Littelfuse Fuses 2,400+

Reset All
Part RoHS Manufacturer Circuit Protection Type Mounting Feature Rated AC Voltage Rated DC Voltage Rated Current Terminal Shape Nominal Joule Integral Minimum Operating Temperature Terminal Finish Rated Breaking Capacity Manufacturer Series Trip Time/Delay Additional Features Pre Arcing Rating (A2/s) Packing Method Body Length/Diameter Body Width Fuse Class JESD-609 Code Rated Voltage Resistance Minimum Pre Arcing Time Fuse Size Built-in Features Dimensions Body Height Reference Standard Maximum Operating Temperature Blow Characteristic

0SPF012.HXR

Littelfuse

Electric Fuse

Inline/Holder

1 KV

12 A

End Cap

642 J

20 kA

4 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; TUV; UL

Fast

0TLS020.TXL

Littelfuse

Electric Fuse

Inline/Holder

170 V

20 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

170 V

0.563 x 0.877 in (14.3 x 22.27 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0TLS090.TXLSE

Littelfuse

Electric Fuse

Inline/Holder

170 V

90 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0TLS100.TXV

Littelfuse

Electric Fuse

Inline/Holder

170 V

100 A

Tab/Blade

Silver

100 kA

Bulk

0.563 in (14.3 mm)

e4

0.563 x 0.877 in (14.3 x 22.27 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0TLS110.T

Littelfuse

Electric Fuse

Inline/Holder

170 V

110 A

End Cap

100 kA

Bulk

0.563 in (14.3 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0TLS110.TXLSE

Littelfuse

Electric Fuse

Inline/Holder

170 V

110 A

Tab/Blade

Bright Tin

100 kA

Bulk

0.563 in (14.3 mm)

e3

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

10-1001

Littelfuse

Electric Fuse

Inline/Holder

32 V

10 A

Tab/Blade

-40 °C (-40 °F)

1 kA

80 ms

Pre Arcing Time: Open within 80 ms at 350% Rated Current

Blister

0.76 in (19.3 mm)

0.207 in (5.25 mm)

ATO

32 V

Indicator

0.48 in (12.2 mm)

125 °C (257 °F)

142.5395.6252

Littelfuse

Electric Fuse

Inline/Holder

58 V

250 A

Tab/Blade

292.5 kJ

-40 °C (-40 °F)

Matte Tin

1 kA

100 ms

1.142 in (29 mm)

e3

58 V

1.142 x 0.74 x 0.366 in (29 x 18.8 x 9.3 mm)

0.37 in (9.4 mm)

UL

125 °C (257 °F)

Slow

142.5631.5502

Littelfuse

Electric Fuse

Inline/Holder

58 V

50 A

Tab/Blade

6.9 kJ

-40 °C (-40 °F)

Tin

1 kA

6900

0.63 in (16 mm)

0.472 in (12 mm)

e3

58 V

0.472 x 0.307 x 0.63 in (12 x 7.8 x 16 mm)

0.307 in (7.8 mm)

UL

125 °C (257 °F)

142.5631.6202

Littelfuse

Electric Fuse

Inline/Holder

58 V

200 A

Tab/Blade

126 kJ

-40 °C (-40 °F)

Matte Tin

1 kA

100 ms

126000

0.63 in (16 mm)

0.472 in (12 mm)

e3

58 V

0.472 x 0.307 x 0.63 in (12 x 7.8 x 16 mm)

0.315 in (8 mm)

UL

125 °C (257 °F)

142.6185.5106

Littelfuse

Electric Fuse

Inline/Holder

58 V

10 A

Tab/Blade

115 J

Tin

Rated Breaking Capacity at 58 VDC: 1000 A

0.748 in (19 mm)

0.197 in (5 mm)

e3

0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm)

0.52 in (13.2 mm)

UL

142.7010.6152

Littelfuse

Electric Fuse

Inline/Holder

58 V

150 A

Tab/Blade

83.4 kJ

-40 °C (-40 °F)

Tin

1 kA

100 ms

83400

0.63 in (16 mm)

0.472 in (12 mm)

e3

58 V

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.315 in (8 mm)

UL

125 °C (257 °F)

153.5631.6121

Littelfuse

Electric Fuse

Inline/Holder

32 V

125 A

Tab/Blade

62.5 kJ

-40 °C (-40 °F)

Tin

2 kA

100 ms

62500

0.63 in (16 mm)

0.472 in (12 mm)

e3

32 V

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.315 in (8 mm)

CUL; ISO; UL

125 °C (257 °F)

