoMOS Relay

PLA172PTR
IXYS Integrated Circuits
1: 7.80 CHF
429In Stock

Mfr. Part No.
PLA172PTR

Mouser Part No
849-PLA172PTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 800V Normally-Open 6-Pin OptoMOS Relay

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Datasheet

429In Stock

Cut Tape

7.80 CHF

6.95 CHF

6.65 CHF

6.41 CHF

Reel

5.48 CHF

View

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

PCB Mount

SMD DIP-6

MOSFET

Solid State Relays - PCB Mount Single-Pole Relay 400V 250mA

PLA191S
IXYS Integrated Circuits
1: 7.66 CHF
731In Stock

Mfr. Part No.
PLA191S

Mouser Part No
849-PLA191S

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 400V 250mA

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Datasheet

731In Stock

7.66 CHF

6.81 CHF

6.51 CHF

6.29 CHF

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Min.: 1
Mult.: 1

PCB Mount

SMD DIP-6

MOSFET

Solid State Relays - PCB Mount Single-Pole Relay 600V 150mA

PLA192STR
IXYS Integrated Circuits
1: 5.45 CHF
1 981In Stock

Mfr. Part No.
PLA192STR

Mouser Part No
849-PLA192STR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 600V 150mA

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Datasheet

1 981In Stock

Cut Tape

5.45 CHF

4.86 CHF

4.63 CHF

4.47 CHF

Reel

3.93 CHF

View

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

PCB Mount

SMD DIP-6

MOSFET

Solid State Relays - PCB Mount Single-Pole Relay 600V 100mA

PLA193STR
IXYS Integrated Circuits
1: 4.94 CHF
1 719In Stock
2 000Expected 18/11/2026

Mfr. Part No.
PLA193STR

Mouser Part No
849-PLA193STR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 600V 100mA

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Datasheet

1 719In Stock

2 000Expected 18/11/2026

Cut Tape

4.94 CHF

4.40 CHF

4.21 CHF

4.06 CHF

Reel

3.57 CHF

View

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

PCB Mount

SMD DIP-6

MOSFET

Solid State Relays - PCB Mount RELAY, SS ICS

CPC1511Y
IXYS Integrated Circuits
1: 9.37 CHF
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
CPC1511Y

Mouser Part No
576-CPC1511Y

IXYS Integrated Circuits

Solid State Relays - PCB Mount RELAY, SS ICS

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Datasheet

Non-Stocked Lead-Time 23 Weeks

9.37 CHF

8.78 CHF

7.80 CHF

7.00 CHF

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Min.: 1
Mult.: 1

PCB Mount

SIP-4

MOSFET

Solid State Relays - PCB Mount Single Pole Relay 400V 140mA

CPC1390G
IXYS Integrated Circuits
1: 3.51 CHF
523In Stock
600Expected 25/01/2027

Mfr. Part No.
CPC1390G

Mouser Part No
849-CPC1390G

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single Pole Relay 400V 140mA

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Datasheet

523In Stock

600Expected 25/01/2027

3.51 CHF

3.14 CHF

2.99 CHF

2.88 CHF

View

Min.: 1
Mult.: 1

PCB Mount

DIP-4

MOSFET

Solid State Relays - PCB Mount Single Pole Relay 400V 140mA

CPC1390GRTR
IXYS Integrated Circuits
1: 3.35 CHF
57In Stock
11 000Expected 14/12/2026

Mfr. Part No.
CPC1390GRTR

Mouser Part No
849-CPC1390GRTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single Pole Relay 400V 140mA

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Datasheet

57In Stock

11 000Expected 14/12/2026

Cut Tape

3.35 CHF

3.00 CHF

2.85 CHF

2.74 CHF

Reel

2.35 CHF

View

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

PCB Mount

SMD DIP-4

MOSFET

Solid State Relays - PCB Mount 600V 90mA Single OptoMOS Relay

CPC1393GRTR
IXYS Integrated Circuits
1: 3.65 CHF
52In Stock
14 000On Order

Mfr. Part No.
CPC1393GRTR

Mouser Part No
849-CPC1393GRTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 600V 90mA Single OptoMOS Relay

