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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 #

Surface Mount Fuses 6A 50V TIME DELAY

SF-0603SP600-2
Bourns
1: £0.571
13,412In Stock

Mfr. Part No.
SF-0603SP600-2

Mouser Part No
652-SF-0603SP600-2

Bourns

Surface Mount Fuses 6A 50V TIME DELAY

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Datasheet

13,412In Stock

Cut Tape

£0.571

£0.437

£0.377

£0.331

View

Reel

£0.212

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0603 time-lag met-foil. 5A Auto

SF-0603SPA500R-2
Bourns
1: £0.796
4,306In Stock

Mfr. Part No.
SF-0603SPA500R-2

Mouser Part No
652-SF-0603SPA500R-2

Bourns

Surface Mount Fuses 0603 time-lag met-foil. 5A Auto

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Datasheet

4,306In Stock

Cut Tape

£0.796

£0.636

£0.534

£0.464

View

Reel

£0.285

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 1206 slow-blow met-foil. 15A Auto

SF-1206SA1500R-2
Bourns
1: £0.736
7,076In Stock

Mfr. Part No.
SF-1206SA1500R-2

Mouser Part No
652-SF-1206SA1500R-2

Bourns

Surface Mount Fuses 1206 slow-blow met-foil. 15A Auto

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Datasheet

7,076In Stock

Cut Tape

£0.736

£0.585

£0.492

£0.428

View

Reel

£0.262

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

TISP4030L1AJR-S
Bourns
1: £0.601
19,301In Stock

Mfr. Part No.
TISP4030L1AJR-S

Mouser Part No
652-TISP4030L1AJR-S

Bourns

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

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Datasheet

19,301In Stock

Cut Tape

£0.601

£0.327

£0.221

£0.169

Reel

£0.125

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

TISP4040L1BJR-S
Bourns
1: £0.503
11,387In Stock
12,000Expected 10/08/2026

Mfr. Part No.
TISP4040L1BJR-S

Mouser Part No
652-TISP4040L1BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

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Datasheet

11,387In Stock

12,000Expected 10/08/2026

Cut Tape

£0.503

£0.362

£0.227

£0.175

Reel

£0.137

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V 7KA 20% 2-POLE SMD

GDT25-07-S1-RP
Bourns
1: £0.882
10,320In Stock

Mfr. Part No.
GDT25-07-S1-RP

Mouser Part No
652-GDT25-07-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V 7KA 20% 2-POLE SMD

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Datasheet

10,320In Stock

Cut Tape

£0.882

£0.818

£0.673

£0.622

Reel

£0.452

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Varistors IsoMOV 3KA 230Vrms Bulk In-Line

IsoM3-230-B-L2
Bourns
1: £1.36
3,186In Stock

Mfr. Part No.
IsoM3-230-B-L2

Mouser Part No
652-ISOM3-230-B-L2

Bourns

Varistors IsoMOV 3KA 230Vrms Bulk In-Line

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Datasheet

3,186In Stock

£1.36

£0.899

£0.811

£0.733

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 380Vrms Bulk In-Line

IsoM5-380-B-L2
Bourns
1: £1.76
4,027In Stock

Mfr. Part No.
IsoM5-380-B-L2

Mouser Part No
652-ISOM5-380-B-L2

Bourns

Varistors IsoMOV 5KA 380Vrms Bulk In-Line

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Datasheet

4,027In Stock

£1.76

£1.19

£0.969

£0.917

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 510Vrms Bulk In-Line

IsoM5-510-B-L2
Bourns
1: £1.76
2,950In Stock

Mfr. Part No.
IsoM5-510-B-L2

Mouser Part No
652-ISOM5-510-B-L2

Bourns

Varistors IsoMOV 5KA 510Vrms Bulk In-Line

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Datasheet

2,950In Stock

£1.76

£1.18

£0.969

£0.917

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.85/15V

MF-LSMF185X-2
Bourns
1: £0.533
8,888In Stock

Mfr. Part No.
MF-LSMF185X-2

Mouser Part No
652-MF-LSMF185X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.85/15V

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Datasheet

8,888In Stock

Cut Tape

£0.533

£0.409

£0.383

£0.29

View

Reel

£0.217

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Resettable Fuses - PPTC PTC RESETTABLE 0.12A 240V RADIAL LEADED

