Circuit Protection Kits

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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.

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Part #

Circuit Protection Kits Design Kit Next-Generation GDT25

DK-GDT25-02
Bourns
1: S/79.87
65In Stock

Mfr. Part #
DK-GDT25-02

Mouser Part #
652-DK-GDT25-02

Bourns

Circuit Protection Kits Design Kit Next-Generation GDT25

Datasheet

65In Stock

S/79.87

S/76.53

Min.: 1
Mult.: 1

GDT25

Bulk

Circuit Protection Kits 3KW TVS Diodes SMC PKG Design Kit

CD-LAB9
Bourns
1: S/265.39
1In Stock

Mfr. Part #
CD-LAB9

Mouser Part #
652-CD-LAB9

Bourns

Circuit Protection Kits 3KW TVS Diodes SMC PKG Design Kit

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Datasheet

1In Stock

S/265.39

S/177.65

S/166.83

Min.: 1
Mult.: 1

CD-LAB

TVS Diode Kits

TVS Diodes Design Kit

Bulk

Circuit Protection Kits Test Set

4030-01
Bourns
1: S/5,821.31
16In Stock

Mfr. Part #
4030-01

Mouser Part #
652-4030-01

Bourns

Circuit Protection Kits Test Set

Datasheet

16In Stock

S/5,821.31

Min.: 1
Mult.: 1

4030-0X

Test Sets

Battery Operated Tester

Bulk

Circuit Protection Kits NextGen GDT28H, Design kit

DK-GDT28H-01
Bourns
1: S/129.35
8In Stock

Mfr. Part #
DK-GDT28H-01

Mouser Part #
652-DK-GDT28H-01

Bourns

Circuit Protection Kits NextGen GDT28H, Design kit

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Datasheet

8In Stock

S/129.35

S/111.21

S/104.09

S/100.66

View

Min.: 1
Mult.: 1

GDT28

Design Kits

Bulk

Circuit Protection Kits 10each 32 values

CD-LAB6
Bourns
1: S/99.57
5In Stock

Mfr. Part #
CD-LAB6

Mouser Part #
652-CD-LAB6

Bourns

Circuit Protection Kits 10each 32 values

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Datasheet

5In Stock

S/99.57

S/86.45

S/85.71

S/83.42

Min.: 1
Mult.: 1

CD-LAB

Design Kits

ESD Protection

Bulk

Circuit Protection Kits DESN KIT NXT GEN GDT25

DK-GDT25-01
Bourns
1: S/91.43
2In Stock

Mfr. Part #
DK-GDT25-01

Mouser Part #
652-DK-GDT25-01

Bourns

Circuit Protection Kits DESN KIT NXT GEN GDT25

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Datasheet

2In Stock

S/91.43

S/62.20

S/61.31

S/59.24

View

Min.: 1
Mult.: 1

GDT25

Gas Discharge Tube Kits

Design Kit Next-Generation GDT25

Bulk

Circuit Protection Kits ISOMOV Design kit

DK-IsoMOV-02
Bourns
1: S/386.60
3In Stock

Mfr. Part #
DK-IsoMOV-02

Mouser Part #
652-DK-ISOMOV-02

Bourns

