Solid State Relays - PCB Mount

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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 Single-Pole Relay 400V 250mA

PLA140LS
IXYS Integrated Circuits
1: 61,02 kr.
17In Stock

Mfr. Part No.
PLA140LS

Mouser Part No
849-PLA140LS

IXYS Integrated Circuits

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

Learn More

Datasheet

17In Stock

61,02 kr.

54,31 kr.

51,92 kr.

50,13 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

250 mA

400 VDC

1 Form A (SPST-NO)

900 mVDC to 1.5 VDC

SMD DIP-6

MOSFET

50 mA

- 40 C

+ 85 C

8.382 mm (0.33 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

PLA140

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

PLA160S
IXYS Integrated Circuits
1: 61,32 kr.
174In Stock

Mfr. Part No.
PLA160S

Mouser Part No
849-PLA160S

IXYS Integrated Circuits

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

Learn More

Datasheet

174In Stock

61,32 kr.

Min.: 1
Mult.: 1

Tube

PCB Mount

50 mA

300 VDC

1 Form A (SPST-NO)

1.8 VDC to 2.8 VDC

SMD DIP-6

MOSFET

50 mA

- 40 C

+ 85 C

8.382 mm (0.33 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

PLA160

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

PLA170S
IXYS Integrated Circuits
1: 45,80 kr.
322In Stock
1.250On Order

Mfr. Part No.
PLA170S

Mouser Part No
849-PLA170S

IXYS Integrated Circuits

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

Learn More

Datasheet

322In Stock

1.250On Order

45,80 kr.

42,90 kr.

38,20 kr.

36,18 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

180 mA

800 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

SMD DIP-6

MOSFET

50 mA

- 40 C

+ 85 C

8.382 mm (0.33 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

PLA170

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

PLA193
IXYS Integrated Circuits
1: 41,25 kr.
51In Stock

Mfr. Part No.
PLA193

Mouser Part No
849-PLA193

IXYS Integrated Circuits

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

Learn More

Datasheet

51In Stock

41,25 kr.

36,78 kr.

36,48 kr.

34,61 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

100 mA

600 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

DIP-6

MOSFET

50 mA

- 40 C

+ 85 C

8.382 mm (0.33 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

PLA193

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

CPC1393GV
IXYS Integrated Circuits
1: 30,51 kr.
52In Stock

Mfr. Part No.
CPC1393GV

Mouser Part No
849-CPC1393GV

IXYS Integrated Circuits

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

Learn More

Datasheet

52In Stock

30,51 kr.

27,23 kr.

25,96 kr.

25,07 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

90 mA

600 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

DIP-4

MOSFET

50 mA

- 40 C

+ 85 C

6.35 mm (0.25 in)

4.572 mm (0.18 in)

3.3 mm (0.13 in)

CPC1393

Solid State Relays - PCB Mount Dual 1-Form-A 400V 250mA SSR

PAA140LS
IXYS Integrated Circuits
1: 97,35 kr.
41In Stock

Mfr. Part No.
PAA140LS

Mouser Part No
849-PAA140LS

IXYS Integrated Circuits

Solid State Relays - PCB Mount Dual 1-Form-A 400V 250mA SSR

Learn More

Datasheet

41In Stock

97,35 kr.

86,83 kr.

82,88 kr.

79,97 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

250 mA

400 VDC

2 Form A (DPST-NO)

900 mVDC to 1.4 VDC

SMD DIP-8

MOSFET

50 mA

9.652 mm (0.38 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

PAA140

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

PLA191
IXYS Integrated Circuits
1: 60,65 kr.
24In Stock

Mfr. Part No.
PLA191

Mouser Part No
849-PLA191

IXYS Integrated Circuits

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

Learn More

Datasheet

24In Stock

60,65 kr.

54,09 kr.

51,62 kr.

49,76 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

250 mA

400 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

DIP-6

MOSFET

50 mA

- 40 C

+ 85 C

8.382 mm (0.33 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

PLA191

Solid State Relays - PCB Mount 1-Form-A 60V 700mA Solid State Relay

CPC1002NTR
IXYS Integrated Circuits
1: 16,26 kr.
229.800On Order

Mfr. Part No.
CPC1002NTR

Mouser Part No
849-CPC1002NTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A 60V 700mA Solid State Relay

Learn More

Datasheet

229.800On Order

Cut Tape

16,26 kr.