MF-RM012/240-2
Bourns
1: £0.488
8,628In Stock

Mfr. Part No.
MF-RM012/240-2

Mouser Part No
652-MF-RM012/240-2

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.12A 240V RADIAL LEADED

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Datasheet

8,628In Stock

Cut Tape

£0.488

£0.423

£0.389

£0.323

View

Reel

£0.227

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 240V .16A-HD 2A MAX

MF-RM016/240-2
Bourns
1: £0.705
12,192In Stock

Mfr. Part No.
MF-RM016/240-2

Mouser Part No
652-MF-RM016/240-2

Bourns

Resettable Fuses - PPTC 240V .16A-HD 2A MAX

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Datasheet

12,192In Stock

Cut Tape

£0.705

£0.541

£0.507

£0.383

View

Reel

£0.25

Min.: 1
Mult.: 1

: 4,000

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

MOV-07D560KKTR
Bourns
1: £0.383
3,337In Stock

Mfr. Part No.
MOV-07D560KKTR

Mouser Part No
652-MOV-07D560KKTR

Bourns

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

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Datasheet

3,337In Stock

Cut Tape

£0.383

£0.246

£0.154

£0.129

Reel

£0.077

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

MOV-07D681KKTR
Bourns
1: £0.428
5,184In Stock

Mfr. Part No.
MOV-07D681KKTR

Mouser Part No
652-MOV-07D681KKTR

Bourns

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

5,184In Stock

Cut Tape

£0.428

£0.272

£0.17

£0.143

Reel

£0.088

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

MOV-07D781KKTR
Bourns
1: £0.428
5,711In Stock

Mfr. Part No.
MOV-07D781KKTR

Mouser Part No
652-MOV-07D781KKTR

Bourns

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

5,711In Stock

Cut Tape

£0.428

£0.253

£0.156

£0.137

Reel

£0.101

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

MOV-10D241KKTR
Bourns
1: £0.473
2,765In Stock

Mfr. Part No.
MOV-10D241KKTR

Mouser Part No
652-MOV-10D241KKTR

Bourns

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

2,765In Stock

Cut Tape

£0.473

£0.281

£0.175

£0.156

Reel

£0.115

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

MOV-10D561KKTR
Bourns
1: £0.526
1,352In Stock

Mfr. Part No.
MOV-10D561KKTR

Mouser Part No
652-MOV-10D561KKTR

Bourns

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

1,352In Stock

Cut Tape

£0.526

£0.311

£0.194

£0.175

Reel

£0.144

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

MOV-10D680KKTR
Bourns
1: £0.533
1,783In Stock
2,000Expected 07/12/2026

Mfr. Part No.
MOV-10D680KKTR

Mouser Part No
652-MOV-10D680KKTR

Bourns

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

1,783In Stock

2,000Expected 07/12/2026

Cut Tape

£0.533

£0.32

£0.208

£0.189

Reel

£0.132

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

MOV-14D181KKTR
Bourns
1: £0.571
2,829In Stock

Mfr. Part No.
MOV-14D181KKTR

Mouser Part No
652-MOV-14D181KKTR

Bourns

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

Learn More

Datasheet

2,829In Stock

Cut Tape

£0.571

£0.342

£0.214

£0.182

Reel

£0.16

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

MOV-14D821KKTR
Bourns
1: £0.882
4,492In Stock

Mfr. Part No.
MOV-14D821KKTR

Mouser Part No
652-MOV-14D821KKTR

Bourns

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

Learn More

Datasheet

4,492In Stock

Cut Tape

£0.882

£0.533

£0.34

£0.301

Reel

£0.258

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

MOV-07D220KKTR
Bourns
1: £0.405
2,744In Stock

Mfr. Part No.
MOV-07D220KKTR

Mouser Part No
652-MOV-07D220KKTR

Bourns

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

2,744In Stock

Cut Tape

£0.405

£0.259

£0.162

£0.136

Reel

£0.081

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Varistors 10mm Radial Disc MOV - Kinked Leads, Bulk

MOV-10D180KK
Bourns
1: £0.496
1,945In Stock

Mfr. Part No.
MOV-10D180KK

Mouser Part No
652-MOV-10D180KK

Bourns

Varistors 10mm Radial Disc MOV - Kinked Leads, Bulk

Learn More

Datasheet

1,945In Stock

£0.496

£0.298

£0.185

£0.165

View

Min.: 1
Mult.: 1

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

MOV-14D270KKTR
Bourns
1: £0.713
5,816In Stock

Mfr. Part No.
MOV-14D270KKTR

Mouser Part No
652-MOV-14D270KKTR

Bourns

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

Learn More

Datasheet

5,816In Stock

Cut Tape

£0.713

£0.43

£0.275

£0.255

Reel

£0.216

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

MOV-14D390KKTR
Bourns
1: £0.721
4,802In Stock

Mfr. Part No.
MOV-14D390KKTR

Mouser Part No
652-MOV-14D390KKTR

Bourns

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

Learn More

Datasheet

4,802In Stock

Cut Tape

£0.721

£0.433

£0.277

£0.258

Reel

£0.217

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

MOV-14D751KKTR
Bourns
1: £0.882
5,301In Stock

Mfr. Part No.
MOV-14D751KKTR

Mouser Part No
652-MOV-14D751KKTR

Bourns

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

Learn More

Datasheet

5,301In Stock

Cut Tape

£0.882

£0.537

£0.342

£0.303

Reel

£0.26

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Circuit Protection Devices

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Circuit Protection Devices

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