Surface Mount Fuses – Mouser Canada

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0678 Surface-Mount Fuses

Bel Fuse 0678 Surface-Mount Fuses feature two types: fast-blow fuses and enhanced-breaking capability brick fuses. These fuses operate from 500mA to 5A for the 0678D series and from 500mA to 40A for the 0678H series. Bel Fuse 0678 Surface-Mount Fuses are compatible with +260ºC, IR Pb-free solder process. These fuses are constructed in 3912 case sizes with a ceramic tube/end cap. Bel Fuse 0678 Surface-Mount Fuses are suitable for voltage regulator modules, PC servers, office electronic equipment, power supplies, and industrial, medical, and mass storage systems.

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Part #

Surface Mount Fuses 3921 Surface Mt Fuse 4A

0678H4000-02
Bel Fuse
1: $1.86
9,774In Stock

Mfr. Part #
0678H4000-02

Mouser Part #
530-0678H4000-02

Bel Fuse

Surface Mount Fuses 3921 Surface Mt Fuse 4A

Learn More

Datasheet

9,774In Stock

Cut Tape

$1.86

$1.49

$1.23

$1.08

Reel

$0.705

View

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

4 A

250 VAC

125 VDC

300 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

21 mOhms

Surface Mount Fuses 3939 Surface Mt Fuse 3.15A

0678D3150-02
Bel Fuse
1: $1.83
3,121In Stock

Mfr. Part #
0678D3150-02

Mouser Part #
530-0678D3150-02

Bel Fuse

Surface Mount Fuses 3939 Surface Mt Fuse 3.15A

Learn More

Datasheet

3,121In Stock

Cut Tape

$1.83

$1.69

$1.40

$1.29

View

Reel

$0.777

Min.: 1
Mult.: 1

Reel: 2,000

0678D

Surface Mount Ceramic Fuses

Fast Blow

3.15 A

350 VAC

125 VDC

100 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

35 mOhms

Surface Mount Fuses 3918 Surface Mt Fuse 2A

0678H2000-02
Bel Fuse
1: $1.86
1,571In Stock

Mfr. Part #
0678H2000-02

Mouser Part #
530-0678H2000-02

Bel Fuse

Surface Mount Fuses 3918 Surface Mt Fuse 2A

Learn More

Datasheet

1,571In Stock

Cut Tape

$1.86

$1.49

$1.23

$1.08

Reel

$0.715

View

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

2 A

250 VAC

125 VDC

300 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

59 mOhms

Surface Mount Fuses 3924 Surface Mt Fuse 8A

0678H8000-02
Bel Fuse
1: $1.86
2,037In Stock

Mfr. Part #
0678H8000-02

Mouser Part #
530-0678H8000-02

Bel Fuse

Surface Mount Fuses 3924 Surface Mt Fuse 8A

Learn More

Datasheet

2,037In Stock

Cut Tape

$1.86

$1.49

$1.23

$1.08

Reel

$0.769

View

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

8 A

250 VAC

125 VDC

100 A, 1.5 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

10 mOhms

Surface Mount Fuses 3937 Surface Mt Fuse 2A

0678D2000-02
Bel Fuse
1: $2.22
929In Stock

Mfr. Part #
0678D2000-02

Mouser Part #
530-0678D2000-02

Bel Fuse

Surface Mount Fuses 3937 Surface Mt Fuse 2A

Learn More

Datasheet

929In Stock

Cut Tape

$2.22

$1.83

$1.51

$1.29

View

Reel

$0.84

Min.: 1
Mult.: 1

Reel: 2,000

0678D

Surface Mount Ceramic Fuses

Fast Blow

2 A

350 VAC

125 VDC

100 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

59 mOhms

Surface Mount Fuses 3919 Surface Mt Fuse 2.5A

0678H2500-02
Bel Fuse
1: $1.86
900In Stock

Mfr. Part #
0678H2500-02

Mouser Part #
530-0678H2500-02

