315 mA Fuses 253

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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

04910.315MRT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

315 mA

Pin Wire

-55 °C (-67 °F)

Pure Tin

50 A

300 ms

Pre-Arcing Time: Open within 0.3 s at 300% Rated Current

Tape And Reel

0.11 in (2.8 mm)

Pico

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

3030315013

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

315 mA

Pin Wire

15 mJ

-25 °C (-13 °F)

Matte Tin

50 A

Rated Breaking Capacity at 63 VDC: 50 A

0.015

Bulk

0.236 in (6 mm)

Supplemental

e3

125 V

5 s

Micro

0.236 x 0.315 in (6 x 8 mm)

0.315 in (8 mm)

CSA; UL

70 °C (158 °F)

Fast

0662.315

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

315 mA

Pin Wire

104 mJ

-40 °C (-40 °F)

Matte Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

3700315000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

100 mJ

-40 °C (-40 °F)

Matte Tin

35 A

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

e3

20 ms

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; SEMKO; UL; VDE

85 °C (185 °F)

Fast

0219.315MRAET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

1.23 J

-55 °C (-67 °F)

150 A

1.23

Tape And Reel

0.217 in (5.5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.217 x 0.846 in (5.5 x 21.5 mm)

0.846 in (21.5 mm)

BSI, CCC, CE, CSA, UL, VDE

125 °C (257 °F)

Time Lag

1940315000

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

15 mJ

-25 °C (-13 °F)

1.5 kA

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; UL; VDE

70 °C (158 °F)

Very Fast

37403150000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

298 mJ

-40 °C (-40 °F)

Tin

50 A

1 m

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)

CSA, UL

85 °C (185 °F)

Time Lag

0216.315MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

10 mJ

-55 °C (-67 °F)

Tin

1.5 kA

0.01

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; SEMKO; UL; VDE

125 °C (257 °F)

Fast

3960315044

Littelfuse

Electric Fuse

Through Hole Mount

125 V

315 mA

Pin Wire

260 mJ

-40 °C (-40 °F)

Matte Tin

100 A

396

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

60 s

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

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Time Lag

0217.315TXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

110 mJ

-55 °C (-67 °F)

Matte Tin

35 A

10 ms

0.11

0.205 in (5.2 mm)

Supplemental

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; SEMKO; UL; VDE

125 °C (257 °F)

Very Fast

04910.315NAT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

315 mA

Pin Wire

-55 °C (-67 °F)

Pure Tin

50 A

300 ms

Pre-Arcing Time: Open within 0.3 s at 300% Rated Current

Ammo Pack

0.11 in (2.8 mm)

Pico

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0508.315MXEP

Littelfuse

Electric Fuse

Through Hole Mount

1 KV

1 KV

315 mA

Pin Wire

71 mJ

-55 °C (-67 °F)

10 kA

Bulk

0.275 in (6.99 mm)

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CUL; UL

125 °C (257 °F)

37403150430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

298 mJ

-40 °C (-40 °F)

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

217.315XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

315 mA

Pin Wire

110 mJ

35 A

0.236 in (6 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.886 in (22.5 mm)

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

Fast

37203150001

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

396.9 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

0.36

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; UL; VDE

85 °C (185 °F)

Time Lag

20103150021P

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

160 mJ

-25 °C (-13 °F)

80 A

5 ms

Pre Arcing Time: Open within 5 ms at 1000% Rated Current

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

Indicator

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CUL; UL

70 °C (158 °F)

Medium Time Lag

226.315

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

315 mA

Pin Wire

15 mJ

1.5 kA

226

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CSA; IEC; KTL; SEMKO; SEV; UL; VDE

Fast

3740315041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

260 mJ

-40 °C (-40 °F)

Matte Tin

50 A

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

0677.315

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

422 mJ

Tin Lead

35 A

677

0.154 in (3.9 mm)

e0

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CCC; CSA; IEC; UL; VDE

Slow

2010315000

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

160 mJ

-25 °C (-13 °F)

Matte Tin

80 A

Bulk

0.205 in (5.2 mm)

e3

5 ms

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

DIN 41571; UL

70 °C (158 °F)

Medium Time Lag

39503150000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

315 mA

Pin Wire

26 mJ

-40 °C (-40 °F)

Tin

100 A

1 m

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)

UL

85 °C (185 °F)

Fast

221.315

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

315 mA

Pin Wire

1.08 J

1.5 kA

10 ms

0.207 in (5.25 mm)

0.197 x 0.787 in (5 x 20 mm)

0.886 in (22.5 mm)

CCC; CSA; CUL; SEMKO; SEV; PSE; VDE; UL

Time Lag

0216.315MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

10 mJ

-55 °C (-67 °F)

Tin

1.5 kA

0.01

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; SEMKO; UL; VDE

125 °C (257 °F)

Fast

3720315041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

360 mJ

-40 °C (-40 °F)