153.5631.6151

Littelfuse

Electric Fuse

Inline/Holder

32 V

150 A

Tab/Blade

83.4 kJ

-40 °C (-40 °F)

Tin

2 kA

100 ms

83400

0.63 in (16 mm)

0.472 in (12 mm)

e3

32 V

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.315 in (8 mm)

CUL; ISO; UL

125 °C (257 °F)

153.5631.6201

Littelfuse

Electric Fuse

Inline/Holder

32 V

200 A

Tab/Blade

126 kJ

-40 °C (-40 °F)

Matte Tin

1.5 kA

100 ms

126000

0.63 in (16 mm)

0.472 in (12 mm)

e3

32 V

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.315 in (8 mm)

CUL; ISO; UL

125 °C (257 °F)

153.7010.5802

Littelfuse

Electric Fuse

Inline/Holder

32 V

80 A

Tab/Blade

25.6 kJ

-40 °C (-40 °F)

Tin

2 kA

100 ms

25600

0.63 in (16 mm)

0.472 in (12 mm)

e3

32 V

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.307 in (7.8 mm)

CUL; ISO; UL

125 °C (257 °F)

155.0892.6201

Littelfuse

Electric Fuse

Surface Mount

58 V

200 A

Wraparound

172.8 kJ

-40 °C (-40 °F)

Matte Tin

2 kA

172800

0.925 in (23.5 mm)

0.787 in (20 mm)

e3

58 V

0.925 x 0.787 x 0.453 in (23.5 x 20 x 11.5 mm)

0.453 in (11.5 mm)

UL

125 °C (257 °F)

157.5701.6201

Littelfuse

Electric Fuse

Inline/Holder

48 V

200 A

Tab/Blade

-40 °C (-40 °F)

1.2 kA

200 ms

Bulk

1.26 in (32 mm)

0.866 in (22 mm)

48 V

1.26 x 0.866 x 0.413 in (32 x 22 x 10.5 mm)

0.413 in (10.5 mm)

CUL; UL

125 °C (257 °F)

157.5917.6201

Littelfuse

Electric Fuse

Inline/Holder

48 V

200 A

Tab/Blade

-40 °C (-40 °F)

1.2 kA

200 ms

Bulk

1.26 in (32 mm)

0.866 in (22 mm)

48 V

1.26 x 0.866 x 0.413 in (32 x 22 x 10.5 mm)

0.413 in (10.5 mm)

CUL; UL

125 °C (257 °F)

157.5917.6331

Littelfuse

Electric Fuse

Inline/Holder

48 V

325 A

Tab/Blade

-40 °C (-40 °F)

1.95 kA

200 ms

Bulk

1.26 in (32 mm)

0.866 in (22 mm)

48 V

1.26 x 0.866 x 0.413 in (32 x 22 x 10.5 mm)

0.413 in (10.5 mm)

CUL; UL

125 °C (257 °F)

157.5917.6501

Littelfuse

Electric Fuse

Inline/Holder

48 V

500 A

Tab/Blade

-40 °C (-40 °F)

3 kA

200 ms

Bulk

1.26 in (32 mm)

0.866 in (22 mm)

48 V

1.26 x 0.866 x 0.413 in (32 x 22 x 10.5 mm)

0.413 in (10.5 mm)

CUL; UL

125 °C (257 °F)

166.7000.5252

Littelfuse

Electric Fuse

Inline/Holder

80 V

25 A

Tab/Blade

950 J

Tin

Rated Breaking Capacity at 80 VDC: 1000A

0.748 in (19 mm)

0.197 in (5 mm)

e3

0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm)

0.52 in (13.2 mm)

UL

20111000021P

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

2 J

-25 °C (-13 °F)

80 A

5 ms

Pre Arcing Time: Open within 5 ms at 1000% Rated Current

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

Indicator

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CUL; UL

70 °C (158 °F)

Medium Time Lag

217001

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.042 J

-55 °C (-67 °F)

Tin

35 A

Pre Arcing Time: Open within 20 ms at 1000% Rated Current

1.045

0.205 in (5.2 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; IEC; PSE; SEMKO; VDE

125 °C (257 °F)

Fast

217001.

