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

015702.5.DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

15 J

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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

0.106 in (2.69 mm)

UL

125 °C (257 °F)

Time Lag

015702.5DRT

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

15 J

-55 °C (-67 °F)

Matte Tin

50 A

100 ms

Tape And Reel

0.256 in (6.5 mm)

0.106 in (2.69 mm)

e3

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)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

SS-5-2.5A-BK

Eaton Corporation

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

40.3 J

-40 °C (-40 °F)

Tin

35 A

40.3

Bag

0.335 in (8.5 mm)

0.169 in (4.3 mm)

e3

250 V

0.335 x 0.169 x 0.329 in (8.5 x 4.3 x 8.35 mm)

0.329 in (8.35 mm)

CQC; EK; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Delay

023902.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

79.705 J

-55 °C (-67 °F)

Nickel

100 A

2 m

79.705

Bulk

0.205 in (5.2 mm)

Supplemental

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)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

032602.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

2.5 A

End Cap

136 J

-55 °C (-67 °F)

Nickel

100 A

4 h

136

Bulk

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

032602.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

185 J

-55 °C (-67 °F)

Nickel

100 A

5 s

Rated Breaking Capacity at 125 VDC: 10000 A

136

Bulk

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Delay

37412500410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

18.125 J

-40 °C (-40 °F)

Matte Tin

50 A

1 m

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, UL

85 °C (185 °F)

Time Lag

40012500440

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

61.94 J

-40 °C (-40 °F)

Tin

130 A

20 ms

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

TE5

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

0.315 in (8 mm)

IEC; PSE; UL; VDE

125 °C (257 °F)

Time Lag

F0603E2R50FSTR

KYOCERA AVX

Electric Fuse

Surface Mount

32 V

32 V

2.5 A

Wraparound

120 mJ

-55 °C (-67 °F)

Matte Tin

50 A

Tape And Reel, 7 inch

0.063 in (1.6 mm)

0.032 in (0.81 mm)

e3

0603

0.063 x 0.032 x 0.025 in (1.6 x 0.81 x 0.63 mm)

0.025 in (0.63 mm)

125 °C (257 °F)

Fast

046802.5NRHF

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

2.5 A

Wraparound

1.011 J

-55 °C (-67 °F)

Matte Tin

35 A

1.500 ms

Pre Arcing Time: Open within 1.5 ms at 800% Rated Current

1.01

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e3

63 V

1206

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.025 in (0.635 mm)

CSA; CUL; UL

90 °C (194 °F)

Time Delay

022902.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

50 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.177 in (4.5 mm)

e3

Indicator

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

025102.5MRT1L

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

4 ms

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

0.721

Tape And Reel

0.11 in (2.8 mm)

Supplemental

e3

125 V

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

031202.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

9.54 J

-55 °C (-67 °F)

Nickel

100 A

5 s

9.54

Tape And Reel

0.25 in (6.35 mm)

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Fast

045402.5MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

15 J

-55 °C (-67 °F)

Silver

50 A

2 ms

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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; CUL; UL

125 °C (257 °F)

Slow

046802.5NR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

2.5 A

Wraparound

1.011 J

-55 °C (-67 °F)

Matte Tin

35 A

4 h

Rated Breaking Capacity at 63 VDC: 50 A, Pre-Arcing Time: Open within 1.5 ms at 800% Rated Current

1.01

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e3

63 V

1206

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Slow

047302.5YRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

13 J

-60 °C (-76 °F)

Tin

50 A

2 ms

Pre Arcing Time: Blow within 0.002 s at 800% Rated Current

13

Tape And Reel

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 Delay

048502.5DR

Littelfuse

Electric Fuse

Surface Mount

250 V

600 V

2.5 A

Wraparound

1.492 J

-55 °C (-67 °F)

Silver

100 A

1 m

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

250 V

Nano

0.177 in (4.5 mm)

CSA; UL

125 °C (257 °F)

Fast

0FLM02.5T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

10 kA

5 s

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

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; QPL; UL

Time Delay

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

38312500000

Littelfuse

Electric Fuse

Through Hole Mount

320 V

2.5 A

Pin Wire

29.69 J

-40 °C (-40 °F)

50 A

20 ms

Ammo Pack; Tape

0.335 in (8.5 mm)

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CE; CUL; PSE; UL

85 °C (185 °F)

Time Lag

39612500000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

2.5 A

Pin Wire

14 J

-40 °C (-40 °F)

Matte Tin

100 A

1 m

14

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

125 V

TE5

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

0.315 in (8 mm)

PSE; UL

85 °C (185 °F)

Time Lag

SF-0603S250-2

Bourns

Electric Fuse

Surface Mount

35 V

32 V

2.5 A

Wraparound

200 mJ

-20 °C (-4 °F)

Tin Over Nickel

50 A

5 s

Tape And Reel, 7 inch

0.063 in (1.6 mm)

0.031 in (0.8 mm)

e3

0603

0.063 x 0.031 x 0.018 in (1.6 x 0.8 x 0.45 mm)

0.018 in (0.45 mm)

CUL; UL

105 °C (221 °F)

Slow

SF-0603SP250-2

Bourns

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

229 mJ

-20 °C (-4 °F)

Tin Over Nickel

50 A

1 s

Tape And Reel, 7 inch

0.063 in (1.6 mm)

