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

Circuit Protection Devices

Bourns manufactures and supplies a wide range of circuit protection technologies, including fuses, PTC thermistors, varistors, GDTs, resettable thermal cut-offs, surge protection devices, hybrid protectors, discrete semiconductor solutions, and more. Reliable surge protection is a critical design consideration to help ensure operational reliability of consumer electronics, industrial/communication equipment, automotive, battery charging, energy storage infrastructure, and renewable energy harvesting ecosystems.

All Results (8,106)

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; }

Select a category below to see filtering options and narrow down your search.

Part #

ESD Protection Diodes / TVS Diodes 350volts 5uA 0.9Amps Uni-Dir

SMAJ350A
Bourns
1: $0.52
8,884In Stock

Mfr. Part No.
SMAJ350A

Mouser Part No
652-SMAJ350A

Bourns

ESD Protection Diodes / TVS Diodes 350volts 5uA 0.9Amps Uni-Dir

Learn More

Datasheet

8,884In Stock

Cut Tape

$0.52

$0.307

$0.229

$0.156

Reel

$0.155

$0.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 440volts 1uA .6 Amps Bi-Dir

SMAJ400CA
Bourns
1: $0.30
14,358In Stock

Mfr. Part No.
SMAJ400CA

Mouser Part No
652-SMAJ400CA

Bourns

ESD Protection Diodes / TVS Diodes 440volts 1uA .6 Amps Bi-Dir

Learn More

Datasheet

14,358In Stock

Cut Tape

$0.30

$0.236

$0.221

$0.20

Reel

$0.20

$0.192

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 40volts 5uA 6.2 Amps Uni-Dir

SMAJ40A
Bourns
1: $0.37
73,532In Stock

Mfr. Part No.
SMAJ40A

Mouser Part No
652-SMAJ40A

Bourns

ESD Protection Diodes / TVS Diodes 40volts 5uA 6.2 Amps Uni-Dir

Learn More

Datasheet

73,532In Stock

Cut Tape

$0.37

$0.158

$0.099

$0.097

Reel

$0.077

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 150volts 5uA 2.5 Amps Bi-Dir

SMBJ150CA
Bourns
1: $0.47
42,773In Stock

Mfr. Part No.
SMBJ150CA

Mouser Part No
652-SMBJ150CA

Bourns

ESD Protection Diodes / TVS Diodes 150volts 5uA 2.5 Amps Bi-Dir

Learn More

Datasheet

42,773In Stock

Cut Tape

$0.47

$0.214

$0.174

$0.142

$0.132

Reel

$0.106

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 18volts 5uA 20.5 Amps Uni-Dir

SMBJ18A
Bourns
1: $0.39
19,818In Stock

Mfr. Part No.
SMBJ18A

Mouser Part No
652-SMBJ18A

Bourns

ESD Protection Diodes / TVS Diodes 18volts 5uA 20.5 Amps Uni-Dir

Learn More

Datasheet

19,818In Stock

Cut Tape

$0.39

$0.197

$0.152

$0.115

Reel

$0.084

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 350volts 1uA 0.9Amps Uni-Dir

SMBJ350A
Bourns
1: $0.40
11,960In Stock

Mfr. Part No.
SMBJ350A

Mouser Part No
652-SMBJ350A

Bourns

ESD Protection Diodes / TVS Diodes 350volts 1uA 0.9Amps Uni-Dir

Learn More

Datasheet

11,960In Stock

Cut Tape

$0.40

$0.345

$0.24

$0.199

Reel

$0.174

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 350volts 1uA 0.9Amps Bi-Dir

