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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 30V 1.35A-HD 40A MAX

MF-R135-2
Bourns
1: $0.734
10,330In Stock

Mfr. Part No.
MF-R135-2

Mouser Part No
652-MF-R135-2

Bourns

Resettable Fuses - PPTC 30V 1.35A-HD 40A MAX

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Datasheet

10,330In Stock

Cut Tape

$0.734

$0.559

$0.524

$0.396

Reel

$0.287

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 16V 5A-HD 100A MAX

MF-RG500-2
Bourns
1: $1.06
6,324In Stock

Mfr. Part No.
MF-RG500-2

Mouser Part No
652-MF-RG500-2

Bourns

Resettable Fuses - PPTC 16V 5A-HD 100A MAX

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Datasheet

6,324In Stock

Cut Tape

$1.06

$0.804

$0.753

$0.65

Reel

$0.583

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC PTC RESETTABLE 6A 16V RADIAL LEADED

MF-RG600-0
Bourns
1: $1.13
8,980In Stock

Mfr. Part No.
MF-RG600-0

Mouser Part No
652-MF-RG600-0

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 6A 16V RADIAL LEADED

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Datasheet

8,980In Stock

$1.13

$0.899

$0.828

$0.636

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 240V .25A-HD 3.5A MAX

MF-RM025/240-0
Bourns
1: $0.734
6,332In Stock

Mfr. Part No.
MF-RM025/240-0

Mouser Part No
652-MF-RM025/240-0

Bourns

Resettable Fuses - PPTC 240V .25A-HD 3.5A MAX

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Datasheet

6,332In Stock

$0.734

$0.681

$0.60

$0.562

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 250V 130MA-HD 3A MAX

MF-SD013/250-2
Bourns
1: $1.67
20,135In Stock

Mfr. Part No.
MF-SD013/250-2

Mouser Part No
652-MF-SD013/250-2

Bourns

Resettable Fuses - PPTC 250V 130MA-HD 3A MAX

Learn More

Datasheet

20,135In Stock

Cut Tape

$1.67

$1.50

$1.32

$0.967

View

Reel

$0.646

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Varistors PV 75V 10%

PV75K4032R2
Bourns
1: $1.13
5,859In Stock

Mfr. Part No.
PV75K4032R2

Mouser Part No
652-PV75K4032R2

Bourns

Varistors PV 75V 10%

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Datasheet

5,859In Stock

Cut Tape

$1.13

$0.721

$0.632

$0.59

Reel

$0.552

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7200volts 1pF BENT LEADS

SA2-7200-DBB-STD
Bourns
1: $4.68
1,305In Stock

Mfr. Part No.
SA2-7200-DBB-STD

Mouser Part No
652-SA2-7200-DBBSTD

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 7200volts 1pF BENT LEADS

Datasheet

1,305In Stock

Cut Tape

$4.68

$4.32

$3.59

$3.30

Reel

$2.39

View

Min.: 1
Mult.: 1

: 1,000

Surface Mount Fuses 3.15A 32V FAST ACTING

SF-0603FP315-2
Bourns
1: $0.979
19,479In Stock

Mfr. Part No.
SF-0603FP315-2

Mouser Part No
652-SF-0603FP315-2

Bourns

Surface Mount Fuses 3.15A 32V FAST ACTING

Learn More

Datasheet

19,479In Stock

Cut Tape

$0.979

$0.779

$0.656

$0.577

View

Reel

$0.363

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0603 time-lag met-foil. 4A Auto

SF-0603SPA400R-2
Bourns
1: $1.44
7,230In Stock

Mfr. Part No.
SF-0603SPA400R-2

Mouser Part No
652-SF-0603SPA400R-2

Bourns

Surface Mount Fuses 0603 time-lag met-foil. 4A Auto

Learn More

Datasheet

7,230In Stock

Cut Tape

$1.44

$1.15

$0.968

$0.84

View

Reel

$0.622

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0.8A Fast Acting 1206 SinglFuse

SF-1206F080-2
Bourns
1: $0.68
13,269In Stock

Mfr. Part No.
SF-1206F080-2

Mouser Part No
652-SF-1206F080-2

Bourns

Surface Mount Fuses 0.8A Fast Acting 1206 SinglFuse

Learn More

Datasheet

13,269In Stock

Cut Tape

$0.68

$0.604

$0.514

$0.48

View

Reel

$0.303

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 4A Fast Acting 1206 SinglFuse

SF-1206F400-2
Bourns
1: $0.598
17,518In Stock

Mfr. Part No.
SF-1206F400-2

Mouser Part No
652-SF-1206F400-2

Bourns

Surface Mount Fuses 4A Fast Acting 1206 SinglFuse

Learn More

Datasheet

17,518In Stock

Cut Tape

$0.598

$0.56

$0.488

$0.464

View

Reel

$0.34

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses .8A 63V FAST ACTING

SF-1206FP080-2
Bourns
1: $0.925
17,401In Stock

Mfr. Part No.
SF-1206FP080-2

Mouser Part No
652-SF-1206FP080-2

Bourns

Surface Mount Fuses .8A 63V FAST ACTING

Learn More

Datasheet

17,401In Stock

Cut Tape

$0.925

$0.736

$0.62

$0.544

View

Reel

$0.343

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL

TISP4070J3BJR-S
Bourns
1: $2.57
8,480In Stock

Mfr. Part No.
TISP4070J3BJR-S

Mouser Part No
652-TISP4070J3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL

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Datasheet

8,480In Stock

Cut Tape

$2.57

$1.65

$1.10

$0.801

$0.734

Reel

$0.718

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Miniature 3-Pole Gas Discharge Tube

2036-09-B2FLF
Bourns
1: $3.56
1,134In Stock

Mfr. Part No.
2036-09-B2FLF

Mouser Part No
652-2036-09-B2FLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Miniature 3-Pole Gas Discharge Tube

Datasheet

1,134In Stock

$3.56

$3.29

$2.73

$2.45

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/16V

MF-LSMF260/16X-2
Bourns
1: $1.05
7,826In Stock

Mfr. Part No.
MF-LSMF260/16X-2

Mouser Part No
652-MF-LSMF260/16X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/16V

Learn More

Datasheet

7,826In Stock

Cut Tape

$1.05

$0.84

$0.755

$0.57

View

Reel

$0.43

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 42V 200MA-HD 40A MAX

MF-MSHT020KX-2
Bourns
1: $1.02
8,996In Stock

Mfr. Part No.
MF-MSHT020KX-2

Mouser Part No
652-MF-MSHT020KX-2

Bourns

Resettable Fuses - PPTC 42V 200MA-HD 40A MAX

Learn More

Datasheet

8,996In Stock

Cut Tape

$1.02

$0.855

$0.752

$0.71

Reel

$0.57

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED

MF-R250-AP-10
Bourns
1: $0.68
11,510In Stock

Mfr. Part No.
MF-R250-AP-10

Mouser Part No
652-MF-R250-AP-10

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED

Learn More

Datasheet

11,510In Stock

$0.68

$0.627

$0.52

$0.475

Reel

$0.303

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 240V .55A-HD 7A MAX

MF-RM055/240-0
Bourns
1: $1.48
3,169In Stock

Mfr. Part No.
MF-RM055/240-0

Mouser Part No
652-MF-RM055/240-0

Bourns

Resettable Fuses - PPTC 240V .55A-HD 7A MAX

Learn More

Datasheet

3,169In Stock

$1.48

$1.37

$1.09

$1.04

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC PTC RESETTABLE 1.35A 72V RADIAL LEADED

MF-RX135/72-2-14
Bourns
1: $0.966
9,341In Stock

Mfr. Part No.
MF-RX135/72-2-14

Mouser Part No
652-MF-RX135/72-2-14

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 1.35A 72V RADIAL LEADED

Datasheet

9,341In Stock

Cut Tape

$0.966

$0.888

$0.737

$0.68

Reel

$0.354

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 1210 SMD High-Temp Polymer PTC, 16V/0.75

MF-USHT075KX-2
Bourns
1: $0.938
10,111In Stock

Mfr. Part No.
MF-USHT075KX-2

Mouser Part No
652-MF-USHT075KX-2

Bourns

Resettable Fuses - PPTC 1210 SMD High-Temp Polymer PTC, 16V/0.75

Learn More

Datasheet

10,111In Stock

Cut Tape

$0.938

$0.714

$0.67

$0.506

Reel

$0.367

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Thermal Cut-offs Trip Temp 72c 5c TOL

NR72AB0
Bourns
1: $2.11
3,041In Stock

Mfr. Part No.
NR72AB0

Mouser Part No
652-NR72AB0

Bourns

Thermal Cut-offs Trip Temp 72c 5c TOL

Learn More

Datasheet

3,041In Stock

$2.11

$1.99

$1.78

$1.56

View

Min.: 1
Mult.: 1

Thermal Cut-offs HC TCO 85C BL-51

SA85SB0
Bourns
1: $1.47
8,998In Stock

Mfr. Part No.
SA85SB0

Mouser Part No
652-SA85SB0

Bourns

Thermal Cut-offs HC TCO 85C BL-51

Learn More

Datasheet

8,998In Stock

Cut Tape

$1.47

$1.35

$1.12

$0.987

View

Reel

$0.624

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thermal Cut-offs 72C Low Profile SMD HC TCO

SC72AAB
Bourns
1: $1.44
4,983In Stock

Mfr. Part No.
SC72AAB

Mouser Part No
652-SC72AAB

Bourns

Thermal Cut-offs 72C Low Profile SMD HC TCO

Learn More

Datasheet

4,983In Stock

Cut Tape

$1.44

$1.32

$1.10

$1.01

View

Reel

$0.647

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 2A Fast Acting 0603 SinglFuse

SF-0603F200-2
Bourns
1: $0.707
20,471In Stock

Mfr. Part No.
SF-0603F200-2

Mouser Part No
652-SF-0603F200-2

Bourns

Surface Mount Fuses 2A Fast Acting 0603 SinglFuse

Learn More

Datasheet

20,471In Stock

Cut Tape

$0.707

$0.613

$0.536

$0.503

View

Reel

$0.371

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses .8A 32V TIME DELAY

SF-0603SP080-2
Bourns
1: $1.03
21,375In Stock

Mfr. Part No.
SF-0603SP080-2

Mouser Part No
652-SF-0603SP080-2

Bourns

Surface Mount Fuses .8A 32V TIME DELAY

Learn More

Datasheet

21,375In Stock

Cut Tape

$1.03

$0.821

$0.692

$0.608

View

Reel

$0.384

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Circuit Protection Devices

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