.hide-partial { max-height: none; } .show-more { display: none; }

ST Series Circuit Protection

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 43

Applied Filters:

Series = ST

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,3.3V

STS321033B100AH
Eaton Electronics
1: $0.806
11,051In Stock
New Product

Mfr. Part No.
STS321033B100AH

Mouser Part No
504-STS321033B100AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,3.3V

Learn More

Datasheet

11,051In Stock

Cut Tape

$0.806

$0.482

$0.307

$0.249

Reel

$0.185

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,36V

STS321360U351AH
Eaton Electronics
1: $0.626
8,582In Stock
New Product

Mfr. Part No.
STS321360U351AH

Mouser Part No
504-STS321360U351AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,36V

Learn More

Datasheet

8,582In Stock

Cut Tape

$0.626

$0.421

$0.227

$0.181

Reel

$0.125

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,36V

STS321360B141AH
Eaton Electronics
1: $0.639
12,409In Stock
6,000Expected 10/6/2026
New Product

Mfr. Part No.
STS321360B141AH

Mouser Part No
504-STS321360B141AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,36V

Learn More

Datasheet

12,409In Stock

6,000Expected 10/6/2026

Cut Tape

$0.639

$0.392

$0.249

$0.186

Reel

$0.136

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,5.0V

STS321050U852AH
Eaton Electronics
1: $0.778
8,996In Stock
New Product

Mfr. Part No.
STS321050U852AH

Mouser Part No
504-STS321050U852AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,5.0V

Learn More

Datasheet

8,996In Stock

Cut Tape

$0.778

$0.474

$0.30

$0.227

Reel

$0.174

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD DFN1006-2L,5V

STN101050BL25AH
Eaton Electronics
1: $0.626
30,075In Stock
New Product

Mfr. Part No.
STN101050BL25AH

Mouser Part No
504-STN101050BL25AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD DFN1006-2L,5V

Learn More

Datasheet

30,075In Stock

Cut Tape

$0.626

$0.43

$0.332

$0.271

Reel

$0.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD523-2,5.0V

STS521050B331AH
Eaton Electronics
1: $0.417
27,308In Stock
New Product

Mfr. Part No.
STS521050B331AH

Mouser Part No
504-STS521050B331AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD523-2,5.0V

Learn More

Datasheet

27,308In Stock

Cut Tape

$0.417

$0.296

$0.264

$0.196

Reel

$0.092

View

MouseReel Available

Min.: 1
Mult.: 1

: 8,000

ESD Protection Diodes / TVS Diodes Auto ESD DFN1006-2L,5 V

STN101050B181AH
Eaton Electronics
1: $0.487
15,540In Stock
New Product

Mfr. Part No.
STN101050B181AH

Mouser Part No
504-STN101050B181AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD DFN1006-2L,5 V

Learn More

Datasheet

15,540In Stock

Cut Tape

$0.487

$0.341

$0.189

$0.158

Reel

$0.072

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes Auto ESD DFN1006-2L,5 V

STN101050BL30AH
Eaton Electronics
1: $0.473
18,532In Stock
New Product

Mfr. Part No.
STN101050BL30AH

Mouser Part No
504-STN101050BL30AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD DFN1006-2L,5 V

Learn More

Datasheet

18,532In Stock

Cut Tape

$0.473

$0.289

$0.182

$0.168

Reel

$0.128

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes Auto ESD DFN2510-10L,5V

STN254050UL50AH
Eaton Electronics
1: $0.848
9,070In Stock
New Product

Mfr. Part No.
STN254050UL50AH

Mouser Part No
504-STN254050UL50AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD DFN2510-10L,5V

Learn More

Datasheet

9,070In Stock

Cut Tape

$0.848

$0.521

$0.354

$0.268

Reel

$0.20

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOT23-3,5.0V

STS232050U152AH
Eaton Electronics
1: $0.737
8,821In Stock
New Product

Mfr. Part No.
STS232050U152AH

Mouser Part No
504-STS232050U152AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOT23-3,5.0V

Learn More

Datasheet

8,821In Stock

Cut Tape

$0.737

$0.453

$0.288

$0.221

Reel

$0.16

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,3.3V

STS321033U202AH
Eaton Electronics
1: $0.542
6,408In Stock
New Product

Mfr. Part No.
STS321033U202AH

Mouser Part No
504-STS321033U202AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,3.3V

Learn More

Datasheet

6,408In Stock

Cut Tape

$0.542

$0.329

$0.207

$0.154

Reel

$0.11

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,5.0V

STS321045B502AH
Eaton Electronics
1: $0.945
3,146In Stock
9,000Expected 28/7/2026
New Product

Mfr. Part No.
STS321045B502AH

Mouser Part No
504-STS321045B502AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,5.0V

Learn More

Datasheet

3,146In Stock

9,000Expected 28/7/2026

Cut Tape

$0.945

$0.581

$0.373

$0.286

Reel

$0.211

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Automotive TVS Diode ESD Suppressor

