2.5 A Fuses 1,043

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

3821250000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

22 J

-40 °C (-40 °F)

Matte Tin

100 A

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

e3

20 ms

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

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

85 °C (185 °F)

Time Lag

47302.5

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

13 J

-55 °C (-67 °F)

Tin/Lead

50 A

Rated Breaking Capacity at 125 VDC: 50 A

Tape And Reel

0.125 in (3.17 mm)

e0

0.125 x 0.28 in (3.17 x 7.11 mm)

0.28 in (7.11 mm)

CSA; METI; PSE; UL

125 °C (257 °F)

Slow

1981250040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

83 J

-25 °C (-13 °F)

100 A

Bulk

0.213 in (5.4 mm)

5 s

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CSA; UL

70 °C (158 °F)

Time Delay

066502.5HXSL

Littelfuse

Electric Fuse

2.5 A

-40 °C (-40 °F)

50 A

4 h

40.9

0.335 in (8.5 mm)

250 V

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA, UL

85 °C (185 °F)

Time Lag

1206SFS250F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

End Cap

900 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

Rated Breaking Capacity at 32 VDC: 50 A

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

0.126 x 0.063 x 0.038 in (3.2 x 1.6 x 0.97 mm)

0.038 in (0.97 mm)

UL

125 °C (257 °F)

Slow

020802.5MXP

Littelfuse

Electric Fuse

Inline/Holder

350 V

2.5 A

End Cap

2.68 J

-55 °C (-67 °F)

Nickel

100 A

Bulk

0.185 in (4.7 mm)

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; PSE; UL

125 °C (257 °F)

Fast

374125000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

14 J

-40 °C (-40 °F)

Matte Tin

50 A

1 m

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

TR5

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Time Lag

023402.5XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

17.5 J

-55 °C (-67 °F)

Nickel

100 A

Pre-Arcing Time: Open within 0.4 s, at 200% Rated Current

Bulk; Tape And Reel

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Medium

20202.5

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

1.76 J

-55 °C (-67 °F)

Tin Lead

50 A

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

0.372 x 0.25 x 0.165 in (9.45 x 6.35 x 4.19 mm)

0.165 in (4.19 mm)

CSA; UL

125 °C (257 °F)

Fast

R27102.5

Littelfuse

Electric Fuse

Surface Mount

60 V

60 V

2.5 A

End Cap

721 mJ

-55 °C (-67 °F)

50 A

1 s

Rated Breaking Capacity at 60 VDC: 300 A, Pre Arcing Time: Open within 1 s at 200% Rated Current

Tape And Reel

0.08 in (2.032 mm)

Nano

0.225 in (5.715 mm)

CSA; UL

125 °C (257 °F)

Very Fast

048102.5HMP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

2.5 A

End Cap

16 J

-55 °C (-67 °F)

300 A

5 m

0.701 in (17.8 mm)

0.228 in (5.8 mm)

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

80812500075

Littelfuse

Electric Fuse

Through Hole Mount

250 V

450 V

2.5 A

Pin Wire

89.8 mJ

-65 °C (-85 °F)

Tin

200 A

10 s

Pre Arcing Time: Open within 10 s at 200% Rated Current

0.08

Bulk

0.35 in (8.9 mm)

0.183 in (4.65 mm)

e3

250 V

TE5

0.35 x 0.183 x 0.348 in (8.9 x 4.65 x 8.85 mm)

0.348 in (8.85 mm)

CUL; PSE; UL

125 °C (257 °F)

Fast

047302.5YRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

13 J

-55 °C (-67 °F)

Pure Tin

50 A

Tape And Reel

0.135 in (3.43 mm)

0.135 x 0.28 in (3.43 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Time Lag

025302.5PXT3

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

721 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 4 ms at 1000% Rated Current

Bulk

0.11 in (2.8 mm)

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; PSE; TUV; UL

125 °C (257 °F)

Very Fast

1206SFF250F/32

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

4 h

Rated Breaking Capacity at 32 VDC: 50 A

0.14

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

32 V

0.126 x 0.063 x 0.043 in (3.2 x 1.6 x 1.1 mm)

0.043 in (1.1 mm)

UL

125 °C (257 °F)

Fast

026302.5MXT1HF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

1.197 J

-55 °C (-67 °F)

Pure Tin

50 A

0263

Bulk

0.155 in (3.94 mm)

0.155 x 0.28 in (3.94 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

020802.5MX

Littelfuse

Electric Fuse

Inline/Holder

350 V

2.5 A

End Cap

2.68 J

-55 °C (-67 °F)

Tin

100 A

Bulk

0.177 in (4.5 mm)

e3

350 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE; PSE; UL

125 °C (257 °F)

Fast

021702.5MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

9.46 J

-55 °C (-67 °F)

35 A

10 ms

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Very Fast

26502.5

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

-55 °C (-67 °F)

Gold

50 A

Rated Breaking Capacity at 125 VDC: 300 A

0.28 in (7.11 mm)

0.093 in (2.36 mm)

e4

0.28 x 0.093 x 0.093 in (7.11 x 2.36 x 2.36 mm)

