Optocouplers/Photocouplers

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Optocouplers / Photocouplers

LITEON Optocouplers / Photocouplers are available in standard single, dual, and quad channels. These devices come in Dual-In Package (DIP), Small Outline Package (SOP), Shrink Small Outline Package (SSOP), and Long Small Outline Package (LSOP). The optocouplers / photocouplers are offered with transistor, triac, high speed, Darlington, IGBT drive output, and AC input configurations. These Optocouplers / Photocouplers serve various applications such as switch mode power, battery chargers, fax modems, home appliances, telecommunications, and industry controllers.

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Types of Optocouplers/Photocouplers

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Results: 339

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Part #

Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT

LTV-817S-TA1-B
LITEON
1: 2,76 kr.
487In Stock
10.000Expected 04/12/2026

Mfr. Part No.
LTV-817S-TA1-B

Mouser Part No
859-LTV-817S-TA1-B

LITEON

Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT

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Datasheet

487In Stock

10.000Expected 04/12/2026

Cut Tape

2,76 kr.

1,87 kr.

1,34 kr.

1,08 kr.

Reel

0,933 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

6 V

18 us

50 mA

SMD/SMT

PDIP-4 Gull Wing

1 Channel

NPN Phototransistor

Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT

LTV-817S-TA1-C
LITEON
1: 2,76 kr.
5.590In Stock

Mfr. Part No.
LTV-817S-TA1-C

Mouser Part No
859-LTV-817S-TA1-C

LITEON

Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT

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Datasheet

5.590In Stock

Cut Tape

2,76 kr.

1,87 kr.

1,34 kr.

1,08 kr.

Reel

0,925 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

6 V

18 us

50 mA

SMD/SMT

PDIP-4 Gull Wing

1 Channel

NPN Phototransistor

Transistor Output Optocouplers Optocoupler

LTV-826S-TA
LITEON
1: 3,66 kr.
940In Stock
10.000Expected 09/10/2026

Mfr. Part No.
LTV-826S-TA

Mouser Part No
859-LTV-826S-TA

LITEON

Transistor Output Optocouplers Optocoupler

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Datasheet

940In Stock

10.000Expected 09/10/2026

Cut Tape

3,66 kr.

2,54 kr.

1,83 kr.

1,51 kr.

Reel

1,40 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

6 V

18 us

50 mA

SMD/SMT

PDIP-8 Gull Wing

2 Channel

NPN Phototransistor

Transistor Output Optocouplers Optocoupler AC in 4-CHNL

LTV-844HS
LITEON
1: 10,29 kr.
770In Stock

Mfr. Part No.
LTV-844HS

Mouser Part No
859-LTV-844HS

LITEON

Transistor Output Optocouplers Optocoupler AC in 4-CHNL

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Datasheet

770In Stock

10,29 kr.

6,54 kr.

5,52 kr.

4,73 kr.

View

Min.: 1
Mult.: 1

18 us

80 mA

SMD/SMT

PDIP-16 Gull Wing

4 Channel

Phototransistor

Transistor Output Optocouplers Optocoupler

LTV-852S-TA1
LITEON
1: 5,84 kr.
286In Stock

Mfr. Part No.
LTV-852S-TA1

Mouser Part No
859-LTV-852S-TA1

LITEON

Transistor Output Optocouplers Optocoupler

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Datasheet

286In Stock

Cut Tape

5,84 kr.

4,06 kr.

2,95 kr.

2,45 kr.

Reel

2,21 kr.

View

Min.: 1
Mult.: 1

: 1.000

6 V

300 us

150 mA

SMD/SMT

PDIP-4 Gull Wing

1 Channel

Photodarlington

Transistor Output Optocouplers P/C LTV356TB-V STD. TYPE (VDE)

LTV356TB-V
LITEON
1: 2,37 kr.
1.118In Stock
3.000Expected 26/10/2026

Mfr. Part No.
LTV356TB-V

Mouser Part No
859-LTV356TB-V

LITEON

Transistor Output Optocouplers P/C LTV356TB-V STD. TYPE (VDE)

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Datasheet

1.118In Stock

3.000Expected 26/10/2026

Cut Tape

2,37 kr.