Bel Fuse

Surface Mount Fuses 3919 Surface Mt Fuse 2.5A

Learn More

Datasheet

900In Stock

Cut Tape

$1.86

$1.49

$1.23

$1.08

Reel

$0.722

View

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

2.5 A

250 VAC

125 VDC

300 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

43 mOhms

Surface Mount Fuses 3915 Surface Mt Fuse 1A

0678H1000-02
Bel Fuse
1: $1.86
538In Stock

Mfr. Part #
0678H1000-02

Mouser Part #
530-0678H1000-02

Bel Fuse

Surface Mount Fuses 3915 Surface Mt Fuse 1A

Learn More

Datasheet

538In Stock

Cut Tape

$1.86

$1.49

$1.23

$1.08

Reel

$0.705

View

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

1 A

250 VAC

125 VDC

300 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

210 mOhms

Surface Mount Fuses 3917 Surface Mt Fuse 1.6A

0678H1600-02
Bel Fuse
1: $1.86
258In Stock

Mfr. Part #
0678H1600-02

Mouser Part #
530-0678H1600-02

Bel Fuse

Surface Mount Fuses 3917 Surface Mt Fuse 1.6A

Learn More

Datasheet

258In Stock

Cut Tape

$1.86

$1.49

$1.23

$1.08

Reel

$0.715

View

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

1.6 A

250 VAC

125 VDC

300 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

80 mOhms

Surface Mount Fuses 3920 Surface Mt Fuse 3.15A

0678H3150-02
Bel Fuse
1: $1.86
1,905In Stock

Mfr. Part #
0678H3150-02

Mouser Part #
530-0678H3150-02

Bel Fuse

Surface Mount Fuses 3920 Surface Mt Fuse 3.15A

Learn More

Datasheet

1,905In Stock

Cut Tape

$1.86

$1.49

$1.23

$1.08

Reel

$0.705

View

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

3.15 A

250 VAC

125 VDC

300 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

35 mOhms

Surface Mount Fuses 3930 Surface Mt Fuse 40A

0678H9400-02
Bel Fuse
1: $1.97
3,556In Stock
6,000Expected 2026-02-26

Mfr. Part #
0678H9400-02

Mouser Part #
530-0678H9400-02

Bel Fuse

Surface Mount Fuses 3930 Surface Mt Fuse 40A

Learn More

Datasheet

3,556In Stock

6,000Expected 2026-02-26

Cut Tape

$1.97

$1.81

$1.51

$1.39

View

Reel

$0.887

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

40 A

250 VAC

125 VDC

100 A, 1 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

1.5 mOhms

Surface Mount Fuses 3931 Surface Mt Fuse 500mA

0678D0500-02
Bel Fuse
1: $1.83
1,589In Stock

Mfr. Part #
0678D0500-02

Mouser Part #
530-0678D0500-02

Bel Fuse

Surface Mount Fuses 3931 Surface Mt Fuse 500mA

Learn More

Datasheet

1,589In Stock

Cut Tape

$1.83

$1.69

$1.40

$1.29

Reel

$0.804

View

Min.: 1
Mult.: 1

Reel: 2,000

0678D

Surface Mount Ceramic Fuses

Fast Blow

500 mA

350 VAC

125 VDC

100 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

660 mOhms

Surface Mount Fuses 3934 Surface Mt Fuse 1A

0678D1000-02
Bel Fuse
1: $1.83
292In Stock
2,000Expected 2026-03-19

Mfr. Part #
0678D1000-02

Mouser Part #
530-0678D1000-02

Bel Fuse

Surface Mount Fuses 3934 Surface Mt Fuse 1A

Learn More

Datasheet

292In Stock

2,000Expected 2026-03-19

Cut Tape

$1.83

$1.69

$1.40

$1.29

Reel

$0.89

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

0678D

Surface Mount Ceramic Fuses

Fast Blow

1 A

350 VAC

125 VDC

100 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

210 mOhms