Matte Tin

35 A

Bulk

0.335 in (8.5 mm)

e3

20 ms

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; KTL; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

216.315PMRET1

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

15 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

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; CSA; IEC; SEMKO; UL; VDE

125 °C (257 °F)

Fast

0663.315ZRLL

Littelfuse

Electric Fuse

315 mA

-40 °C (-40 °F)

35 A

0.8

Tape And Reel

0.335 in (8.5 mm)

250 V

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA, SEMKO, UL, VDE

85 °C (185 °F)

Time Lag

0491.315NRT1HF

Littelfuse

Electric Fuse

315 mA

Pin Wire

-55 °C (-67 °F)

4 h

Tape And Reel

0.11 in (2.8 mm)

125 V

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA, UL

125 °C (257 °F)

Very Fast

0663.315

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

800 mJ

35 A

663

0.335 in (8.5 mm)

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA; IEC; SEMKO; UL; VDE

Time Lag

0663.315MALL

Littelfuse

Electric Fuse

315 mA

-40 °C (-40 °F)

35 A

0.8

0.335 in (8.5 mm)

250 V

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA, SEMKO, UL, VDE

85 °C (185 °F)

Time Lag

3030315000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

315 mA

Pin Wire

15 mJ

-25 °C (-13 °F)

Matte Tin

50 A

Rated Breaking Capacity at 63 VDC: 50 A

0.015

Ammo Pack; Tape And Reel

0.236 in (6 mm)

Supplemental

e3

125 V

5 s

Micro

0.236 x 0.315 in (6 x 8 mm)

0.315 in (8 mm)

CSA; UL

70 °C (158 °F)

Fast

3720315051

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

360 mJ

-40 °C (-40 °F)

Matte Tin

35 A

Bulk

0.335 in (8.5 mm)

e3

20 ms

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; KTL; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

0677.315MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

422 mJ

-55 °C (-67 °F)

Tin

35 A

20 ms

Bulk

0.153 in (3.89 mm)

e3

0.142 x 0.394 in (3.6 x 10 mm)

0.433 in (11 mm)

CSA; CQC; UL; VDE

125 °C (257 °F)

Time Lag

0219.315MXAEP

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

Pin Wire

1.23 J

-55 °C (-67 °F)

Tin

150 A

20 ms

1.23

0.217 in (5.5 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)

0.846 in (21.5 mm)

CCC; CE; CSA; CUL; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0676.315MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

30 mJ

Tin Lead

35 A

0.03

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

Fast

0285.315MXRP

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

625 mJ

-55 °C (-67 °F)

1.5 kA

50 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)

125 °C (257 °F)

0453.315MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

315 mA

Wraparound

31.1 mJ

-55 °C (-67 °F)

Silver

50 A

Rated Breaking Capacity at 125 VDC: 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; UL

125 °C (257 °F)

Very Fast

0663.315HXLL

Littelfuse

Electric Fuse

315 mA

-40 °C (-40 °F)

35 A

0.8

0.335 in (8.5 mm)

250 V

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA, SEMKO, UL, VDE

85 °C (185 °F)

Time Lag

0451.315NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

315 mA

Wraparound

31.1 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

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)

Very Fast

0491.315NRT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

315 mA

Pin Wire

-55 °C (-67 °F)

50 A

4 h

Tape And Reel

0.11 in (2.8 mm)

125 V

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA, UL

125 °C (257 °F)

Very Fast

0216.315MRET5

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

10 mJ

-55 °C (-67 °F)

Tin

1.2 kA

Tape And Reel

0.236 in (6 mm)

e3

0.236 x 0.886 in (6 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; SEMKO; UL; VDE

125 °C (257 °F)

Fast

0676.315

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

30 mJ

Tin Lead

35 A

0.154 in (3.9 mm)

e0

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Fast

0216.315HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

10 mJ

-55 °C (-67 °F)

Tin

1.5 kA

0.01

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; SEMKO; UL; VDE

125 °C (257 °F)

Fast

215.315XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

1.08 J

-55 °C (-67 °F)

Tin

1.5 kA

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; CSA; IEC; SEV; SEMKO; UL

125 °C (257 °F)

Time Lag

0491.315MAT1HF

Littelfuse

Electric Fuse

315 mA

Pin Wire

-55 °C (-67 °F)

4 h

0.11 in (2.8 mm)

125 V

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA, UL

125 °C (257 °F)

Very Fast

0213.315MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

1.14 J

-55 °C (-67 °F)

35 A

1.14

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)

BSI, CCC, CE, CSA, UL, VDE

125 °C (257 °F)

Time Lag

1950315002

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

1.1 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)

BSI; CCCE; CUL; IMQ; SEMKO; UL; VDE

70 °C (158 °F)

Time Lag

1940315040

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

15 mJ

-25 °C (-13 °F)

1.5 kA

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; SEMKO; UL; VDE

70 °C (158 °F)

Very Fast

0451.315MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

315 mA

Wraparound

31.1 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

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)

Very 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.