250 mA Fuses 885

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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

0219.250AXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

555 mJ

150 A

219A

0.228 in (5.8 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

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

Time Lag

0251.250PAHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

11.6 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; QPL; UL

125 °C (257 °F)

Very Fast

218.250XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

555 mJ

-55 °C (-67 °F)

Tin

35 A

218

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)

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

125 °C (257 °F)

Time Lag

0312.250VX

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

35.5 mJ

-55 °C (-67 °F)

Tin

35 A

312

Bulk

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; UL

125 °C (257 °F)

Fast

0215.250MX

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

545 mJ

-55 °C (-67 °F)

Tin

1.5 kA

Bulk

0.205 in (5.2 mm)

e3

250 V

5 µs

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CE; CUL; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

FLM1/4

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; QPL; UL

Slow

0203.250HXG

Littelfuse

Electric Fuse

Surface Mount

250 V

250 mA

Gull Wing

12.6 mJ

-55 °C (-67 °F)

Tin Lead

50 A

4 h

0.012

Bulk

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

250 V

0.372 x 0.25 x 0.165 in (9.45 x 6.35 x 4.19 mm)

0.165 in (4.19 mm)

CSA; UL

125 °C (257 °F)

Slow

02740.250H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Wire

6.4 mJ

-55 °C (-67 °F)

10 kA

5 s

Bulk

0.25 in (6.35 mm)

125 V

Micro

0.35 in (8.89 mm)

CSA; QPL; UL

85 °C (185 °F)

Very Fast

0253.250PRL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

11.6 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; QPL; UL

125 °C (257 °F)

Very Fast

0253.250MXT3L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

11.6 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A

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; QPL; UL

125 °C (257 °F)

Very Fast

0267.250V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

250 mA

Pin Wire

-55 °C (-67 °F)

Gold

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.093 in (2.36 mm)

Supplemental

e4

125 V

Pico

0.093 x 0.28 in (2.36 x 7.11 mm)

0.28 in (7.11 mm)

CSA; QPL

125 °C (257 °F)

Very Fast

279.250

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

6.4 mJ

-55 °C (-67 °F)

Tin Lead

10 kA

5 s

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

0.25 in (6.35 mm)

e0

125 V

Micro

0.25 x 0.35 in (6.35 x 8.89 mm)

0.35 in (8.89 mm)

CSA; UL

85 °C (185 °F)

Very Fast

0253.250T1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

11.6 mJ

-55 °C (-67 °F)

Pure Tin

50 A

0253

Rated Breaking Capacity at 125 VDC: 300 A

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; PSE; QPL; UL

125 °C (257 °F)

Very Fast

0251.250PAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

11.6 mJ

-55 °C (-67 °F)

Tin

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

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; QPL; UL

125 °C (257 °F)

Very Fast

0269.250V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

-55 °C (-67 °F)

Gold

10 kA

Bulk

e4

CSA; QPL; UL

125 °C (257 °F)

Very Fast

269.250

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

250 mA

Tab/Blade

-55 °C (-67 °F)

Gold

10 kA

Rated Breaking Capacity at 125 VDC: 10000 A

0.235 in (5.97 mm)

e4

0.235 x 0.29 in (5.97 x 7.37 mm)

0.29 in (7.37 mm)

CSA; QPL; UL

125 °C (257 °F)

Very Fast

CCMR.250TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

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

0665.250MALL

Littelfuse

Electric Fuse

250 mA

-40 °C (-40 °F)

50 A

4 h

0.258

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

3720250010

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

280 mJ

Matte Tin

35 A

Bulk

0.335 in (8.5 mm)

e3

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; IEC; KTL; SEMKO; UL; VDE

0239.250P

Littelfuse

Electric Fuse

Inline/Holder

125 V

250 mA

End Cap

340 mJ

-55 °C (-67 °F)

Nickel

35 A

239

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; KTL; UL

125 °C (257 °F)

Time Lag

0326.250VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

250 mA

End Cap

-55 °C (-67 °F)

4 h

0.432

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)

CE, CSA, UL

125 °C (257 °F)

Time Lag

0230.250MXF1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

250 mA

Pin Wire

216 mJ

-55 °C (-67 °F)

