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 |
58 V |
20 A |
-40 °C (-40 °F) |
1 kA |
0.555 in (14.1 mm) |
0.472 in (12 mm) |
0.555 x 0.472 x 1.063 in (14.1 x 12 x 27 mm) |
1.063 in (27 mm) |
125 °C (257 °F) |
Slow |
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|
Littelfuse |
Electric Fuse |
Through Hole Mount |
32 V |
20 A |
Pin Wire |
1.029 kJ |
-55 °C (-67 °F) |
Tin |
300 A |
318 |
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) |
CSA; UL |
125 °C (257 °F) |
Fast |
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|
Littelfuse |
Electric Fuse |
20 A |
-55 °C (-67 °F) |
4 h |
Tape And Reel |
0.246 in (6.25 mm) |
0.104 in (2.64 mm) |
65 V |
0.246 x 0.104 x 0.093 in (6.25 x 2.64 x 2.36 mm) |
0.093 in (2.36 mm) |
CSA, TUV, UL |
125 °C (257 °F) |
Very Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
170 V |
20 A |
Tab/Blade |
Silver |
Rated Breaking Capacity at 170 VDC: 100000 |
0.563 in (14.3 mm) |
e4 |
0.563 x 1.26 in (14.3 x 32.004 mm) |
1.26 in (32.004 mm) |
UL |
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Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
20 A |
End Cap |
Bulk |
0.25 in (6.35 mm) |
32 V |
1.25 in (31.75 mm) |
Normal |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
20 A |
End Cap |
3.226 kJ |
-55 °C (-67 °F) |
400 A |
10 ms |
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) |
PSE |
125 °C (257 °F) |
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|
Littelfuse |
Electric Fuse |
20 A |
-40 °C (-40 °F) |
0.898 in (22.8 mm) |
0.638 in (16.2 mm) |
32 V |
0.898 x 0.638 x 0.846 in (22.8 x 16.2 x 21.5 mm) |
0.846 in (21.5 mm) |
125 °C (257 °F) |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
20 A |
End Cap |
200 kA |
0.811 in (20.6 mm) |
J |
600 V |
0.811 x 2.252 in (20.6 x 57.2 mm) |
2.252 in (57.2 mm) |
CE; CSA; QPL; UL |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
Tab/Blade |
1.1 kJ |
Silver |
1 kA |
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) |
UL |
Slow |
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|
Littelfuse |
Electric Fuse |
Through Hole Mount |
32 V |
20 A |
Pin Wire |
1.029 kJ |
-55 °C (-67 °F) |
Tin |
300 A |
318 |
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) |
CSA; UL |
125 °C (257 °F) |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
1 KV |
20 A |
Ferrule |
1.174 kJ |
Nickel |
20 kA |
4 m |
0.406 in (10.31 mm) |
Midget |
2.5 in (63.5 mm) |
CE; UL |
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Littelfuse |
Electric Fuse |
Inline/Holder |
20 A |
Tab/Blade |
Bulk |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
500 V |
20 A |
End Cap |
200 kA |
CCMR |
Rated Breaking Capacity at 500 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 |
32 V |
20 A |
End Cap |
9.56 kJ |
-55 °C (-67 °F) |
Matte Tin |
300 A |
4 h |
9560 |
Bulk |
0.25 in (6.35 mm) |
Supplemental |
e3 |
250 V |
3AG |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
UL |
125 °C (257 °F) |
Time Lag |
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Littelfuse |
Electric Fuse |
Inline/Holder |
690 V |
700 V |
20 A |
End Cap |
160 mJ |
200 kA |
Rated Breaking Capacity at 700 VDC: 100000 A |
0.551 in (14 mm) |
0.551 x 2.008 in (14 x 51 mm) |
2.008 in (51 mm) |
CSA; UL |
Very Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
60 V |
20 A |
End Cap |
575 J |
-55 °C (-67 °F) |
Matte Tin |
400 A |
