Littelfuse Fuses 2,400+

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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

0508001MXEP

Littelfuse

Electric Fuse

Through Hole Mount

1 KV

1 KV

1 A

Pin Wire

449 mJ

-55 °C (-67 °F)

Tin

10 kA

4 h

0.449

Bulk

0.275 in (6.99 mm)

Supplemental

e3

1 KV

3AB

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)

37012000410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2 A

Pin Wire

980 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

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; PSE; UL; VDE

85 °C (185 °F)

Fast

37212000411

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2 A

Pin Wire

30 J

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

23

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; PSE; UL; VDE

85 °C (185 °F)

Time Lag

044301.5DR

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

1.5 A

Wraparound

14.72 J

-55 °C (-67 °F)

Silver

50 A

2 m

Rated Breaking Capacity at 125 VDC: 100 A

14.72

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

e4

250 V

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.12 in (3.05 mm)

CUL; IEC; PSE; TUV; UL

125 °C (257 °F)

Slow

0452007.MRL

Littelfuse

Electric Fuse

Surface Mount

72 V

75 V

7 A

Wraparound

123.83 J

-55 °C (-67 °F)

Gold

50 A

2 ms

Rated Breaking Capacity at 75 VDC: 100 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

72 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)

Slow

0218008.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

8 A

End Cap

341.5 J

-55 °C (-67 °F)

Nickel

80 A

341.5

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)

CE; CSA; IEC; KC; PSE; UL; VDE

125 °C (257 °F)

Time Lag

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)

0313010.MX250P

Littelfuse

Electric Fuse

Inline/Holder

250 V

10 A

End Cap

760 J

-55 °C (-67 °F)

Nickel

300 A

Bulk

1.25 in (31.75 mm)

1.25 x 0.25 in (31.75 x 6.35 mm)

0.25 in (6.35 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

SPFJ200.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

200 A

Tab/Blade

108 kJ

200 kA

10 m

Rated Breaking Capacity at 1000 VDC: 20000 A

Bulk

1.5 in (38.1 mm)

Midget

1.5 x 3 in (38.1 x 76.2 mm)

3.012 in (76.5 mm)

CE; IEC; UL; VDE

0215012.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

12 A

Pin Wire

515.5 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

515.5

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; IEC; CSA; KC; PSE; SEMKO; UL

125 °C (257 °F)

Time Lag

02400108P

Littelfuse

Electric Fuse

Inline/Holder

Tab/Blade

-40 °C (-40 °F)

Bulk

125 °C (257 °F)

0274002.V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2 A

Pin Wire

-55 °C (-67 °F)

Tin

100 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, UL

125 °C (257 °F)

Very Fast

0274.002V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

2 mA

Pin Wire

-55 °C (-67 °F)

100 kA

4 h

Bulk

0.25 in (6.35 mm)

125 V

Micro

0.25 x 0.35 in (6.35 x 8.89 mm)

0.35 in (8.89 mm)

CSA, UL

125 °C (257 °F)

Very Fast

0299050ZXNV

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

11.3 kJ

-40 °C (-40 °F)

Silver

Rated Breaking Capacity at 32 VDC: 1000 A

1.15 in (29.21 mm)

0.348 in (8.85 mm)

e4

1.15 x 0.348 x 0.85 in (29.21 x 8.85 x 21.59 mm)

0.85 in (21.59 mm)

125 °C (257 °F)

0299050.ZXNV

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

11.3 kJ

-40 °C (-40 °F)

Silver

1 kA

40 ms

11300

Bulk

1.15 in (29.2 mm)

0.346 in (8.8 mm)

e4

32 V

1.15 x 0.348 x 0.85 in (29.21 x 8.85 x 21.59 mm)

0.85 in (21.6 mm)

UL

125 °C (257 °F)

Time Delay

0454.500MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

240 mJ

-55 °C (-67 °F)

Silver

50 A

2 ms

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)

Slow

0505025.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

500 V

25 A

Pin Wire

210 J

-55 °C (-67 °F)

Matte Tin

30 kA

10 s

Rated Breaking Capacity at 500 VDC: 20000 A

210

Bulk

0.275 in (6.985 mm)

e3

500 V

3AB

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

125 °C (257 °F)