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Datasheet

52In Stock

14 000On Order

Cut Tape

3.65 CHF

3.26 CHF

3.12 CHF

3.00 CHF

View

Reel

2.56 CHF

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: 3.62 CHF
71In Stock
600Expected 14/12/2026

Mfr. Part No.
CPC1394GR

Mouser Part No
849-CPC1394GR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A; 600V,120mA 5000Vrms Isolation

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Datasheet

71In Stock

600Expected 14/12/2026

3.62 CHF

3.34 CHF

3.21 CHF

3.10 CHF

View

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: 5.48 CHF
268In Stock

Mfr. Part No.
CPC1510G

Mouser Part No
849-CPC1510G

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A 250V 200mA Solid State Relay

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Datasheet

268In Stock

5.48 CHF

4.89 CHF

4.67 CHF

4.50 CHF

View

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: 5.40 CHF
292In Stock
9 000Expected 22/01/2027

Mfr. Part No.
CPC1510GSTR

Mouser Part No
849-CPC1510GSTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A 250V 200mA Solid State Relay

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Datasheet

292In Stock

9 000Expected 22/01/2027

Cut Tape

5.40 CHF

4.94 CHF

4.55 CHF

4.35 CHF

View

Reel

3.75 CHF

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

PCB Mount

SMD DIP-6

MOSFET

Solid State Relays - PCB Mount SP, Normally-Open OptoMOS Relay

CPC1540GS
IXYS Integrated Circuits
1: 4.98 CHF
280In Stock
2 950Expected 09/11/2026

Mfr. Part No.
CPC1540GS

Mouser Part No
849-CPC1540GS

IXYS Integrated Circuits

Solid State Relays - PCB Mount SP, Normally-Open OptoMOS Relay

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Datasheet

280In Stock

2 950Expected 09/11/2026

4.98 CHF

4.87 CHF

Min.: 1
Mult.: 1

PCB Mount

SMD DIP-6

MOSFET

Solid State Relays - PCB Mount SP, Normally-Open OptoMOS Relay

CPC1540GSTR
IXYS Integrated Circuits
1: 4.75 CHF
9In Stock

Mfr. Part No.
CPC1540GSTR

Mouser Part No
849-CPC1540GSTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount SP, Normally-Open OptoMOS Relay

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Datasheet

9In Stock

Cut Tape

4.75 CHF

4.02 CHF

3.84 CHF

3.71 CHF

Reel

3.03 CHF

View

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: 6.33 CHF
31In Stock

Mfr. Part No.
CPC1560GSTR

Mouser Part No
849-CPC1560GSTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A 60V 600mA Solid State Relay

