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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 33volts 3kW 5% Uni-Dir. AEC-Q101

SMLJ33A-Q
Bourns
1: ¥204.3
1,899In Stock

Mfr. Part #
SMLJ33A-Q

Mouser Part #
652-SMLJ33A-Q

Bourns

ESD Protection Diodes / TVS Diodes 33volts 3kW 5% Uni-Dir. AEC-Q101

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Datasheet

1,899In Stock

Cut Tape

¥204.3

¥147.5

¥121.4

¥107.6

Reel

¥79.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors SV 550 K 23 B L1

SV550K23BL1
Bourns
1: ¥779
2,540In Stock

Mfr. Part #
SV550K23BL1

Mouser Part #
652-SV550K23BL1

Bourns

Varistors SV 550 K 23 B L1

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Datasheet

2,540In Stock

¥779

¥559.8

¥549.8

¥465.1

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes DIO TVS VRWM 30V 1500W UNIDIR SMB 7" REEL

1.5SMBJ30A-H
Bourns
1: ¥182.7
2,963In Stock

Mfr. Part #
1.5SMBJ30A-H

Mouser Part #
652-1.5SMBJ30A-H

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VRWM 30V 1500W UNIDIR SMB 7" REEL

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Datasheet

2,963In Stock

Cut Tape

¥182.7

¥75.6

¥66.8

Reel

¥53.2

¥45.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes DIO TVS VWM 110V 5kW UNIDIR SMC AECQ

5.0SMDJ110A-QH
Bourns
1: ¥674.4
900In Stock

Mfr. Part #
5.0SMDJ110A-QH

Mouser Part #
652-5.0SMDJ110A-QH

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 110V 5kW UNIDIR SMC AECQ

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Datasheet

900In Stock

Cut Tape

¥674.4

¥483.4

Reel

¥451.8

¥443.5

¥242.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 7.5V 5kW UNIDIR SMC

5.0SMDJ7.5A
Bourns
1: ¥388.7
8,679In Stock

Mfr. Part #
5.0SMDJ7.5A

Mouser Part #
652-5.0SMDJ7.5A

Bourns

ESD Protection Diodes / TVS Diodes 7.5V 5kW UNIDIR SMC

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Datasheet

8,679In Stock

Cut Tape

¥388.7

¥204.3

¥171.1

¥144

Reel

¥115.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors CG Auto MLV 1206, 500pF AEC-Q200

CGA1206MLA-38501E
Bourns
1: ¥181
2,361In Stock

Mfr. Part #
CGA1206MLA-38501E

Mouser Part #
652-CGA1206MLA38501E

Bourns

Varistors CG Auto MLV 1206, 500pF AEC-Q200

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Datasheet

2,361In Stock

Cut Tape

¥181

¥117.6

¥103.8

¥97.2

Reel

¥77.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC RESETTABLE FUSE 220VOLT 25OHM

CMF-RL50-0
Bourns
1: ¥117.9
3,323In Stock

Mfr. Part #
CMF-RL50-0

Mouser Part #
652-CMF-RL50-0

Bourns

Resettable Fuses - PPTC RESETTABLE FUSE 220VOLT 25OHM

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Datasheet

3,323In Stock

¥117.9

¥105.8

¥90

¥74.9

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC RESETTABLE FUSE 230VOLT 55OHM

