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 |
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Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
1 A |
End Cap |
5.64 J |
-55 °C (-67 °F) |
35 A |
0.177 in (4.5 mm) |
0.177 x 0.57 in (4.5 x 14.48 mm) |
0.57 in (14.48 mm) |
CE; CSA; METI; PSE; UL |
125 °C (257 °F) |
Slow |
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Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
8 A |
End Cap |
182.578 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) |
CE |
125 °C (257 °F) |
Medium |
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Littelfuse |
Electric Fuse |
Inline/Holder |
15.5 KV |
15 A |
End Cap |
80 kA |
Hermitically Sealed Part Number |
3 in (76.2 mm) |
3 x 18.875 in (76.2 x 479.43 mm) |
18.875 in (479.43 mm) |
Medium |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 V |
3.2 A |
End Cap |
10 kA |
12 s |
Pre Arcing Time: Open within 12 s at 200% Rated Current |
Bulk |
0.406 in (10.31 mm) |
250 V |
0.394 x 1.496 in (10 x 38 mm) |
0.406 x 1.5 in (10.3 x 38.1 mm) |
1.5 in (38.1 mm) |
CE; CSA; QPL; UL |
Time Delay |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
600 mA |
End Cap |
3.9 J |
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 |
Slow |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
125 V |
2 A |
End Cap |
10.2 J |
-55 °C (-67 °F) |
300 A |
5 m |
0.839 in (21.3 mm) |
0.228 in (5.8 mm) |
125 V |
Alarm; Indicator |
0.772 in (19.6 mm) |
CSA; UL |
125 °C (257 °F) |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
150 V |
150 V |
30 A |
End Cap |
250 mJ |
100 kA |
Rated Breaking Capacity at 150 VDC: 100000 A |
0.409 in (10.4 mm) |
0.409 x 1.5 in (10.4 x 38.1 mm) |
1.5 in (38.1 mm) |
UL |
Very Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 V |
800 mA |
End Cap |
200 kA |
Rated Breaking Capacity at 500 VDC: 20000 A |
0.406 in (10.3 mm) |
0.406 x 1.5 in (10.3 x 38.1 mm) |
1.5 in (38.1 mm) |
CE; CSA; UL |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
1.6 A |
End Cap |
7.14 J |
-55 °C (-67 °F) |
Nickel |
100 A |
232 |
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) |
CE; METI |
125 °C (257 °F) |
Medium |
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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 |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
4 A |
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; UL |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
650 A |
End Cap |
2.9 kA |
Part Number With Hookeye Attachment |
6.38 in (162.05 mm) |
6.38 x 15.875 in (162.05 x 403.23 mm) |
15.875 in (403.23 mm) |
Medium |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
300 V |
10 A |
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 |
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Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
200 mA |
End Cap |
16.5 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 |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
400 mA |
End Cap |
58.45 mJ |
-55 °C (-67 °F) |
Nickel |
35 A |
5 s |
Bulk |
0.205 in (5.2 mm) |
250 V |
0.197 x 0.787 in (5 x 20 mm) |
0.787 x 0.205 in (20 x 5.2 mm) |
0.787 in (20 mm) |
CE, CSA, UL |
125 °C (257 °F) |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
400 mA |
End Cap |
125 mJ |
-55 °C (-67 °F) |
35 A |
10 ms |
Bulk |
0.205 in (5.2 mm) |
0.197 x 0.787 in (5 x 20 mm) |
0.787 in (20 mm) |
BSI; CCC; CE; CSA; IEC; KC; SEMKO; UL; VDE |
125 °C (257 °F) |
Very Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
200 A |
End Cap |
80 kA |
LCU |
Hermitically Sealed Part Number |
3 in (76.2 mm) |
3 x 17.875 in (76.2 x 454.03 mm) |
17.875 in (454.03 mm) |
Medium |
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Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
50 A |
End Cap |
80 kA |
LCU |
3 in (76.2 mm) |
3 x 17.875 in (76.2 x 454.03 mm) |
17.875 in (454.03 mm) |
Medium |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
1.5 KV |
32 A |
End Cap |
4.35 kJ |
50 kA |
6 m |
Bulk |
0.406 in (10.31 mm) |
4.333 in (110.06 mm) |
CUL; TUV; UL |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
2.25 A |
End Cap |
121 J |
-60 °C (-76 °F) |
Nickel |
100 A |
5 s |
121 |
Bulk |
0.25 in (6.35 mm) |
Supplemental |
250 V |
3AG |
1.25 x 0.25 in (31.75 x 6.35 mm) |
1.25 in (31.75 mm) |
CE; CSA; KC; PSE; UL |
125 °C (257 °F) |
Time Lag |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
750 mA |
End Cap |
1.84 J |
Nickel |
35 A |
0.25 in (6.35 mm) |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
CE; CSA; UL |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
300 V |
350 mA |
End Cap |
1 kA |
70 |
Rated Breaking Capacity at 300 VDC: 1000 A |
Alarm |
UL |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 mA |
End Cap |
33 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 |
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Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
125 V |
15 A |
End Cap |
Tin/Lead |
300 A |
481 |
Rated Breaking Capacity at 125 VDC: 200 A |
e0 |
Alarm |
CSA; UL |