15,59 kr.

14,92 kr.

14,25 kr.

Reel

11,56 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Reel, Cut Tape, MouseReel

PCB Mount

700 mA

60 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

SOP-4

MOSFET

50 mA

- 40 C

+ 85 C

4.089 mm (0.161 in)

3.81 mm (0.15 in)

2.184 mm (0.086 in)

CPC1002

Solid State Relays - PCB Mount 1-Form-A 100V 300mA Solid State Relay

CPC1004NTR
IXYS Integrated Circuits
1: 22,45 kr.
8.635On Order

Mfr. Part No.
CPC1004NTR

Mouser Part No
849-CPC1004NTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A 100V 300mA Solid State Relay

Learn More

Datasheet

8.635On Order

Cut Tape

22,45 kr.

19,99 kr.

19,10 kr.

18,35 kr.

View

Reel

15,29 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Reel, Cut Tape, MouseReel

PCB Mount

300 mA

100 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

SOP-4

MOSFET

50 mA

- 40 C

+ 110 C

4.089 mm (0.161 in)

3.81 mm (0.15 in)

2.184 mm (0.086 in)

CPC1004

Solid State Relays - PCB Mount Dual 1-Form-A 100V 150mA SSR

CPC1009N
IXYS Integrated Circuits
1: 20,37 kr.
8.644On Order

Mfr. Part No.
CPC1009N

Mouser Part No
849-CPC1009N

IXYS Integrated Circuits

Solid State Relays - PCB Mount Dual 1-Form-A 100V 150mA SSR

Learn More

Datasheet

8.644On Order

20,37 kr.

18,13 kr.

17,31 kr.

16,71 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

150 mA

100 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

SOP-4

MOSFET

50 mA

- 40 C

+ 85 C

4.089 mm (0.161 in)

3.81 mm (0.15 in)

2.184 mm (0.086 in)

CPC1009

Solid State Relays - PCB Mount RELAY OPTO NSOIC4 30V 1.2A

CPC1020N
IXYS Integrated Circuits
1: 33,50 kr.
36.595On Order

Mfr. Part No.
CPC1020N

Mouser Part No
849-CPC1020N

IXYS Integrated Circuits

Solid State Relays - PCB Mount RELAY OPTO NSOIC4 30V 1.2A

Learn More

Datasheet

36.595On Order

33,50 kr.

30,81 kr.

28,27 kr.

27,23 kr.

26,86 kr.

Min.: 1
Mult.: 1

Tube

PCB Mount

1.2 A

30 VDC

1 Form A (SPST-NO)

900 mVDC to 1.5 VDC

SOP-4

MOSFET

50 mA

- 40 C

+ 85 C

4.089 mm (0.161 in)

3.81 mm (0.15 in)

2.03 mm (0.08 in)

CPC1020

Solid State Relays - PCB Mount AC Switch 3A, 600V

CPC1966Y
IXYS Integrated Circuits
1: 55,20 kr.
8.990On Order

Mfr. Part No.
CPC1966Y

Mouser Part No
849-CPC1966Y

IXYS Integrated Circuits

Solid State Relays - PCB Mount AC Switch 3A, 600V

Learn More

Datasheet

8.990On Order

55,20 kr.

49,16 kr.

42,82 kr.

41,48 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

3 A

20 VAC to 240 VAC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

SIP-4

SCR

50 mA

- 40 C

+ 85 C

21.082 mm (0.83 in)

3.302 mm (0.13 in)

10.16 mm (0.4 in)

CPC1966

Solid State Relays - PCB Mount SPST iso PLUS-264

CPC1979J
IXYS Integrated Circuits
1: 237,82 kr.
5.100On Order

Mfr. Part No.
CPC1979J

Mouser Part No
849-CPC1979J

IXYS Integrated Circuits

Solid State Relays - PCB Mount SPST iso PLUS-264

Learn More

Datasheet

5.100On Order

237,82 kr.

221,56 kr.

211,04 kr.

203,96 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

1.4 A

600 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

ISOPLUS264

MOSFET

100 mA

- 40 C

+ 85 C

19.914 mm (0.784 in)

5.029 mm (0.198 in)

26.162 mm (1.03 in)

CPC1979

Solid State Relays - PCB Mount Dual 1-Form-A 400V 250mA SSR

PAA140S
IXYS Integrated Circuits
1: 96,08 kr.
3.000On Order

Mfr. Part No.
PAA140S

Mouser Part No
849-PAA140S

IXYS Integrated Circuits

Solid State Relays - PCB Mount Dual 1-Form-A 400V 250mA SSR

Learn More

Datasheet

3.000On Order

96,08 kr.

