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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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Part #

Transistor Output Optocouplers PTR 20%, 2.5KV

4N25S-TA1
LITEON
1: CHF 0.381
12’176In Stock

Mfr. Part No.
4N25S-TA1

Mouser Part No
859-4N25S-TA1

LITEON

Transistor Output Optocouplers PTR 20%, 2.5KV

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Datasheet

12’176In Stock

Cut Tape

CHF 0.381

CHF 0.264

CHF 0.189

CHF 0.156

Reel

CHF 0.137

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MouseReel Available

Min.: 1
Mult.: 1

: 1’000

Transistor Output Optocouplers PTR 100%, 3.5KV

4N35
LITEON
1: CHF 0.507
16’078In Stock
13’195Expected 11/18/2026

Mfr. Part No.
4N35

Mouser Part No
859-4N35

LITEON

Transistor Output Optocouplers PTR 100%, 3.5KV

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Datasheet

16’078In Stock

13’195Expected 11/18/2026

CHF 0.507

CHF 0.28

CHF 0.219

CHF 0.152

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Min.: 1
Mult.: 1

Transistor Output Optocouplers PTR 100%, 3.5KV

4N35S-TA1
LITEON
1: CHF 0.372
14’302In Stock
13’000Expected 11/2/2026

Mfr. Part No.
4N35S-TA1

Mouser Part No
859-4N35S-TA1

LITEON

Transistor Output Optocouplers PTR 100%, 3.5KV

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Datasheet

14’302In Stock

13’000Expected 11/2/2026

Cut Tape

CHF 0.372

CHF 0.254

CHF 0.182

CHF 0.149

Reel

CHF 0.132

View

MouseReel Available

Min.: 1
Mult.: 1

: 1’000

High Speed Optocouplers High Speed 1MBd Transistor Output

6N135S-TA1
LITEON
1: CHF 0.698
10’007In Stock

Mfr. Part No.
6N135S-TA1

Mouser Part No
859-6N135STA1

LITEON

High Speed Optocouplers High Speed 1MBd Transistor Output

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Datasheet

10’007In Stock

Cut Tape

CHF 0.698

CHF 0.48

CHF 0.351

CHF 0.297

Reel

CHF 0.277

View

MouseReel Available

Min.: 1
Mult.: 1

: 1’000

High Speed Optocouplers High Speed 1MBd Transistor Output

6N136M
LITEON
1: CHF 0.666
17’801In Stock

Mfr. Part No.
6N136M

Mouser Part No
859-6N136M

LITEON

High Speed Optocouplers High Speed 1MBd Transistor Output

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Datasheet

17’801In Stock

CHF 0.666

CHF 0.465

CHF 0.339

CHF 0.283

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Min.: 1
Mult.: 1

High Speed Optocouplers High Speed 10MBd LogicGate Output

6N137
LITEON
1: CHF 0.595
34’641In Stock

Mfr. Part No.
6N137

Mouser Part No
859-6N137

LITEON

High Speed Optocouplers High Speed 10MBd LogicGate Output

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Datasheet

34’641In Stock

CHF 0.595

CHF 0.471

CHF 0.343

CHF 0.287

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Min.: 1
Mult.: 1

High Speed Optocouplers High Speed 10MBd LogicGate Output

6N137S-TA1
LITEON
1: CHF 0.698