Circuit Protection Kits ISOMOV Design kit

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Datasheet

3In Stock

S/386.60

S/340.91

S/306.26

S/305.87

Min.: 1
Mult.: 1

IsoMOV Design Kit

Design Kits

Hybrid Protection

Bulk

Circuit Protection Kits ISOMOV Design kit

DK-IsoMOV-03
Bourns
1: S/318.21
2In Stock

Mfr. Part #
DK-IsoMOV-03

Mouser Part #
652-DK-ISOMOV-03

Bourns

Circuit Protection Kits ISOMOV Design kit

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Datasheet

2In Stock

S/318.21

S/283.76

S/257.57

S/250.25

Min.: 1
Mult.: 1

IsoMOV Design Kit

Design Kits

Hybrid Protection

Bulk

Circuit Protection Kits ISOMOV Design kit

DK-IsoMOV-04
Bourns
1: S/180.53
1In Stock

Mfr. Part #
DK-IsoMOV-04

Mouser Part #
652-DK-ISOMOV-04

Bourns

Circuit Protection Kits ISOMOV Design kit

Learn More

Datasheet

1In Stock

S/180.53

S/179.91

S/179.68

Min.: 1
Mult.: 1

IsoMOV Design Kit

Design Kits

Hybrid Protection

Bulk

Circuit Protection Kits 5KW TVS Diodes SMC PKG Design Kit

CD-LAB10
Bourns
1: S/427.90
3In Stock

Mfr. Part #
CD-LAB10

Mouser Part #
652-CD-LAB10

Bourns

Circuit Protection Kits 5KW TVS Diodes SMC PKG Design Kit

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Datasheet

3In Stock

S/427.90

S/288.08

S/278.04

Min.: 1
Mult.: 1

CD-LAB

TVS Diode Kits

TVS Diodes Design Kit

Bulk

Circuit Protection Kits 10each 32 values

CD-LAB4
Bourns
1: S/146.83
5In Stock

Mfr. Part #
CD-LAB4

Mouser Part #
652-CD-LAB4

Bourns

Circuit Protection Kits 10each 32 values

Learn More

Datasheet

5In Stock

S/146.83

S/128.72

S/117.67

S/111.25

Min.: 1
Mult.: 1

CD-LAB

Design Kits

Discrete TVS Diode

Bulk

Circuit Protection Kits 10each 32 values

CD-LAB2
Bourns
1: S/173.64
7Expected 10/5/2026

Mfr. Part #
CD-LAB2

Mouser Part #
652-CD-LAB2

Bourns

Circuit Protection Kits 10each 32 values

Learn More

Datasheet

7Expected 10/5/2026

S/173.64

S/150.83

S/150.17

Min.: 1
Mult.: 1

CD-LAB

Design Kits

Schottky Rectifier

Bulk

Circuit Protection Kits 10each 32 values

CD-LAB3
Bourns
1: S/97.70
6On Order

Mfr. Part #
CD-LAB3

Mouser Part #
652-CD-LAB3

Bourns

Circuit Protection Kits 10each 32 values

Learn More

Datasheet

6On Order

S/97.70

S/93.34

S/84.90

Min.: 1
Mult.: 1

CD-LAB

Design Kits

Discrete TVS Diode

Bulk

Circuit Protection Kits ISOMOV Design kit

DK-IsoMOV-01
Bourns
1: S/137.91
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
DK-IsoMOV-01

