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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 #

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 6.0A/16V

MF-LSMF600/16X-2
Bourns
1: $1.42
2,712In Stock
New Product

Mfr. Part No.
MF-LSMF600/16X-2

Mouser Part No
652-MF-LSMF600/16X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 6.0A/16V

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Datasheet

2,712In Stock

Cut Tape

$1.42

$1.06

$0.797

$0.778

View

Reel

$0.476

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/33V

MF-LSMF260/33X-2
Bourns
1: $1.33
2,784In Stock
New Product

Mfr. Part No.
MF-LSMF260/33X-2

Mouser Part No
652-MF-LSMF260/33X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/33V

Learn More

Datasheet

2,784In Stock

Cut Tape

$1.33

$0.99

$0.75

$0.733

View

Reel

$0.448

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 7.0A/12V

MF-LSMF700/12X-2
Bourns
1: $1.42
2,800In Stock
New Product

Mfr. Part No.
MF-LSMF700/12X-2

Mouser Part No
652-MF-LSMF700/12X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 7.0A/12V

Learn More

Datasheet

2,800In Stock

Cut Tape

$1.42

$1.06

$0.797

$0.778

View

Reel

$0.476

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.75A/72V

MF-LSMF075/72X-2
Bourns
1: $1.01
2,799In Stock
New Product

Mfr. Part No.
MF-LSMF075/72X-2

Mouser Part No
652-MF-LSMF075/72X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.75A/72V

Learn More

Datasheet

2,799In Stock

Cut Tape

$1.01

$0.758

$0.575

$0.556

View

Reel

$0.342

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.35A/72V

MF-LSMF035/72X-2
Bourns
1: $1.00
2,797In Stock
New Product

Mfr. Part No.
MF-LSMF035/72X-2

Mouser Part No
652-MF-LSMF035/72X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.35A/72V

Learn More

Datasheet

2,797In Stock

Cut Tape

$1.00

$0.757

$0.573

$0.555

View

Reel

$0.342

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.5A/72V

MF-LSMF050/72X-2
Bourns
1: $1.00
2,742In Stock
New Product

Mfr. Part No.
MF-LSMF050/72X-2

Mouser Part No
652-MF-LSMF050/72X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.5A/72V

Learn More

Datasheet

2,742In Stock

Cut Tape

$1.00

$0.757

$0.573

$0.555

View

Reel

$0.342

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.0A/33V

MF-LSMF200/33X-2
Bourns
1: $1.22
2,678In Stock
New Product

Mfr. Part No.
MF-LSMF200/33X-2

Mouser Part No
652-MF-LSMF200/33X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.0A/33V

Learn More

Datasheet

2,678In Stock

Cut Tape

$1.22

$0.909

$0.683

$0.668

View

Reel

$0.407

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes TVS 12V 3KW BID

SMLJ12CA-R
Bourns
1: $1.60
2,385In Stock
New Product

Mfr. Part No.
SMLJ12CA-R

Mouser Part No
652-SMLJ12CA-R

New Product

Bourns

ESD Protection Diodes / TVS Diodes TVS 12V 3KW BID

Learn More

Datasheet

2,385In Stock

Cut Tape

$1.60

$1.29

$1.02

$0.907

Reel

$0.502

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors HV GDT AECQ 6200V

SA2-A-6200-CBB-STD
Bourns
1: $4.98
998In Stock
New Product

Mfr. Part No.
SA2-A-6200-CBB-STD

Mouser Part No
652-SA2-A-6200-CBB

New Product

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors HV GDT AECQ 6200V

Datasheet

998In Stock

$4.98

$4.18

$3.26

$2.92

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

PTVS1-086C-H
Bourns
1: $5.42
9,860In Stock

Mfr. Part No.
PTVS1-086C-H

Mouser Part No
652-PTVS1-086C-H

Bourns

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

Learn More

Datasheet

9,860In Stock

Cut Tape

$5.42

$3.81

$3.29

$3.22

View

Reel

$2.85

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

PTVS1-029C-H
Bourns
1: $4.31
8,589In Stock

Mfr. Part No.
PTVS1-029C-H

Mouser Part No
652-PTVS1-029C-H

Bourns

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

Learn More

Datasheet

8,589In Stock

Cut Tape

$4.31

$2.87

$2.61

$2.54

View

Reel

$2.27

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

PTVS1-026C-H
Bourns
1: $4.31
10,418In Stock

Mfr. Part No.
PTVS1-026C-H

Mouser Part No
652-PTVS1-026C-H

Bourns

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

Learn More

Datasheet

10,418In Stock

Cut Tape

$4.31

$2.88

$2.61

$2.54

$2.38

Reel

$2.27

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

PTVS1-058C-H
Bourns
1: $4.61
10,411In Stock

Mfr. Part No.
PTVS1-058C-H

Mouser Part No
652-PTVS1-058C-H

Bourns

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

Learn More

Datasheet

10,411In Stock

Cut Tape

$4.61

$3.22

$2.76

$2.67

View

Reel

$2.29

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Thermal Cut-offs TCO, High Current, SMD, 90C, Self Hold AEC-Q200

