Circuit Protection Kits – Mouser United Kingdom

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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: £12.68
67In Stock

Mfr. Part No.
DK-GDT25-02

Mouser Part No
652-DK-GDT25-02

Bourns

Circuit Protection Kits Design Kit Next-Generation GDT25

Datasheet

67In Stock

£12.68

Min.: 1
Mult.: 1

GDT25

Bulk

Circuit Protection Kits NextGen GDT28H, Design kit

DK-GDT28H-01
Bourns
1: £23.52
9In Stock

Mfr. Part No.
DK-GDT28H-01

Mouser Part No
652-DK-GDT28H-01

Bourns

Circuit Protection Kits NextGen GDT28H, Design kit

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Datasheet

9In Stock

£23.52

£20.16

£19.19

£18.54

Min.: 1
Mult.: 1

GDT28

Design Kits

Bulk

Circuit Protection Kits Test Set

4030-01
Bourns
1: £958.27
1In Stock
8Expected 21/04/2026

Mfr. Part No.
4030-01

Mouser Part No
652-4030-01

Bourns

Circuit Protection Kits Test Set

Datasheet

1In Stock

8Expected 21/04/2026

£958.27

Min.: 1
Mult.: 1

4030-0X

Test Sets

Battery Operated Tester

Bulk

Circuit Protection Kits 5KW TVS Diodes SMC PKG Design Kit

CD-LAB10
Bourns
1: £55.57
3In Stock

Mfr. Part No.
CD-LAB10

Mouser Part No
652-CD-LAB10

Bourns

Circuit Protection Kits 5KW TVS Diodes SMC PKG Design Kit

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Datasheet

3In Stock

£55.57

£48.80

Min.: 1
Mult.: 1

CD-LAB

TVS Diode Kits

TVS Diodes Design Kit

Bulk

Circuit Protection Kits 10each 32 values

CD-LAB4
Bourns
1: £19.60
6In Stock

Mfr. Part No.
CD-LAB4

Mouser Part No
652-CD-LAB4

Bourns

Circuit Protection Kits 10each 32 values

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Datasheet

6In Stock

£19.60

£19.56

Min.: 1
Mult.: 1

CD-LAB

Design Kits

Discrete TVS Diode

Bulk

Circuit Protection Kits DESN KIT NXT GEN GDT25

DK-GDT25-01
Bourns
1: £10.96
3In Stock

Mfr. Part No.
DK-GDT25-01

Mouser Part No
652-DK-GDT25-01

Bourns

Circuit Protection Kits DESN KIT NXT GEN GDT25

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Datasheet

3In Stock

£10.96

£9.52

£9.41

Min.: 1
Mult.: 1

GDT25

Gas Discharge Tube Kits

Design Kit Next-Generation GDT25

Box

Circuit Protection Kits ISOMOV Design kit

DK-IsoMOV-02
Bourns
1: £49.84
3In Stock

Mfr. Part No.
DK-IsoMOV-02

Mouser Part No
652-DK-ISOMOV-02

Bourns

Circuit Protection Kits ISOMOV Design kit

Learn More

Datasheet

3In Stock

£49.84

£48.83

£43.60

£41.50

£41.00

Min.: 1
Mult.: 1

IsoMOV Design Kit

Design Kits

Hybrid Protection

Bulk

Circuit Protection Kits ISOMOV Design kit

DK-IsoMOV-03
Bourns
1: £34.27
2In Stock

Mfr. Part No.
DK-IsoMOV-03

Mouser Part No
652-DK-ISOMOV-03

Bourns

Circuit Protection Kits ISOMOV Design kit

Learn More

Datasheet

2In Stock

£34.27

£31.24

Min.: 1
Mult.: 1

IsoMOV Design Kit

Design Kits

Hybrid Protection

Bulk

Circuit Protection Kits ISOMOV Design kit

DK-IsoMOV-04
Bourns
1: £25.38
1In Stock

Mfr. Part No.
DK-IsoMOV-04

Mouser Part No
652-DK-ISOMOV-04

Bourns

Circuit Protection Kits ISOMOV Design kit

Learn More

Datasheet

1In Stock

£25.38

Min.: 1
Mult.: 1

IsoMOV Design Kit

Design Kits

Hybrid Protection

Bulk

Circuit Protection Kits 10each 32 values

CD-LAB3
Bourns
1: £23.68
3Expected 25/03/2026

Mfr. Part No.
CD-LAB3

Mouser Part No
652-CD-LAB3

Bourns

Circuit Protection Kits 10each 32 values

Learn More

Datasheet

3Expected 25/03/2026

£23.68

£14.82

£14.78

Min.: 1
Mult.: 1

CD-LAB

Design Kits

Discrete TVS Diode

Bulk

Circuit Protection Kits 3KW TVS Diodes SMC PKG Design Kit

CD-LAB9
Bourns
1: £34.25
1Expected 26/02/2026

Mfr. Part No.
CD-LAB9

Mouser Part No
652-CD-LAB9

Bourns

Circuit Protection Kits 3KW TVS Diodes SMC PKG Design Kit

Learn More

Datasheet

1Expected 26/02/2026

£34.25

£34.23

£29.76

Min.: 1
Mult.: 1

CD-LAB

TVS Diode Kits

TVS Diodes Design Kit

Bulk

Circuit Protection Kits 10each 32 values

CD-LAB2
Bourns
1: £26.36
3Expected 19/10/2026

Mfr. Part No.
CD-LAB2

Mouser Part No
652-CD-LAB2

Bourns

Circuit Protection Kits 10each 32 values

Learn More

Datasheet

3Expected 19/10/2026

£26.36

Min.: 1
Mult.: 1

CD-LAB

Design Kits

Schottky Rectifier

Bulk

Circuit Protection Kits 10each 32 values

CD-LAB6
Bourns
1: £14.82
8Expected 05/03/2026

Mfr. Part No.
CD-LAB6

Mouser Part No
652-CD-LAB6

Bourns

Circuit Protection Kits 10each 32 values

Learn More

Datasheet

8Expected 05/03/2026

£14.82

£14.78

£14.77

Min.: 1
Mult.: 1

CD-LAB

Design Kits

ESD Protection

Bulk

Circuit Protection Kits 5each 32 values

CD-LAB5
Bourns
1: £26.36
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
CD-LAB5