SMBJ350CA
Bourns
1: $0.97
10,757In Stock

Mfr. Part No.
SMBJ350CA

Mouser Part No
652-SMBJ350CA

Bourns

ESD Protection Diodes / TVS Diodes 350volts 1uA 0.9Amps Bi-Dir

Learn More

Datasheet

10,757In Stock

Cut Tape

$0.97

$0.606

$0.356

$0.304

Reel

$0.237

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMBJ - A 90V

SMBJ90A-Q
Bourns
1: $0.42
13,310In Stock

Mfr. Part No.
SMBJ90A-Q

Mouser Part No
652-SMBJ90A-Q

Bourns

ESD Protection Diodes / TVS Diodes SMBJ - A 90V

Learn More

Datasheet

13,310In Stock

Cut Tape

$0.42

$0.348

$0.237

$0.185

Reel

$0.123

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMCJ - CA 120V

SMCJ120CA-Q
Bourns
1: $1.37
4,907In Stock

Mfr. Part No.
SMCJ120CA-Q

Mouser Part No
652-SMCJ120CA-Q

Bourns

ESD Protection Diodes / TVS Diodes SMCJ - CA 120V

Learn More

Datasheet

4,907In Stock

Cut Tape

$1.37

$0.866

$0.574

$0.45

Reel

$0.344

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 18volts 1.5kW 5% Bi-Dir. AEC-Q101

SMCJ18CA-Q
Bourns
1: $0.32
11,904In Stock

Mfr. Part No.
SMCJ18CA-Q

Mouser Part No
652-SMCJ18CA-Q

Bourns

ESD Protection Diodes / TVS Diodes 18volts 1.5kW 5% Bi-Dir. AEC-Q101

Learn More

Datasheet

11,904In Stock

Cut Tape

$0.32

$0.31

$0.308

Reel

$0.267

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 300volts 1uA 1 Amps Uni-Dir

SMCJ300A
Bourns
1: $0.91
7,835In Stock

Mfr. Part No.
SMCJ300A

Mouser Part No
652-SMCJ300A

Bourns

ESD Protection Diodes / TVS Diodes 300volts 1uA 1 Amps Uni-Dir

Learn More

Datasheet

7,835In Stock

Cut Tape

$0.91

$0.671

$0.357

$0.322

$0.316

Reel

$0.281

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 40volts 5uA 23.3 Amps Bi-Dir

SMCJ40CA
Bourns
1: $0.43
13,870In Stock

Mfr. Part No.
SMCJ40CA

Mouser Part No
652-SMCJ40CA

Bourns

ESD Protection Diodes / TVS Diodes 40volts 5uA 23.3 Amps Bi-Dir

Learn More

Datasheet

13,870In Stock

Cut Tape

$0.43

$0.373

$0.287

$0.25

$0.239

Reel

$0.211

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMCJ - CA 5V

SMCJ5.0CA-Q
Bourns
1: $0.81
12,201In Stock

Mfr. Part No.
SMCJ5.0CA-Q

Mouser Part No
652-SMCJ5.0CA-Q

Bourns

ESD Protection Diodes / TVS Diodes SMCJ - CA 5V

Learn More

Datasheet

12,201In Stock

Cut Tape

$0.81

$0.666

$0.46

$0.367

Reel

$0.29

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 9volts 10uA 97.4 Amps Uni-Dir

SMCJ9.0A
Bourns
1: $0.27
10,217In Stock

Mfr. Part No.
SMCJ9.0A

Mouser Part No
652-SMCJ9.0A

Bourns

ESD Protection Diodes / TVS Diodes 9volts 10uA 97.4 Amps Uni-Dir

Learn More

Datasheet

10,217In Stock

Cut Tape

$0.27

$0.234

$0.196

$0.191

Reel

$0.163

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 12volts 5uA 150.6 Amps Bi-Dir

SMLJ12CA
Bourns
1: $0.45
3,207In Stock

Mfr. Part No.
SMLJ12CA

Mouser Part No
652-SMLJ12CA

Bourns

ESD Protection Diodes / TVS Diodes 12volts 5uA 150.6 Amps Bi-Dir

Learn More

Datasheet

3,207In Stock

Cut Tape

$0.45

Reel

$0.425

$0.414

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 40volts 5uA 46.4 Amps Uni-Dir

SMLJ40A
Bourns
1: $0.99
5,964In Stock

Mfr. Part No.
SMLJ40A

Mouser Part No
652-SMLJ40A

Bourns

ESD Protection Diodes / TVS Diodes 40volts 5uA 46.4 Amps Uni-Dir

Learn More

Datasheet

5,964In Stock

Cut Tape

$0.99

$0.818

$0.636

$0.519

Reel

$0.379

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 48volts 5uA 38.8 Amps Uni-Dir