Surface Mount Fuses 3912 Surface Mt Fuse 500mA

0678H0500-02
Bel Fuse
1: $1.52
2,984In Stock

Mfr. Part #
0678H0500-02

Mouser Part #
530-0678H0500-02

Bel Fuse

Surface Mount Fuses 3912 Surface Mt Fuse 500mA

Learn More

Datasheet

2,984In Stock

Cut Tape

$1.52

$1.40

$1.16

$1.07

Reel

$0.696

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

500 mA

250 VAC

125 VDC

300 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

660 mOhms

Surface Mount Fuses 3913 Surface Mt Fuse 630 mA

0678H0630-02
Bel Fuse
1: $1.52
1,413In Stock

Mfr. Part #
0678H0630-02

Mouser Part #
530-0678H0630-02

Bel Fuse

Surface Mount Fuses 3913 Surface Mt Fuse 630 mA

Learn More

Datasheet

1,413In Stock

Cut Tape

$1.52

$1.40

$1.16

$1.07

Reel

$0.657

View

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

630 mA

250 VAC

125 VDC

300 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

540 mOhms

Surface Mount Fuses 3916 Surface Mt Fuse 1.25A

0678H1250-02
Bel Fuse
1: $1.52
2,054In Stock

Mfr. Part #
0678H1250-02

Mouser Part #
530-0678H1250-02

Bel Fuse

Surface Mount Fuses 3916 Surface Mt Fuse 1.25A

Learn More

Datasheet

2,054In Stock

Cut Tape

$1.52

$1.40

$1.16

$1.07

Reel

$0.705

View

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

1.25 A

250 VAC

125 VDC

300 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

100 mOhms

Surface Mount Fuses 3922 Surface Mt Fuse 5A

0678H5000-02
Bel Fuse
1: $1.86
1,480In Stock
2,000Expected 2026-03-19

Mfr. Part #
0678H5000-02

Mouser Part #
530-0678H5000-02

Bel Fuse

Surface Mount Fuses 3922 Surface Mt Fuse 5A

Learn More

Datasheet

1,480In Stock

2,000Expected 2026-03-19

Cut Tape

$1.86

$1.49

$1.23

$1.08

Reel

$0.716

View

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

5 A

250 VAC

125 VDC

300 A, 2 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

16 mOhms

Surface Mount Fuses 3923 Surface Mt Fuse 6.3A

0678H6300-02
Bel Fuse
1: $1.52
1,273In Stock
2,000Expected 2026-03-30

Mfr. Part #
0678H6300-02

Mouser Part #
530-0678H6300-02

Bel Fuse

Surface Mount Fuses 3923 Surface Mt Fuse 6.3A

Learn More

Datasheet

1,273In Stock

2,000Expected 2026-03-30

Cut Tape

$1.52

$1.11

$1.07

$0.961

Reel

$0.705

View

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

6.3 A

250 VAC

125 VDC

100 A, 1.5 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

13 mOhms

Surface Mount Fuses 3925 Surface Mt Fuse 10A

0678H9100-02
Bel Fuse
1: $1.52
1,742In Stock

Mfr. Part #
0678H9100-02

Mouser Part #
530-0678H9100-02

Bel Fuse

Surface Mount Fuses 3925 Surface Mt Fuse 10A

Learn More

Datasheet

1,742In Stock

Cut Tape

$1.52

$1.40

$1.16

$1.07

Reel

$0.693

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

10 A

250 VAC

125 VDC

100 A, 1.5 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

6 mOhms

Surface Mount Fuses 3926 Surface Mt Fuse 15A

0678H9150-02
Bel Fuse
1: $1.52
1,556In Stock
2,000Expected 2026-04-23

Mfr. Part #
0678H9150-02

Mouser Part #
530-0678H9150-02

Bel Fuse

Surface Mount Fuses 3926 Surface Mt Fuse 15A

Learn More

Datasheet

1,556In Stock

2,000Expected 2026-04-23

Cut Tape

$1.52

$1.40

$1.16

$1.07

Reel

$0.705

View