85,57 kr.

81,76 kr.

78,93 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

250 mA

400 VDC

2 Form A (DPST-NO)

900 mVDC to 1.4 VDC

SMD DIP-8

MOSFET

50 mA

- 40 C

+ 85 C

9.652 mm (0.38 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

PAA140

Solid State Relays - PCB Mount Dual 1-Form-A 400V 250mA SSR

PAA140STR
IXYS Integrated Circuits
1: 91,76 kr.
4.000Expected 13/11/2026

Mfr. Part No.
PAA140STR

Mouser Part No
849-PAA140STR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Dual 1-Form-A 400V 250mA SSR

Learn More

Datasheet

4.000Expected 13/11/2026

Cut Tape

91,76 kr.

81,84 kr.

78,11 kr.

75,42 kr.

View

Reel

60,28 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Reel, Cut Tape, MouseReel

PCB Mount

250 mA

400 VDC

2 Form A (DPST-NO)

900 mVDC to 1.4 VDC

SMD DIP-8

MOSFET

50 mA

- 40 C

+ 85 C

9.652 mm (0.38 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

PAA140

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

PAA150STR
IXYS Integrated Circuits
1: 85,04 kr.
1.948Expected 26/10/2026

Mfr. Part No.
PAA150STR

Mouser Part No
849-PAA150STR

IXYS Integrated Circuits

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

Learn More

Datasheet

1.948Expected 26/10/2026

Cut Tape

85,04 kr.

75,87 kr.

72,44 kr.

69,90 kr.

View

Reel

56,47 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Reel, Cut Tape, MouseReel

PCB Mount

250 mA

250 VDC

2 Form A (DPST-NO)

900 mVDC to 1.4 VDC

SMD DIP-8

MOSFET

50 mA

- 40 C

+ 85 C

9.652 mm (0.38 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

PAA150

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

PLA110
IXYS Integrated Circuits
1: 47,89 kr.
4.141Expected 22/02/2027

Mfr. Part No.
PLA110

Mouser Part No
849-PLA110

IXYS Integrated Circuits

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

Learn More

Datasheet

4.141Expected 22/02/2027

47,89 kr.

42,67 kr.

40,73 kr.

39,31 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

150 mA

400 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

DIP-6

MOSFET

50 mA

- 40 C

+ 85 C

8.382 mm (0.33 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

PLA110

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

PLA140STR
IXYS Integrated Circuits
1: 56,99 kr.
9.000Expected 08/02/2027

Mfr. Part No.
PLA140STR

Mouser Part No
849-PLA140STR

IXYS Integrated Circuits

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

Learn More

Datasheet

9.000Expected 08/02/2027

Cut Tape

56,99 kr.

50,73 kr.

48,49 kr.

46,85 kr.

Reel

40,13 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Reel, Cut Tape, MouseReel

PCB Mount

250 mA

400 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

SMD DIP-6

MOSFET

50 mA

- 40 C

+ 85 C

8.382 mm (0.33 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

PLA140

Solid State Relays - PCB Mount 1-Form-A 400V 120mA Solid State Relay

CPC1225NTR
IXYS Integrated Circuits
1: 22,68 kr.
5.930On Order

Mfr. Part No.
CPC1225NTR

Mouser Part No
849-CPC1225NTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A 400V 120mA Solid State Relay

Learn More

Datasheet

5.930On Order

Cut Tape

22,68 kr.

20,22 kr.

19,32 kr.

18,58 kr.

View

Reel

15,82 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Reel, Cut Tape, MouseReel

PCB Mount

120 mA

400 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

SOP-4

MOSFET

50 mA

- 40 C

+ 85 C

4.089 mm (0.161 in)

3.81 mm (0.15 in)

2.184 mm (0.086 in)

CPC1225

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

CPC1390GR
IXYS Integrated Circuits
1: 27,98 kr.
600Expected 25/09/2026

Mfr. Part No.
CPC1390GR

Mouser Part No
849-CPC1390GR

IXYS Integrated Circuits

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

Learn More

Datasheet

600Expected 25/09/2026

27,98 kr.