SMLJ48A
Bourns
1: $0.75
13,534In Stock

Mfr. Part No.
SMLJ48A

Mouser Part No
652-SMLJ48A

Bourns

ESD Protection Diodes / TVS Diodes 48volts 5uA 38.8 Amps Uni-Dir

Learn More

Datasheet

13,534In Stock

Cut Tape

$0.75

$0.613

$0.458

$0.456

$0.445

Reel

$0.40

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 5volts 1000uA 326 Amps Bi-Dir

SMLJ5.0CA
Bourns
1: $1.17
11,906In Stock

Mfr. Part No.
SMLJ5.0CA

Mouser Part No
652-SMLJ5.0CA

Bourns

ESD Protection Diodes / TVS Diodes 5volts 1000uA 326 Amps Bi-Dir

Learn More

Datasheet

11,906In Stock

Cut Tape

$1.17

$0.955

$0.496

$0.442

Reel

$0.441

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 64volts 5uA 29.2 Amps Uni-Dir

SMLJ64A
Bourns
1: $1.07
9,948In Stock

Mfr. Part No.
SMLJ64A

Mouser Part No
652-SMLJ64A

Bourns

ESD Protection Diodes / TVS Diodes 64volts 5uA 29.2 Amps Uni-Dir

Learn More

Datasheet

9,948In Stock

Cut Tape

$1.07

$0.873

$0.616

$0.497

$0.49

Reel

$0.40

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Board Mount Surge Protectors 850V 50mA Dual Bi-dir TBU

TBU-DF085-050-WH
Bourns
1: $2.81
8,049In Stock

Mfr. Part No.
TBU-DF085-050-WH

Mouser Part No
652-TBU-DF085-050-WH

Bourns

Board Mount Surge Protectors 850V 50mA Dual Bi-dir TBU

Learn More

Datasheet

8,049In Stock

Cut Tape

$2.81

$1.90

$1.52

$1.51

View

Reel

$1.31

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Board Mount Surge Protectors Dual Unidirectional TBU Device

TBU-DT065-100-WH
Bourns
1: $2.30
9,316In Stock

Mfr. Part No.
TBU-DT065-100-WH

Mouser Part No
652-TBU-DT065-100-WH

Bourns

Board Mount Surge Protectors Dual Unidirectional TBU Device

Learn More

Datasheet

9,316In Stock

Cut Tape

$2.30

$1.92

$1.49

$1.25

Reel

$0.94

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Board Mount Surge Protectors Dual Unidirectional TBU Device

TBU-DT065-200-WH
Bourns
1: $2.13
9,500In Stock

Mfr. Part No.
TBU-DT065-200-WH

Mouser Part No
652-TBU-DT065-200-WH

Bourns

Board Mount Surge Protectors Dual Unidirectional TBU Device

Learn More

Datasheet

9,500In Stock

Cut Tape

$2.13

$1.49

$1.17

$1.06

$1.03

Reel

$0.962

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes DIO TVS VRWM 13V 1500W UNIDIR SMB

1.5SMBJ13A
Bourns
1: $0.75
9,498In Stock

Mfr. Part No.
1.5SMBJ13A

Mouser Part No
652-1.5SMBJ13A

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VRWM 13V 1500W UNIDIR SMB

Learn More

Datasheet

9,498In Stock

Cut Tape

$0.75

$0.337

$0.277

$0.266

Reel

$0.225

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 100V 1500W BiDir

1.5SMC100CA
Bourns
1: $0.61
13,834In Stock

Mfr. Part No.
1.5SMC100CA

Mouser Part No
652-1.5SMC100CA

Bourns

ESD Protection Diodes / TVS Diodes 100V 1500W BiDir

Learn More

Datasheet

13,834In Stock

Cut Tape

$0.61

$0.523

$0.359

$0.285

Reel

$0.248

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 12V 1500W BiDir

1.5SMC12CA
Bourns
1: $0.93
15,503In Stock

Mfr. Part No.
1.5SMC12CA

Mouser Part No
652-1.5SMC12CA

Bourns

ESD Protection Diodes / TVS Diodes 12V 1500W BiDir

Learn More

Datasheet

15,503In Stock

Cut Tape

$0.93

$0.579

$0.377

$0.29

Reel

$0.215

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Circuit Protection Devices

All Results (8,106)

Customer Service Office

Company

Resources

Support

Circuit Protection Devices

All Results (8,106)

Circuit Protection

Industrial Automation

Semiconductors

Thermal Management