.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 (8,016)

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 14volts 5uA 25.8 Amps Bi-Dir

SMBJ14CA
Bourns
1: ¥91.4
21,147In Stock

Mfr. Part #
SMBJ14CA

Mouser Part #
652-SMBJ14CA

Bourns

ESD Protection Diodes / TVS Diodes 14volts 5uA 25.8 Amps Bi-Dir

Learn More

Datasheet

21,147In Stock

Cut Tape

¥91.4

¥44.5

¥36

¥29.4

Reel

¥16.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMBJ150CA
Bourns
1: ¥99.7
38,838In Stock

Mfr. Part #
SMBJ150CA

Mouser Part #
652-SMBJ150CA

Bourns

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

Learn More

Datasheet

38,838In Stock

Cut Tape

¥99.7

¥51.3

¥42.9

¥34.2

Reel

¥24.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMBJ350A
Bourns
1: ¥144.5
10,651In Stock

Mfr. Part #
SMBJ350A

Mouser Part #
652-SMBJ350A

Bourns

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

Learn More

Datasheet

10,651In Stock

Cut Tape

¥144.5

¥89.4

¥57.8

¥44.3

Reel

¥34.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes SMBJ - A 90V

SMBJ90A-Q
Bourns
1: ¥116.3
12,737In Stock

Mfr. Part #
SMBJ90A-Q

Mouser Part #
652-SMBJ90A-Q

Bourns

ESD Protection Diodes / TVS Diodes SMBJ - A 90V

Learn More

Datasheet

12,737In Stock

Cut Tape

¥116.3

¥71.3

¥45.7

¥34.7

Reel

¥26.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes SMCJ - CA 120V

SMCJ120CA-Q
Bourns
1: ¥227.6
4,702In Stock

Mfr. Part #
SMCJ120CA-Q

Mouser Part #
652-SMCJ120CA-Q

Bourns

ESD Protection Diodes / TVS Diodes SMCJ - CA 120V

Learn More

Datasheet

4,702In Stock

Cut Tape

¥227.6

¥143.8

¥95.3

¥74.7

Reel

¥57.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ18CA-Q
Bourns
1: ¥210.9
10,862In Stock

Mfr. Part #
SMCJ18CA-Q

Mouser Part #
652-SMCJ18CA-Q

Bourns

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

Learn More

Datasheet

10,862In Stock

Cut Tape

¥210.9

¥87.7

¥68.3

¥55.6

Reel

¥47.3

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ300A
Bourns
1: ¥184.4
7,597In Stock

Mfr. Part #
SMCJ300A

Mouser Part #
652-SMCJ300A

Bourns

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

Learn More

Datasheet

7,597In Stock

Cut Tape

¥184.4

¥90.2

¥71.8

¥65.4

Reel

¥55.3

¥49.8

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 33volts 1.5kW 5% Uni-Dir. AEC-Q101

SMCJ33A-Q
Bourns
1: ¥197.7
11,870In Stock

Mfr. Part #
SMCJ33A-Q

Mouser Part #
652-SMCJ33A-Q

Bourns

ESD Protection Diodes / TVS Diodes 33volts 1.5kW 5% Uni-Dir. AEC-Q101

Learn More

Datasheet

11,870In Stock

Cut Tape

¥197.7

¥92.8

¥79.2

¥62.5

Reel

¥47.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes SMCJ - CA 5V

SMCJ5.0CA-Q
Bourns
1: ¥210.9
11,514In Stock

Mfr. Part #
SMCJ5.0CA-Q

Mouser Part #
652-SMCJ5.0CA-Q

Bourns

ESD Protection Diodes / TVS Diodes SMCJ - CA 5V

Learn More

Datasheet

11,514In Stock

Cut Tape

¥210.9

¥102.8

¥86.7

¥67.6

Reel

¥53

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 54volts 1.5kW 5% Bi-Dir. AEC-Q101

SMCJ54CA-Q
Bourns
1: ¥210.9
6,743In Stock

Mfr. Part #
SMCJ54CA-Q

Mouser Part #
652-SMCJ54CA-Q

Bourns

ESD Protection Diodes / TVS Diodes 54volts 1.5kW 5% Bi-Dir. AEC-Q101

Learn More

Datasheet

6,743In Stock

Cut Tape

¥210.9

¥102.8

¥86.7

¥67.6

Reel

¥53

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes SMCJ - A 6V

SMCJ6.0A-Q
Bourns
1: ¥197.7
10,281In Stock

Mfr. Part #
SMCJ6.0A-Q

Mouser Part #
652-SMCJ6.0A-Q

Bourns

ESD Protection Diodes / TVS Diodes SMCJ - A 6V

Learn More

Datasheet

10,281In Stock

Cut Tape

¥197.7

¥123.1

¥80.7

¥62.5

Reel

¥48.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMCJ9.0A
Bourns
1: ¥144.5
10,165In Stock

Mfr. Part #
SMCJ9.0A

Mouser Part #
652-SMCJ9.0A

Bourns

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

Learn More

Datasheet

10,165In Stock

Cut Tape

¥144.5

¥70.9

¥44.8

¥35.7

Reel

¥29.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

SMLJ12CA
Bourns
1: ¥196
3,058In Stock

Mfr. Part #
SMLJ12CA

Mouser Part #
652-SMLJ12CA

Bourns

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

Learn More

Datasheet

3,058In Stock

Cut Tape

¥196

¥112

¥94.8

¥79.1

Reel

¥75.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 7.5volts 100uA 232.6 Amps Uni-Dir

