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

02170.25HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

40 mJ

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Fast

ABC-1/4-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

250 mA

End Cap

2 mJ

Nickel

35 A

2 m

Pre Arcing Time: Open within 120 s at 200% Rated Current

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

Fast

AGC-1/4

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

14.8 mJ

Nickel

35 A

0.25 in (6.35 mm)

32 V

0.248 x 1.26 in (6.3 x 32 mm)

0.248 x 1.26 in (6.3 x 32 mm)

1.25 in (31.75 mm)

CSA; UL

Fast

BK/AGC-1/4-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

14.8 mJ

Nickel

35 A

Box

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Fast

CC12H250MA-TR

Eaton Corporation

Electric Fuse

Surface Mount

63 V

250 mA

Wraparound

380 μJ

-55 °C (-67 °F)

50 A

5 s

Pre Arcing Time: Open within 5 s at 350% Rated Current

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

63 V

1206

0.035 in (0.89 mm)

CUL; UL

125 °C (257 °F)

0304.250HR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

250 mA

J Bend

6.62 mJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

56 °C (132.8 °F)

0218.250HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

540.5 mJ

-55 °C (-67 °F)

Nickel

35 A

0.5405

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)

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

125 °C (257 °F)

Time Lag

0438.250WR

Littelfuse

Electric Fuse

Surface Mount

63 V

250 mA

Wraparound

1.7 mJ

-55 °C (-67 °F)

Matte Tin

50 A

4 h

0.0017

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

63 V

2.02 Ω

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

Fast

SF-0603FP025F-2

Bourns

Electric Fuse

Surface Mount

35 V

65 V

250 mA

Wraparound

1.62 mJ

-55 °C (-67 °F)

Tin Over Nickel

13 A

200 ms

Rated Breaking Capacity at 35 VDC: 50 A

Tape And Reel, 7 inch

0.063 in (1.6 mm)

0.032 in (0.81 mm)

e3

0603

0.063 x 0.032 x 0.012 in (1.6 x 0.81 x 0.3 mm)

0.012 in (0.3 mm)

UL

90 °C (194 °F)

Fast

0312.250HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

35.5 mJ

-55 °C (-67 °F)

Nickel

35 A

5 s

0.035

Tape And Reel

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)

CE; CSA; UL

125 °C (257 °F)

Fast

0313.250HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

385 mJ

-55 °C (-67 °F)

Nickel

35 A

4 h

0.385

Bulk

0.25 in (6.35 mm)

Supplemental

250 V

3AG

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

F0402E0R25FSTR

KYOCERA AVX

Electric Fuse

Surface Mount

32 V

32 V

250 mA

Wraparound

50 μJ

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

Tape And Reel, 7 inch

0.039 in (1 mm)

0.022 in (0.55 mm)

e3

0402

0.039 x 0.022 x 0.016 in (1 x 0.55 x 0.4 mm)

0.016 in (0.4 mm)

125 °C (257 °F)

Fast

0273.250H

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

6.4 mJ

-55 °C (-67 °F)

Tin

10 kA

4 h

Bulk

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; QPL; UL

85 °C (185 °F)

Very Fast

39602500440

Littelfuse

Electric Fuse

Through Hole Mount

125 V

250 mA

Pin Wire

170 mJ

-40 °C (-40 °F)

Matte Tin

100 A

1 m

0.17

Bulk

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)

Time Lag

TR/3216FF250-R

Eaton Corporation

Electric Fuse

Surface Mount

32 V

63 V

250 mA

Wraparound

380 μJ

-55 °C (-67 °F)

50 A

5 s

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

0.0003

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

0215.250MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

250 mA

End Cap

545 mJ

-55 °C (-67 °F)

Nickel

1.5 kA

5 ms

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

0.545

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; IEC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0251.250MRT1L

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

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

0.0116

Tape And Reel

0.11 in (2.8 mm)

Supplemental

e3

125 V

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

02512.50MRT1L

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

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

0.0116

Tape And Reel

0.11 in (2.8 mm)

Supplemental

e3

125 V

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

0213.250MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

555 mJ

-55 °C (-67 °F)

Tin

35 A

20 ms

0.555

Bulk

0.205 in (5.2 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)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

0242.250UAT1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

250 mA

Pin Wire

5.79 mJ

-40 °C (-40 °F)

Matte Tin Over Nickel

4 kA

4 h

Rated Breaking Capacity at 250 VDC: 4000 A

0.0058

Ammo Pack; Tape And Reel

0.119 in (3.02 mm)

e3

250 V

0.119 x 0.331 in (3.02 x 8.4 mm)

0.331 in (8.4 mm)

UL

125 °C (257 °F)

0263.250MXL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 mA

Pin Wire

16.5 mJ

-55 °C (-67 °F)

50 A

100 ms

Bulk

0.155 in (3.94 mm)

250 V

Pico

CSA, UL

125 °C (257 °F)