CMF-RL55A-10-0
Bourns
1: ¥132.9
9,080In Stock

Mfr. Part #
CMF-RL55A-10-0

Mouser Part #
652-CMF-RL55A-10-0

Bourns

Resettable Fuses - PPTC RESETTABLE FUSE 230VOLT 55OHM

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Datasheet

9,080In Stock

¥132.9

¥119.9

¥101

¥85

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V 3.8A-HD 50A SMD

MF-NSML380/6-2
Bourns
1: ¥134.5
3,719In Stock

Mfr. Part #
MF-NSML380/6-2

Mouser Part #
652-MF-NSML380/6-2

Bourns

Resettable Fuses - PPTC 6V 3.8A-HD 50A SMD

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Datasheet

3,719In Stock

Cut Tape

¥134.5

¥103.1

¥96.7

¥73.1

Reel

¥54

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

Resettable Fuses - PPTC 6V 5.0A-HD 20A PTC

MF-NSML500/6-2
Bourns
1: ¥134.5
5,265In Stock

Mfr. Part #
MF-NSML500/6-2

Mouser Part #
652-MF-NSML500/6-2

Bourns

Resettable Fuses - PPTC 6V 5.0A-HD 20A PTC

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Datasheet

5,265In Stock

Cut Tape

¥134.5

¥103.1

¥96.7

¥73.1

View

Reel

¥54

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

Varistors 200volts 20mm

MOV-20D201KTR
Bourns
1: ¥117.9
4,120In Stock

Mfr. Part #
MOV-20D201KTR

Mouser Part #
652-MOV-20D201KTR

Bourns

Varistors 200volts 20mm

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Datasheet

4,120In Stock

Cut Tape

¥117.9

¥75.1

¥65.6

Reel

¥60.1

¥57

View

Min.: 1
Mult.: 1

: 250

Thermal Cutoffs Polymer Thermal Cut-Off, 1206, 12V/3.5A

P-TCO-N350/12-2
Bourns
1: ¥117.9
3,206In Stock

Mfr. Part #
P-TCO-N350/12-2

Mouser Part #
652-P-TCO-N350/12-2

Bourns

Thermal Cutoffs Polymer Thermal Cut-Off, 1206, 12V/3.5A

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Datasheet

3,206In Stock

Cut Tape

¥117.9

¥96.3

¥80.6

¥68.9

View

Reel

¥44.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

ESD Protection Diodes / TVS Diodes 10V 600W BiDir

P6SMB10CA
Bourns
1: ¥94.7
8,940In Stock

Mfr. Part #
P6SMB10CA

Mouser Part #
652-P6SMB10CA

Bourns

ESD Protection Diodes / TVS Diodes 10V 600W BiDir

Learn More

Datasheet

8,940In Stock

Cut Tape

¥94.7

¥58.3

¥37.2

¥30.1

Reel

¥20.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 11V 600W BiDir

P6SMB11CA
Bourns
1: ¥94.7
13,536In Stock

Mfr. Part #
P6SMB11CA

Mouser Part #
652-P6SMB11CA

Bourns

ESD Protection Diodes / TVS Diodes 11V 600W BiDir

Learn More

Datasheet

13,536In Stock

Cut Tape

¥94.7

¥45.3

¥37.2

¥30.1

Reel

¥20.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 180V 600W BiDir

P6SMB180CA
Bourns
1: ¥99.7
5,690In Stock

Mfr. Part #
P6SMB180CA

Mouser Part #
652-P6SMB180CA

Bourns

ESD Protection Diodes / TVS Diodes 180V 600W BiDir

Learn More

Datasheet

5,690In Stock

Cut Tape

¥99.7

¥57.8

¥44.7

¥36

Reel

¥29.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 550V 600W BiDir

P6SMB550CA-H
Bourns
1: ¥161.1
9,499In Stock

Mfr. Part #
P6SMB550CA-H

Mouser Part #
652-P6SMB550CA-H

Bourns

ESD Protection Diodes / TVS Diodes 550V 600W BiDir

Learn More

Datasheet

9,499In Stock

Cut Tape

¥161.1

¥99.7

¥64.6

Reel

¥49.3

¥44.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 50A

PF-FB1-50