0.093 in (2.36 mm)

CSA; UL

125 °C (257 °F)

Very Fast

3721250041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

35 J

-40 °C (-40 °F)

Matte Tin

35 A

Bulk

0.335 in (8.5 mm)

e3

20 ms

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; KTL; PSE; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

025302.5PRL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

721 mJ

-55 °C (-67 °F)

Tin

50 A

0253

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.103 in (2.61 mm)

e3

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; PSE; TUV; UL

125 °C (257 °F)

Very Fast

025102.5PXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

721 mJ

-55 °C (-67 °F)

Tin

50 A

4 ms

Pre-Arcing Time: Open within 4 ms at 1000% Rated Current

Bulk

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

2751250005

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

820 mJ

-25 °C (-13 °F)

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.094 in (2.4 mm)

5 s

Pico

0.283 in (7.2 mm)

CUL; UL

70 °C (158 °F)

Very Fast

045302.5NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

1.029 J

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

5 s

Nano

0.106 in (2.69 mm)

CE; CSA; PSE; TUV; UL

125 °C (257 °F)

Very Fast

044102.5WR

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

552 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

0.5520

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

32 V

20 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

22402.5DRT1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

2.68 J

Tin

100 A

Tape And Reel

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CSA; METI; UL

Fast

023002.5MXF17P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

2.5 A

Pin Wire

50 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

045102.5MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

1.029 J

-55 °C (-67 °F)

Tin/Lead

50 A

5 s

Pre Arcing Time: Open within 5 s at 200% Rated Current

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

125 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Very Fast

3401250002

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

8.7 J

-25 °C (-13 °F)

100 A

Bulk

0.248 in (6.3 mm)

120 s

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

CSA; UL

70 °C (158 °F)

Very Fast

22802.5

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

23.85 J

35 A

228

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

BSI; CSA; IEC; SEMKO; UL; VDE

Time Lag

23502.5XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

5.59 J

100 A

0.236 in (6 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.886 in (22.5 mm)

CSA; KTL; METI; PSE; UL

Fast

023302.5MXBP

Littelfuse

Electric Fuse

Inline/Holder

125 V

2.5 A

End Cap

17.045 J

-55 °C (-67 °F)

Matte Tin

10 kA

Bulk

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Medium

021302.5

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

138 J

-55 °C (-67 °F)

Nickel

35 A

Bulk; Tape And Reel

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

021702.5MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

75 V

2.5 A

Pin Wire

9.46 J

-55 °C (-67 °F)

Tin

35 A

10 ms

9.46

Bulk

0.217 in (5.5 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.846 in (21.5 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Very Fast

021602.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

2.695 J

-55 °C (-67 °F)

Tin

1.5 kA

2.695

Bulk

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; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

021602.5MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

2.695 J

-55 °C (-67 °F)

Tin

1.5 kA

2.695

Bulk

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; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

023302.5XE

Littelfuse

Electric Fuse

Through Hole Mount

125 V

2.5 A

Pin Wire

17.5 J

10 kA

233

0.228 in (5.8 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CSA; KTL; PSE; UL

Medium

021902.5

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

23.85 J

150 A

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

BSI; CCC; CSA; IEC; KTL; METI; PSE; SEMKO; UL; VDE

Time Lag

031202.5MX

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

9.54 J

-55 °C (-67 °F)

Tin

100 A

Bulk

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Fast

KLKD02.5H

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

2.5 A

End Cap

-55 °C (-67 °F)

100 kA

4 m

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL; VDE

125 °C (257 °F)

Fast

048102.5HX

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

2.5 A

End Cap

16 J

-55 °C (-67 °F)

300 A

5 m

0.701 in (17.8 mm)

0.228 in (5.8 mm)

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

1951250040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

14 J

-25 °C (-13 °F)

35 A

Bulk

0.213 in (5.4 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

BSI; CCEE; CUL; DIN; IEC; IMQ; MITI; SEMKO; UL; VDE

70 °C (158 °F)

Time Lag

021602.5MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

2.695 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

20 ms

2.695

Bulk

0.228 in (5.8 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

023202.5X125

Littelfuse

Electric Fuse

Through Hole Mount

125 V

2.5 A

Pin Wire

13.876 J

-55 °C (-67 °F)

Tin

10 kA

Bulk; Tape And Reel

0.228 in (5.8 mm)

e3

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CE; PSE

125 °C (257 °F)

Medium

026302.5VXT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

1.197 J

-55 °C (-67 °F)

Pure Tin

50 A

Bulk

0.155 in (3.94 mm)

0.155 x 0.28 in (3.94 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

025102.5MAT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

721 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 4 ms at 1000% Rated Current

Ammo Pack

0.11 in (2.8 mm)

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; PSE; TUV; UL

125 °C (257 °F)

Very Fast

026302.5HXT1HF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

1.197 J

-55 °C (-67 °F)

Pure Tin

50 A

0263

Bulk

0.155 in (3.94 mm)

0.155 x 0.28 in (3.94 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

7945816043

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

2.5 A

End Cap

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

125 °C (257 °F)

Time Delay

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.