SMLJ7.5A
Bourns
1: ¥172.7
7,748In Stock

Mfr. Part #
SMLJ7.5A

Mouser Part #
652-SMLJ7.5A

Bourns

ESD Protection Diodes / TVS Diodes 7.5volts 100uA 232.6 Amps Uni-Dir

Learn More

Datasheet

7,748In Stock

Cut Tape

¥172.7

¥133.2

¥109

¥89.7

Reel

¥69.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 7.5volts 100uA 232.6 Amps Bi-Dir

SMLJ7.5CA
Bourns
1: ¥196
6,404In Stock

Mfr. Part #
SMLJ7.5CA

Mouser Part #
652-SMLJ7.5CA

Bourns

ESD Protection Diodes / TVS Diodes 7.5volts 100uA 232.6 Amps Bi-Dir

Learn More

Datasheet

6,404In Stock

Cut Tape

¥196

¥146.7

¥123.6

¥101.7

Reel

¥79.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 90volts 5uA 20.6 Amps Bi-Dir

SMLJ90CA
Bourns
1: ¥214.3
7,576In Stock

Mfr. Part #
SMLJ90CA

Mouser Part #
652-SMLJ90CA

Bourns

ESD Protection Diodes / TVS Diodes 90volts 5uA 20.6 Amps Bi-Dir

Learn More

Datasheet

7,576In Stock

Cut Tape

¥214.3

¥157.3

¥135.2

¥111.1

Reel

¥86.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

TBU-DF085-050-WH
Bourns
1: ¥579.7
7,541In Stock

Mfr. Part #
TBU-DF085-050-WH

Mouser Part #
652-TBU-DF085-050-WH

Bourns

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

Learn More

Datasheet

7,541In Stock

Cut Tape

¥579.7

¥460.1

¥310.6

¥267.4

¥242.5

Reel

¥232.5

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Board Mount Surge Protectors Dual Unidirectional TBU Device

TBU-DT065-100-WH
Bourns
1: ¥383.7
8,234In Stock

Mfr. Part #
TBU-DT065-100-WH

Mouser Part #
652-TBU-DT065-100-WH

Bourns

Board Mount Surge Protectors Dual Unidirectional TBU Device

Learn More

Datasheet

8,234In Stock

Cut Tape

¥383.7

¥335.5

¥232.5

¥187.7

Reel

¥145.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Thyristor Surge Protection Devices - TSPD 145V(DRM) 600A (IPP) 180V(B

TISP4180H3BJR-S
Bourns
1: ¥222.6
13,541In Stock

Mfr. Part #
TISP4180H3BJR-S

Mouser Part #
652-TISP4180H3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 145V(DRM) 600A (IPP) 180V(B

Learn More

Datasheet

13,541In Stock

Cut Tape

¥222.6

¥139.7

¥92.2

¥71.9

Reel

¥55.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors ZV 11V 10%

ZV11K1210401NIR1
Bourns
1: ¥56.5
13,927In Stock

Mfr. Part #
ZV11K1210401NIR1

Mouser Part #
652-ZV11K1210401NIR1

Bourns

Varistors ZV 11V 10%

Learn More

Datasheet

13,927In Stock

Cut Tape

¥56.5

¥34.9

¥30.1

¥27.7

Reel

¥22.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Varistors ZV 20V 10%

ZV20K2220122NIR1HT
Bourns
1: ¥373.7
2,453In Stock

Mfr. Part #
ZV20K2220122NIR1HT

Mouser Part #
652-ZV20K2220122NIRH

Bourns

Varistors ZV 20V 10%

Learn More

Datasheet

2,453In Stock

Cut Tape

¥373.7

¥252.5

¥215.9

¥181

Reel

¥123.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors ZV 40V 10%

ZV40K1210251NIR1HT
Bourns
1: ¥66.4
13,294In Stock

Mfr. Part #
ZV40K1210251NIR1HT

Mouser Part #
652-ZV40K1210251NIRH

Bourns

Varistors ZV 40V 10%

Learn More

Datasheet

13,294In Stock

Cut Tape

¥66.4

¥46.5

¥40.4

¥37.4

Reel

¥32.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Varistors ZV 40V 10%

ZV40K1812601NIR1
Bourns
1: ¥126.2
9,641In Stock

Mfr. Part #
ZV40K1812601NIR1

Mouser Part #
652-ZV40K1812601NIR1

Bourns

Varistors ZV 40V 10%

Learn More

Datasheet

9,641In Stock

Cut Tape

¥126.2

¥80.7

¥70.6

¥65.8

Reel

¥60.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

ESD Protection Diodes / TVS Diodes 150V 1500W UniDir

1.5SMC150A
Bourns
1: ¥167.8
11,323In Stock

Mfr. Part #
1.5SMC150A

Mouser Part #
652-1.5SMC150A

Bourns

ESD Protection Diodes / TVS Diodes 150V 1500W UniDir

Learn More

Datasheet

11,323In Stock

Cut Tape

¥167.8

¥81.2

¥68.4

¥52.8

Reel

¥41.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 200V 1500W BiDir

1.5SMC200CA
Bourns
1: ¥227.6
13,230In Stock

Mfr. Part #
1.5SMC200CA

Mouser Part #
652-1.5SMC200CA

Bourns

ESD Protection Diodes / TVS Diodes 200V 1500W BiDir

Learn More

Datasheet

13,230In Stock

Cut Tape

¥227.6

¥143.8

¥95.3

¥74.7

Reel

¥57.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Circuit Protection Devices

All Results (8,016)

Circuit Protection

Industrial Automation

Semiconductors

Thermal Management