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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
250 V |
20 A |
Pin Wire |
2.507 kJ |
-55 °C (-67 °F) |
Matte Tin |
1.5 kA |
4 h |
2500 |
Bulk |
0.275 in (6.99 mm) |
e3 |
250 V |
3AB |
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 |
||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
32 V |
32 V |
20 A |
Pin Wire |
-55 °C (-67 °F) |
Tin |
50 A |
276 |
Rated Breaking Capacity at 32 VDC: 300 A |
0.133 in (3.38 mm) |
e3 |
0.133 x 0.31 in (3.38 x 7.87 mm) |
0.31 in (7.87 mm) |
CSA; UL |
125 °C (257 °F) |
Very Fast |
||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
170 V |
20 A |
Tab/Blade |
Silver |
100 kA |
0.563 in (14.3 mm) |
e4 |
0.563 x 0.88 in (14.3 x 22.35 mm) |
0.88 in (22.35 mm) |
CE; UL |
||||||||||||||||||
Littelfuse |
Electric Fuse |
20 A |
End Cap |
50 kA |
2 in (50.8 mm) |
K5 |
250 V |
2 in (50.8 mm) |
CE; CSA; UL |
Fast |
|||||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
58 V |
20 A |
Tab/Blade |
600 J |
Tin |
Rated Breaking Capacity at 58 VDC: 1000 A |
0.748 in (19 mm) |
0.197 in (5 mm) |
e3 |
0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm) |
0.52 in (13.2 mm) |
UL |
||||||||||||||||
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 |
|||||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
20 A |
End Cap |
1.8 kJ |
-25 °C (-13 °F) |
1.5 kA |
Bulk |
0.248 in (6.3 mm) |
120 s |
0.248 x 1.26 in (6.3 x 32 mm) |
1.26 in (32 mm) |
CSA; UL |
70 °C (158 °F) |
Medium Time Lag |
|||||||||||||||
Littelfuse |
Electric Fuse |
Through Hole Mount |
280 V |
20 A |
Pin Wire |
Tin |
50 A |
324P |
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; METI; PSE; UL |
Fast |
|||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
End Cap |
9.56 kJ |
Tin |
300 A |
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; PSE; UL |
Slow |
||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
15.5 KV |
20 A |
End Cap |
80 kA |
LDN |
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 |
|||||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
Tab/Blade |
1.75 kJ |
-40 °C (-40 °F) |
1 kA |
495 |
Bulk |
0.555 in (14.1 mm) |
0.476 in (12.1 mm) |
0.555 x 0.476 x 1.063 in (14.1 x 12.1 x 27 mm) |
1.063 in (27 mm) |
125 °C (257 °F) |
||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
Tab/Blade |
400 J |
-40 °C (-40 °F) |
1 kA |
20 ms |
Bulk |
0.358 in (9.1 mm) |
0.15 in (3.8 mm) |
32 V |
Micro |
0.602 in (15.3 mm) |
125 °C (257 °F) |
||||||||||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
125 V |
100 V |
20 A |
Wraparound |
18 J |
-55 °C (-67 °F) |
Silver |
100 A |
4 h |
Rated Breaking Capacity at 100 VDC: 300 A |
18 |
Tape And Reel |
0.398 in (10.1 mm) |
0.123 in (3.12 mm) |
e4 |
125 V |
Nano |
0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm) |
0.123 in (3.12 mm) |
PSE; UL |
125 °C (257 °F) |
Very Fast |
||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
15.5 KV |
20 A |
End Cap |
80 kA |
5 m |
3 in (76.2 mm) |
Striker |
3 x 18.875 in (76.2 x 479.43 mm) |
18.875 in (479.43 mm) |
Medium |
|||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
Tab/Blade |
1.9 kJ |
169 |
Rated Breaking Capacity at 32 VDC: 1000 A |
1.169 in (29.7 mm) |
0.358 in (9.1 mm) |
1.169 x 0.358 x 0.839 in (29.7 x 9.1 x 21.3 mm) |
