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

KLKD02.5T

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)

600 V

0.394 x 1.496 in (10 x 38 mm)

1.5 x 1.5 in (38.1 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL; VDE

125 °C (257 °F)

Fast

KLKD02.5.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

2.5 A

End Cap

5.142 J

-55 °C (-67 °F)

100 kA

4 m

Pre Arcing Time: Clear within 4 m at 200% Rated Current; Rated Breaking Capacity at 600 VDC: 50000 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; VDE

125 °C (257 °F)

Fast

MDA-2-1/2-R

Cooper Industries

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

31.79 J

Nickel

200 A

2 m

Rated Breaking Capacity at 125 VDC: 10000 A

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

Time Delay

MDA-2-1-2-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

31.79 J

Nickel

200 A

2 m

Rated Breaking Capacity at 125 VDC: 10000 A

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

Time Delay

179020.2,5IP

Siba

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

11 J

35 A

Bulk

0.205 in (5.2 mm)

250 V

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

BEAB, SEMKO, UL, VDE

Very Fast

3404.2420.11

Schurter Ag

Electric Fuse

Surface Mount

250 V

125 V

2.5 A

Wraparound

7.5 J

-40 °C (-40 °F)

Gold

200 A

Rated Breaking Capacity at 125 VDC: 100 A

Bag

0.445 in (11.3 mm)

0.165 in (4.2 mm)

e4

10 ms

0.165 x 0.437 in (4.2 x 11.1 mm)

0.421 x 0.142 x 0.157 in (10.7 x 3.6 x 4 mm)

0.157 in (4 mm)

CUL; UL; VDE

85 °C (185 °F)

Time Lag

MDL-2-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 V

2.5 A

End Cap

63.1 J

35 A

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)

CSA; UL

Time Delay

RST-2.5-BULK

Bel Fuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

37 J

-55 °C (-67 °F)

Matte Tin

35 A

Bulk

0.329 in (8.35 mm)

0.157 in (4 mm)

e3

20 ms

0.329 x 0.157 x 0.303 in (8.35 x 4 x 7.7 mm)

0.303 in (7.7 mm)

CCC; CUL; IEC; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

31302.5P

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

130 J

Tin

100 A

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; METI; PSE; UL

Slow

MFU1206FF02500PW00

Vishay Intertechnology

Electric Fuse

Surface Mount

63 V

2.5 A

Wraparound

15.9 mJ

15 °C (59 °F)

Tin Over Nickel

50 A

Tape And Reel

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

0.126 x 0.063 x 0.022 in (3.2 x 1.6 x 0.55 mm)

0.022 in (0.55 mm)

UL; UMF

35 °C (95 °F)

Very Fast

C310T-2.5-R-TR1

Eaton Corporation

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

21.8 J

Tin/Copper

35 A

21.8

Tape And Reel

0.157 in (4 mm)

e2

250 V

0.157 x 0.453 in (4 x 11.5 mm)

0.453 in (11.5 mm)

CQC; IEC; KTL; UL; VDE

Time Delay

CC12H2.5A-TR

Eaton Corporation

Electric Fuse

Surface Mount

63 V

2.5 A

Wraparound

1.7 J

-55 °C (-67 °F)

50 A

100 ms

Pre Arcing Time: Open within 0.1 s at 300% Rated Current

1.7

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

63 V

1206

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

0.026 in (0.65 mm)

AEC-Q200; CUL; UL

125 °C (257 °F)

KLDR02.5HXP

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

021302.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

138 J

-55 °C (-67 °F)

Nickel

35 A

20 ms

138

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

021802.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

23.25 J

-55 °C (-67 °F)

Nickel

35 A

Bulk

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; KC; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

022902.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

50 J

-55 °C (-67 °F)

Tin

100 A

3 s

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.189 in (4.8 mm)

e3

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)

Time Lag

045102.5MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

1.029 J

-55 °C (-67 °F)

Gold

50 A

5 s

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)

CE; CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

045202.5MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

15 J

-55 °C (-67 °F)

Gold

50 A

2 ms

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; CUL; UL

125 °C (257 °F)

Slow

0659C2500-12

Bel Fuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

28.1 J

-55 °C (-67 °F)

Nickel

1.5 kA

Bulk

0.205 in (5.2 mm)

10 ms

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CQC; CUL; PSE; UL; VDE

125 °C (257 °F)

Time Lag

179020.2,5

Siba

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

11 J

35 A

Bulk

0.205 in (5.2 mm)

250 V

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

BEAB, SEMKO, UL, VDE

Very Fast

3403.0020.11

Schurter Ag

Electric Fuse

Surface Mount

250 V

250 V

2.5 A

Wraparound

2.6 J

-55 °C (-67 °F)

Tin

100 A

Bulk

0.433 in (11 mm)

0.181 in (4.6 mm)

e3

1 ms

0.433 x 0.181 in (11 x 4.6 mm)

0.433 x 0.181 x 0.154 in (11 x 4.6 x 3.9 mm)

0.154 in (3.9 mm)

CUL; UL; VDE

125 °C (257 °F)

Very Fast

CCMR02.5TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.5 A

End Cap

192 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

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

031502.5HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

130 J

-55 °C (-67 °F)

Matte Tin

100 A

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.275 in (6.99 x 32.39 mm)

1.275 in (32.39 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

043702.5WR

Littelfuse

Electric Fuse

Surface Mount

45 V

63 V

2.5 A

Wraparound

441 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

1 s

0.441

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

35 V

1206

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

0.033 in (0.835 mm)

