12.5 A Fuses 43

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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

8020.5022

Schurter Ag

Electric Fuse

Inline/Holder

400 V

400 V

12.5 A

End Cap

710 J

-40 °C (-40 °F)

Nickel

1.5 kA

Rated Breaking Capacity at 400 VDC: 1000 A

Bulk

0.25 in (6.35 mm)

10 ms

0.248 x 1.26 in (6.3 x 32 mm)

0.25 x 1.252 in (6.35 x 31.8 mm)

1.252 in (31.8 mm)

CUL; UL

85 °C (185 °F)

Time Lag

021612.5MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

235 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

30 ms

175

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)

CE; CSA; IEC; PSE; UL

125 °C (257 °F)

Fast

0001.1015.PT

Schurter Ag

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

203 J

-55 °C (-67 °F)

Tin

500 A

203

Bulk

0.213 in (5.4 mm)

e3

10 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)

Very Fast

5ST12.5-R

Bel Fuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

490 J

-55 °C (-67 °F)

Nickel

35 A

Bulk; Tape And Reel

0.201 in (5.1 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.201 x 0.787 in (5.1 x 20 mm)

0.787 in (20 mm)

CE

125 °C (257 °F)

Time Lag

7022.0710

Schurter Ag

Electric Fuse

Inline/Holder

500 V

12.5 A

End Cap

26 J

-40 °C (-40 °F)

Tin/Tin Copper

10 kA

Bulk

0.25 in (6.35 mm)

e3/e2

3600 s

0.248 x 1.26 in (6.3 x 32 mm)

0.25 x 1.252 in (6.35 x 31.8 mm)

1.252 in (31.8 mm)

UL

85 °C (185 °F)

Super Fast

0001.1015

Schurter Ag

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

203 J

-55 °C (-67 °F)

Nickel

1 kA

Box

0.787 in (20 mm)

30 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)

CUL; METI; UL

125 °C (257 °F)

Very Fast

021812.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

889 J

-55 °C (-67 °F)

Matte Tin

63 A

20 ms

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)

CE; PSE; UL

125 °C (257 °F)

Time Lag

BK/S506-12.5-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

1.02 kJ

Nickel

125 A

1019.5

Bulk

0.205 in (5.2 mm)

250 V

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)

PSE; UL

Time Delay

021612.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

235 J

-55 °C (-67 °F)

Tin

1.5 kA

175

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)

CE; CSA; IEC; PSE; UL; VDE

125 °C (257 °F)

Fast

021612.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

235 J

-55 °C (-67 °F)

Nickel

1.5 kA

30 ms

175

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)

CE; CSA; IEC; PSE; UL; VDE

125 °C (257 °F)

Fast

021812.5MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

889 J

-55 °C (-67 °F)

Tin

63 A

20 ms

Bulk

0.217 in (5.5 mm)

e3

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)

CE; PSE; UL

125 °C (257 °F)

Time Lag

021612.5HXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

235 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)

CE; CSA; UL

125 °C (257 °F)

Fast

21612.5PM

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

158.5 J

-55 °C (-67 °F)

Matte Tin

750 A

216P

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; IEC; VDE

125 °C (257 °F)

Fast

021612.5MRET1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

235 J

-55 °C (-67 °F)

Tin

1.2 kA

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; CSA; UL

125 °C (257 °F)

Fast

021612.5MRET5

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

235 J

-55 °C (-67 °F)

Tin

1.2 kA

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; CSA; UL

125 °C (257 °F)

Fast

21612.5PMRET1

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

158.5 J

-55 °C (-67 °F)

Matte Tin

750 A

216P

Tape And Reel

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; IEC; VDE

125 °C (257 °F)

Fast

1952125040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

650 J

-25 °C (-13 °F)

63 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)

CUL; DIN; IEC; UL

70 °C (158 °F)

Time Lag

021612.5MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

235 J

-55 °C (-67 °F)

Tin

1.5 kA

175

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)

CE; CSA; IEC; PSE; UL; VDE

125 °C (257 °F)

Fast

21612.5PV

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

158.5 J

-55 °C (-67 °F)

Matte Tin

750 A

216P

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; IEC; VDE

125 °C (257 °F)

Fast

048712.5MXEP

Littelfuse

Electric Fuse

Through Hole Mount

420 V

420 V

12.5 A

Pin Wire

170 J

-60 °C (-76 °F)