24,99 kr.

23,80 kr.

22,98 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

140 mA

400 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

SMD DIP-4

MOSFET

50 mA

- 40 C

+ 85 C

6.35 mm (0.25 in)

4.572 mm (0.18 in)

3.3 mm (0.13 in)

CPC1390

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

CPC1394G
IXYS Integrated Circuits
1: 30,51 kr.
500Expected 07/06/2027

Mfr. Part No.
CPC1394G

Mouser Part No
849-CPC1394G

IXYS Integrated Circuits

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

Learn More

Datasheet

500Expected 07/06/2027

30,51 kr.

27,23 kr.

25,96 kr.

25,07 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

120 mA

600 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

DIP-4

MOSFET

50 mA

- 40 C

+ 85 C

6.35 mm (0.25 in)

4.572 mm (0.18 in)

3.3 mm (0.13 in)

CPC1394

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

CPC1510GS
IXYS Integrated Circuits
1: 45,13 kr.
1.782Expected 16/10/2026

Mfr. Part No.
CPC1510GS

Mouser Part No
849-CPC1510GS

IXYS Integrated Circuits

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

Learn More

Datasheet

1.782Expected 16/10/2026

45,13 kr.

40,43 kr.

37,30 kr.

35,96 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

200 mA

250 VDC

1 Form A (SPST-NO)

1.15 VDC to 1.5 VDC

SMD DIP-6

MOSFET

50 mA

- 40 C

+ 85 C

8.382 mm (0.33 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

CPC1510

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

CPC1563GS
IXYS Integrated Circuits
1: 41,48 kr.
1.100Expected 01/01/2027

Mfr. Part No.
CPC1563GS

Mouser Part No
849-CPC1563GS

IXYS Integrated Circuits

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

Learn More

Datasheet

1.100Expected 01/01/2027

41,48 kr.

37,00 kr.

35,36 kr.

33,79 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

120 mA

600 VDC

1 Form A (SPST-NO)

900 mVDC to 1.5 VDC

SMD DIP-6

MOSFET

50 mA

- 40 C

+ 85 C

8.382 mm (0.33 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

CPC1563

Solid State Relays - PCB Mount 1-Form-A 600V 6-Pin SM T/R

CPC1593GSTR
IXYS Integrated Circuits
1: 39,99 kr.
1.752Expected 13/01/2027

Mfr. Part No.
CPC1593GSTR

Mouser Part No
849-CPC1593GSTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A 600V 6-Pin SM T/R

Learn More

Datasheet

1.752Expected 13/01/2027

Cut Tape

39,99 kr.

35,58 kr.

34,02 kr.

32,82 kr.

Reel

28,20 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Reel, Cut Tape, MouseReel

PCB Mount

120 mA

600 VDC

1 Form A (SPST-NO)

SMD DIP-6

MOSFET

- 40 C

+ 85 C

8.382 mm (0.33 in)

6.35 mm (0.25 in)

3.302 mm (0.13 in)

CPC1593

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

CPC1779J
IXYS Integrated Circuits
1: 174,86 kr.
100Expected 28/08/2026

Mfr. Part No.
CPC1779J

Mouser Part No
849-CPC1779J

IXYS Integrated Circuits

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

Learn More

Datasheet

100Expected 28/08/2026

174,86 kr.

157,41 kr.

150,17 kr.

144,65 kr.

View

Min.: 1
Mult.: 1

Tube

PCB Mount

1.65 A

600 VDC

1 Form A (SPST-NO)

900 mVDC to 1.4 VDC

i4-PAC

MOSFET

100 mA

- 40 C

+ 85 C

19.914 mm (0.784 in)

5.029 mm (0.198 in)

26.162 mm (1.03 in)

CPC1779

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

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50 mA
75 mA
90 mA
100 mA
120 mA
130 mA
140 mA
150 mA
170 mA
180 mA
200 mA
250 mA
300 mA
400 mA
450 mA
500 mA
600 mA
650 mA
700 mA
750 mA

CPC10
CPC1002
CPC1004
CPC1006
CPC1008
CPC1009
CPC1014
CPC1016
CPC1017
CPC1018
CPC1019
CPC1020
CPC1025
CPC1030
CPC1035
CPC1225
CPC1230
CPC1330
CPC1390
CPC1393