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Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
125 V |
4 A |
End Cap |
Tin/Lead |
481 |
e0 |
Alarm |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
200 mA |
End Cap |
16.5 mJ |
-55 °C (-67 °F) |
Nickel |
35 A |
312 |
Bulk |
0.25 in (6.35 mm) |
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 |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 V |
2.25 A |
End Cap |
1.126 J |
Nickel |
200 kA |
12 s |
Rated Breaking Capacity at 300 VDC: 20000 A |
Bulk |
0.406 in (10.3 mm) |
0.406 x 1.5 in (10.3 x 38.1 mm) |
1.5 in (38.1 mm) |
CE; CSA; UL |
Time Delay |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
125 V |
1 A |
End Cap |
1.82 J |
-55 °C (-67 °F) |
300 A |
5 m |
0.701 in (17.8 mm) |
0.228 in (5.8 mm) |
125 V |
Alarm; Indicator |
0.772 in (19.6 mm) |
CSA; UL |
125 °C (257 °F) |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
2.75 KV |
150 A |
End Cap |
80 kA |
10 m |
6.382 in (162.1 mm) |
Striker |
3 x 10.875 in (76.2 x 276.23 mm) |
10.874 in (276.2 mm) |
Medium |
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Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
450 A |
End Cap |
1.95 kA |
15 s |
6.382 in (162.1 mm) |
Striker |
6.38 x 15.875 in (162.05 x 403.23 mm) |
15.874 in (403.2 mm) |
40 °C (104 °F) |
Medium |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
300 V |
500 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 |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
30 A |
End Cap |
0.25 in (6.35 mm) |
32 V |
1.438 in (36.5125 mm) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
8 A |
End Cap |
Bulk |
0.25 in (6.35 mm) |
32 V |
3AG |
1.25 in (31.75 mm) |
Normal |
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Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
250 V |
600 mA |
End Cap |
Nickel |
593 |
|||||||||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
1 A |
End Cap |
2.22 J |
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; METI; MIL; PSE; UL |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 V |
2.8 A |
End Cap |
21.28 J |
Nickel |
200 kA |
12 s |
Rated Breaking Capacity at 300 VDC: 20000 A |
Bulk |
0.406 in (10.3 mm) |
0.406 x 1.5 in (10.3 x 38.1 mm) |
1.5 in (38.1 mm) |
CE; CSA; UL |
Time Delay |
|||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
4 A |
End Cap |
100 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 |
Fast |
||||||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 V |
3.2 A |
End Cap |
200 kA |
Rated Breaking Capacity at 300 VDC: 20000 A |
0.811 in (20.6 mm) |
Indicator |
0.811 x 5 in (20.6 x 127 mm) |
5 in (127 mm) |
CSA; QPL; UL |
Time Delay |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
4 A |
End Cap |
270.703 J |
-55 °C (-67 °F) |
Matte Tin |
10 kA |
Bulk; Tape And Reel |
0.787 in (20 mm) |
e3 |
0.787 x 0.205 in (20 x 5.2 mm) |
0.205 in (5.2 mm) |
CE; CSA; KTL; PSE; UL |
125 °C (257 °F) |
Time Lag |
|||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
80 mA |
End Cap |
75 mJ |
-55 °C (-67 °F) |
Tin |
35 A |
0.075 |
Bulk |
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; SEV; UL; VDE |
125 °C (257 °F) |
Time Lag |
|||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
4 A |
End Cap |
17.14 J |
-55 °C (-67 °F) |
10 kA |
5 s |
Bulk |
0.197 in (5 mm) |
125 V |
0.197 x 0.787 in (5 x 20 mm) |
0.787 in (20 mm) |
125 °C (257 °F) |
Fast |
||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
7 A |
End Cap |
464 J |
-55 °C (-67 °F) |
Tin |
400 A |
229P |
0.177 in (4.5 mm) |
e3 |
0.177 x 0.57 in (4.5 x 14.48 mm) |
0.57 in (14.48 mm) |
CE; METI; PSE; UL |
125 °C (257 °F) |
Slow |
|||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 V |
1.25 A |
End Cap |
200 kA |
Rated Breaking Capacity at 125 VDC: 20000 A |
Bulk |
0.563 in (14.3 mm) |
0.563 x 2 in (14.3 x 50.8 mm) |
2 in (50.8 mm) |
CSA; UL |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
700 V |
1.4 kA |
End Cap |
480 J |
200 kA |
2.933 in (74.5 mm) |
2.933 in (74.5 mm) |
Indicator |
2.933 x 2.933 x 1.929 in (74.5 x 74.5 x 49 mm) |
1.929 in (49 mm) |
UL |
Very Fast |
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|
Littelfuse |
Electric Fuse |
Surface Mount |
125 V |
125 V |
62 mA |
End Cap |
100 μJ |
-65 °C (-85 °F) |
Silver |
50 A |
Tape And Reel |
0.24 in (6.1 mm) |
0.109 in (2.77 mm) |
e4 |
5 s |
0.24 x 0.109 x 0.109 in (6.1 x 2.77 x 2.77 mm) |
0.109 in (2.77 mm) |
CSA; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
50 mA |
End Cap |
490 μJ |
-55 °C (-67 °F) |
35 A |
3 ms |
Bulk |
0.205 in (5.2 mm) |
0.197 x 0.787 in (5 x 20 mm) |
0.787 in (20 mm) |
CCC; CE; CSA; IEC; KC; SEMKO; UL; VDE |
125 °C (257 °F) |
Very Fast |
||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
6 A |
End Cap |
45 J |
-55 °C (-67 °F) |
Nickel |
750 A |
45 |
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, PSE, UL |
125 °C (257 °F) |
Fast |
||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
200 A |
End Cap |
80 kA |
10 m |
3 in (76.2 mm) |
Striker |
3 x 17.875 in (76.2 x 454.03 mm) |
17.875 in (454.03 mm) |
Medium |
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.