Mouser Part No
652-CD-LAB5

Bourns

Circuit Protection Kits 5each 32 values

Learn More

Datasheet

Non-Stocked Lead-Time 7 Weeks

£26.36

Min.: 1
Mult.: 1

CD-LAB

Design Kits

Discrete TVS Diode

Bulk

Circuit Protection Kits AEC-Q101 COMPLIANT TVS DIODES

CD-LAB11
Bourns
1: £44.99
N/A

Mfr. Part No.
CD-LAB11

Mouser Part No
652-CD-LAB11

Bourns

Circuit Protection Kits AEC-Q101 COMPLIANT TVS DIODES

Learn More

Datasheet

N/A

£44.99

£39.07

Min.: 1
Mult.: 1

CD-LAB

Design Kits

Transient Voltage Suppressor Kit

AEC-Q101

Kit

Circuit Protection Kits ISOMOV Design kit

DK-IsoMOV-01
Bourns
1: £18.90
Lead-Time 14 Weeks

Mfr. Part No.
DK-IsoMOV-01

Mouser Part No
652-DK-ISOMOV-01

Bourns

Circuit Protection Kits ISOMOV Design kit

Learn More

Datasheet

Lead-Time 14 Weeks

£18.90

£16.41

£15.62

Min.: 1
Mult.: 1

IsoMOV Design Kit

Design Kits

Hybrid Protection

Bulk

Circuit Protection Kits DESIGN KIT HC SERIES 5EA VALUE

HC-LAB1
Bourns
1: £14.06
Non-Stocked

Mfr. Part No.
HC-LAB1

Mouser Part No
652-HC-LAB1

Bourns

Circuit Protection Kits DESIGN KIT HC SERIES 5EA VALUE

Learn More

Datasheet

Non-Stocked

£14.06

£13.99

£13.37

£13.11

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: £15.16
Non-Stocked

Mfr. Part No.
KCA-LAB1

Mouser Part No
652-KCA-LAB1

Bourns

Circuit Protection Kits DESIGN KIT KCA SERIES 5EA VALUE

Learn More

Datasheet

Non-Stocked

£15.16

£14.24

£13.57

£12.74

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: £16.01
Non-Stocked

Mfr. Part No.
LC-LAB1

Mouser Part No
652-LC-LAB1

Bourns

Circuit Protection Kits DESIGN KIT LC SERIES 5EA VALUE

Learn More

Datasheet

Non-Stocked

£16.01

£11.59

£10.65

£9.61

View

Min.: 1
Mult.: 1

Design Kits

LC Series Mini-Breaker

Bulk

Circuit Protection Kits Low Resistance BTT Axial Strap Kit

MF-LRLAB
Bourns
1: £32.16
Non-Stocked

Mfr. Part No.
MF-LRLAB

Mouser Part No
652-MF-LRLAB

Bourns

Circuit Protection Kits Low Resistance BTT Axial Strap Kit

Datasheet

Non-Stocked

£32.16

£26.68

£24.61

£20.62

View

Min.: 1
Mult.: 1

MF-LR

PTC Design Kit

Bulk

Circuit Protection Kits Lab Kit Axial MF-LS Series

MF-LSLAB
Bourns
1: £32.16
Non-Stocked

Mfr. Part No.
MF-LSLAB

Mouser Part No
652-MF-LSLAB

Bourns

Circuit Protection Kits Lab Kit Axial MF-LS Series

Datasheet

Non-Stocked

£32.16

£26.68

£24.61

£20.62

View

Min.: 1
Mult.: 1

MF-LS

PTC Design Kit

Bulk

Circuit Protection Kits DESIGN KIT NRA SERIES 5EA VALUE

NR-LAB1
Bourns
1: £12.82
Non-Stocked

Mfr. Part No.
NR-LAB1

Mouser Part No
652-NR-LAB1

Bourns

Circuit Protection Kits DESIGN KIT NRA SERIES 5EA VALUE

Learn More

Datasheet

Non-Stocked

£12.82

£12.02

£11.36

£10.85

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: £14.33
Non-Stocked

Mfr. Part No.
NR-LAB2

Mouser Part No
652-NR-LAB2

Bourns

Circuit Protection Kits DESIGN KIT NRC SERIES 5EA VALUE

Learn More

Datasheet

Non-Stocked

£14.33

£12.83

£12.31

£12.00

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: £9.78
Non-Stocked

Mfr. Part No.
SA-LAB2

Mouser Part No
652-SA-LAB2

Bourns

Circuit Protection Kits SA SERIES TYPE DESIGN KIT

Datasheet

Non-Stocked

£9.78

£9.68

£9.26

£9.25

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: £43.32
Non-Stocked

Mfr. Part No.
TBU-LAB3

Mouser Part No
652-TBU-LAB3

Bourns

Circuit Protection Kits Unidirectional TBU Port Solution Kit

Learn More

Datasheet

Non-Stocked

£43.32

£38.32

£35.34

£32.31

View

Min.: 1
Mult.: 1

Surge Protection Kits

Circuit Protection Devices

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