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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 SPST i4-PAC 600V

CPC1977J
IXYS Integrated Circuits
1: 220,13 kr
808In Stock
425Expected 2026-10-16

Mfr. Part No.
CPC1977J

Mouser Part No
849-CPC1977J

IXYS Integrated Circuits

Solid State Relays - PCB Mount SPST i4-PAC 600V

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Datasheet

808In Stock

425Expected 2026-10-16

220,13 kr

197,27 kr

187,27 kr

180,79 kr

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Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 1000V Single Pole SIP Power Relay

CPC1981Y
IXYS Integrated Circuits
1: 68,58 kr
2 833In Stock

Mfr. Part No.
CPC1981Y

Mouser Part No
849-CPC1981Y

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1000V Single Pole SIP Power Relay

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Datasheet

2 833In Stock

68,58 kr

66,60 kr

63,52 kr

61,32 kr

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Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 100V 300mA Double Pole Relay

LAA108STR
IXYS Integrated Circuits
1: 48,14 kr
1 248In Stock
2 000Expected 2027-05-03

Mfr. Part No.
LAA108STR

Mouser Part No
849-LAA108STR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 100V 300mA Double Pole Relay

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Datasheet

1 248In Stock

2 000Expected 2027-05-03

Cut Tape

48,14 kr

42,86 kr

40,88 kr

39,45 kr

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Reel

34,07 kr

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

Solid State Relays - PCB Mount 120MA DPST 8-DIP

LAA110
IXYS Integrated Circuits
1: 86,82 kr
1 063In Stock
4 700On Order

Mfr. Part No.
LAA110

Mouser Part No
849-LAA110

IXYS Integrated Circuits

Solid State Relays - PCB Mount 120MA DPST 8-DIP

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Datasheet

1 063In Stock

4 700On Order

86,82 kr

77,37 kr

73,96 kr

71,33 kr

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Min.: 1
Mult.: 1

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

LAA110LSTR
IXYS Integrated Circuits
1: 84,84 kr
598In Stock

Mfr. Part No.
LAA110LSTR

Mouser Part No
849-LAA110LSTR

IXYS Integrated Circuits

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

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Datasheet

598In Stock

Cut Tape

84,84 kr

75,72 kr

72,31 kr

69,79 kr

Reel

59,46 kr

View

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP

LAA110S
IXYS Integrated Circuits
1: 86,82 kr
2 373In Stock
100Expected 2027-03-29

Mfr. Part No.
LAA110S

Mouser Part No
849-LAA110S

IXYS Integrated Circuits

Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP

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Datasheet

2 373In Stock

100Expected 2027-03-29

86,82 kr

77,37 kr

73,96 kr

71,22 kr

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Min.: 1
Mult.: 1

Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP

LAA710
IXYS Integrated Circuits
1: 182,76 kr
748In Stock

Mfr. Part No.
LAA710

Mouser Part No
849-LAA710

IXYS Integrated Circuits

Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP

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Datasheet

748In Stock

182,76 kr

173,97 kr

165,29 kr

156,50 kr

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Min.: 1
Mult.: 1

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

LCA110
IXYS Integrated Circuits
1: 37,04 kr
3 980In Stock
17 250On Order

Mfr. Part No.
LCA110

Mouser Part No
849-LCA110

IXYS Integrated Circuits

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

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Datasheet

3 980In Stock

17 250On Order

37,04 kr

32,97 kr

30,77 kr

28,68 kr

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Min.: 1
Mult.: 1

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

LCA110L
IXYS Integrated Circuits
1: 39,45 kr
1 406In Stock

Mfr. Part No.
LCA110L

Mouser Part No
849-LCA110L

IXYS Integrated Circuits

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

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Datasheet

1 406In Stock

39,45 kr

36,16 kr

34,73 kr

33,41 kr

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Min.: 1
Mult.: 1

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

LCA120
IXYS Integrated Circuits
1: 58,69 kr
2 471In Stock

Mfr. Part No.
LCA120

Mouser Part No
849-LCA120

IXYS Integrated Circuits

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

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Datasheet

2 471In Stock

58,69 kr

52,31 kr

51,87 kr

49,24 kr

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Min.: 1
Mult.: 1

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

LCA120STR
IXYS Integrated Circuits
1: 57,04 kr
2 046In Stock

Mfr. Part No.
LCA120STR

Mouser Part No
849-LCA120STR

IXYS Integrated Circuits

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

Learn More

Datasheet

2 046In Stock

Cut Tape

57,04 kr

50,88 kr

48,58 kr

46,93 kr

Reel

40,11 kr

View

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

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

LCA127
IXYS Integrated Circuits
1: 67,48 kr
2 043In Stock

Mfr. Part No.
LCA127

Mouser Part No
849-LCA127

IXYS Integrated Circuits

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

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Datasheet

2 043In Stock

67,48 kr

60,12 kr

57,48 kr

55,39 kr

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Min.: 1
Mult.: 1

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

LCA127STR
IXYS Integrated Circuits
1: 65,39 kr
1 429In Stock

Mfr. Part No.
LCA127STR

Mouser Part No
849-LCA127STR

IXYS Integrated Circuits

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

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Datasheet

1 429In Stock

Cut Tape

65,39 kr

58,36 kr

55,72 kr

53,74 kr

Reel

45,94 kr

View

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

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

LCA182S
IXYS Integrated Circuits
1: 48,80 kr
817In Stock

Mfr. Part No.
LCA182S

Mouser Part No
849-LCA182S

IXYS Integrated Circuits

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

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Datasheet

817In Stock

48,80 kr

36,38 kr

35,17 kr

34,07 kr

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Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 1-Form-A SSR

