Optocouplers/Photocouplers

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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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Types of Optocouplers/Photocouplers

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Results: 298

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Part #

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

LAA127L
IXYS Integrated Circuits
100: $9.58
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LAA127L

Mouser Part No
849-LAA127L

IXYS Integrated Circuits

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

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Datasheet

Non-Stocked Lead-Time 23 Weeks

$9.58

$8.15

$8.05

$7.94

Min.: 100
Mult.: 50

PCB Mount

DIP-8

MOSFET

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

LAA127LSTR
IXYS Integrated Circuits
1: $11.96
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LAA127LSTR

Mouser Part No
849-LAA127LSTR

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

Cut Tape

$11.96

$10.63

$10.10

$9.57

View

Reel

$8.11

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

PCB Mount

SMD DIP-8

MOSFET

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

LCA100
IXYS Integrated Circuits
1: $6.33
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA100

Mouser Part No
849-LCA100

IXYS Integrated Circuits

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

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Datasheet

Non-Stocked Lead-Time 23 Weeks

$6.33

$5.93

$5.27

$5.00

View

Min.: 1
Mult.: 1

PCB Mount

DIP-6

MOSFET

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

LCA100L
IXYS Integrated Circuits
1: $6.57
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA100L

Mouser Part No
849-LCA100L

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

$6.57

$6.16

$5.48

$5.20

View

Min.: 1
Mult.: 1

PCB Mount

DIP-6

MOSFET

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

LCA100LS
IXYS Integrated Circuits
1: $6.57
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA100LS

Mouser Part No
849-LCA100LS

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

$6.57

$6.16

$5.48

$5.20

View

Min.: 1
Mult.: 1

PCB Mount

SMD DIP-6

MOSFET

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

LCA100LSTR
IXYS Integrated Circuits
1,000: $4.15
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA100LSTR

Mouser Part No
849-LCA100LSTR

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

Reel

$4.15

Min.: 1,000
Mult.: 1,000

: 1,000

PCB Mount

SMD DIP-6

MOSFET

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

LCA100S
IXYS Integrated Circuits
250: $4.50
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA100S

Mouser Part No
849-LCA100S

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

$4.50

$4.34

$4.19

Min.: 250
Mult.: 50

PCB Mount

SMD DIP-6

MOSFET

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

LCA100STR
IXYS Integrated Circuits
1,000: $4.00
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA100STR

Mouser Part No
849-LCA100STR

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

Reel

$4.00

Min.: 1,000
Mult.: 1,000

: 1,000

PCB Mount

SMD DIP-6

MOSFET

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

LCA120LSTR
IXYS Integrated Circuits
1: $6.38
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA120LSTR

Mouser Part No
849-LCA120LSTR

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

Cut Tape

$6.38

$5.98

$5.31

$5.05

View

Reel

$4.23

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

PCB Mount

SMD DIP-6

MOSFET

Solid State Relays - PCB Mount Single-Pole Relay 300V 170mA

LCA125L
IXYS Integrated Circuits
1: $7.81
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA125L

Mouser Part No
849-LCA125L

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 300V 170mA

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

$7.81

$7.32

$6.51

$6.18

View

Min.: 1
Mult.: 1

PCB Mount

DIP-6

MOSFET

Solid State Relays - PCB Mount Single Pole OptoMOS 1-Form-A,300V,170mA

LCA125LS
IXYS Integrated Circuits
1: $7.81
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA125LS

Mouser Part No
849-LCA125LS

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single Pole OptoMOS 1-Form-A,300V,170mA

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

$7.81

$7.32

$6.51

$6.18

View

Min.: 1
Mult.: 1

PCB Mount

SMD DIP-6

Solid State Relays - PCB Mount Single Pole OptoMOS 1-Form-A,300V,170mA

LCA125LSTR
IXYS Integrated Circuits
1,000: $4.88
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA125LSTR

Mouser Part No
849-LCA125LSTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single Pole OptoMOS 1-Form-A,300V,170mA

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

Reel

$4.88

Min.: 1,000
Mult.: 1,000

: 1,000

Solid State Relays - PCB Mount Single-Pole Relay 300V 170mA

LCA125S
IXYS Integrated Circuits
1: $7.69
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA125S

Mouser Part No
849-LCA125S

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 300V 170mA

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

$7.69

$7.21

$6.41

$6.09

View

Min.: 1
Mult.: 1

PCB Mount

SMD DIP-6

MOSFET

Solid State Relays - PCB Mount Single-Pole Relay 300V 170mA

LCA125STR
IXYS Integrated Circuits
1,000: $4.84
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA125STR