SD90ABB
Bourns
1: $2.35
15,399In Stock

Mfr. Part No.
SD90ABB

Mouser Part No
652-SD90ABB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 90C, Self Hold AEC-Q200

Learn More

Datasheet

15,399In Stock

Cut Tape

$2.35

$2.17

$2.11

$1.80

View

Reel

$1.07

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

CFB1-150
Bourns
1: $62.86
33In Stock
New Product

Mfr. Part No.
CFB1-150

Mouser Part No
652-CFB1-150

New Product

Bourns

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

Learn More

Datasheet

33In Stock

$62.86

$56.77

$43.90

$42.47

View

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

CFB1-NF
Bourns
1: $51.94
22In Stock
New Product

Mfr. Part No.
CFB1-NF

Mouser Part No
652-CFB1-NF

New Product

Bourns

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

Learn More

Datasheet

22In Stock

$51.94

$43.08

$39.74

$32.22

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V

GDT35-35-S1-RP
Bourns
1: $1.78
1,587In Stock

Mfr. Part No.
GDT35-35-S1-RP

Mouser Part No
652-GDT35-35-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V

Learn More

Datasheet

1,587In Stock

Cut Tape

$1.78

$1.62

$1.36

$1.26

Reel

$0.897

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V

GDT35-42-S1-RP
Bourns
1: $1.78
1,965In Stock

Mfr. Part No.
GDT35-42-S1-RP

Mouser Part No
652-GDT35-42-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V

Learn More

Datasheet

1,965In Stock

Cut Tape

$1.78

$1.62

$1.36

$1.26

Reel

$0.897

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V

GDT35-47-S1-RP
Bourns
1: $1.78
1,762In Stock

Mfr. Part No.
GDT35-47-S1-RP

Mouser Part No
652-GDT35-47-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V

Learn More

Datasheet

1,762In Stock

Cut Tape

$1.78

$1.62

$1.36

$1.26

Reel

$0.911

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors 20mm Radial Disc MOV - Kinked Leads, T&R

MOV-20D621KKTR
Bourns
1: $1.77
4,761In Stock
6,000Expected 2026/10/19

Mfr. Part No.
MOV-20D621KKTR

Mouser Part No
652-MOV-20D621KKTR

Bourns

Varistors 20mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

4,761In Stock

6,000Expected 2026/10/19

Cut Tape

$1.77

$1.09

$0.749

Reel

$0.699

$0.618

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Varistors 14mm Radial Disc MOV - Kinked Leads, T&R

MOV-14D271KKTR
Bourns
1: $0.84
14,500In Stock
7,000Expected 2026/06/19

Mfr. Part No.
MOV-14D271KKTR

Mouser Part No
652-MOV-14D271KKTR

Bourns

Varistors 14mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

14,500In Stock

7,000Expected 2026/06/19

Cut Tape

$0.84

$0.506

$0.317

$0.279

Reel

$0.211

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Varistors 20mm Radial Disc MOV - Kinked Leads, T&R

MOV-20D301KKTR
Bourns
1: $1.29
7,690In Stock

Mfr. Part No.
MOV-20D301KKTR

Mouser Part No
652-MOV-20D301KKTR

Bourns

Varistors 20mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

7,690In Stock

Cut Tape

$1.29

$0.787

$0.515

Reel

$0.478

$0.406

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

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

PF-FB1-50
Bourns
1: $64.27
84In Stock

Mfr. Part No.
PF-FB1-50

Mouser Part No
652-PF-FB1-50

Bourns

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

Learn More

Datasheet

84In Stock

$64.27

$56.94

$51.70

$50.71

Min.: 1
Mult.: 1

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

PF-FB2-160
Bourns
1: $136.16
70In Stock

Mfr. Part No.
PF-FB2-160

Mouser Part No
652-PF-FB2-160

Bourns

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

Learn More

Datasheet

70In Stock

$136.16

$114.49

$88.77

$78.53

View

Min.: 1
Mult.: 1

Thermal Cut-offs TCO, High Current, SMD, 72C, Self Hold AEC-Q200

SD72ABB
Bourns
1: $2.59
2,657In Stock

Mfr. Part No.
SD72ABB

Mouser Part No
652-SD72ABB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 72C, Self Hold AEC-Q200

Learn More

Datasheet

2,657In Stock

Cut Tape

$2.59

$2.34

$2.07

$1.08

Reel

$1.07

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Circuit Protection Devices

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Circuit Protection Devices

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