Fast

0895040.Z

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

Tab/Blade

5.5 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.571 in (14.5 mm)

0.472 in (12 mm)

58 V

0.63 in (16 mm)

ISO; SAE

125 °C (257 °F)

0895040Z

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

Tab/Blade

-40 °C (-40 °F)

1 kA

Bulk

0.571 in (14.5 mm)

0.472 in (12 mm)

0.571 x 0.472 x 0.63 in (14.5 x 12 x 16 mm)

0.63 in (16 mm)

125 °C (257 °F)

0251005.MRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

5 A

Pin Wire

4.14 J

-55 °C (-67 °F)

Matte Tin

50 A

4 ms

Pre-Arcing Time: Open within 4 ms at 1000% Rated Current

4.14

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)

CCC; CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0448002.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2 A

Wraparound

812 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.812

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; PSE; UL

125 °C (257 °F)

Very Fast

0453007MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

7 A

Wraparound

10.32 J

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.106 in (2.69 mm)

CSA; CUL; PSE; UL

125 °C (257 °F)

Very Fast

0453007.MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

7 A

Wraparound

10.32 J

-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)

CE; CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0456060.DRSDE

Littelfuse

Electric Fuse

Surface Mount

250 V

80 V

60 A

Wraparound

4.26 kJ

-55 °C (-67 °F)

150 A

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current; Rated Breaking Capacity at 80 VDC: 600 A

Tape And Reel

0.48 in (12.2 mm)

0.177 in (4.5 mm)

250 V

Nano

0.177 in (4.5 mm)

CUL; CSA; UL

125 °C (257 °F)

Fast

38212000410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2 A

Wire

17.8 J

-40 °C (-40 °F)

Matte Tin

100 A

150 ms

12

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; PSE; UL; VDE

85 °C (185 °F)

Time Lag

0216.050MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

50 mA

End Cap

190 μJ

-55 °C (-67 °F)

Nickel

1.5 kA

20 ms

0.0001

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)

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

125 °C (257 °F)

Fast

0242.160UAT1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

160 mA

Pin Wire

1.57 mJ

-40 °C (-40 °F)

Matte Tin Over Nickel

4 kA

4 h

Rated Breaking Capacity at 250 VDC: 4000 A

0.0015

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)

0459005UR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

Wraparound

3.9 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.285 in (7.24 mm)

0.17 in (4.32 mm)

e3

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

0459005.UR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

5 A

J Bend

3.9 J

-55 °C (-67 °F)

Tin

50 A

100 ms

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

3.9

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; PSE; UL

125 °C (257 °F)

Very Fast

0463015.ER

Littelfuse

Electric Fuse

Surface Mount

250 V

100 V

15 A

Wraparound

142 J

-55 °C (-67 °F)

Silver

100 A

1 m

Rated Breaking Capacity at 100 VDC: 50 A

Tape And Reel

0.398 in (10.1 mm)

0.12 in (3.05 mm)

e4

250 V

Nano

0.398 x 0.12 x 0.12 in (10.1 x 3.05 x 3.05 mm)

0.12 in (3.05 mm)

CE; CUL; PSE; UL

125 °C (257 °F)

Fast

0476002.MRSN

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

2 A

Wraparound

530 mJ

-55 °C (-67 °F)

Tin

100 A

1 ms

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 1 ms at 1000% Rated Current

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e3

Nano

0.106 in (2.69 mm)

CUL; PSE; UL

125 °C (257 °F)

Fast

0477008.MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

400 V

8 A

End Cap

203.52 J

-55 °C (-67 °F)

Nickel

100 A

10 ms

Rated Breaking Capacity at 400 VDC: 500 A

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)

CUL; PSE; UL

125 °C (257 °F)

Time Lag

0498030.M

Littelfuse

Electric Fuse

Inline/Holder

32 V

30 A

Tab/Blade

4.2 kJ

-40 °C (-40 °F)

Tin

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

e3

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.315 in (8 mm)

125 °C (257 °F)

Time Delay

35621000029

Littelfuse

Electric Fuse

Inline/Holder

440 V

10 A

End Cap

510 J

-25 °C (-13 °F)

1 kA

10 ms

Pre Arcing Time: Open within 0.01 s at 1000% Rated Current

Bulk

0.25 in (6.35 mm)