Bourns
1: ¥11,296.5
82In Stock

Mfr. Part #
PF-FB1-50

Mouser Part #
652-PF-FB1-50

Bourns

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 50A

Learn More

Datasheet

82In Stock

¥11,296.5

¥9,904.5

¥9,014.2

¥8,427.9

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 160A

PF-FB2-160
Bourns
1: ¥22,921.8
70In Stock

Mfr. Part #
PF-FB2-160

Mouser Part #
652-PF-FB2-160

Bourns

Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 160A

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Datasheet

70In Stock

¥22,921.8

¥19,013.5

¥14,655

¥13,143.5

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse TH 500Vac 125Vdc 40A

PF-JT3-40
Bourns
1: ¥3,617.7
410In Stock

Mfr. Part #
PF-JT3-40

Mouser Part #
652-PF-JT3-40

Bourns

Industrial & Electrical Fuses POWrFuse TH 500Vac 125Vdc 40A

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Datasheet

410In Stock

¥3,617.7

¥2,491.5

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 125A

PF-MB1-125
Bourns
1: ¥13,915.9
57In Stock

Mfr. Part #
PF-MB1-125

Mouser Part #
652-PF-MB1-125

Bourns

Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 125A

Learn More

Datasheet

57In Stock

¥13,915.9

¥12,746.5

¥11,753.2

¥8,222

Min.: 1
Mult.: 1

Surface Mount Fuses 5A 35V FAST ACTING

SF-0402FP500F-2
Bourns
1: ¥126.2
15,811In Stock

Mfr. Part #
SF-0402FP500F-2

Mouser Part #
652-SF-0402FP500F-2

Bourns

Surface Mount Fuses 5A 35V FAST ACTING

Learn More

Datasheet

15,811In Stock

Cut Tape

¥126.2

¥100.3

¥84.5

¥74.2

View

Reel

¥47

MouseReel Available

Min.: 1
Mult.: 1

: 20,000

Surface Mount Fuses 2410 Fast-Precision Tube 0.5A

SF-2410FP050T-2
Bourns
1: ¥106.3
6,073In Stock

Mfr. Part #
SF-2410FP050T-2

Mouser Part #
652-SF-2410FP050T-2

Bourns

Surface Mount Fuses 2410 Fast-Precision Tube 0.5A

Learn More

Datasheet

6,073In Stock

Cut Tape

¥106.3

¥84.5

¥71.3

¥62.6

Reel

¥47.8

View

Min.: 1
Mult.: 1

: 2,000

Surface Mount Fuses 2410 High-Inrush Tube 1.5A

SF-2410HI150T-2
Bourns
1: ¥137.9
2,738In Stock

Mfr. Part #
SF-2410HI150T-2

Mouser Part #
652-SF-2410HI150T-2

Bourns

Surface Mount Fuses 2410 High-Inrush Tube 1.5A

Learn More

Datasheet

2,738In Stock

Cut Tape

¥137.9

¥121.1

¥105.1

¥92.7

Reel

¥68.6

View

Min.: 1
Mult.: 1

: 2,000

ESD Protection Diodes / TVS Diodes DIO TVS VWM 12V 600W BIDIR SMA AECQ

SMA6J12CA-Q
Bourns
1: ¥108
11,535In Stock

Mfr. Part #
SMA6J12CA-Q

Mouser Part #
652-SMA6J12CA-Q

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 12V 600W BIDIR SMA AECQ

Learn More

Datasheet

11,535In Stock

Cut Tape

¥108

¥50.8

¥41.9

¥33.9

Reel

¥21.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes DIO TVS VWM 6V 600W UNIDIR SMA AECQ

SMA6J6.0A-Q
Bourns
1: ¥96.3
11,369In Stock

Mfr. Part #
SMA6J6.0A-Q

Mouser Part #
652-SMA6J6.0A-Q

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 6V 600W UNIDIR SMA AECQ

Learn More

Datasheet

11,369In Stock

Cut Tape

¥96.3

¥59.1

¥37.7

¥30.4

Reel

¥19.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Circuit Protection Devices

All Results (8,016)

Circuit Protection

Industrial Automation

Semiconductors

Thermal Management