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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)

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Part #

ESD Protection Diodes / TVS Diodes 47V 600W BiDir

P6SMB47CA
Bourns
1: ¥98
13,228In Stock

Mfr. Part #
P6SMB47CA

Mouser Part #
652-P6SMB47CA

Bourns

ESD Protection Diodes / TVS Diodes 47V 600W BiDir

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Datasheet

13,228In Stock

Cut Tape

¥98

¥60.1

¥38.4

¥30.1

Reel

¥18.3

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 400A

PF-FB2-400
Bourns
1: ¥26,978
19In Stock

Mfr. Part #
PF-FB2-400

Mouser Part #
652-PF-FB2-400

Bourns

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 400A

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Datasheet

19In Stock

¥26,978

¥23,533

¥22,229.2

¥20,898.7

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 50A

PF-MB1-50
Bourns
1: ¥11,216.7
100In Stock

Mfr. Part #
PF-MB1-50

Mouser Part #
652-PF-MB1-50

Bourns

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 50A

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Datasheet

100In Stock

¥11,216.7

¥11,195.1

¥6,640.7

¥6,639

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes DIO TVS VWM 33V 7kW UNIDIR SM8SF AECQ

SM8SF33A-Q
Bourns
1: ¥609.6
660In Stock

Mfr. Part #
SM8SF33A-Q

Mouser Part #
652-SM8SF33A-Q

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 33V 7kW UNIDIR SM8SF AECQ

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Datasheet

660In Stock

Cut Tape

¥609.6

¥398.6

¥299

¥232.5

Reel

¥210.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes SMA6J - CA 18V

SMA6J18CA-Q
Bourns
1: ¥108
8,284In Stock

Mfr. Part #
SMA6J18CA-Q

Mouser Part #
652-SMA6J18CA-Q

Bourns

ESD Protection Diodes / TVS Diodes SMA6J - CA 18V

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Datasheet

8,284In Stock

Cut Tape

¥108

¥50.8

¥41.9

¥33.9

Reel

¥21.6

View

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes SMA6J - A 70V

SMA6J70A
Bourns
1: ¥84.7
11,337In Stock

Mfr. Part #
SMA6J70A

Mouser Part #
652-SMA6J70A

Bourns

ESD Protection Diodes / TVS Diodes SMA6J - A 70V

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Datasheet

11,337In Stock

Cut Tape

¥84.7

¥51.5

¥32.7

¥25.6

Reel

¥15.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 20volts 5uA 12.3 Amps Uni-Dir

SMAJ20A
Bourns
1: ¥49.8
13,380In Stock

Mfr. Part #
SMAJ20A

Mouser Part #
652-SMAJ20A

Bourns

ESD Protection Diodes / TVS Diodes 20volts 5uA 12.3 Amps Uni-Dir

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Datasheet

13,380In Stock

Cut Tape

¥49.8

¥26.1

¥20.9

¥16.8

Reel

¥12.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 22volts 400W 5% Bi-Dir. AEC-Q101

SMAJ22CA-Q
Bourns
1: ¥99.7
8,488In Stock

Mfr. Part #
SMAJ22CA-Q

Mouser Part #
652-SMAJ22CA-Q

Bourns

ESD Protection Diodes / TVS Diodes 22volts 400W 5% Bi-Dir. AEC-Q101

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Datasheet

8,488In Stock

Cut Tape

¥99.7

¥47.7

¥38.9

¥31.7

Reel

¥20.3

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes SMBJ - A 6.5V

SMBJ6.5A-Q
Bourns
1: ¥99.7
9,328In Stock

Mfr. Part #
SMBJ6.5A-Q

Mouser Part #
652-SMBJ6.5A-Q

Bourns

ESD Protection Diodes / TVS Diodes SMBJ - A 6.5V

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Datasheet

9,328In Stock

Cut Tape

¥99.7

¥47.7

¥38.9

¥31.7

Reel

¥21.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 58volts 5uA 16 Amps Uni-Dir

SMCJ58A-H
Bourns
1: ¥197.7
11,724In Stock

Mfr. Part #
SMCJ58A-H

Mouser Part #
652-SMCJ58A-H

Bourns

ESD Protection Diodes / TVS Diodes 58volts 5uA 16 Amps Uni-Dir

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Datasheet

11,724In Stock

Cut Tape

¥197.7

¥123.1

¥80.7

¥62.5

Reel

¥48.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

ESD Protection Diodes / TVS Diodes SMCJ - CA 75V

SMCJ75CA-Q
Bourns
1: ¥210.9
10,800In Stock

Mfr. Part #
SMCJ75CA-Q

Mouser Part #
652-SMCJ75CA-Q

Bourns

ESD Protection Diodes / TVS Diodes SMCJ - CA 75V

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Datasheet

10,800In Stock

Cut Tape

¥210.9

¥131.9

¥86.7

¥67.6

Reel

¥53

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 51volts 3kW 5% Uni-Dir. AEC-Q101

SMLJ51A-Q
Bourns
1: ¥207.6
4,272In Stock

Mfr. Part #
SMLJ51A-Q

Mouser Part #
652-SMLJ51A-Q

Bourns

ESD Protection Diodes / TVS Diodes 51volts 3kW 5% Uni-Dir. AEC-Q101

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Datasheet

4,272In Stock

Cut Tape

¥207.6

¥153.3

¥130.9

¥107.6

Reel

¥81.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 51volts 3kW 5% Uni-Dir. AEC-Q101