1,63 kr.

1,16 kr.

0,94 kr.

Reel

0,776 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

6 V

18 us

50 mA

SMD/SMT

1 Channel

NPN Phototransistor

Transistor Output Optocouplers P/C LTV826STA1-V TAPPING TYPE II, VDE

LTV826STA1-V
LITEON
1: 4,88 kr.
1.729In Stock

Mfr. Part No.
LTV826STA1-V

Mouser Part No
859-LTV826STA1-V

LITEON

Transistor Output Optocouplers P/C LTV826STA1-V TAPPING TYPE II, VDE

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Datasheet

1.729In Stock

Cut Tape

4,88 kr.

3,39 kr.

2,48 kr.

2,07 kr.

Reel

1,92 kr.

View

Min.: 1
Mult.: 1

: 1.000

6 V

18 us

50 mA

SMD/SMT

2 Channel

NPN Phototransistor

Triac & SCR Output Optocouplers Optocoupler TRIAC

MOC3020
LITEON
1: 4,62 kr.
7.896In Stock

Mfr. Part No.
MOC3020

Mouser Part No
859-MOC3020

LITEON

Triac & SCR Output Optocouplers Optocoupler TRIAC

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Datasheet

7.896In Stock

4,62 kr.

3,56 kr.

2,52 kr.

2,18 kr.

View

Min.: 1
Mult.: 1

Through Hole

DIP-6

1 Channel

PhotoTriac

Triac & SCR Output Optocouplers Optocoupler TRIAC

MOC3020S
LITEON
1: 4,17 kr.
4.485In Stock

Mfr. Part No.
MOC3020S

Mouser Part No
859-MOC3020S

LITEON

Triac & SCR Output Optocouplers Optocoupler TRIAC

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Datasheet

4.485In Stock

4,17 kr.

2,21 kr.

2,01 kr.

1,72 kr.

View

Min.: 1
Mult.: 1

SMD/SMT

SMD-6 Gull Wing

1 Channel

PhotoTriac

Triac & SCR Output Optocouplers Optocoupler TRIAC

MOC3020S-TA
LITEON
1: 4,24 kr.
6.761In Stock

Mfr. Part No.
MOC3020S-TA

Mouser Part No
859-MOC3020S-TA

LITEON

Triac & SCR Output Optocouplers Optocoupler TRIAC

Learn More

Datasheet

6.761In Stock

Cut Tape

4,24 kr.

2,94 kr.

2,13 kr.

1,77 kr.

Reel

1,64 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

SMD/SMT

SMD-6 Gull Wing

1 Channel

PhotoTriac

Triac & SCR Output Optocouplers Optocoupler TRIAC

MOC3023S-TA
LITEON
1: 4,36 kr.
426In Stock

Mfr. Part No.
MOC3023S-TA

Mouser Part No
859-MOC3023S-TA

LITEON

Triac & SCR Output Optocouplers Optocoupler TRIAC

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Datasheet

426In Stock

Cut Tape

4,36 kr.

3,01 kr.

2,19 kr.

1,81 kr.

Reel

1,66 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

SMD/SMT

SMD-6 Gull Wing

1 Channel

PhotoTriac

Triac & SCR Output Optocouplers 10MBd, dual, open-drain

LTV-063L
LITEON
1: 13,06 kr.
4.000In Stock
New At Mouser

Mfr. Part No.
LTV-063L

Mouser Part No
859-LTV-063L

New At Mouser

LITEON

Triac & SCR Output Optocouplers 10MBd, dual, open-drain

Learn More

Datasheet

4.000In Stock

Cut Tape

13,06 kr.

9,40 kr.

7,12 kr.

6,14 kr.

Reel

5,54 kr.

View

Min.: 1
Mult.: 1

: 2.000

Transistor Output Optocouplers PTR 20%, 2.5KV

4N25M
LITEON
1: 2,95 kr.
4.316In Stock

Mfr. Part No.
4N25M

Mouser Part No
859-4N25M

LITEON

Transistor Output Optocouplers PTR 20%, 2.5KV

Learn More

Datasheet

4.316In Stock

2,95 kr.

