630 mA Fuses 382

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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

0253.630MXT3

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1000 ms at 200% Rated Current

Bulk

0.11 in (2.8 mm)

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

37306300000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

630 mA

Pin Wire

45 mJ

-40 °C (-40 °F)

Tin

50 A

5 s

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)

CSA; CUL; UL

85 °C (185 °F)

Very Fast

0216.630EP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

630 mA

Pin Wire

175 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

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

20106300021P

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

809 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

227.630

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

630 mA

Pin Wire

420 mJ

35 A

227

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

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

Fast

0253.630MRT3

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1000 ms at 200% Rated Current

Tape And Reel

0.103 in (2.61 mm)

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0213.630P

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

4.8 J

-55 °C (-67 °F)

Nickel

35 A

213P

Bulk; Tape And Reel

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; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

0251.630MXHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Matte Tin

50 A

251

Rated Breaking Capacity at 125 VDC: 300 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)

CSA; UL

125 °C (257 °F)

Very Fast

3720630041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

630 mA

Pin Wire

2.5 J

-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

0253.630PRL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Tin

50 A

0253

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

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)

CSA; UL

125 °C (257 °F)

Very Fast

0251.630PR

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1000 ms at 200% Rated Current

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)

CSA; UL

125 °C (257 °F)

Very Fast

0665.630HXLL

Littelfuse

Electric Fuse

630 mA

-40 °C (-40 °F)

50 A

4 h

2.24

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, UL

85 °C (185 °F)

Time Lag

0253.630NXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Tin

50 A

0253

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

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)

CSA; UL

125 °C (257 °F)

Very Fast

0218.630TXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

4.675 J

-55 °C (-67 °F)

Nickel

35 A

20 ms

4.675

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)

BSI, CCC, CE, CSA, KC, SEMKO, UL, VDE

125 °C (257 °F)

Time Lag

0251.630MR

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1000 ms at 200% Rated Current

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)

CSA; UL

125 °C (257 °F)

Very Fast

0251.630NRHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 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)

CSA; UL

125 °C (257 °F)

Very Fast

0251.630HXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

80 mJ

-55 °C (-67 °F)

Tin

50 A

1 s

Pre Arcing Time: Open within 1 s at 200% Rated Current

Bulk

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)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0217.630TXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

410 mJ

-55 °C (-67 °F)

Matte Tin

35 A

10 ms

0.41

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; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Very Fast

218.630P

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

4.674 J

-55 °C (-67 °F)

Tin

35 A

20 ms

Pre Arcing Time: Open within 20 ms at 1000% Rated Current

Bulk; Tape And Reel

0.205 in (5.2 mm)

Supplemental

e3

250 V

275 mΩ

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; KTL; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

213.63

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

4.8 J

-55 °C (-67 °F)

Nickel

100 A

Bulk; Tape And Reel

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; SEMKO; UL

125 °C (257 °F)

Time Lag

4620.6300000

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

630 mA

Wraparound

800 mJ

-40 °C (-40 °F)

Tin

150 A

10 ms

0.8

Tape And Reel

0.413 in (10.5 mm)

0.177 in (4.5 mm)

e3

250 V

Nano

0.177 x 0.177 x 0.413 in (4.5 x 4.5 x 10.5 mm)

0.177 in (4.5 mm)

CUL; UL

85 °C (185 °F)

Time Lag

0251.630MXT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1000 ms at 200% Rated Current

Bulk

0.11 in (2.8 mm)

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

0219.630A

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

4.8 J

150 A

219A

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

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

Time Lag

217.630XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

630 mA

Pin Wire

420 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)

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

Fast

0453.630NRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

630 mA

Wraparound

138.1 mJ

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

5 s

Nano

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0251.630NRT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1000 ms at 200% Rated Current

Tape And Reel

0.11 in (2.8 mm)

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

0251.630MXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

80 mJ

-55 °C (-67 °F)

Matte Tin

50 A

1 s

Pre Arcing Time: Open within 1 s at 200% Rated Current

Bulk

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)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0253.630PAT3

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1000 ms at 200% Rated Current

Ammo Pack

0.11 in (2.8 mm)

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

0491.630NAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

-55 °C (-67 °F)

50 A

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

0251.630HR

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1000 ms at 200% Rated Current

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)

CSA; UL

125 °C (257 °F)

Very Fast

0217.630MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

410 mJ

-55 °C (-67 °F)

Tin

35 A

10 ms

Bulk

0.205 in (5.2 mm)

e3

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Very Fast

4620630DR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

630 mA

Wraparound

600 mJ

-40 °C (-40 °F)

Tin

150 A

462

Rated Breaking Capacity at 250 VDC: 150 A

Tape And Reel

0.413 in (10.5 mm)

0.185 in (4.7 mm)

e3

10 ms

0.413 x 0.185 x 0.177 in (10.5 x 4.7 x 4.5 mm)

0.177 in (4.5 mm)

IEC; UL; VDE

85 °C (185 °F)

Time Lag

3700630000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

630 mA

Pin Wire

76 mJ

-40 °C (-40 °F)

Matte Tin

35 A

370

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

0251.630PAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Matte Tin

50 A

251

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

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)

CSA; UL

125 °C (257 °F)

Very Fast

216.630PH

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

179 mJ

-55 °C (-67 °F)

Matte Tin

1.5 kA

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; CSA; IEC; SEMKO; UL; VDE

125 °C (257 °F)

Fast

3740630000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

630 mA

Pin Wire

750 mJ

-40 °C (-40 °F)

Tin

50 A

Tape And Reel

0.335 in (8.5 mm)

e3

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Time Lag

2010630000

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

600 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

0251.630HRT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1000 ms at 200% Rated Current

Tape And Reel

0.11 in (2.8 mm)

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

0677.630

Littelfuse

Electric Fuse

Through Hole Mount

250 V

630 mA

Pin Wire

2.55 J

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)

CCC; CSA; IEC; UL; VDE

Slow

0216.630MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

175 mJ

-55 °C (-67 °F)

Tin

1.5 kA

0.175

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)

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

125 °C (257 °F)

Fast

0216.630VXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

630 mA

Pin Wire

175 mJ

-55 °C (-67 °F)

Tin

1.2 kA

Bulk

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

0217.630HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

410 mJ

-55 °C (-67 °F)

Tin

35 A

10 ms

Bulk

0.205 in (5.2 mm)

e3

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Very Fast

0251.630NXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

80 mJ

-55 °C (-67 °F)

Tin

50 A

1 s

Pre Arcing Time: Open within 1 s at 200% Rated Current

Bulk

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)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0216.630P

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

175 mJ

-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)

CCC; CE; CSA; SEMKO; UL; VDE

125 °C (257 °F)

Fast

0676.630

Littelfuse

Electric Fuse

Through Hole Mount

250 V

630 mA

Pin Wire

202 mJ

Tin Lead

35 A

676

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

3960630000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

630 mA

Pin Wire

750 mJ

-40 °C (-40 °F)

Tin

100 A

Ammo Pack; Tape And Reel

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

0253.630NRT3L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

630 mA

Pin Wire

94 mJ

-55 °C (-67 °F)

Tin Over Copper

50 A

0253

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

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)

CSA; UL

125 °C (257 °F)

Very Fast

0662.630HXLL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

630 mA

Pin Wire

150 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

Bulk

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

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.