2.5 A Fuses 1,043

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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

023202.5XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

14.25 J

100 A

232

0.228 in (5.8 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

KTL; METI; PSE

Medium

32602.5

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

136 J

-55 °C (-67 °F)

100 A

136

0.25 in (6.35 mm)

Supplemental

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

125 °C (257 °F)

Slow

023002.5ERT3SP

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

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)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

020902.5MXP

Littelfuse

Electric Fuse

Inline/Holder

350 V

2.5 A

End Cap

70 J

-55 °C (-67 °F)

Tin

100 A

3 s

50

Bulk

0.189 in (4.8 mm)

e3

350 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.587 in (14.9 mm)

CE; CUL; PSE; UL

125 °C (257 °F)

Time Lag

067502.5MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

9.25 J

Tin Lead

50 A

4 h

9.2

Bulk

0.154 in (3.9 mm)

e0

250 V

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Slow

045302.5NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

1.029 J

-55 °C (-67 °F)

Silver

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)

e4

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)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

031202.5HX

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

9.54 J

-55 °C (-67 °F)

Tin

100 A

312

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

23602.5

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

5.59 J

236

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

CSA; MITI; UL

Fast

22902.5PMXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

50 J

-55 °C (-67 °F)

Tin

100 A

Bulk

0.177 in (4.5 mm)

e3

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

42902.5WR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

2.5 A

Wraparound

500 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

50 A

429

Rated Breaking Capacity at 32 VDC: 50 A

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e0

0.125 x 0.06 x 0.045 in (3.18 x 1.52 x 1.14 mm)

0.045 in (1.14 mm)

CSA; UL

90 °C (194 °F)

Very Fast

37212500511

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

35 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

35

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; PSE; UL; VDE

85 °C (185 °F)

Time Lag

048102.5HXLM

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

2.5 A

End Cap

16 J

-55 °C (-67 °F)

300 A

5 m

0.839 in (21.3 mm)

0.228 in (5.8 mm)

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

1931250000

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

13 J

-25 °C (-13 °F)

35 A

Bulk

0.205 in (5.2 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CUL; DIN; IEC; SEMKO; VDE; UL

70 °C (158 °F)

Very Fast

KLKR025.

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.5 A

End Cap

Nickel

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Fast

1941250000

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

2.5 A

End Cap

3 J

-25 °C (-13 °F)

1.5 kA

3 ms

Bulk

0.205 in (5.2 mm)

250 V

3 ms

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)

SEMKO, UL, VDE

70 °C (158 °F)

Fast

80712500000

Littelfuse

Electric Fuse

Through Hole Mount

300 V

300 V

2.5 A

Wire

13.75 kJ

-40 °C (-40 °F)

Tin

100 A

1 s

Ammo Pack

0.488 in (12.4 mm)

0.252 in (6.4 mm)

e3

300 V

0.488 x 0.252 x 0.362 in (12.4 x 6.4 x 9.2 mm)

0.362 in (9.2 mm)

IEC; CUL; PSE; UL

125 °C (257 °F)

Time Lag

SPXV02.5L

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

2.5 A

End Cap

3.68 J

30 kA

4 m

Bulk

0.406 in (10.31 mm)

GPV

1.5 KV

0.394 x 3.346 in (10 x 85 mm)

3.333 in (84.65 mm)

CUL; TUV; UL

Fast

0FLQ02.5HXR

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

2.5 A

End Cap

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0603SFP250F/32-2

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

560 mJ

-55 °C (-67 °F)

50 A

0.069 in (1.75 mm)

0.037 in (0.95 mm)

32 V

0603

0.069 x 0.037 x 0.037 in (1.75 x 0.95 x 0.95 mm)

0.037 in (0.95 mm)

UL

125 °C (257 °F)

FLQ02.5R

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

2.5 A

End Cap

10 kA

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

26302.5MRT1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

1.197 J

-55 °C (-67 °F)

50 A

4 h

1.19

Tape And Reel

0.155 in (3.94 mm)

250 V

34 mΩ

Pico

0.28 in (7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

021602.5VXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

2.695 J

-55 °C (-67 °F)

Tin

1.2 kA

Bulk

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)

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

125 °C (257 °F)

Fast

FLQ02.5T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

2.5 A

End Cap

-55 °C (-67 °F)

10 kA

0.406 in (10.31 mm)