0.031 in (0.8 mm)

e3

0603

0.018 in (0.45 mm)

UL

105 °C (221 °F)

Time Lag

021502.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

22.29 J

-55 °C (-67 °F)

Nickel

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

22.29

Bulk

0.205 in (5.2 mm)

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)

Time Lag

046602.5NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

2.5 A

End Cap

351.6 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

Rated Breaking Capacity at 32 VDC: 50 A

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e3

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Very Fast

BK/PCB-2-1/2-R

Cooper Electronic Technologies

Electric Fuse

Through Hole Mount

250 V

450 V

2.5 A

Pin Wire

300 mJ

50 A

PC

Rated Breaking Capacity at 450 VDC: 300 A

Box

0.35 in (8.89 mm)

0.35 x 0.375 in (8.89 x 9.53 mm)

0.375 in (9.53 mm)

CSA; UL

BK1-S505H-2.5-R

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

400 V

2.5 A

End Cap

24.23 J

100 A

Rated Breaking Capacity at 400 VDC: 1500 A

Bag

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; PSE/JET; TUV; UL

Time Delay

BKPCB-2-1/2-R

Eaton Corporation

Electric Fuse

Through Hole Mount

250 V

450 V

2.5 A

Pin Wire

300 mJ

50 A

10 s

Rated Breaking Capacity at 450 VDC: 300 A

Box

0.35 in (8.89 mm)

0.184 in (4.67 mm)

250 V

0.35 x 0.184 x 0.345 in (8.89 x 4.67 x 8.77 mm)

0.345 in (8.77 mm)

CUL; UL

Fast

SF-1206FP250-2

Bourns

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

445 mJ

-20 °C (-4 °F)

Tin Over Nickel

50 A

Tape And Reel, 7 inch

0.122 in (3.1 mm)

0.061 in (1.55 mm)

e3

5 s

1206

0.122 x 0.061 x 0.024 in (3.1 x 1.55 x 0.6 mm)

0.024 in (0.6 mm)

UL

105 °C (221 °F)

Fast

SF-1206S250-2

Bourns

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

605 mJ

-20 °C (-4 °F)

Tin Over Nickel

50 A

5 s

Tape And Reel, 7 inch

0.122 in (3.1 mm)

0.061 in (1.55 mm)

e3

1206

0.122 x 0.061 x 0.024 in (3.1 x 1.55 x 0.6 mm)

0.024 in (0.6 mm)

UL

105 °C (221 °F)

Slow

0603TSFV250FM/35-2

Littelfuse

Electric Fuse

2.5 A

-55 °C (-67 °F)

Tin/Nickel

35 A

4 h

0.15

0.067 in (1.7 mm)

0.036 in (0.91 mm)

e2

35 V

0603

0.067 x 0.036 x 0.016 in (1.7 x 0.91 x 0.4 mm)

0.016 in (0.4 mm)

90 °C (194 °F)

Fast

025302.5HAL

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

59302.5S

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

Silver

0.394 in (10 mm)

e4

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

MIL-PRF-15160

Time Delay

0603SFV250F/32-2

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

300 mJ

-55 °C (-67 °F)

35 A

4 h

0.3

0.069 in (1.75 mm)

0.037 in (0.95 mm)

32 V

0603

0.069 x 0.037 x 0.019 in (1.75 x 0.95 x 0.48 mm)

0.019 in (0.48 mm)

UL

125 °C (257 °F)

Very Fast

38212500410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Wire

29.69 J

-40 °C (-40 °F)

Tin

100 A

150 ms

22

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; PSE; UL; VDE

85 °C (185 °F)

Time Lag

048102.5VXMP

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

040702.5WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

1 J

-55 °C (-67 °F)

50 A

50 ms

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

1206

0.033 in (0.835 mm)

AEC-Q200; CUL; UL

150 °C (302 °F)

023002.5DRT1SSP

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

1961250000

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

17 J

-25 °C (-13 °F)

150 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)

BSI; CUL; IEC; SEMKO; UL; VDE

70 °C (158 °F)

Time Lag

197-1250-000

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

10 J

-25 °C (-13 °F)

100 A

Bulk

0.205 in (5.2 mm)

120 s

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA; CUL; UL

70 °C (158 °F)

Medium Time Lag

047202.5NXT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

7.084 J

-55 °C (-67 °F)

Tin

50 A

Bulk

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)

UL

125 °C (257 °F)

Time Lag

087502.5MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

17.85 J

-55 °C (-67 °F)

50 A

4 h

17.85

Bulk

0.142 in (3.6 mm)

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

CSA; UL

125 °C (257 °F)

Time Lag

025102.5PAT1L

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

025102.5NRHF

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

Tape And Reel

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

022502.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

3.82 J

-55 °C (-67 °F)

Tin

100 A

1 s

Rated Breaking Capacity at 125 VDC: 10000 A

2.68

Bulk

0.189 in (4.8 mm)

e3

250 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.587 in (14.9 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Fast

1911250000

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

13 J

-25 °C (-13 °F)

100 A

Bulk

0.205 in (5.2 mm)

5 s

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CUL; UL

70 °C (158 °F)

Very Fast

023502.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

5.445 J

-55 °C (-67 °F)

Nickel

100 A

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

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

ANCE; CE; CSA; KC; PSE; UL

125 °C (257 °F)

Fast

20302.5

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

2.87 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)

Slow

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.