Matte Tin

200 A

30 ms

Rated Breaking Capacity at 420 VDC: 300 A

Bulk

0.217 in (5.5 mm)

e3

0.197 x 0.787 in (5 x 20 mm)

0.846 in (21.5 mm)

CUL; TUV; UL

125 °C (257 °F)

Fast

21612.5P

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

158.5 J

-55 °C (-67 °F)

Matte Tin

750 A

216P

Bulk; Tape And Reel

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; IEC; VDE

125 °C (257 °F)

Fast

021612.5MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

235 J

-55 °C (-67 °F)

Tin

1.5 kA

175

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)

CE; CSA; IEC; PSE; UL; VDE

125 °C (257 °F)

Fast

021612.5P

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

235 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

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; UL; VDE

125 °C (257 °F)

Fast

1952125002

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

650 J

-25 °C (-13 °F)

63 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; UL

70 °C (158 °F)

Time Lag

021612.5TXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

235 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)

CE; CSA; UL

125 °C (257 °F)

Fast

1952125000

Littelfuse

Electric Fuse

12.5 A

-25 °C (-13 °F)

63 A

0.787 in (20 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 x 0.787 in (20 x 20 mm)

0.787 in (20 mm)

UL

70 °C (158 °F)

Time Lag

21612.5PH

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

158.5 J

-55 °C (-67 °F)

Matte Tin

750 A

216P

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; IEC; VDE

125 °C (257 °F)

Fast

021612.5MRET3

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

235 J

-55 °C (-67 °F)

Tin

1.2 kA

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; CSA; UL

125 °C (257 °F)

Fast

021812.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

889 J

-55 °C (-67 °F)

Tin

63 A

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; IEC; PSE; UL

125 °C (257 °F)

Time Lag

021612.5VXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

235 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)

CE; CSA; UL

125 °C (257 °F)

Fast

051412.5MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

12.5 A

End Cap

114 J

-55 °C (-67 °F)

5 kA

2 m

Bulk

0.25 in (6.35 mm)

3AB

1.25 in (31.75 mm)

125 °C (257 °F)

Fast

021612.5MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

235 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)

CE; CSA; UL

125 °C (257 °F)

Fast

021612.5MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

235 J

-55 °C (-67 °F)

Tin

1.5 kA

175

Tape And Reel

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)

CE; CSA; IEC; PSE; UL

125 °C (257 °F)

Fast

048712.5MXP

Littelfuse

Electric Fuse

Inline/Holder

420 V

420 V

12.5 A

End Cap

170 J

-60 °C (-76 °F)

200 A

30 ms

Rated Breaking Capacity at 420 VDC: 300 A

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CUL; TUV; UL

125 °C (257 °F)

Fast

021812.5MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

889 J

-55 °C (-67 °F)

Tin

63 A

Bulk

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

IEC; PSE; UL

125 °C (257 °F)

Time Lag

021812.5MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

889 J

-55 °C (-67 °F)

Tin

63 A

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)

IEC; PSE; UL

125 °C (257 °F)

Time Lag

1952125043

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

650 J

-25 °C (-13 °F)

63 A

Tape And Reel

0.213 in (5.4 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CUL; DIN; IEC; UL

70 °C (158 °F)

Time Lag

2312125000

Littelfuse

Electric Fuse

Inline/Holder

500 V

12.5 A

End Cap

38 J

-25 °C (-13 °F)

1 kA

Bulk

0.248 in (6.3 mm)

1 ms

0.248 x 1.26 in (6.3 x 32 mm)

0.126 in (3.2 mm)

70 °C (158 °F)

Very Fast

021612.5EP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

235 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

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; CSA; UL

125 °C (257 °F)

Fast

2312125002

Littelfuse

Electric Fuse

Inline/Holder

500 V

12.5 A

End Cap

38 J

-25 °C (-13 °F)

1 kA

Bulk

0.248 in (6.3 mm)

500 V

1 ms

3AB

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

70 °C (158 °F)

Very Fast

051412.5MXEP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

12.5 A

Pin Wire

114 J

-55 °C (-67 °F)

5 kA

2 m

Bulk

0.275 in (6.985 mm)

3AB

1.288 in (32.72 mm)

125 °C (257 °F)

Fast

021812.5HXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12.5 A

Pin Wire

889 J

-55 °C (-67 °F)

Tin

63 A

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)

CE; IEC; PSE; UL

125 °C (257 °F)

Time Lag

021812.5MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

12.5 A

End Cap

889 J

-55 °C (-67 °F)

Tin

63 A

Bulk

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

IEC; 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.