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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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Part #

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

CPC1540GS
IXYS Integrated Circuits
1: 39,69 kr.
29In 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

29In Stock

2.950Expected 09/11/2026

39,69 kr.

38,79 kr.

Min.: 1
Mult.: 1

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

CPC1540GSTR
IXYS Integrated Circuits
1: 37,82 kr.
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

37,82 kr.

32,00 kr.

30,59 kr.

29,54 kr.

Reel

24,17 kr.

View

Min.: 1
Mult.: 1

: 1.000

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

CPC1560GSTR
IXYS Integrated Circuits
1: 49,01 kr.
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

49,01 kr.

44,83 kr.

41,25 kr.

39,54 kr.

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Reel

33,42 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

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

CPC1786J
IXYS Integrated Circuits
1: 176,65 kr.
43In Stock
75Expected 23/06/2027

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 23/06/2027

176,65 kr.

160,46 kr.

152,56 kr.

145,10 kr.

Min.: 1
Mult.: 1

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

CPC1945G
IXYS Integrated Circuits
1: 60,80 kr.
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

60,80 kr.

45,28 kr.

39,61 kr.

33,72 kr.

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Min.: 1
Mult.: 1

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

CPC1967J
IXYS Integrated Circuits
1: 262,29 kr.
6In Stock
400Expected 07/06/2027

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

400Expected 07/06/2027

262,29 kr.

232,38 kr.

221,26 kr.

211,12 kr.

Min.: 1
Mult.: 1

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

CPC1973Y
IXYS Integrated Circuits
1: 65,80 kr.
90In Stock

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

65,80 kr.

54,09 kr.

47,07 kr.

45,21 kr.

Min.: 1
Mult.: 1

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

CPC1978J
IXYS Integrated Circuits
1: 163,37 kr.
57In Stock
550On 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

57In Stock

550On Order

163,37 kr.

147,86 kr.

140,62 kr.

134,13 kr.

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount SP-NO SS OptoMOS Power Relay

CPC1983B
IXYS Integrated Circuits
1: 67,36 kr.
50In Stock
100Expected 02/09/2026

Mfr. Part No.
CPC1983B

Mouser Part No
849-CPC1983B

IXYS Integrated Circuits

Solid State Relays - PCB Mount SP-NO SS OptoMOS Power Relay

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Datasheet

50In Stock

100Expected 02/09/2026

67,36 kr.

60,05 kr.

57,29 kr.

55,28 kr.

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Min.: 1
Mult.: 1

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

CPC1983Y
IXYS Integrated Circuits
1: 68,86 kr.
22In Stock
5.250On 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

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Datasheet

22In Stock

5.250On Order

68,86 kr.

67,51 kr.

57,96 kr.

55,43 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount RELAY, SS ICS

CPC1983YE
IXYS Integrated Circuits
1: 66,24 kr.
22In 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

22In Stock

19.550On Order

66,24 kr.

59,08 kr.

56,32 kr.

54,38 kr.

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Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole

LAA110L
IXYS Integrated Circuits
1: 60,28 kr.
96In Stock

Mfr. Part No.
LAA110L

Mouser Part No
849-LAA110L

IXYS Integrated Circuits

Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole

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Datasheet

96In Stock

60,28 kr.

53,79 kr.

51,32 kr.

49,53 kr.

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Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole

LAA110LS
IXYS Integrated Circuits
1: 57,22 kr.
6In Stock

Mfr. Part No.
LAA110LS

Mouser Part No
849-LAA110LS

IXYS Integrated Circuits

Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole

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Datasheet

6In Stock

57,22 kr.

52,59 kr.

51,32 kr.

42,30 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 250V 170mA Dual Single-Pole

LAA120
IXYS Integrated Circuits
1: 62,59 kr.
156In Stock

Mfr. Part No.
LAA120

Mouser Part No
849-LAA120

IXYS Integrated Circuits

Solid State Relays - PCB Mount 250V 170mA Dual Single-Pole

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Datasheet

156In Stock

62,59 kr.

58,64 kr.

52,07 kr.

