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

SF-1206F250-2

Bourns

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

351 mJ

-20 °C (-4 °F)

Tin Over Nickel

50 A

1 m

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)

Fast

045802.5DR

Littelfuse

Electric Fuse

Surface Mount

48 V

75 V

2.5 A

Wraparound

1.408 J

-55 °C (-67 °F)

Gold

50 A

5 s

1.4

Tape And Reel

0.125 in (3.175 mm)

0.062 in (1.575 mm)

e4

48 V

Nano

0.125 x 0.062 x 0.062 in (3.175 x 1.575 x 1.575 mm)

0.062 in (1.575 mm)

CUL; UL

125 °C (257 °F)

ATDR2-1/2

Mersen S A

Electric Fuse

Inline/Holder

600 V

300 V

2.5 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 100000 A

0.409 in (10.4 mm)

0.409 x 1.5 in (10.4 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

FNQ-R-2-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

2.5 A

End Cap

Nickel

200 kA

Box

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

LP-CC-2-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

2.5 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Box

0.394 in (10 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.496 in (38 mm)

CE; CSA; UL

Time Delay

ATQR2-1/2

Mersen S A

Electric Fuse

Inline/Holder

600 V

2.5 A

End Cap

200 kA

0.409 in (10.4 mm)

0.409 x 1.5 in (10.4 x 38.1 mm)

1.5 in (38.1 mm)

CSA, CE, UL

80 °C (176 °F)

Time Delay

FNM-2-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

100 A

Box

0.406 in (10.3 mm)

250 V

Midget

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

021802.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

23.25 J

-55 °C (-67 °F)

Nickel

35 A

20 ms

Bulk

0.205 in (5.2 mm)

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

125 °C (257 °F)

Time Lag

37212500001

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

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; PSE; UL; VDE

85 °C (185 °F)

Time Lag

38212500000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Wire

29.69 J

-40 °C (-40 °F)

Matte Tin

100 A

150 ms

22

Ammo Pack

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

0685-2500-01

Bel Fuse

Electric Fuse

2.5 A

-55 °C (-67 °F)

Matte Tin with Nickel barrier

100 A

Tape And Reel

0.126 in (3.2 mm)

0.062 in (1.58 mm)

e3

125 V

1206

0.126 x 0.062 x 0.022 in (3.2 x 1.58 x 0.57 mm)

0.022 in (0.57 mm)

CSA, UL

125 °C (257 °F)

Very Fast

031302.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

130 J

-55 °C (-67 °F)

Nickel

100 A

4 h

130

Bulk

0.25 in (6.35 mm)

Supplemental

250 V

3AG

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)

Time Lag

031302.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

199 J

-60 °C (-76 °F)

Nickel

100 A

5 s

199

Bulk

0.25 in (6.35 mm)

250 V

3AG

1.25 x 0.25 in (31.75 x 6.35 mm)

1.25 in (31.75 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

021502.5MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

2.5 A

Pin Wire

22.29 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

10 ms

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

22.29

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)

Time Lag

044002.5WR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

2.5 A

Wraparound

819.1 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

4 h

0.079

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

32 V

1206

0.126 x 0.064 x 0.032 in (3.2 x 1.63 x 0.82 mm)

0.032 in (0.82 mm)

CSA; UL

150 °C (302 °F)

3413.0120.22

Schurter Ag

Electric Fuse

Surface Mount

32 V

63 V

2.5 A

Wraparound

370 mJ

-55 °C (-67 °F)

Gold Nickel

50 A

0.35

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e4

60 s

1206

0.126 x 0.063 x 0.024 in (3.2 x 1.6 x 0.6 mm)

0.024 in (0.6 mm)

CUL, UL

90 °C (194 °F)

Very Fast

KLDR02.5TXP

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

Bulk

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

BK-MDL-2-1/2-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

63.1 J

Nickel

100 A

Box

0.25 in (6.35 mm)

250 V

0.252 x 1.248 in (6.4 x 31.7 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Time Delay