Mouser Part #
652-DK-ISOMOV-01

Bourns

Circuit Protection Kits ISOMOV Design kit

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

S/137.91

S/137.44

S/137.25

S/137.13

Quote

Min.: 1
Mult.: 1

IsoMOV Design Kit

Design Kits

Hybrid Protection

Bulk

Circuit Protection Kits AEC-Q101 COMPLIANT TVS DIODES

CD-LAB11
Bourns
1: S/233.24
Non-Stocked

Mfr. Part #
CD-LAB11

Mouser Part #
652-CD-LAB11

Bourns

Circuit Protection Kits AEC-Q101 COMPLIANT TVS DIODES

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Datasheet

Non-Stocked

S/233.24

S/229.85

S/222.46

Min.: 1
Mult.: 1

CD-LAB

Design Kits

Transient Voltage Suppressor Kit

AEC-Q101

Kit

Circuit Protection Kits 5each 32 values

CD-LAB5
Bourns
1: S/205.87
Non-Stocked

Mfr. Part #
CD-LAB5

Mouser Part #
652-CD-LAB5

Bourns

Circuit Protection Kits 5each 32 values

Learn More

Datasheet

Non-Stocked

S/205.87

S/183.26

S/170.69

S/156.17

View

Min.: 1
Mult.: 1

CD-LAB

Design Kits

Discrete TVS Diode

Bulk

Circuit Protection Kits DESIGN KIT HC SERIES 5EA VALUE

HC-LAB1
Bourns
1: S/91.47
Non-Stocked

Mfr. Part #
HC-LAB1

Mouser Part #
652-HC-LAB1

Bourns

Circuit Protection Kits DESIGN KIT HC SERIES 5EA VALUE

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Datasheet

Non-Stocked

S/91.47

S/75.94

S/68.66

S/62.94

View

Min.: 1
Mult.: 1

Design Kits

HC Series Mini-Breaker

Bulk

Circuit Protection Kits DESIGN KIT KCA SERIES 5EA VALUE

KCA-LAB1
Bourns
1: S/82.87
Non-Stocked

Mfr. Part #
KCA-LAB1

Mouser Part #
652-KCA-LAB1

Bourns

Circuit Protection Kits DESIGN KIT KCA SERIES 5EA VALUE

Learn More

Datasheet

Non-Stocked

S/82.87

S/75.44

S/69.17

S/59.71

View

Min.: 1
Mult.: 1

KCA

Design Kits

KCA Series Mini-Breaker

AEC-Q100

Bulk

Circuit Protection Kits DESIGN KIT LC SERIES 5EA VALUE

LC-LAB1
Bourns
1: S/53.37
Non-Stocked

Mfr. Part #
LC-LAB1

Mouser Part #
652-LC-LAB1

Bourns

Circuit Protection Kits DESIGN KIT LC SERIES 5EA VALUE

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Datasheet

Non-Stocked

S/53.37

S/50.84

S/46.87

Min.: 1
Mult.: 1

Design Kits

LC Series Mini-Breaker

Bulk

Circuit Protection Kits Low Resistance BTT Axial Strap Kit

MF-LRLAB
Bourns
1: S/166.75
Non-Stocked

Mfr. Part #
MF-LRLAB

Mouser Part #
652-MF-LRLAB

Bourns

Circuit Protection Kits Low Resistance BTT Axial Strap Kit

Datasheet

Non-Stocked

S/166.75

S/138.30

S/127.60

S/106.89

View

Min.: 1
Mult.: 1

MF-LR

PTC Design Kit

Bulk

Circuit Protection Kits Lab Kit Axial MF-LS Series

MF-LSLAB
Bourns
1: S/166.75
Non-Stocked

Mfr. Part #
MF-LSLAB

Mouser Part #
652-MF-LSLAB

Bourns

Circuit Protection Kits Lab Kit Axial MF-LS Series

Datasheet

Non-Stocked

S/166.75

S/138.30

S/127.60

S/106.89

View

Min.: 1
Mult.: 1

MF-LS

PTC Design Kit

Bulk

Circuit Protection Kits DESIGN KIT NRA SERIES 5EA VALUE

NR-LAB1
Bourns
1: S/77.66
Non-Stocked

Mfr. Part #
NR-LAB1

Mouser Part #
652-NR-LAB1

Bourns

Circuit Protection Kits DESIGN KIT NRA SERIES 5EA VALUE

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Datasheet

Non-Stocked

S/77.66

S/66.95

S/59.87

S/55.51

View

Min.: 1
Mult.: 1

NR-A

Design Kits

NR Series Mini-Breaker

Bulk

Circuit Protection Kits DESIGN KIT NRC SERIES 5EA VALUE

NR-LAB2
Bourns
1: S/79.68
Non-Stocked

Mfr. Part #
NR-LAB2

Mouser Part #
652-NR-LAB2

Bourns

Circuit Protection Kits DESIGN KIT NRC SERIES 5EA VALUE

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Datasheet

Non-Stocked

S/79.68

S/68.39

S/61.62

S/57.26

View

Min.: 1
Mult.: 1

NR-C

Design Kits

NR Series Mini-Breaker

Bulk

Circuit Protection Kits SA SERIES TYPE DESIGN KIT

SA-LAB2
Bourns
1: S/76.22
Non-Stocked

Mfr. Part #
SA-LAB2

Mouser Part #
652-SA-LAB2

Bourns

Circuit Protection Kits SA SERIES TYPE DESIGN KIT

Datasheet

Non-Stocked

S/76.22

S/71.12

S/66.56

S/60.33

View

Min.: 1
Mult.: 1

Thermal Cutoff Kits

Surface Mount Thermal Cutoff Device

Kit

Circuit Protection Kits Unidirectional TBU Port Solution Kit

TBU-LAB3
Bourns
1: S/275.12
Non-Stocked

Mfr. Part #
TBU-LAB3

Mouser Part #
652-TBU-LAB3

Bourns

Circuit Protection Kits Unidirectional TBU Port Solution Kit

Learn More

Datasheet

Non-Stocked

S/275.12

S/228.22

S/212.26

S/176.88

S/166.83

Min.: 1
Mult.: 1

Surge Protection Kits

Circuit Protection Devices

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