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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.

All Results (297)

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Part #

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

PLA171P
IXYS Integrated Circuits
1: $6.25
1,545In 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

1,545In Stock

$6.25

$5.71

$5.34

$5.14

View

Min.: 1
Mult.: 1

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

CPC1030N
IXYS Integrated Circuits
1: $3.94
4,852In Stock

Mfr. Part No.
CPC1030N

Mouser Part No
849-CPC1030N

IXYS Integrated Circuits

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

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Datasheet

4,852In Stock

$3.94

$3.51

$3.36

$3.22

View

Min.: 1
Mult.: 1

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

CPC1708J
IXYS Integrated Circuits
1: $15.83
564In Stock

Mfr. Part No.
CPC1708J

Mouser Part No
849-CPC1708J

IXYS Integrated Circuits

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

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Datasheet

564In Stock

$15.83

$14.13

$12.36

$12.10

$11.79

Min.: 1
Mult.: 1

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

LCA127
IXYS Integrated Circuits
1: $7.14
2,777In 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

2,777In Stock

$7.14

$5.94

$5.56

$5.36

View

Min.: 1
Mult.: 1

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

LCA712
IXYS Integrated Circuits
1: $11.10
851In Stock

Mfr. Part No.
LCA712

Mouser Part No
849-LCA712

IXYS Integrated Circuits

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

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Datasheet

851In Stock

$11.10

$9.89

$9.45

$9.11

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount Dual 1-Form-A 400V 150mA SSR

PAA110STR
IXYS Integrated Circuits
1: $13.11
1,609In Stock

Mfr. Part No.
PAA110STR

Mouser Part No
849-PAA110STR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Dual 1-Form-A 400V 150mA SSR

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Datasheet

1,609In Stock

Cut Tape

$13.11

$11.66

$11.13

$10.75

View

Reel

$8.79

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Solid State Relays - PCB Mount Single-Pole Relay 60V 600mA

PLA132S
IXYS Integrated Circuits
1: $8.45
326In Stock

Mfr. Part No.
PLA132S

Mouser Part No
849-PLA132S

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 60V 600mA

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Datasheet

326In Stock

$8.45

$7.87

$7.38

$7.12

View

Min.: 1
Mult.: 1

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

CPC1330G
IXYS Integrated Circuits
1: $3.91
39In Stock
500On Order

Mfr. Part No.
CPC1330G

Mouser Part No
849-CPC1330G

IXYS Integrated Circuits

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

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Datasheet

39In Stock

500On Order

$3.91

$3.67

$3.26

$3.21

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount RELAY, SS ICS

CPC1561BTR
IXYS Integrated Circuits
1: $11.35
193In Stock
1,000Expected 09/10/2026

Mfr. Part No.
CPC1561BTR

Mouser Part No
849-CPC1561BTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount RELAY, SS ICS

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Datasheet

193In Stock

1,000Expected 09/10/2026

Cut Tape

$11.35

$10.64

$9.46

$8.99

View

Reel

$7.24

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Triac & SCR Output Optocouplers 250V Single Pole SIP Power Relay