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Datasheet

31In Stock

Cut Tape

6.33 CHF

5.78 CHF

5.35 CHF

5.10 CHF

View

Reel

4.24 CHF

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

PCB Mount

MOSFET

Solid State Relays - PCB Mount DC Only Single Pole i4-PAC

CPC1786J
IXYS Integrated Circuits
1: 22.09 CHF
43In Stock
75Expected 08/10/2026

Mfr. Part No.
CPC1786J

Mouser Part No
849-CPC1786J

IXYS Integrated Circuits

Solid State Relays - PCB Mount DC Only Single Pole i4-PAC

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Datasheet

43In Stock

75Expected 08/10/2026

22.09 CHF

19.75 CHF

18.85 CHF

18.20 CHF

View

Min.: 1
Mult.: 1

PCB Mount

i4-PAC

MOSFET

Triac & SCR Output Optocouplers 400V, 1mA AC Solid State Relay

CPC1945G
IXYS Integrated Circuits
1: 7.63 CHF
105In Stock

Mfr. Part No.
CPC1945G

Mouser Part No
849-CPC1945G

IXYS Integrated Circuits

Triac & SCR Output Optocouplers 400V, 1mA AC Solid State Relay

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Datasheet

105In Stock

7.63 CHF

5.68 CHF

4.97 CHF

4.23 CHF

View

Min.: 1
Mult.: 1

Through Hole

DIP-16

Solid State Relays - PCB Mount 600V, 0.5mA AC Power Switch

CPC1963G
IXYS Integrated Circuits
1: 10.15 CHF
162In Stock

Mfr. Part No.
CPC1963G

Mouser Part No
849-CPC1963G

IXYS Integrated Circuits

Solid State Relays - PCB Mount 600V, 0.5mA AC Power Switch

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Datasheet

162In Stock

10.15 CHF

9.02 CHF

8.57 CHF

8.19 CHF

View

Min.: 1
Mult.: 1

PCB Mount

SCR

Solid State Relays - PCB Mount 400V Single Pole 400V Power Relay

CPC1967J
IXYS Integrated Circuits
1: 32.91 CHF
6In Stock
400On Order

Mfr. Part No.
CPC1967J

Mouser Part No
849-CPC1967J

IXYS Integrated Circuits

Solid State Relays - PCB Mount 400V Single Pole 400V Power Relay

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Datasheet

6In Stock

400On Order

32.91 CHF

29.16 CHF

27.76 CHF

26.49 CHF

Min.: 1
Mult.: 1

PCB Mount

MOSFET

Triac & SCR Output Optocouplers 400V Single Pole SIP Power Relay

CPC1973Y
IXYS Integrated Circuits
1: 8.26 CHF
90In Stock
100Expected 01/09/2026

Mfr. Part No.
CPC1973Y

Mouser Part No
849-CPC1973Y

IXYS Integrated Circuits

Triac & SCR Output Optocouplers 400V Single Pole SIP Power Relay

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Datasheet

90In Stock

100Expected 01/09/2026

8.26 CHF

6.79 CHF

5.78 CHF

5.67 CHF

Min.: 1
Mult.: 1

Through Hole

Power SIP

Solid State Relays - PCB Mount SPST-NO 4PIN SOP

CPC1978J
IXYS Integrated Circuits
1: 20.50 CHF
9In Stock
875On Order

Mfr. Part No.
CPC1978J

Mouser Part No
849-CPC1978J

IXYS Integrated Circuits

Solid State Relays - PCB Mount SPST-NO 4PIN SOP

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Datasheet

9In Stock

875On Order

20.50 CHF

18.55 CHF

17.64 CHF

16.83 CHF

Min.: 1
Mult.: 1

PCB Mount

ISOPLUS264

MOSFET

Solid State Relays - PCB Mount 1-Form-A; 600V,0.5A 2500Vrms Isolation

CPC1983Y
IXYS Integrated Circuits
1: 8.64 CHF
4 135On Order

Mfr. Part No.
CPC1983Y

Mouser Part No
849-CPC1983Y

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A; 600V,0.5A 2500Vrms Isolation

Learn More

Datasheet

4 135On Order

8.64 CHF

8.47 CHF

7.27 CHF

6.95 CHF

View

Min.: 1
Mult.: 1

PCB Mount

SIP-4

MOSFET

Solid State Relays - PCB Mount RELAY, SS ICS

CPC1983YE
IXYS Integrated Circuits
1: 8.31 CHF
8In Stock
19 550On Order

Mfr. Part No.
CPC1983YE

Mouser Part No
849-CPC1983YE

IXYS Integrated Circuits

Solid State Relays - PCB Mount RELAY, SS ICS

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Datasheet

8In Stock

19 550On Order

8.31 CHF

7.41 CHF

7.07 CHF

6.82 CHF

View

Min.: 1
Mult.: 1

PCB Mount

SIP-4

MOSFET

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

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