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

15 A

250 VAC

125 VDC

100 A, 1.5 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape

4.1 mOhms

Surface Mount Fuses 3927 Surface Mt Fuse 20A

0678H9200-02
Bel Fuse
1: $1.84
2,000In Stock

Mfr. Part #
0678H9200-02

Mouser Part #
530-0678H9200-02

Bel Fuse

Surface Mount Fuses 3927 Surface Mt Fuse 20A

Learn More

Datasheet

2,000In Stock

Cut Tape

$1.84

$1.48

$1.23

$1.08

Reel

$0.687

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

20 A

250 VAC

125 VDC

100 A, 1.5 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

2.8 mOhms

Surface Mount Fuses 3928 Surface Mt Fuse 25A

0678H9250-02
Bel Fuse
1: $1.52
2,516In Stock

Mfr. Part #
0678H9250-02

Mouser Part #
530-0678H9250-02

Bel Fuse

Surface Mount Fuses 3928 Surface Mt Fuse 25A

Learn More

Datasheet

2,516In Stock

Cut Tape

$1.52

$1.40

$1.16

$1.07

Reel

$0.682

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

25 A

250 VAC

125 VDC

100 A, 1 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

2.3 mOhms

Surface Mount Fuses 3929 Surface Mt Fuse 30A

0678H9300-02
Bel Fuse
1: $1.52
3,983Expected 2026-02-26

Mfr. Part #
0678H9300-02

Mouser Part #
530-0678H9300-02

Bel Fuse

Surface Mount Fuses 3929 Surface Mt Fuse 30A

Learn More

Datasheet

3,983Expected 2026-02-26

Cut Tape

$1.52

$1.40

$1.16

$1.07

Reel

$0.694

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

0678H

Surface Mount Fuses

Fast Blow

30 A

250 VAC

125 VDC

100 A, 1 kA

3912

- 55 C

+ 125 C

Reel, Cut Tape, MouseReel

1.5 mOhms

Surface Mount Fuses 3932 Surface Mt Fuse 630mA

0678D0630-02
Bel Fuse
2,000: $0.879
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
0678D0630-02

Mouser Part #
530-0678D0630-02

Bel Fuse

Surface Mount Fuses 3932 Surface Mt Fuse 630mA

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$0.879

$0.863

Min.: 2,000
Mult.: 2,000

Reel: 2,000

0678D

Surface Mount Ceramic Fuses

Fast Blow

630 mA

350 VAC

125 VDC

100 A, 2 kA

3912

- 55 C

+ 125 C

Reel

540 mOhms

Surface Mount Fuses 3933 Surface Mt Fuse 800mA

0678D0800-02
Bel Fuse
2,000: $0.901
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
0678D0800-02

Mouser Part #
530-0678D0800-02

Bel Fuse

Surface Mount Fuses 3933 Surface Mt Fuse 800mA

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$0.901

$0.879

Min.: 2,000
Mult.: 2,000

Reel: 2,000

0678D

Surface Mount Ceramic Fuses

Fast Blow

800 mA

350 VAC

125 VDC

100 A, 2 kA

3912

- 55 C

+ 125 C

Reel

380 mOhms

Surface Mount Fuses 3935 Surface Mt Fuse 1.25A

0678D1250-02
Bel Fuse
2,000: $0.902
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
0678D1250-02

Mouser Part #
530-0678D1250-02

Bel Fuse

Surface Mount Fuses 3935 Surface Mt Fuse 1.25A

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$0.902

$0.865

Min.: 2,000
Mult.: 2,000

Reel: 2,000

0678D

Surface Mount Ceramic Fuses

Fast Blow

1.25 A

350 VAC

125 VDC

100 A, 2 kA

3912

- 55 C

+ 125 C

Reel

100 mOhms

0678 Surface-Mount Fuses

Mouser Electronics®

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500 mA
630 mA
800 mA
1 A
1.25 A
1.6 A
2 A
2.5 A
3.15 A
4 A
5 A
6.3 A
8 A
10 A
15 A
20 A
25 A
30 A
35 A
40 A