500 V

Midget

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA, UL

125 °C (257 °F)

Time Lag

036202.5M

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

2.5 A

End Cap

Bulk

0.25 in (6.35 mm)

32 V

8AG

1 in (25.4 mm)

Normal

045402.5

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

End Cap

15 J

-55 °C (-67 °F)

Silver

50 A

Rated Breaking Capacity at 125 VDC: 50 A

Tape And Reel

0.106 in (2.69 mm)

0.106 in (2.69 mm)

e4

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

0.24 in (6.1 mm)

CSA; METI; PSE; UL

125 °C (257 °F)

Fast

020202.5HXG

Littelfuse

Electric Fuse

Surface Mount

250 V

2.5 A

Gull Wing

1.76 J

-55 °C (-67 °F)

Tin/Lead

50 A

2 s

Bulk

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

250 V

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

047102.5PAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

4.39 J

-55 °C (-67 °F)

Pure Tin

50 A

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)

CSA; PSE; UL

125 °C (257 °F)

Time Lag

23502.5

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

5.443 J

-55 °C (-67 °F)

Nickel

100 A

4 h

5.445

Bulk; Tape And Reel

0.205 in (5.2 mm)

Supplemental

250 V

43.7 mΩ

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)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Fast

SPXI02.5LXB

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

2.5 A

End Cap

7 J

30 kA

4 m

Bulk

0.406 in (10.31 mm)

3.362 in (85.4 mm)

TUV; UL

025102.5PRL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

721 mJ

-55 °C (-67 °F)

Tin

50 A

4 ms

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

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; PSE; TUV; UL

125 °C (257 °F)

Very Fast

43102.5NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

2.5 A

Wraparound

175 mJ

-55 °C (-67 °F)

Tin Lead Over Nickel

35 A

431

Rated Breaking Capacity at 32 VDC: 35 A

Tape And Reel

0.063 in (1.6 mm)

0.031 in (0.79 mm)

e0

0.063 x 0.031 x 0.018 in (1.6 x 0.79 x 0.46 mm)

0.018 in (0.46 mm)

CSA; UL

90 °C (194 °F)

Very Fast

047302.5MXT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

13 J

-55 °C (-67 °F)

Tin

50 A

13

Bulk

0.135 in (3.43 mm)

e3

125 V

Pico

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

048102.5HP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

2.5 A

End Cap

16 J

-55 °C (-67 °F)

Tin

300 A

5 m

0.701 in (17.8 mm)

0.228 in (5.8 mm)

e3

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

032502.5MX52LP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

185 J

-55 °C (-67 °F)

Tin

4 h

136

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Time Lag

KLDR02.5

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.5 A

End Cap

2.087 J

Nickel

200 kA

12 s

Rated Breaking Capacity at 300 VDC: 20000 A

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

023402.5

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

025102.5MAHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

721 mJ

-55 °C (-67 °F)

Matte Tin

50 A

251

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

0.11 in (2.8 mm)

e3

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

031802.5HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

9.54 J

-55 °C (-67 °F)

Tin

100 A

5 s

Bulk

0.275 in (6.99 mm)

e3

3AG

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Fast

22502.5M

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

2.68 J

100 A

225

Bulk

0.177 in (4.5 mm)

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CSA; METI; PSE; UL

Fast

023502.5MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

5.445 J

-55 °C (-67 °F)

Tin

100 A

4 h

5.445

Tape And Reel

0.886 in (22.5 mm)

Supplemental

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.886 x 0.228 in (22.5 x 5.8 mm)

0.228 in (5.8 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Fast

FLNR02.5

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Time Delay

025102.5MAT1L

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

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

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; PSE; TUV; UL

125 °C (257 °F)

Very Fast

37312500430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

1.2 J

-40 °C (-40 °F)

Tin

50 A

5 s

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)

CSA; CUL; UL

85 °C (185 °F)

Very Fast

048102.5HXLP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

2.5 A

End Cap

16 J

-55 °C (-67 °F)

Tin

300 A

5 m

0.839 in (21.3 mm)

0.228 in (5.8 mm)

e3

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

025302.5NAL

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

Ammo Pack

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

023002.5MXOP

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

047302.5PRT1HF

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

047102.5NAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

4.39 J

-55 °C (-67 °F)

Pure Tin

50 A

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)

CSA; PSE; UL

125 °C (257 °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.