Matte Tin

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

3030250000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

250 mA

Pin Wire

8.2 mJ

-25 °C (-13 °F)

Matte Tin

50 A

Rated Breaking Capacity at 63 VDC: 50 A

0.0082

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

1950250002

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

320 mJ

-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

0251.250NRT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

11.6 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; QPL; UL

125 °C (257 °F)

Very Fast

2010250002

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

130 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

0318.250HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

35.5 mJ

-55 °C (-67 °F)

Tin

35 A

5 s

0.0355

Tape And Reel

0.275 in (6.99 mm)

e3

250 V

3AG

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; UL

125 °C (257 °F)

Fast

273.250

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

6.4 mJ

-55 °C (-67 °F)

Tin

10 kA

5 s

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

0.0064

0.25 in (6.35 mm)

e3

125 V

Micro

0.25 x 0.35 in (6.35 x 8.89 mm)

0.35 in (8.89 mm)

CSA; UL

85 °C (185 °F)

Very Fast

0263.250MRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

16.5 mJ

-55 °C (-67 °F)

Pure Tin

50 A

0263

Tape And Reel

0.155 in (3.94 mm)

0.155 x 0.28 in (3.94 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0203.250URG

Littelfuse

Electric Fuse

Surface Mount

250 V

250 mA

Gull Wing

12.6 mJ

-55 °C (-67 °F)

Tin Lead

50 A

4 h

0.012

Tape And Reel

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

250 V

0.372 x 0.25 x 0.165 in (9.45 x 6.35 x 4.19 mm)

0.165 in (4.19 mm)

CSA; UL

125 °C (257 °F)

Slow

0263.250HRT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

16.5 mJ

-55 °C (-67 °F)

Matte Tin

50 A

100 ms

0.0165

Tape And Reel

0.155 in (3.94 mm)

e3

250 V

Pico

0.155 x 0.28 in (3.94 x 7.11 mm)

CSA, UL

125 °C (257 °F)

Very Fast

FLQ.250R

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

250 mA

End Cap

10 kA

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0453.250MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

15.8 mJ

-55 °C (-67 °F)

Silver

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)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

37202500511

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

493.8 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

0.28

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; UL; VDE

85 °C (185 °F)

Time Lag

3720250051

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

280 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

201P0250043

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

130 mJ

-25 °C (-13 °F)

Tin

80 A

Tape And Reel

0.205 in (5.2 mm)

e3

250 V

5 ms

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

UL

70 °C (158 °F)

Medium Time Lag

215.250P

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

545 mJ

-55 °C (-67 °F)

Tin

1.5 kA

215P

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)

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

125 °C (257 °F)

Time Lag

0263.250MXT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

16.5 mJ

-55 °C (-67 °F)

Matte Tin

50 A

4 h

0.0165

Bulk

0.155 in (3.94 mm)

e3

250 V

Pico

0.155 x 0.28 in (3.94 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

216.250

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

250 mA

End Cap

8.91 mJ

-55 °C (-67 °F)

Nickel

1.5 kA

0.0092

Bulk; Tape And Reel

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; SEMKO; UL

125 °C (257 °F)

Fast

3250.25MVXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

250 mA

Pin Wire

432 mJ

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

0325.250VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

250 mA

Pin Wire

-55 °C (-67 °F)

Tin

4 h

0.432

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE, CSA, UL

125 °C (257 °F)

Time Lag

374025000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

170 mJ

-40 °C (-40 °F)

Matte Tin

50 A

1 m

Ammo Pack; Tape

0.335 in (8.5 mm)

e3

TR5

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Time Lag

0251.250PX

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

11.6 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

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; QPL; UL

125 °C (257 °F)

Very Fast

37402500430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

313 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

0253.250VRL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

11.6 mJ

-55 °C (-67 °F)

Pure Tin

50 A

253

Rated Breaking Capacity at 125 VDC: 300 A

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; QPL; UL

125 °C (257 °F)

Very Fast

288.250

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

30 mJ

35 A

288

0.177 in (4.5 mm)

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CSA; MIL; PSE; UL

Fast

216.250PV

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

8.91 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

0253.250HAL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

11.6 mJ

-55 °C (-67 °F)

Tin

50 A

0253

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

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; QPL; 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.