1,54 kr.

1,40 kr.

1,18 kr.

View

Min.: 1
Mult.: 1

6 V

3 us

100 mA

Through Hole

PDIP-6

1 Channel

NPN Phototransistor

Transistor Output Optocouplers PTR 20%, 2.5KV

4N25S
LITEON
1: 3,53 kr.
7.155In Stock

Mfr. Part No.
4N25S

Mouser Part No
859-4N25S

LITEON

Transistor Output Optocouplers PTR 20%, 2.5KV

Learn More

Datasheet

7.155In Stock

3,53 kr.

1,54 kr.

1,19 kr.

1,15 kr.

View

Min.: 1
Mult.: 1

6 V

3 us

100 mA

SMD/SMT

PDIP-6 Gull Wing

1 Channel

NPN Phototransistor

Transistor Output Optocouplers PTR 20%, 2.5KV

4N26
LITEON
1: 2,82 kr.
5.644In Stock

Mfr. Part No.
4N26

Mouser Part No
859-4N26

LITEON

Transistor Output Optocouplers PTR 20%, 2.5KV

Learn More

Datasheet

5.644In Stock

2,82 kr.

1,45 kr.

1,31 kr.

1,07 kr.

View

Min.: 1
Mult.: 1

6 V

3 us

100 mA

Through Hole

PDIP-6

1 Channel

NPN Phototransistor

Transistor Output Optocouplers PTR 20%, 2.5KV

4N26M
LITEON
1: 4,24 kr.
4.969In Stock

Mfr. Part No.
4N26M

Mouser Part No
859-4N26M

LITEON

Transistor Output Optocouplers PTR 20%, 2.5KV

Learn More

Datasheet

4.969In Stock

4,24 kr.

2,78 kr.

1,86 kr.

1,28 kr.

View

Min.: 1
Mult.: 1

6 V

3 us

100 mA

Through Hole

PDIP-6

1 Channel

NPN Phototransistor

Transistor Output Optocouplers PTR 20%, 2.5KV

4N26S
LITEON
1: 2,95 kr.
7.856In Stock

Mfr. Part No.
4N26S

Mouser Part No
859-4N26S

LITEON

Transistor Output Optocouplers PTR 20%, 2.5KV

Learn More

Datasheet

7.856In Stock

2,95 kr.

1,54 kr.

1,40 kr.

1,18 kr.

View

Min.: 1
Mult.: 1

6 V

3 us

100 mA

SMD/SMT

PDIP-6 Gull Wing

1 Channel

NPN Phototransistor

Transistor Output Optocouplers CTR 10%, 1.5KV

4N27
LITEON
1: 2,82 kr.
249In Stock
6.240Expected 06/10/2026

Mfr. Part No.
4N27

Mouser Part No
859-4N27

LITEON

Transistor Output Optocouplers CTR 10%, 1.5KV

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Datasheet

249In Stock

6.240Expected 06/10/2026

2,82 kr.

1,45 kr.

1,31 kr.

1,08 kr.

View

Min.: 1
Mult.: 1

6 V

3 us

100 mA

Through Hole

PDIP-6

1 Channel

NPN Phototransistor

Transistor Output Optocouplers PTR 20%, 1.5KV

4N27M
LITEON
1: 4,24 kr.
359In Stock

Mfr. Part No.
4N27M

Mouser Part No
859-4N27M

LITEON

Transistor Output Optocouplers PTR 20%, 1.5KV

Learn More

Datasheet

359In Stock

4,24 kr.

2,78 kr.

1,86 kr.

1,28 kr.

View

Min.: 1
Mult.: 1

6 V

3 us

100 mA

Through Hole

PDIP-6

1 Channel

NPN Phototransistor

Transistor Output Optocouplers PTR 10%, 0.5KV

4N28
LITEON
1: 2,82 kr.
585In Stock
6.240Expected 05/10/2026

Mfr. Part No.
4N28

Mouser Part No
859-4N28

LITEON

Transistor Output Optocouplers PTR 10%, 0.5KV

Learn More

Datasheet

585In Stock

6.240Expected 05/10/2026

2,82 kr.

