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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 250V 200mA Dual Single-Pole

LAA127S
IXYS Integrated Circuits
1: £8.04
298In Stock

Mfr. Part No.
LAA127S

Mouser Part No
849-LAA127S

IXYS Integrated Circuits

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

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Datasheet

298In Stock

£8.04

£7.34

£7.05

£6.83

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Min.: 1
Mult.: 1

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

LAA110LSTR
IXYS Integrated Circuits
1: £5.67
698In 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

698In Stock

Cut Tape

£5.67

£5.47

£5.30

£5.22

View

Reel

£4.13

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

LCA120STR
IXYS Integrated Circuits
1: £4.20
2,910In Stock

Mfr. Part No.
LCA120STR

Mouser Part No
849-LCA120STR

IXYS Integrated Circuits

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

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Datasheet

2,910In Stock

Cut Tape

£4.20

£3.94

£3.71

£3.60

Reel

£2.94

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

PAA110S
IXYS Integrated Circuits
1: £10.31
241In Stock

Mfr. Part No.
PAA110S

Mouser Part No
849-PAA110S

IXYS Integrated Circuits

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

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Datasheet

241In Stock

£10.31

£9.18

£8.76

£7.75

View

Min.: 1
Mult.: 1

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

PAA150S
IXYS Integrated Circuits
1: £10.68
347In 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

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Datasheet

347In Stock

£10.68

£9.50

£9.05

£8.63

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Min.: 1
Mult.: 1

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

PLA150STR
IXYS Integrated Circuits
1: £5.70
1,749In 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

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Datasheet

1,749In Stock

Cut Tape

£5.70

£5.26

£5.09

£4.98

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Reel

£4.00

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

CPC1330G
IXYS Integrated Circuits
1: £2.93
439In Stock
100Expected 02/12/2026

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

439In Stock

100Expected 02/12/2026

£2.93

£2.76

£2.44

£2.41

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Min.: 1
Mult.: 1

Solid State Relays - PCB Mount RELAY, SS ICS

CPC1561BTR
IXYS Integrated Circuits
1: £8.52
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

£8.52

£7.99

£7.11

£6.75

View

Reel

£5.44

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

LAA108S
IXYS Integrated Circuits
1: £4.00
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

£4.00

£3.57

£3.40

£3.28

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Min.: 1
Mult.: 1

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

OAA160
IXYS Integrated Circuits
1: £8.08
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

£8.08

£7.37

£7.09

£6.99

View

Min.: 1
Mult.: 1

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

PLA143S
IXYS Integrated Circuits
1: £4.95
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

£4.95

£4.59

£4.31

£4.16

View

Min.: 1
Mult.: 1

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

PLA193S
IXYS Integrated Circuits
1: £4.83
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

£4.83

£4.30

£4.10

£3.96

View

Min.: 1
Mult.: 1

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

OAA160STR
IXYS Integrated Circuits
1: £8.18
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

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Datasheet

1,032In Stock

Cut Tape

£8.18

£7.52

£7.26

£7.05

View

Reel

£5.99

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

PAA191
IXYS Integrated Circuits
1: £10.96
96In Stock

Mfr. Part No.
PAA191

Mouser Part No
849-PAA191

IXYS Integrated Circuits

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

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Datasheet

96In Stock

£10.96

£9.77

£9.32

£9.01

View

Min.: 1
Mult.: 1

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

PLA143STR
IXYS Integrated Circuits
1: £4.78
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

£4.78

£4.60

£4.30

£4.18

Reel

£3.46

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

CPC1972G
IXYS Integrated Circuits
1: £2.26
424In Stock

Mfr. Part No.
CPC1972G

Mouser Part No
849-CPC1972G

IXYS Integrated Circuits

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

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Datasheet

424In Stock

£2.26

Min.: 1
Mult.: 1

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

OMA160
IXYS Integrated Circuits
1: £4.99
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

£4.99

£3.87

£3.28

Min.: 1
Mult.: 1

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

PLA172P
IXYS Integrated Circuits
1: £7.62
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

£7.62

£6.78

£6.49

£5.66

View

Min.: 1
Mult.: 1

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

LAA125S
IXYS Integrated Circuits
1: £6.03
159In Stock

Mfr. Part No.
LAA125S

Mouser Part No
849-LAA125S

IXYS Integrated Circuits

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

Learn More

Datasheet

159In Stock

£6.03

£5.63

£5.28

£5.10

View

Min.: 1
Mult.: 1

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

CPC1972GS
IXYS Integrated Circuits
1: £2.20
489In Stock

Mfr. Part No.
CPC1972GS

Mouser Part No
849-CPC1972GS

IXYS Integrated Circuits

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

Learn More

Datasheet

489In Stock

£2.20

£1.81

£1.66

£1.46

View

Min.: 1
Mult.: 1

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

CPC1560G
IXYS Integrated Circuits
1: £5.80
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

£5.80

£5.17

£4.93

£4.75

View

Min.: 1
Mult.: 1

Solid State Relays - PCB Mount 1-Form-A SSR 4-Pin SOP

CPC1006NTR
IXYS Integrated Circuits
1: £1.73
38,112In Stock

Mfr. Part No.
CPC1006NTR

Mouser Part No
849-CPC1006NTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount 1-Form-A SSR 4-Pin SOP

Learn More

Datasheet

38,112In Stock

Cut Tape

£1.73

£1.55

£1.48

£1.42

Reel

£1.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

CPC1014NTR
IXYS Integrated Circuits
1: £2.28
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

£2.28

£2.20

Reel

£2.20

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Solid State Relays - PCB Mount SPNO RELAY

CPC1017N
IXYS Integrated Circuits
1: £0.801
309,120In Stock

Mfr. Part No.
CPC1017N

Mouser Part No
849-CPC1017N

IXYS Integrated Circuits

Solid State Relays - PCB Mount SPNO RELAY

Learn More

Datasheet

309,120In Stock

£0.801

Min.: 1
Mult.: 1

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

CPC1017NTR
IXYS Integrated Circuits
1: £1.45
67,623In 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

67,623In Stock

Cut Tape

£1.45

£1.30

£1.24

£1.20

Reel

£0.96

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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