SMLJ51A-QH
Bourns
1: ¥403.6
1,255In Stock

Mfr. Part #
SMLJ51A-QH

Mouser Part #
652-SMLJ51A-QH

Bourns

ESD Protection Diodes / TVS Diodes 51volts 3kW 5% Uni-Dir. AEC-Q101

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Datasheet

1,255In Stock

Cut Tape

¥403.6

¥259.1

¥177.7

Reel

¥149.3

¥129.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Varistors SV 275 K 23 B L1

SV275K23BL1
Bourns
1: ¥634.5
1,662In Stock

Mfr. Part #
SV275K23BL1

Mouser Part #
652-SV275K23BL1

Bourns

Varistors SV 275 K 23 B L1

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Datasheet

1,662In Stock

¥634.5

¥503.3

¥461.8

¥418.6

View

Min.: 1
Mult.: 1

Varistors ZV 60V 10%

ZV60K1206121NIR1HT
Bourns
1: ¥53.2
7,850In Stock

Mfr. Part #
ZV60K1206121NIR1HT

Mouser Part #
652-ZV60K1206121NIRH

Bourns

Varistors ZV 60V 10%

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Datasheet

7,850In Stock

Cut Tape

¥53.2

¥33.6

¥28.9

¥26.7

Reel

¥24.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Industrial Surge Protectors AC SPD, 3W-G,690VAC

1250A-3S-600
Bourns
1: ¥48,112.5
5In Stock

Mfr. Part #
1250A-3S-600

Mouser Part #
652-1250A-3S-600

Bourns

Industrial Surge Protectors AC SPD, 3W-G,690VAC

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Datasheet

5In Stock

¥48,112.5

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 1.5SMC - CA 10.5V

1.5SMC6.8CA-Q
Bourns
1: ¥210.9
18,200In Stock

Mfr. Part #
1.5SMC6.8CA-Q

Mouser Part #
652-1.5SMC6.8CA-Q

Bourns

ESD Protection Diodes / TVS Diodes 1.5SMC - CA 10.5V

Learn More

Datasheet

18,200In Stock

Cut Tape

¥210.9

¥131.9

¥86.7

¥67.6

Reel

¥53

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90volts 3E RAD GDT 6X8mm DIA

2056-09-B3LF
Bourns
1: ¥235.9
1,746In Stock

Mfr. Part #
2056-09-B3LF

Mouser Part #
652-2056-09-B3LF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90volts 3E RAD GDT 6X8mm DIA

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Datasheet

1,746In Stock

¥235.9

¥217.6

¥169.4

¥163.4

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 05.5x6mm, 1200V

2089-120-BLF
Bourns
1: ¥187.7
1,431In Stock

Mfr. Part #
2089-120-BLF

Mouser Part #
652-2089-120-BLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 05.5x6mm, 1200V

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Datasheet

1,431In Stock

¥187.7

¥172.7

¥143

¥131.9

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 05.5x6mm, 1600V HV Axial GDT

2089-160-BLF
Bourns
1: ¥187.7
1,439In Stock

Mfr. Part #
2089-160-BLF

Mouser Part #
652-2089-160-BLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 05.5x6mm, 1600V HV Axial GDT

Learn More

Datasheet

1,439In Stock

¥187.7

¥172.7

¥143

¥131.9

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5V 5kW UNIDIR SMC

5.0SMDJ5.0A
Bourns
1: ¥357.1
6,432In Stock

Mfr. Part #
5.0SMDJ5.0A

Mouser Part #
652-5.0SMDJ5.0A

Bourns

ESD Protection Diodes / TVS Diodes 5V 5kW UNIDIR SMC

Learn More

Datasheet

6,432In Stock

Cut Tape

¥357.1

¥194.3

¥160.8

¥144

Reel

¥118.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes DIO TVS VWM 5.0V 5kW BIDIR SMC AECQ

5.0SMDJ5.0CA-QH
Bourns
1: ¥634.5
908In Stock

Mfr. Part #
5.0SMDJ5.0CA-QH

Mouser Part #
652-5.0SMDJ5.0CA-QH

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 5.0V 5kW BIDIR SMC AECQ

Learn More

Datasheet

908In Stock

Cut Tape

¥634.5

¥415.3

¥323.9

Reel

¥272.4

¥230.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Varistors AVHT AUTO SERIES 17V

AV17K2220122NIR1HT
Bourns
1: ¥304
6,205In Stock

Mfr. Part #
AV17K2220122NIR1HT

Mouser Part #
652-AV17K2220122NI1H

Bourns

Varistors AVHT AUTO SERIES 17V

Learn More

Datasheet

6,205In Stock

Cut Tape

¥304

¥220.9

¥192.7

¥164.6

Reel

¥123.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC Ceramic PTC

CMF-SDP25-2
Bourns
1: ¥212.6
6,950In Stock

Mfr. Part #
CMF-SDP25-2

Mouser Part #
652-CMF-SDP25-2

Bourns

Resettable Fuses - PPTC Ceramic PTC

Learn More

Datasheet

6,950In Stock

Cut Tape

¥212.6

¥191

¥149.7

¥136.7

Reel

¥136.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 350

Varistors CV 275 K 10 B L1

CV275K10BL1
Bourns
1: ¥280.7
14,267In Stock

Mfr. Part #
CV275K10BL1

Mouser Part #
652-CV275K10BL1

Bourns

Varistors CV 275 K 10 B L1

Learn More

Datasheet

14,267In Stock

¥280.7

¥172.7

¥114.3

¥106.8

View

Min.: 1
Mult.: 1

Circuit Protection Devices

All Results (8,016)

Circuit Protection

Industrial Automation

Semiconductors

Thermal Management