Rated Breaking Capacity at 60 VDC: 500 A |
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; KTL; PSE; UL |
125 °C (257 °F) |
Time Lag |
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Littelfuse |
Electric Fuse |
Inline/Holder |
1 KV |
20 A |
End Cap |
20 kA |
0.406 in (10.3 mm) |
0.406 x 1.5 in (10.3 x 38.1 mm) |
1.5 in (38.1 mm) |
UL |
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Littelfuse |
Electric Fuse |
Inline/Holder |
150 V |
150 V |
20 A |
End Cap |
72 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 |
Through Hole Mount |
250 V |
250 V |
20 A |
Pin Wire |
2.6 kJ |
-55 °C (-67 °F) |
Tin |
400 A |
10 ms |
Pre Arcing Time: Open within 10 ms at 1000% Rated Current |
2600 |
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) |
IEC; PSE; UL |
125 °C (257 °F) |
Time Lag |
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Littelfuse |
Electric Fuse |
Inline/Holder |
15.5 KV |
20 A |
End Cap |
60 kA |
5 m |
3 in (76.2 mm) |
Striker |
3 x 23.875 in (76.2 x 606.43 mm) |
23.875 in (606.43 mm) |
Medium |
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Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
20 A |
End Cap |
Bulk |
0.25 in (6.35 mm) |
32 V |
1.25 in (31.75 mm) |
Normal |
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Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
20 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 |
5.5 KV |
20 A |
End Cap |
80 kA |
5 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 |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 V |
20 A |
End Cap |
123.8 J |
200 kA |
12 s |
Rated Breaking Capacity at 300 VDC: 20000 A |
0.406 in (10.3 mm) |
1.5 in (38.1 mm) |
CE; CSA; UL |
Time Delay |
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|
Littelfuse |
Electric Fuse |
Through Hole Mount |
32 V |
20 A |
Pin Wire |
1.029 kJ |
-55 °C (-67 °F) |
Tin |
300 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) |
CSA; UL |
125 °C (257 °F) |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
20 A |
End Cap |
0.25 in (6.35 mm) |
32 V |
7AG |
0.875 in (22.225 mm) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
20 A |
End Cap |
10 kA |
0.563 in (14.3 mm) |
2 in (50.8 mm) |
CE; CSA; UL |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
Tab/Blade |
1.3 kJ |
-40 °C (-40 °F) |
1 kA |
40 ms |
Bulk |
0.638 in (16.2 mm) |
0.256 in (6.5 mm) |
0.394 in (10 mm) |
125 °C (257 °F) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
20 A |
End Cap |
80 kA |
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 |
32 V |
20 A |
End Cap |
1.029 kJ |
-55 °C (-67 °F) |
Tin |
300 A |
312 |
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) |
CSA; UL |
125 °C (257 °F) |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
500 V |
20 A |
End Cap |
80 kA |
DZ |
Rated Breaking Capacity at 500 VDC: 80000 A |
0.846 in (21.5 mm) |
Indicator |
0.846 x 1.969 in (21.5 x 50 mm) |
1.969 in (50 mm) |
DIN; IEC; VDE |
Time Lag |
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Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
20 A |
End Cap |
80 kA |
20E-1C-5.5 |
3 in (76.2 mm) |
3 x 15.874 in (76.2 x 403.2 mm) |
15.874 in (403.2 mm) |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
300 V |
20 A |
End Cap |
10 kA |
0.406 in (10.31 mm) |
500 V |
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 |
Through Hole Mount |
32 V |
32 V |
20 A |
Wire |
203 J |