LCA701
IXYS Integrated Circuits
1: 105,94 kr
547In Stock

Mfr. Part No.
LCA701

Mouser Part No
849-LCA701

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A SSR

Learn More

Datasheet

547In Stock

105,94 kr

94,40 kr

90,12 kr

86,93 kr

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 1-Form-A 60V 2200mA SSR w/optic MOSFET

LCA715
IXYS Integrated Circuits
1: 109,46 kr
518In Stock

Mfr. Part No.
LCA715

Mouser Part No
849-LCA715

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A 60V 2200mA SSR w/optic MOSFET

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Datasheet

518In Stock

109,46 kr

97,59 kr

93,09 kr

89,13 kr

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 1-Form 30V 2000 mA Solid State Relay

LCA717STR
IXYS Integrated Circuits
1: 90,12 kr
1 207In Stock

Mfr. Part No.
LCA717STR

Mouser Part No
849-LCA717STR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form 30V 2000 mA Solid State Relay

Learn More

Datasheet

1 207In Stock

Cut Tape

90,12 kr

80,34 kr

76,71 kr

74,07 kr

View

Reel

62,09 kr

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP

PAA132
IXYS Integrated Circuits
1: 159,46 kr
269In Stock

Mfr. Part No.
PAA132

Mouser Part No
849-PAA132

IXYS Integrated Circuits

Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP

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Datasheet

269In Stock

159,46 kr

141,77 kr

134,74 kr

127,48 kr

View

Min.: 1
Mult.: 1

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

PAA132S
IXYS Integrated Circuits
1: 150,89 kr
1 256In Stock

Mfr. Part No.
PAA132S

Mouser Part No
849-PAA132S

IXYS Integrated Circuits

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

Learn More

Datasheet

1 256In Stock

150,89 kr

134,41 kr

128,36 kr

123,86 kr

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Min.: 1
Mult.: 1

Solid State Relays - PCB Mount Dual 1-Form-A 250V 250mA SSR

PAA150S
IXYS Integrated Circuits
1: 137,48 kr
267In Stock

Mfr. Part No.
PAA150S

Mouser Part No
849-PAA150S

IXYS Integrated Circuits

Solid State Relays - PCB Mount Dual 1-Form-A 250V 250mA SSR

Learn More

Datasheet

267In Stock

137,48 kr

122,21 kr

116,16 kr

110,01 kr

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Min.: 1
Mult.: 1

Solid State Relays - PCB Mount Single-Pole Relay 400V 150mA

PLA110STR
IXYS Integrated Circuits
1: 73,30 kr
336In Stock
3 000Expected 2027-05-26

Mfr. Part No.
PLA110STR

Mouser Part No
849-PLA110STR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 400V 150mA

Learn More

Datasheet

336In Stock

3 000Expected 2027-05-26

Cut Tape

73,30 kr

68,58 kr

61,10 kr

57,92 kr

View

Reel

47,04 kr

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

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

PLA140LSTR
IXYS Integrated Circuits
1: 85,83 kr
1 999In Stock

Mfr. Part No.
PLA140LSTR

Mouser Part No
849-PLA140LSTR

IXYS Integrated Circuits

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

Learn More

Datasheet

1 999In Stock

Cut Tape

85,83 kr

76,60 kr

73,08 kr

70,56 kr

Reel

61,87 kr

View

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

Solid State Relays - PCB Mount Single Pole 1-Form-A, 250V,250mA

PLA150STR
IXYS Integrated Circuits
1: 79,13 kr
1 589In Stock

Mfr. Part No.
PLA150STR

Mouser Part No
849-PLA150STR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single Pole 1-Form-A, 250V,250mA

Learn More

Datasheet

1 589In Stock

Cut Tape

79,13 kr

70,56 kr

67,26 kr

65,06 kr

Reel

57,04 kr

View

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

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

PLA160STR
IXYS Integrated Circuits
1: 78,03 kr
844In Stock

Mfr. Part No.
PLA160STR

Mouser Part No
849-PLA160STR

IXYS Integrated Circuits

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

Learn More

Datasheet

844In Stock

Cut Tape

78,03 kr

69,68 kr

66,49 kr

64,18 kr

View

Reel

54,95 kr

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

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

PLA170
IXYS Integrated Circuits
1: 63,30 kr
570In Stock

Mfr. Part No.
PLA170

Mouser Part No
849-PLA170

IXYS Integrated Circuits

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

Learn More

Datasheet

570In Stock

63,30 kr

56,38 kr

53,96 kr

51,98 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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