49,46 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 250V 170mA Dual Single-Pole

LAA120S
IXYS Integrated Circuits
1: 57,52 kr.
3In Stock

Mfr. Part No.
LAA120S

Mouser Part No
849-LAA120S

IXYS Integrated Circuits

Solid State Relays - PCB Mount 250V 170mA Dual Single-Pole

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Datasheet

3In Stock

57,52 kr.

51,32 kr.

49,01 kr.

47,30 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount DUAL POLE

LAA125
IXYS Integrated Circuits
1: 57,52 kr.
150In Stock

Mfr. Part No.
LAA125

Mouser Part No
849-LAA125

IXYS Integrated Circuits

Solid State Relays - PCB Mount DUAL POLE

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Datasheet

150In Stock

57,52 kr.

51,32 kr.

49,01 kr.

47,30 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 350V 170mA Dual Single-Pole

LAA125LS
IXYS Integrated Circuits
1: 68,11 kr.
83In Stock

Mfr. Part No.
LAA125LS

Mouser Part No
849-LAA125LS

IXYS Integrated Circuits

Solid State Relays - PCB Mount 350V 170mA Dual Single-Pole

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Datasheet

83In Stock

68,11 kr.

63,86 kr.

56,77 kr.

53,86 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 250V 200mA Dual Single-Pole

LAA127LS
IXYS Integrated Circuits
1: 80,64 kr.
90In Stock

Mfr. Part No.
LAA127LS

Mouser Part No
849-LAA127LS

IXYS Integrated Circuits

Solid State Relays - PCB Mount 250V 200mA Dual Single-Pole

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Datasheet

90In Stock

80,64 kr.

71,69 kr.

68,04 kr.

65,13 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA

LCA110LS
IXYS Integrated Circuits
1: 28,80 kr.
30In Stock

Mfr. Part No.
LCA110LS

Mouser Part No
849-LCA110LS

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA

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Datasheet

30In Stock

28,80 kr.

25,66 kr.

24,54 kr.

23,57 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount Single-Pole Relay 250V 170mA

LCA120L
IXYS Integrated Circuits
1: 39,84 kr.
90In Stock

Mfr. Part No.
LCA120L

Mouser Part No
849-LCA120L

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 250V 170mA

Learn More

Datasheet

90In Stock

39,84 kr.

35,51 kr.

33,94 kr.

32,75 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount Single-Pole Relay 250V 170mA

LCA120LS
IXYS Integrated Circuits
1: 42,60 kr.
84In Stock

Mfr. Part No.
LCA120LS

Mouser Part No
849-LCA120LS

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 250V 170mA

Learn More

Datasheet

84In Stock

42,60 kr.

39,99 kr.

35,51 kr.

33,72 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount SPST-NO 6PIN SMT

LCA120S
IXYS Integrated Circuits
1: 40,13 kr.
67In Stock

Mfr. Part No.
LCA120S

Mouser Part No
849-LCA120S

IXYS Integrated Circuits

Solid State Relays - PCB Mount SPST-NO 6PIN SMT

Learn More

Datasheet

67In Stock

40,13 kr.

35,81 kr.

34,17 kr.

32,97 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount Single-Pole Relay 250V 200mA

LCA127LS
IXYS Integrated Circuits
1: 47,52 kr.
14In Stock

Mfr. Part No.
LCA127LS

Mouser Part No
849-LCA127LS

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 250V 200mA

Learn More

Datasheet

14In Stock

47,52 kr.

42,37 kr.

40,51 kr.

39,02 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount Single-Pole Relay 250V 200mA

LCA127S
IXYS Integrated Circuits
1: 46,55 kr.
93In Stock

Mfr. Part No.
LCA127S

Mouser Part No
849-LCA127S

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 250V 200mA

Learn More

Datasheet

93In Stock

46,55 kr.

41,48 kr.

39,61 kr.

38,20 kr.

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount SPST-NO 6PIN DIP

LCA182
IXYS Integrated Circuits
1: 34,24 kr.
150In Stock

Mfr. Part No.
LCA182

Mouser Part No
849-LCA182

IXYS Integrated Circuits

Solid State Relays - PCB Mount SPST-NO 6PIN DIP

Learn More

Datasheet

150In Stock

34,24 kr.

32,15 kr.

28,57 kr.

27,45 kr.

View

Min.: 1
Mult.: 1

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

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

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