1,45 kr.

1,31 kr.

1,11 kr.

View

Min.: 1
Mult.: 1

6 V

3 us

100 mA

Through Hole

PDIP-6

1 Channel

NPN Phototransistor

Transistor Output Optocouplers PTR 100%, 3.5KV

4N35
LITEON
1: 4,10 kr.
12.573In Stock
13.195Expected 23/11/2026

Mfr. Part No.
4N35

Mouser Part No
859-4N35

LITEON

Transistor Output Optocouplers PTR 100%, 3.5KV

Learn More

Datasheet

12.573In Stock

13.195Expected 23/11/2026

4,10 kr.

2,27 kr.

1,77 kr.

1,23 kr.

View

Min.: 1
Mult.: 1

6 V

10 us

100 mA

Through Hole

PDIP-6

1 Channel

NPN Phototransistor

Transistor Output Optocouplers PTR 100%, 3.5KV

4N35M
LITEON
1: 3,14 kr.
6.217In Stock

Mfr. Part No.
4N35M

Mouser Part No
859-4N35M

LITEON

Transistor Output Optocouplers PTR 100%, 3.5KV

Learn More

Datasheet

6.217In Stock

3,14 kr.

1,63 kr.

1,48 kr.

1,25 kr.

View

Min.: 1
Mult.: 1

6 V

10 us

100 mA

Through Hole

PDIP-6

1 Channel

NPN Phototransistor

Transistor Output Optocouplers PTR 100%, 3.5KV

4N35S
LITEON
1: 4,24 kr.
9.082In Stock

Mfr. Part No.
4N35S

Mouser Part No
859-4N35S

LITEON

Transistor Output Optocouplers PTR 100%, 3.5KV

Learn More

Datasheet

9.082In Stock

4,24 kr.

1,54 kr.

1,19 kr.

1,15 kr.

View

Min.: 1
Mult.: 1

6 V

10 us

100 mA

SMD/SMT

PDIP-6 Gull Wing

1 Channel

NPN Phototransistor

Transistor Output Optocouplers PTR 100%, 3.5KV

4N35S-TA1
LITEON
1: 3,01 kr.
1.356In Stock
28.000On Order

Mfr. Part No.
4N35S-TA1

Mouser Part No
859-4N35S-TA1

LITEON

Transistor Output Optocouplers PTR 100%, 3.5KV

Learn More

Datasheet

1.356In Stock

28.000On Order

Cut Tape

3,01 kr.

2,05 kr.

1,47 kr.

1,21 kr.

Reel

1,10 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

6 V

10 us

100 mA

SMD/SMT

PDIP-6 Gull Wing

1 Channel

NPN Phototransistor

Transistor Output Optocouplers PTR 100%, 1.5KV

4N37
LITEON
1: 2,82 kr.
7.138In Stock

Mfr. Part No.
4N37

Mouser Part No
859-4N37

LITEON

Transistor Output Optocouplers PTR 100%, 1.5KV

Learn More

Datasheet

7.138In Stock

2,82 kr.

1,45 kr.

1,31 kr.

1,07 kr.

View

Min.: 1
Mult.: 1

6 V

10 us

100 mA

Through Hole

PDIP-6

1 Channel

NPN Phototransistor

Optocouplers / Photocouplers

Types of Optocouplers/Photocouplers

Customer Service Office

Company

Resources

Support

DIP-16
DIP-4
DIP-6
DIP-8
MFP-4
PDIP-16
PDIP-16 Gull Wing
PDIP-4
PDIP-4 Gull Wing
PDIP-6
PDIP-6 Gull Wing
PDIP-8
PDIP-8 Gull Wing
SMD-16
SMD-4
SMD-6
SMD-6 Gull Wing
SMD-8
SMD-8 Gull Wing
SMD-DIP-16