BK/MDL-2-1/2-R

Cooper Electronic Technologies

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

63.1 J

100 A

MDL

Box

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Time Delay

021502.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

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

0215025.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

2.5 A

End Cap

22.29 J

-55 °C (-67 °F)

Tin

1.5 kA

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

Bulk

0.205 in (5.2 mm)

e3

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

0034.3121

Schurter Ag

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

21.9 J

-55 °C (-67 °F)

Nickel

35 A

Box

0.205 in (5.2 mm)

20 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)

CCC; CUL; METI; UL; VDE

125 °C (257 °F)

Time Lag

04512.50MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

1.029 J

-55 °C (-67 °F)

Gold with Nickel barrier

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)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0FLQ02.5T

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

0034.6018

Schurter Ag

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

1.9 J

-40 °C (-40 °F)

Tin

35 A

Bulk

0.335 in (8.5 mm)

e3

3 ms

0.335 x 0.335 in (8.5 x 8.5 mm)

0.335 in (8.5 mm)

CCC; CUL; UL; VDE

85 °C (185 °F)

Very Fast

0001.1008

Schurter Ag

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

3.28 J

-55 °C (-67 °F)

Nickel

1.5 kA

Box

0.787 in (20 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.205 in (5.2 mm)

CCC; CUL; KTL; METI; UL; VDE

125 °C (257 °F)

Very Fast

0001.2508

Schurter Ag

Electric Fuse

Inline/Holder

250 V

300 V

2.5 A

End Cap

11.7 J

-55 °C (-67 °F)

Nickel

1.5 kA

Rated Breaking Capacity at 300 VDC: 1500 A

11.7

Box

0.205 in (5.2 mm)

10 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)

CCC; CUL; KTL; METI; UL; VDE

125 °C (257 °F)

Time Lag

BK-S505-2-5-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

16.6 J

-55 °C (-67 °F)

1.5 kA

Bulk

0.205 in (5.2 mm)

250 V

10 ms

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

BSI, CCC, CSA, CUL, IMQ, KC, PSE, SEMKO, UL, VDE

125 °C (257 °F)

Time Delay

BK-S505-2.5-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

16.6 J

Nickel

1.5 kA

16.6

Box

0.205 in (5.2 mm)

250 V

10 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)

BSI; CCC/CQC; CSA; IEC; IMQ; KC; PSE/JET; SEMKO; UL; VDE

Time Delay

BK/S505-2.5-R

Cooper Electronic Technologies

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

14 J

1.5 kA

S505

Box

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

BSI; IMQ; MITI; SEMKO; UL; VDE

Time Delay

3SB2.5-R

Bel Fuse

Electric Fuse

Inline/Holder

125 V

2.5 A

End Cap

94 J

-55 °C (-67 °F)

Nickel

10 kA

4 h

Bulk

0.25 in (6.35 mm)

125 V

0.25 x 1.252 in (6.35 x 31.8 mm)

1.252 in (31.8 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Slow

0685T2500-01

Bel Fuse

Electric Fuse

Surface Mount

63 V

63 V

2.5 A

Wraparound

1.07 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

2 ms

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.062 in (1.58 mm)

e3

63 V

1206

0.025 in (0.63 mm)

AEC-Q200; TUV; UL

125 °C (257 °F)

Slow

BK/S504-2.5A

Cooper Industries

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

36 J

35 A

S504

Bulk

0.205 in (5.2 mm)

20 ms

0.205 x 0.394 in (5.2 x 10 mm)

0.394 in (10 mm)

BSI; IMQ; SEMKO; UL; UR; VDE

Time Delay

MCPFP2.5A125V

Spc Technology/ Multicomp

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

-55 °C (-67 °F)

50 A

Rated Breaking Capacity at 125 VDC: 300 A

0.11 in (2.8 mm)

125 V

1 s

125 °C (257 °F)

Very Fast

37212500411

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

BK/MDL-2-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

32 V

2.5 A

End Cap

100 A

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

Bulk

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

Time Delay

C2Q2.5

Bel Fuse

Electric Fuse

Surface Mount

32 V

63 V

2.5 A

Wraparound

19 mJ

-55 °C (-67 °F)