CPC1972GS
IXYS Integrated Circuits
1: $2.93
489In Stock

Mfr. Part No.
CPC1972GS

Mouser Part No
849-CPC1972GS

IXYS Integrated Circuits

Triac & SCR Output Optocouplers 250V Single Pole SIP Power Relay

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Datasheet

489In Stock

$2.93

$2.41

$2.21

$1.94

View

Min.: 1
Mult.: 1

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

LAA108S
IXYS Integrated Circuits
1: $5.32
274In Stock

Mfr. Part No.
LAA108S

Mouser Part No
849-LAA108S

IXYS Integrated Circuits

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

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Datasheet

274In Stock

$5.32

$4.75

$4.53

$4.37

View

Min.: 1
Mult.: 1

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

OAA160
IXYS Integrated Circuits
1: $10.77
95In Stock

Mfr. Part No.
OAA160

Mouser Part No
849-OAA160

IXYS Integrated Circuits

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

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Datasheet

95In Stock

$10.77

$9.81

$9.44

$9.31

View

Min.: 1
Mult.: 1

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

PLA143S
IXYS Integrated Circuits
1: $6.59
244In Stock

Mfr. Part No.
PLA143S

Mouser Part No
849-PLA143S

IXYS Integrated Circuits

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

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Datasheet

244In Stock

$6.59

$6.12

$5.74

$5.53

View

Min.: 1
Mult.: 1

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

PLA193S
IXYS Integrated Circuits
1: $6.43
294In Stock

Mfr. Part No.
PLA193S

Mouser Part No
849-PLA193S

IXYS Integrated Circuits

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

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Datasheet

294In Stock

$6.43

$5.73

$5.47

$5.28

View

Min.: 1
Mult.: 1

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

LAA125S
IXYS Integrated Circuits
1: $8.04
159In Stock

Mfr. Part No.
LAA125S

Mouser Part No
849-LAA125S

IXYS Integrated Circuits

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

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Datasheet

159In Stock

$8.04

$7.50

$7.03

$6.79

View

Min.: 1
Mult.: 1

Triac & SCR Output Optocouplers 250V Single Pole SIP Power Relay

CPC1972G
IXYS Integrated Circuits
1: $2.93
424In Stock

Mfr. Part No.
CPC1972G

Mouser Part No
849-CPC1972G

IXYS Integrated Circuits

Triac & SCR Output Optocouplers 250V Single Pole SIP Power Relay

Learn More

Datasheet

424In Stock

$2.93

$2.29

$2.00

$1.91

$1.90

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount Single 1-Form-A 250V 50mA relay

OMA160
IXYS Integrated Circuits
1: $6.65
234In Stock

Mfr. Part No.
OMA160

Mouser Part No
849-OMA160

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single 1-Form-A 250V 50mA relay

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Datasheet

234In Stock

$6.65

$5.48

$5.11

$4.94

View

Min.: 1
Mult.: 1

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

PLA172P
IXYS Integrated Circuits
1: $10.15
128In Stock

Mfr. Part No.
PLA172P

Mouser Part No
849-PLA172P

IXYS Integrated Circuits

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

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Datasheet

128In Stock

$10.15

$9.04

$8.64

$7.72

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount Dual 1-Form-A 250V 50mA SSR

OAA160STR
IXYS Integrated Circuits
1: $10.89
1,032In Stock

Mfr. Part No.
OAA160STR

Mouser Part No
849-OAA160STR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Dual 1-Form-A 250V 50mA SSR

Learn More

Datasheet

1,032In Stock

Cut Tape

$10.89

$10.01

$9.68

$9.38

View

Reel

$7.98

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

PAA191
IXYS Integrated Circuits
1: $14.61
96In Stock

Mfr. Part No.
PAA191

Mouser Part No
849-PAA191

IXYS Integrated Circuits

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

Learn More

Datasheet

96In Stock

$14.61

$13.01

$12.42

$12.00

View

Min.: 1
Mult.: 1

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

PLA143STR
IXYS Integrated Circuits
1: $6.36
318In Stock

Mfr. Part No.
PLA143STR

Mouser Part No
849-PLA143STR

IXYS Integrated Circuits

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

Learn More

Datasheet

318In Stock

Cut Tape

$6.36

$6.13

$5.73

$5.57

Reel

$4.60

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

CPC1560G
IXYS Integrated Circuits
1: $7.72
248In Stock

Mfr. Part No.
CPC1560G

Mouser Part No
849-CPC1560G

IXYS Integrated Circuits

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

Learn More

Datasheet

248In Stock

$7.72

$6.88

$6.57

$6.33

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 1-Form-A 60V 400mA Solid State Relay

CPC1014NTR
IXYS Integrated Circuits
1: $3.03
40,364In Stock
38,000Expected 21/09/2026

Mfr. Part No.
CPC1014NTR

Mouser Part No
849-CPC1014NTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A 60V 400mA Solid State Relay

Learn More

Datasheet

40,364In Stock

38,000Expected 21/09/2026

Cut Tape

$3.03

$2.71

$2.57

$2.49

Reel

$2.00

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Solid State Relays - PCB Mount SPNO RELAY

CPC1017N
IXYS Integrated Circuits
1: $0.86
310,510In Stock

Mfr. Part No.
CPC1017N

Mouser Part No
849-CPC1017N

IXYS Integrated Circuits

Solid State Relays - PCB Mount SPNO RELAY

Learn More

Datasheet

310,510In Stock

$0.86

$0.769

$0.74

$0.591

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 1-Form-A 60V 100mA Solid State Relay

CPC1017NTR
IXYS Integrated Circuits
1: $1.93
70,708In Stock

Mfr. Part No.
CPC1017NTR

Mouser Part No
849-CPC1017NTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A 60V 100mA Solid State Relay

Learn More

Datasheet

70,708In Stock

Cut Tape

$1.93

$1.73

$1.65

$1.59

Reel

$1.28

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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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