24’628In Stock
53’000Expected 12/14/2026

Mfr. Part No.
6N137S-TA1

Mouser Part No
859-6N137STA1

LITEON

High Speed Optocouplers High Speed 10MBd LogicGate Output

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Datasheet

24’628In Stock

53’000Expected 12/14/2026

Cut Tape

CHF 0.698

CHF 0.48

CHF 0.351

CHF 0.297

Reel

CHF 0.276

View

MouseReel Available

Min.: 1
Mult.: 1

: 1’000

Transistor Output Optocouplers HCEV, 100%, 5KV

CNY17-3S-TA1
LITEON
1: CHF 0.452
9’316In Stock

Mfr. Part No.
CNY17-3S-TA1

Mouser Part No
859-CNY17-3S-TA1

LITEON

Transistor Output Optocouplers HCEV, 100%, 5KV

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Datasheet

9’316In Stock

Cut Tape

CHF 0.452

CHF 0.312

CHF 0.224

CHF 0.184

Reel

CHF 0.161

View

MouseReel Available

Min.: 1
Mult.: 1

: 1’000

Transistor Output Optocouplers 20% 3.75KV 4 Pin AC Optocoupler

LTV-214
LITEON
1: CHF 0.595
6’439In Stock

Mfr. Part No.
LTV-214

Mouser Part No
859-LTV-214

LITEON

Transistor Output Optocouplers 20% 3.75KV 4 Pin AC Optocoupler

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Datasheet

6’439In Stock

Cut Tape

CHF 0.595

CHF 0.412

CHF 0.301

CHF 0.252

Reel

CHF 0.19

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

Transistor Output Optocouplers Optocoupler

LTV-725VS-TA1
LITEON
1: CHF 1.17
3’365In Stock

Mfr. Part No.
LTV-725VS-TA1

Mouser Part No
859-LTV-725VS-TA1

LITEON

Transistor Output Optocouplers Optocoupler

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Datasheet

3’365In Stock

Cut Tape

CHF 1.17

CHF 0.833

CHF 0.616

CHF 0.524

Reel

CHF 0.497

View

Min.: 1
Mult.: 1

: 1’000

Transistor Output Optocouplers Optocoupler AC input

LTV-814
LITEON
1: CHF 0.405
27’311In Stock
6’000Expected 11/6/2026

Mfr. Part No.
LTV-814

Mouser Part No
859-LTV-814

LITEON

Transistor Output Optocouplers Optocoupler AC input

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Datasheet

27’311In Stock

6’000Expected 11/6/2026

CHF 0.405

CHF 0.277

CHF 0.198

CHF 0.162

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Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupler

LTV-8141
LITEON
1: CHF 0.658
6’658In Stock

Mfr. Part No.
LTV-8141

Mouser Part No
859-LTV-8141

LITEON

Transistor Output Optocouplers Optocoupler

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Datasheet

6’658In Stock

CHF 0.658

CHF 0.454

CHF 0.312

CHF 0.265

View

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupler AC input

LTV-8141S
LITEON
1: CHF 0.729
10’227In Stock

Mfr. Part No.
LTV-8141S

Mouser Part No
859-LTV-8141S

LITEON

Transistor Output Optocouplers Optocoupler AC input

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Datasheet

10’227In Stock

CHF 0.729

CHF 0.499

CHF 0.333

CHF 0.294

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Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupler

LTV-8141S-TA
LITEON
1: CHF 0.785
8’136In Stock

Mfr. Part No.
LTV-8141S-TA

Mouser Part No
859-LTV-8141S-TA

LITEON

Transistor Output Optocouplers Optocoupler

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Datasheet

8’136In Stock

Cut Tape

CHF 0.785

CHF 0.544

CHF 0.401

CHF 0.337

Reel

CHF 0.314

View

Min.: 1
Mult.: 1

: 1’000

Transistor Output Optocouplers Optocoupler Phototrans

LTV-817S
LITEON
1: CHF 0.317
22’155In Stock
27’000Expected 10/26/2026

Mfr. Part No.
LTV-817S

Mouser Part No
859-LTV-817S

LITEON

Transistor Output Optocouplers Optocoupler Phototrans

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Datasheet

22’155In Stock

27’000Expected 10/26/2026

CHF 0.317

CHF 0.216

CHF 0.137

CHF 0.116

View

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT

LTV-817S-D
LITEON
1: CHF 0.349
28’593In Stock

Mfr. Part No.
LTV-817S-D

Mouser Part No
859-LTV-817S-D

LITEON

Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT

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Datasheet

28’593In Stock

CHF 0.349

CHF 0.237

CHF 0.169

CHF 0.134

View

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupler

LTV-817S-TA
LITEON
1: CHF 0.325
20’207In Stock
43’000On Order

Mfr. Part No.
LTV-817S-TA

Mouser Part No
859-LTV-817S-TA

LITEON

Transistor Output Optocouplers Optocoupler

Learn More

Datasheet

20’207In Stock

43’000On Order

Cut Tape

CHF 0.325

CHF 0.221

CHF 0.157

CHF 0.132

Reel

CHF 0.132

View

MouseReel Available

Min.: 1
Mult.: 1

: 1’000

Transistor Output Optocouplers Optocoupler AC in 2-CHNL

LTV-824
LITEON
1: CHF 0.817
8’296In Stock

Mfr. Part No.
LTV-824

Mouser Part No
859-LTV-824

LITEON

Transistor Output Optocouplers Optocoupler AC in 2-CHNL

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Datasheet

8’296In Stock

CHF 0.817

CHF 0.563

CHF 0.447

CHF 0.418

View

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocplr Phototrans 2-CHNL

LTV-825S
LITEON
1: CHF 0.674
5’800In Stock

Mfr. Part No.
LTV-825S

Mouser Part No
859-LTV-825S

LITEON

Transistor Output Optocouplers Optocplr Phototrans 2-CHNL

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Datasheet

5’800In Stock

CHF 0.674

CHF 0.377

CHF 0.34

CHF 0.284

View

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupler AC in 4-CHNL

LTV-844S
LITEON
1: CHF 1.57
10’428In Stock
39’100Expected 9/28/2026

Mfr. Part No.
LTV-844S

Mouser Part No
859-LTV-844S

LITEON

Transistor Output Optocouplers Optocoupler AC in 4-CHNL

Learn More

Datasheet

10’428In Stock

39’100Expected 9/28/2026

CHF 1.57

CHF 0.968

CHF 0.781

CHF 0.682

View

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupler AC in 4-CHNL

LTV-845S
LITEON
1: CHF 1.29
12’016In Stock
3’475On Order

Mfr. Part No.
LTV-845S

Mouser Part No
859-LTV-845S

LITEON

Transistor Output Optocouplers Optocoupler AC in 4-CHNL

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Datasheet

12’016In Stock

3’475On Order

CHF 1.29

CHF 0.793

CHF 0.64

CHF 0.553

View

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocplr Phototrans 4-CHNL

LTV-847S
LITEON
1: CHF 1.05
16’905In Stock

Mfr. Part No.
LTV-847S

Mouser Part No
859-LTV-847S

LITEON

Transistor Output Optocouplers Optocplr Phototrans 4-CHNL

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Datasheet

16’905In Stock

CHF 1.05

CHF 0.644

CHF 0.524

CHF 0.444

View

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocplr Phototrans 4-CHNL

LTV-849
LITEON
1: CHF 0.94
12’685In Stock

Mfr. Part No.
LTV-849

Mouser Part No
859-LTV-849

LITEON

Transistor Output Optocouplers Optocplr Phototrans 4-CHNL

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Datasheet

12’685In Stock

CHF 0.94

CHF 0.585

CHF 0.483

CHF 0.409

View

Min.: 1
Mult.: 1

Transistor Output Optocouplers Optocoupler, AC 600%, 5KV, 4 PIN

LTV-217-G
LITEON
1: CHF 0.563
20’544In Stock

Mfr. Part No.
LTV-217-G

Mouser Part No
859-LTV217G

LITEON

Transistor Output Optocouplers Optocoupler, AC 600%, 5KV, 4 PIN

Learn More

Datasheet

20’544In Stock

Cut Tape

CHF 0.563

CHF 0.373

CHF 0.25

CHF 0.172

Reel

CHF 0.141

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

Triac & SCR Output Optocouplers Optocoupler TRIAC

MOC3021
LITEON
1: CHF 0.42
25’959In Stock
25’285Expected 9/28/2026

Mfr. Part No.
MOC3021

Mouser Part No
859-MOC3021

LITEON

Triac & SCR Output Optocouplers Optocoupler TRIAC

Learn More

Datasheet

25’959In Stock

25’285Expected 9/28/2026

CHF 0.42

CHF 0.338

CHF 0.261

CHF 0.246

View

Min.: 1
Mult.: 1

Optocouplers / Photocouplers

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Optocouplers / Photocouplers

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