Tin Over Nickel

35 A

200 ms

Interrupting Current Max(DC): 50 A, Pre Arcing Time: Open within 0.2 s at 300% Rated Current

Tape And Reel, 7 inch

0.063 in (1.6 mm)

0.032 in (0.82 mm)

e3

32 V

0603

0.063 x 0.032 x 0.019 in (1.6 x 0.82 x 0.48 mm)

0.019 in (0.48 mm)

CUL; UL

125 °C (257 °F)

Very Fast

031302.5VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

130 J

-55 °C (-67 °F)

Nickel

100 A

313

Bulk

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; KTL; PSE; UL

125 °C (257 °F)

Time Lag

MDL-2-1/2-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

63.1 J

Nickel

100 A

0.25 in (6.35 mm)

250 V

0.252 x 1.248 in (6.4 x 31.7 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Time Delay

0034.3121.G

Schurter Ag

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

21.9 J

-55 °C (-67 °F)

Nickel

35 A

Bulk

0.205 in (5.2 mm)

20 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)

CCC; CUL; METI; UL; VDE

125 °C (257 °F)

Time Lag

0034.3121.PT

Schurter Ag

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

21.9 J

-55 °C (-67 °F)

Tin

35 A

Bulk

0.213 in (5.4 mm)

e3

20 ms

0.213 x 0.886 in (5.4 x 22.5 mm)

0.213 x 0.886 in (5.4 x 22.5 mm)

0.886 in (22.5 mm)

CUL; UL

125 °C (257 °F)

Time Lag

0034.3121.TR

Schurter Ag

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

21.9 J

-55 °C (-67 °F)

Tin

35 A

Tape And Reel, 13 inch

0.213 in (5.4 mm)

e3

20 ms

0.213 x 0.886 in (5.4 x 22.5 mm)

0.213 x 0.886 in (5.4 x 22.5 mm)

0.886 in (22.5 mm)

CUL; UL

125 °C (257 °F)

Time Lag

0034.3121G

Schurter Ag

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

21.9 J

-55 °C (-67 °F)

Nickel

35 A

Bulk

0.205 in (5.2 mm)

20 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)

CCC; CUL; METI; UL; VDE

125 °C (257 °F)

Time Lag

0697A2500-01

Bel Fuse

Electric Fuse

Through Hole Mount

250 V

63 V

2.5 A

Pin Wire

45 J

-55 °C (-67 °F)

Matte Tin

100 A

Bulk

0.329 in (8.35 mm)

0.157 in (4 mm)

e3

20 ms

Micro

0.329 x 0.157 x 0.307 in (8.35 x 4 x 7.8 mm)

0.307 in (7.8 mm)

CCC, CQC, CUL, IEC60127-3, PSE, UL, VDE

125 °C (257 °F)

Time Lag

3405.0170.24

Schurter Ag

Electric Fuse

Surface Mount

250 V

125 V

2.5 A

Wraparound

4.8 J

-55 °C (-67 °F)

Tin

100 A

Tape And Reel, 13 inch

0.398 in (10.1 mm)

0.118 in (3 mm)

e3

1 ms

0.118 x 0.398 in (3 x 10.1 mm)

0.398 x 0.118 x 0.118 in (10.1 x 3 x 3 mm)

0.118 in (3 mm)

CUL; IEC 60127-4; UL; VDE

125 °C (257 °F)

Very Fast

ABC-2-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

0.248 in (6.3 mm)

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

CSA; UL

Fast

ABC-2-1/2-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

4.467 J

Nickel

100 A

2 m

Pre Arcing Time: Open within 120 s at 200% Rated Current

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)

CSA; UL

Fast

BK/ABC-2-1/2-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

4.467 J

Nickel

100 A

2 m

Pre Arcing Time: Open within 120 s at 200% Rated Current

Box

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)

CSA; UL

Fast

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.