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

1.042 J

-55 °C (-67 °F)

Tin

35 A

20 ms

Pre Arcing Time: Open within 20 ms at 1000% Rated Current

0.205 in (5.2 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; KTL; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Fast

22902.5

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

50 J

-55 °C (-67 °F)

100 A

0.177 in (4.5 mm)

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; METI; PSE; UL

125 °C (257 °F)

Slow

312.125P

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 mA

End Cap

2.89 mJ

Nickel

35 A

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Fast

312.500P

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

483 mJ

Nickel

35 A

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Fast

31201.5P

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.5 A

End Cap

2.35 J

Nickel

35 A

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Fast

312015P

Littelfuse

Electric Fuse

Inline/Holder

32 V

15 A

End Cap

490.5 J

Nickel

312P

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Fast

3121.25P

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.25 A

End Cap

1.45 J

Nickel

35 A

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Fast

3298040.Z

Littelfuse

Electric Fuse

Surface Mount

32 V

40 A

Wraparound

5 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.181 in (30 mm)

1.047 in (26.6 mm)

Mega

0.63 in (16 mm)

125 °C (257 °F)

3298060.Z

Littelfuse

Electric Fuse

Surface Mount

32 V

60 A

Wraparound

18 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.181 in (30 mm)

1.047 in (26.6 mm)

Mega

0.63 in (16 mm)

125 °C (257 °F)

3298125.Z

Littelfuse

Electric Fuse

Surface Mount

32 V

125 A

Wraparound

45 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.181 in (30 mm)

1.047 in (26.6 mm)

Mega

0.63 in (16 mm)

125 °C (257 °F)

3298150.Z

Littelfuse

Electric Fuse

Surface Mount

32 V

150 A

Wraparound

75 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.181 in (30 mm)

1.047 in (26.6 mm)

Mega

0.63 in (16 mm)

125 °C (257 °F)

3298400.ZXSTA

Littelfuse

Electric Fuse

Surface Mount

32 V

400 A

Wraparound

870 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.181 in (30 mm)

1.047 in (26.6 mm)

Mega

0.63 in (16 mm)

125 °C (257 °F)

36914000000

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

4 A

Pin Wire

126.4 J

-40 °C (-40 °F)

Matte Tin

50 A

20 s

100

Ammo Pack

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

300 V

TE5

0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm)

0.315 in (8 mm)

CUL; PSE; UL; VDE

85 °C (185 °F)

Time Lag

37002000410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

200 mA

Pin Wire

30 mJ

-40 °C (-40 °F)

Tin

35 A

20 ms

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; VDE; UL

85 °C (185 °F)

Fast

37002000430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

200 mA

Pin Wire

30 mJ

-40 °C (-40 °F)

Tin

35 A

20 ms

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

TR5

0.315 in (8 mm)

CCC; CE; CUL; VDE; UL

85 °C (185 °F)

Fast

37008000410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

800 mA

Pin Wire

120 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; VDE; UL

85 °C (185 °F)

Fast

37013150410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Pin Wire

3.1 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; PSE; UL; VDE

85 °C (185 °F)

Fast

37200630001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

63 mA

Pin Wire

27.8 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

0.02

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; KC; UL; VDE

85 °C (185 °F)

Time Lag

37201250411

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 mA

Pin Wire

109.4 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

0.066

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; KC; UL; VDE

85 °C (185 °F)

Time Lag

37201600001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

160 mA

Pin Wire

179.2 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

0.14

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; KC; UL; VDE

85 °C (185 °F)

Time Lag

37201600411

Littelfuse

Electric Fuse

Through Hole Mount

250 V

160 mA

Pin Wire

179.2 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

0.14

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; KC; UL; VDE

85 °C (185 °F)

Time Lag

37202500431

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

493.8 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

0.28

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; KC; UL; VDE

85 °C (185 °F)

Time Lag

37203150431

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

396.9 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

0.36

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; KC; UL; VDE

85 °C (185 °F)

Time Lag

37208000001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

800 mA

Pin Wire

5.76 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

3.8

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; KC; UL; VDE

85 °C (185 °F)

Time Lag

Fuses

A fuse is an electrical safety device that is designed to protect an electrical circuit from damage caused by overcurrent. Fuses are commonly used in residential, commercial, and industrial electrical systems, and they are an important safety device that helps prevent electrical fires, equipment damage, and personal injury.

A fuse typically consists of a metal wire or filament that is enclosed in a fuse body, which is designed to protect the wire from damage. The fuse is connected in series with the electrical circuit, and when the current flowing through the circuit exceeds a preset level, the wire in the fuse will melt or blow, which opens the circuit and prevents further damage to the electrical system.

Fuses are available in a variety of types and sizes, and they can be classified based on their current rating, voltage rating, and speed of operation. Some common types of fuses include cartridge fuses, blade fuses, and plug fuses.

In addition to protecting electrical systems from overcurrent, fuses can also be used to protect electrical equipment and machinery from damage caused by short circuits or other types of electrical faults. They are a cost-effective and reliable method of electrical protection, and they are widely used in a variety of electrical applications.