3AB

0.248 x 1.26 in (6.3 x 32 mm)

1.25 in (31.75 mm)

CE; CUL; UL

70 °C (158 °F)

Slow

38315000000

Littelfuse

Electric Fuse

Through Hole Mount

320 V

5 A

Pin Wire

121.25 J

-40 °C (-40 °F)

50 A

20 ms

Ammo Pack; Tape

0.335 in (8.5 mm)

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CE; CUL; PSE; UL; VDE

85 °C (185 °F)

Time Lag

FLNR150ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

150 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

1.594 in (40.5 mm)

Indicator

1.594 x 7.126 in (40.5 x 181 mm)

7.126 in (181 mm)

CSA; QPL; UL

Time Delay

FLNR.150ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

150 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

1.594 in (40.5 mm)

Indicator

1.594 x 7.126 in (40.5 x 181 mm)

7.126 in (181 mm)

CSA; QPL; UL

Time Delay

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

0312006.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

6 A

End Cap

118 J

-55 °C (-67 °F)

Nickel

200 A

5 s

118

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; KC; PSE; UL

125 °C (257 °F)

Fast

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

0443001.DR

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

1 A

Wraparound

10.17 J

-55 °C (-67 °F)

Silver

50 A

2 m

Rated Breaking Capacity at 125 VDC: 100 A

10.17

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

e4

250 V

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.12 in (3.05 mm)

CUL; IEC; PSE; TUV; UL

125 °C (257 °F)

Slow

0459.062UR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

62 mA

Wraparound

80 μJ

-55 °C (-67 °F)

Tin

50 A

4 h

Rated Breaking Capacity at 125 VDC: 300 A

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

0469005.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

5 A

Wraparound

5.62 J

-55 °C (-67 °F)

60 A

2 ms

0.21

Tape And Reel

0.129 in (3.27 mm)

0.064 in (1.63 mm)

32 V

35 mΩ

1206

0.129 x 0.064 x 0.035 in (3.27 x 1.63 x 0.9 mm)

0.035 in (0.9 mm)

CSA; CUL; UL

150 °C (302 °F)

Slow

0505010.MXP

Littelfuse

Electric Fuse

Inline/Holder

450 V

250 V

10 A

End Cap

91 J

-55 °C (-67 °F)

Nickel

20 kA

10 s

Rated Breaking Capacity at 250 VDC: 1000 A

91

Bulk

0.25 in (6.35 mm)

450 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CUL; SEMKO; UL

125 °C (257 °F)

Fast

0997010.WXN

Littelfuse

Electric Fuse

Inline/Holder

58 V

10 A

Tab/Blade

93 J

-40 °C (-40 °F)

Silver Over Nickel

1 kA

30 ms

0.429 in (10.9 mm)

0.15 in (3.8 mm)

e4

58 V

Mini

0.429 x 0.15 x 0.346 in (10.9 x 3.8 x 8.8 mm)

0.346 in (8.8 mm)

ISO; UL

125 °C (257 °F)

0997010WXN

Littelfuse

Electric Fuse

Inline/Holder

58 V

10 A

Tab/Blade

93 J

-40 °C (-40 °F)

Silver

1 kA

Rated Breaking Capacity at 58 VDC: 1000 A

Bulk

0.429 in (10.9 mm)

0.14 in (3.55 mm)

e4

0.429 x 0.14 x 0.346 in (10.9 x 3.55 x 8.8 mm)

0.346 in (8.8 mm)

125 °C (257 °F)

142.5631.5402

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

Tab/Blade

6.8 kJ

-40 °C (-40 °F)

Matte Tin

1 kA

6800

0.63 in (16 mm)

0.472 in (12 mm)

e3

58 V

0.472 x 0.307 x 0.63 in (12 x 7.8 x 16 mm)

0.307 in (7.8 mm)

UL

125 °C (257 °F)

166.7000.450.2

Littelfuse

Electric Fuse

5 A

Tab/Blade

Matte Tin

1 kA

24.3

0.748 in (19 mm)

0.197 in (5 mm)

Supplemental

e3

80 V

ATO

0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm)

0.52 in (13.2 mm)

CSA; UL

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.