CSA; CUL; UL

150 °C (302 °F)

Fast

043702.5WRA

Littelfuse

Electric Fuse

Surface Mount

45 V

63 V

2.5 A

Wraparound

441 mJ

-55 °C (-67 °F)

50 A

1 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

179120.2,5

Siba

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

26 J

Nickel

35 A

Bulk

0.205 in (5.2 mm)

250 V

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

SEMKO, UL, VDE

Time Lag

189140.2,5

Siba

Electric Fuse

Inline/Holder

500 V

400 V

2.5 A

End Cap

19 J

1.5 kA

Bulk

0.25 in (6.35 mm)

500 V

20 ms

0.248 x 1.26 in (6.3 x 32 mm)

1.252 in (31.8 mm)

UL

Time Lag

31302.5

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

2.5 A

End Cap

130 J

-55 °C (-67 °F)

Tin/Lead

100 A

4 h

130

0.25 in (6.35 mm)

Supplemental

e0

250 V

81.1 mΩ

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; METI; PSE; UL

125 °C (257 °F)

Slow

3405.0170.11

Schurter Ag

Electric Fuse

Surface Mount

250 V

125 V

2.5 A

Wraparound

4.8 J

-55 °C (-67 °F)

Tin

100 A

Bulk

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

7010.7100.13

Schurter Ag

Electric Fuse

Through Hole Mount

125 V

125 V

2.5 A

Pin Wire

1.4 J

-55 °C (-67 °F)

Tin

50 A

Bulk

0.091 in (2.3 mm)

e3

4 ms

0.091 x 0.315 in (2.3 x 8 mm)

0.093 x 0.315 in (2.36 x 8 mm)

0.315 in (8 mm)

CSA; GAMT1; UL

85 °C (185 °F)

Very Fast

BK-GMD-2.5-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

94 J

Nickel

100 A

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

94

Box

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)

CSA; PSE/JET; UL

Time Delay

BK/GMD-2.5-R

Cooper Industries

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

94 J

Nickel

100 A

94

Box

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)

CSA; PSEJET; UL

Time Delay

FNQ-2-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

2.5 A

End Cap

Nickel

10 kA

Bulk

0.406 in (10.3 mm)

CC

500 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

KLDR02.5T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.5 A

End Cap

200 kA

KLDR

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)

CSA; UL

Time Delay

KTK-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

Fast

MST2.5A250V

Spc Technology/ Multicomp

Electric Fuse

Through Hole Mount

250 V

250 V

2.5 A

Pin Wire

37.5 J

-55 °C (-67 °F)

100 A

0.329 in (8.35 mm)

0.169 in (4.3 mm)

20 ms

0.329 x 0.169 x 0.303 in (8.35 x 4.3 x 7.7 mm)

0.303 in (7.7 mm)

125 °C (257 °F)

Slow

TR/3216FF2.5-R

Eaton Corporation

Electric Fuse

Surface Mount

32 V

63 V

2.5 A

Wraparound

260 mJ

-55 °C (-67 °F)

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

0.26

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

63 V

1206

0.126 x 0.063 x 0.035 in (3.2 x 1.6 x 0.89 mm)

0.035 in (0.89 mm)

AEC-Q200; CSA; UL

125 °C (257 °F)

Fast

021702.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

9.46 J

-55 °C (-67 °F)

Matte Tin

35 A

10 ms

9.46

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)

Very Fast

023002.5HXP

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

Indicator

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

044802.5MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

1.156 J

-55 °C (-67 °F)

Gold

50 A

5 s

1.15

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

0692-2500-01

Bel Fuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

37 J

-55 °C (-67 °F)

Matte Tin

35 A

Box; Bulk

0.329 in (8.35 mm)

e3

250 V

20 ms

Micro

0.329 x 0.303 in (8.35 x 7.7 mm)

0.303 in (7.7 mm)

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

125 °C (257 °F)

Time Lag

0692-2500-02

Bel Fuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

37 J

-55 °C (-67 °F)

Matte Tin

35 A

Ammo Pack; Box

0.329 in (8.35 mm)

e3

250 V

20 ms

Micro

0.329 x 0.303 in (8.35 x 7.7 mm)

0.303 in (7.7 mm)

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

125 °C (257 °F)

Time Lag

3AG2.5-R

Bel Fuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

12 J

-55 °C (-67 °F)

200 A

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

Bulk; Tape And Reel

0.25 in (6.35 mm)

250 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)

Fast

BK/MDA-2-1/2-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

31.79 J

Nickel

200 A

2 m

Rated Breaking Capacity at 125 VDC: 10000 A

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

Time Delay

045202.5NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

15 J

-55 °C (-67 °F)

Gold with Nickel barrier

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

044302.5DR

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

2.5 A

Wraparound

18.13 J

-55 °C (-67 °F)

Silver

50 A

2 m

Rated Breaking Capacity at 125 VDC: 100 A

18.13

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

e4

250 V

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.12 in (3.05 mm)

CUL; IEC; PSE; TUV; UL

125 °C (257 °F)

Slow

046702.5NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

2.5 A

Wraparound

144 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A

0.144

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.813 mm)

Supplemental

e3

32 V

0603

0.063 x 0.032 x 0.012 in (1.6 x 0.813 x 0.305 mm)

0.012 in (0.305 mm)

CSA; UL

90 °C (194 °F)

Very Fast

37212500431

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

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.