-60 °C (-76 °F) |
Tin |
100 A |
10 s |
Rated Breaking Capacity at 32 VDC: 300 A |
203 |
Bulk |
0.133 in (3.38 mm) |
e3 |
32 V |
Pico |
0.133 x 0.31 in (3.38 x 7.87 mm) |
0.31 in (7.87 mm) |
CUL; UL |
125 °C (257 °F) |
Very Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
600 V |
20 A |
End Cap |
2.12 kJ |
-55 °C (-67 °F) |
100 kA |
4 m |
0.406 in (10.31 mm) |
0.394 x 1.496 in (10 x 38 mm) |
1.5 in (38.1 mm) |
CE; CSA; IEC; UL; VDE |
125 °C (257 °F) |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
125 V |
20 A |
End Cap |
1.024 kJ |
-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 |
500 V |
500 V |
20 A |
End Cap |
Nickel |
200 kA |
Rated Breaking Capacity at 500 VDC: 150000 A |
0.406 in (10.31 mm) |
0.406 x 1.5 in (10.31 x 38.1 mm) |
1.5 in (38.1 mm) |
MIL-PRF-15160/60 |
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|
Littelfuse |
Electric Fuse |
20 A |
End Cap |
575 |
0.25 in (6.35 mm) |
Supplemental |
250 V |
3AB |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
CSA, UL |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
20 A |
End Cap |
0.25 in (6.35 mm) |
32 V |
8AG |
1 in (25.4 mm) |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
20 A |
End Cap |
10 kA |
2 m |
Bulk |
0.406 in (10.31 mm) |
5AG |
1.5 in (38.1 mm) |
CE; CSA; PSE; UL |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
250 V |
20 A |
End Cap |
200 kA |
KLB |
Rated Breaking Capacity at 250 VDC: 20000 A |
0.563 in (14.3 mm) |
0.563 x 2 in (14.3 x 50.8 mm) |
2 in (50.8 mm) |
CSA; UL |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
1.75 kJ |
-40 °C (-40 °F) |
1 kA |
0495 |
Bulk |
0.555 in (14.1 mm) |
0.472 in (12 mm) |
0.555 x 0.472 x 1.063 in (14.1 x 12 x 27 mm) |
1.063 in (27 mm) |
125 °C (257 °F) |
Time Delay |
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|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
60 V |
20 A |
Pin Wire |
575 J |
-55 °C (-67 °F) |
Matte Tin |
10 kA |
Rated Breaking Capacity at 60 VDC: 500 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; KTL; PSE; UL |
125 °C (257 °F) |
Time Lag |
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|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
60 V |
20 A |
Pin Wire |
575 J |
-55 °C (-67 °F) |
Matte Tin |
400 A |
Rated Breaking Capacity at 60 VDC: 500 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; KTL; PSE; UL |
125 °C (257 °F) |
Time Lag |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 V |
20 A |
End Cap |
200 kA |
Rated Breaking Capacity at 300 VDC: 20000 A |
0.563 in (14.3 mm) |
0.563 x 1.5 in (14.3 x 38.1 mm) |
1.5 in (38.1 mm) |
CSA; UL |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
600 V |
20 A |
End Cap |
200 kA |
Rated Breaking Capacity at 600 VDC: 20000 A |
Bulk |
0.815 in (20.7 mm) |
5 in (127 mm) |
CSA; UL |
Time Delay |
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|
Littelfuse |
Electric Fuse |
Through Hole Mount |
32 V |
20 A |
Tab/Blade |
331 J |
Tin |
1 kA |
Rated Breaking Capacity at 32 VDC: 1000 A |
Bulk |
0.469 in (11.9 mm) |
0.15 in (3.8 mm) |
e3 |
0.469 x 0.15 x 0.335 in (11.9 x 3.8 x 8.5 mm) |
0.335 in (8.5 mm) |
UL |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
Tab/Blade |
1.1 kJ |
-40 °C (-40 °F) |
1 kA |
40 ms |
Bulk |
1.15 in (29.2 mm) |
0.346 in (8.8 mm) |
0.85 in (21.6 mm) |
UL |
125 °C (257 °F) |
Slow |
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.