Mouser Part No
849-LCA125STR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single-Pole Relay 300V 170mA

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

Reel

$4.84

Min.: 1,000
Mult.: 1,000

: 1,000

PCB Mount

SMD DIP-6

MOSFET

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

LCA127L
IXYS Integrated Circuits
1: $7.88
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA127L

Mouser Part No
849-LCA127L

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

$7.88

$7.38

$6.56

$6.23

View

Min.: 1
Mult.: 1

PCB Mount

DIP-6

MOSFET

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

LCA127LSTR
IXYS Integrated Circuits
1,000: $4.96
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA127LSTR

Mouser Part No
849-LCA127LSTR

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

Reel

$4.96

Min.: 1,000
Mult.: 1,000

: 1,000

PCB Mount

SMD DIP-6

MOSFET

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

LCA129S
IXYS Integrated Circuits
1: $5.83
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA129S

Mouser Part No
849-LCA129S

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

$5.83

$5.46

$4.86

$4.61

View

Min.: 1
Mult.: 1

PCB Mount

SMD DIP-6

MOSFET

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

LCA129STR
IXYS Integrated Circuits
1,000: $3.73
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA129STR

Mouser Part No
849-LCA129STR

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

Reel

$3.73

Min.: 1,000
Mult.: 1,000

: 1,000

PCB Mount

SMD DIP-6

MOSFET

Solid State Relays - PCB Mount Single Pole OptoMOS 1-Form-A, 60V, 1A

LCA710RTR
IXYS Integrated Circuits
1: $10.04
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
LCA710RTR

Mouser Part No
849-LCA710RTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single Pole OptoMOS 1-Form-A, 60V, 1A

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

Cut Tape

$10.04

$9.41

$8.37

$7.95

View

Reel

$6.42

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

PCB Mount

MOSFET

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

OMA160STR
IXYS Integrated Circuits
1,000: $4.51
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
OMA160STR

Mouser Part No
849-OMA160STR

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

Reel

$4.51

Min.: 1,000
Mult.: 1,000

: 1,000

PCB Mount

SMD DIP-6

MOSFET

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

PAA110L
IXYS Integrated Circuits
1: $14.54
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
PAA110L

Mouser Part No
849-PAA110L

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

$14.54

$12.92

$12.28

$11.63

View

Min.: 1
Mult.: 1

PCB Mount

DIP-8

MOSFET

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

PAA110LSTR
IXYS Integrated Circuits
1,000: $9.64
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
PAA110LSTR

Mouser Part No
849-PAA110LSTR

IXYS Integrated Circuits

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

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

Reel

$9.64

Min.: 1,000
Mult.: 1,000

: 1,000

PCB Mount

SMD DIP-8

MOSFET

Solid State Relays - PCB Mount DUAL POLE CIRCUITS

PAA127
IXYS Integrated Circuits
1: $7.00
Non-Stocked

Mfr. Part No.
PAA127

Mouser Part No
849-PAA127

IXYS Integrated Circuits

Solid State Relays - PCB Mount DUAL POLE CIRCUITS

Learn More

Datasheet

Non-Stocked

$7.00

$6.68

$5.67

$5.24

View

Min.: 1
Mult.: 1

PCB Mount

MOSFET

Solid State Relays - PCB Mount Dual Single-Pole 1-Form-A, 280V,200mA

PAA127STR
IXYS Integrated Circuits
1,000: $3.74
Non-Stocked

Mfr. Part No.
PAA127STR

Mouser Part No
849-PAA127STR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Dual Single-Pole 1-Form-A, 280V,200mA

Learn More

Datasheet

Non-Stocked

Reel

$3.74

Min.: 1,000
Mult.: 1,000

: 1,000

Solid State Relays - PCB Mount Single Pole Dual 1-Form-A Relay

PAA140LSTR
IXYS Integrated Circuits
1,000: $10.56
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
PAA140LSTR

Mouser Part No
849-PAA140LSTR

IXYS Integrated Circuits

Solid State Relays - PCB Mount Single Pole Dual 1-Form-A Relay

Learn More

Datasheet

Non-Stocked Lead-Time 23 Weeks

Reel

$10.56

Min.: 1,000
Mult.: 1,000

: 1,000

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

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