STS321050B100AH
Eaton Electronics
1: $0.792
7,237In Stock
New Product

Mfr. Part No.
STS321050B100AH

Mouser Part No
504-STS321050B100AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Automotive TVS Diode ESD Suppressor

Learn More

Datasheet

7,237In Stock

Cut Tape

$0.792

$0.489

$0.311

$0.238

Reel

$0.174

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,5.0V

STS321050B331AH
Eaton Electronics
1: $0.556
7,330In Stock
New Product

Mfr. Part No.
STS321050B331AH

Mouser Part No
504-STS321050B331AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,5.0V

Learn More

Datasheet

7,330In Stock

Cut Tape

$0.556

$0.341

$0.214

$0.16

Reel

$0.111

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,5.0V

STS321050U182AH
Eaton Electronics
1: $0.57
20,000In Stock
New Product

Mfr. Part No.
STS321050U182AH

Mouser Part No
504-STS321050U182AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,5.0V

Learn More

Datasheet

20,000In Stock

Cut Tape

$0.57

$0.35

$0.221

$0.181

Reel

$0.125

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,7.0V

STS321070U162AH
Eaton Electronics
1: $0.57
9,080In Stock
New Product

Mfr. Part No.
STS321070U162AH

Mouser Part No
504-STS321070U162AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,7.0V

Learn More

Datasheet

9,080In Stock

Cut Tape

$0.57

$0.35

$0.227

$0.181

Reel

$0.124

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,7.0V

STS321070U722AH
Eaton Electronics
1: $0.695
9,094In Stock
New Product

Mfr. Part No.
STS321070U722AH

Mouser Part No
504-STS321070U722AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,7.0V

Learn More

Datasheet

9,094In Stock

Cut Tape

$0.695

$0.43

$0.272

$0.217

Reel

$0.165

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,8.0V

STS321080B100AH
Eaton Electronics
1: $0.765
9,090In Stock
New Product

Mfr. Part No.
STS321080B100AH

Mouser Part No
504-STS321080B100AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,8.0V

Learn More

Datasheet

9,090In Stock

Cut Tape

$0.765

$0.473

$0.307

$0.247

Reel

$0.185

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,12V

STS321120B301AH
Eaton Electronics
1: $0.556
3,063In Stock
9,000Expected 8/6/2026
New Product

Mfr. Part No.
STS321120B301AH

Mouser Part No
504-STS321120B301AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,12V

Learn More

Datasheet

3,063In Stock

9,000Expected 8/6/2026

Cut Tape

$0.556

$0.341

$0.214

$0.16

Reel

$0.111

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,12V

STS321120U372AH
Eaton Electronics
1: $0.709
2,399In Stock
9,000Expected 3/9/2026
New Product

Mfr. Part No.
STS321120U372AH

Mouser Part No
504-STS321120U372AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,12V

Learn More

Datasheet

2,399In Stock

9,000Expected 3/9/2026

Cut Tape

$0.709

$0.432

$0.274

$0.206

Reel

$0.15

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,12V

STS321120U901AH
Eaton Electronics
1: $0.57
9,068In Stock
New Product

Mfr. Part No.
STS321120U901AH

Mouser Part No
504-STS321120U901AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,12V

Learn More

Datasheet

9,068In Stock

Cut Tape

$0.57

$0.35

$0.227

$0.181

Reel

$0.125

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,15V

STS321150B100AH
Eaton Electronics
1: $0.862
8,728In Stock
New Product

Mfr. Part No.
STS321150B100AH

Mouser Part No
504-STS321150B100AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,15V

Learn More

Datasheet

8,728In Stock

Cut Tape

$0.862

$0.521

$0.332

$0.252

Reel

$0.174

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,15V

STS321150B351AH
Eaton Electronics
1: $0.653
8,866In Stock
New Product

Mfr. Part No.
STS321150B351AH

Mouser Part No
504-STS321150B351AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,15V

Learn More

Datasheet

8,866In Stock

Cut Tape

$0.653

$0.45

$0.238

$0.202

Reel

$0.125

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,15V

STS321150U332AH
Eaton Electronics
1: $0.695
9,100In Stock
New Product

Mfr. Part No.
STS321150U332AH

Mouser Part No
504-STS321150U332AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,15V

Learn More

Datasheet

9,100In Stock

Cut Tape

$0.695

$0.43

$0.272

$0.217

Reel

$0.165

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,15V

STS321150U751AH
Eaton Electronics
1: $0.57
9,070In Stock
New Product

Mfr. Part No.
STS321150U751AH

Mouser Part No
504-STS321150U751AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes Auto ESD SOD323-2,15V

Learn More

Datasheet

9,070In Stock

Cut Tape

$0.57

$0.35

$0.227

$0.181

Reel

$0.126

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ST Series Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support