Very Fast

0263.250WRT1L

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

0494.250NRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

250 mA

Wraparound

3 mJ

-55 °C (-67 °F)

50 A

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.813 mm)

200 ms

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)

Fast

37402500410

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

BK-MDL-1/4-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

447 mJ

Nickel

35 A

Box

0.25 in (6.35 mm)

250 V

0.252 x 1.248 in (6.4 x 31.7 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Time Delay

BK/MDL-1/4-R

Cooper Electronic Technologies

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

447 mJ

Nickel

35 A

MDL

Box

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Time Delay

F0805B0R25FSTR

KYOCERA AVX

Electric Fuse

Surface Mount

63 V

63 V

250 mA

Wraparound

30 μJ

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

Tape And Reel, 7 inch

0.083 in (2.1 mm)

0.05 in (1.27 mm)

e3

0805

0.083 x 0.05 x 0.035 in (2.1 x 1.27 x 0.9 mm)

0.035 in (0.9 mm)

125 °C (257 °F)

Fast

TR/0603FA250-R

Eaton Corporation

Electric Fuse

Surface Mount

50 V

250 mA

Wraparound

400 μJ

-55 °C (-67 °F)

50 A

1 m

0.0004

Tape And Reel, Paper, 7 inch

0.063 in (1.6 mm)

0.032 in (0.81 mm)

50 V

0603

0.063 x 0.032 x 0.019 in (1.6 x 0.81 x 0.48 mm)

0.019 in (0.48 mm)

AEC-Q200; CSA; UL

125 °C (257 °F)

Fast

0202.250HXG

Littelfuse

Electric Fuse

Surface Mount

250 V

250 mA

Gull Wing

14.7 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

2 s

0.014

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)

Fast

0251.250.NRT1L

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

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; QPL; UL

125 °C (257 °F)

Very Fast

0251.250HAT1L

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

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

0251.250NAT1L

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

0251.250NRT1L

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

1 s

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

0.0116

Tape And Reel

0.11 in (2.8 mm)

Supplemental

e3

125 V

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

02512.50HAT1L

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

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

02512.50NAT1L

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

02512.50NRT1L

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

1 s

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

0.0116

Tape And Reel

0.11 in (2.8 mm)

Supplemental

e3

125 V

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

0259.250M

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

250 mA

Pin Wire

9.5 mJ

-55 °C (-67 °F)

50 A

5 s

Rated Breaking Capacity at 125 VDC: 300 A

0.0095

Bulk

0.512 in (13 mm)

Pico

0.512 x 0.315 in (13 x 8 mm)

0.315 in (8 mm)

EN; IEC; UL

125 °C (257 °F)

Fast

0448.250MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

15.2 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.015

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; UL

125 °C (257 °F)

Very Fast

04482.50MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

15.2 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.015

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; UL

125 °C (257 °F)

Very Fast

37202500431

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

0440.250WR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

6.49 mJ

-55 °C (-67 °F)

Tin

50 A

4 h

0.0064

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

125 V

1206

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

0.032 in (0.82 mm)

CSA; UL

150 °C (302 °F)

0459.250UR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

J Bend

10.6 mJ

-55 °C (-67 °F)

Matte Tin

50 A

100 ms

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

0.01

Tape And Reel

0.285 in (7.24 mm)

0.17 in (4.32 mm)

e3

125 V

Pico

0.285 x 0.17 x 0.12 in (7.24 x 4.32 x 3.05 mm)

0.12 in (3.05 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0467.250NR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

250 mA

Wraparound

3 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

200 ms

Pre Arcing Time: Open within 0.2 s at 300% Rated Current

0.003

Tape And Reel

0.063 in (1.6 mm)

0.032 in (0.813 mm)

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

272.250

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

250 mA

Tab/Blade

6.4 mJ

-55 °C (-67 °F)

Tin Lead

10 kA

Rated Breaking Capacity at 125 VDC: 10000 A

0.235 in (5.97 mm)

e0

0.235 x 0.287 in (5.97 x 7.3 mm)

0.287 in (7.3 mm)

CSA; UL

125 °C (257 °F)

Very Fast

277.250

Littelfuse

Electric Fuse

125 V

125 V

250 mA

277

BK/S506-V-250-R

Eaton Corporation

Electric Fuse

Through Hole Mount

250 mA

Pin Wire

35 A

0.265

0.218 in (5.54 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.218 x 0.831 in (5.54 x 21.1 mm)

0.831 in (21.1 mm)

BSI, CCC, CSA, IMQ, SEMKO, UL, VDE

Time Lag

HVJ-1/4

Eaton Corporation

Electric Fuse

Inline/Holder

5 KV

250 mA

End Cap

0.811 in (20.6 mm)

0.811 x 4.996 in (20.6 x 126.9 mm)

4.996 in (126.9 mm)

MDL-1/4-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 mA

End Cap

447 mJ

Nickel

35 A

0.25 in (6.35 mm)

250 V

0.252 x 1.248 in (6.4 x 31.7 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Time Delay

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.