0.839 in (21.3 mm) |
UL |
|||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
20 A |
Tab/Blade |
10 kA |
0.56 in (14.22 mm) |
0.51 x 2.454 in (12.95 x 62.33 mm) |
3.07 in (77.98 mm) |
Time Delay |
|||||||||||||||||||||
|
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 |
||||||||||||
|
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 |
|||||||||||||||||
|
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) |
||||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
1.5 KV |
20 A |
End Cap |
701 J |
Nickel |
30 kA |
4 m |
Bulk |
0.406 in (10.31 mm) |
1.5 KV |
0.406 x 4.354 in (10.31 x 110.6 mm) |
4.333 in (110.06 mm) |
CUL; TUV; UL |
|||||||||||||||
|
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) |
CE; UL |
125 °C (257 °F) |
Fast |
||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
Tab/Blade |
-40 °C (-40 °F) |
40 ms |
0.864 in (21.95 mm) |
0.593 in (15.05 mm) |
32 V |
0.864 x 0.593 x 0.929 in (21.95 x 15.05 x 23.6 mm) |
0.929 in (23.6 mm) |
125 °C (257 °F) |
|||||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
32 V |
20 A |
Pin Wire |
1.414 kJ |
-55 °C (-67 °F) |
Tin |
300 A |
10 s |
Bulk |
0.275 in (6.99 mm) |
e3 |
3AG |
0.275 x 1.288 in (6.99 x 32.72 mm) |
1.288 in (32.72 mm) |
CUL; UL |
125 °C (257 °F) |
Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
Tab/Blade |
520 J |
-40 °C (-40 °F) |
Tin/Copper |
1 kA |
0257 |
Rated Breaking Capacity at 32 VDC: 1000 A |
Bulk |
0.75 in (19.05 mm) |
0.2 in (5.08 mm) |
e2 |
0.75 x 0.2 x 0.48 in (19.05 x 5.08 x 12.19 mm) |
0.48 in (12.19 mm) |
UL |
105 °C (221 °F) |
|||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
Tab/Blade |
1.1 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) |
|||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
20 A |
End Cap |
0.25 in (6.35 mm) |
32 V |
1.25 in (31.75 mm) |
|||||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
170 V |
20 A |
Tab/Blade |
Silver |
100 kA |
Rated Breaking Capacity at 170 VDC: 100000 A |
0.563 in (14.3 mm) |
e4 |
0.563 x 0.88 in (14.3 x 22.35 mm) |
0.88 in (22.35 mm) |
CE; UL |
|||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
End Cap |
9.56 kJ |
-55 °C (-67 °F) |
Matte Tin |
300 A |
313 |
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) |
UL |
125 °C (257 °F) |
Time Lag |
||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
58 V |
20 A |
Tab/Blade |
420 J |
-40 °C (-40 °F) |
1 kA |
100 ms |
Bulk |
0.429 in (10.9 mm) |
0.15 in (3.8 mm) |
Mini |
0.283 in (7.2 mm) |
125 °C (257 °F) |
|||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
20 A |
End Cap |
Bulk |
0.25 in (6.35 mm) |
32 V |
7AG |
0.875 in (22.22 mm) |
Normal |
|||||||||||||||||||
Littelfuse |
Electric Fuse |
20 A |
End Cap |
10 kA |
0.406 in (10.3 mm) |
250 V |
Midget |
0.406 x 1.5 in (10.3 x 38.1 mm) |
1.5 in (38.1 mm) |
CSA, UL |
Time Lag |
||||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
58 V |
20 A |
Tab/Blade |
600 J |
Tin |
Rated Breaking Capacity at 58 VDC: 1000 A |
0.748 in (19 mm) |
0.197 in (5 mm) |
e3 |
0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm) |
0.52 in (13.2 mm) |
UL |
||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
20 A |
End Cap |
Silver |
10 kA |
0.25 in (6.35 mm) |
e4 |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
MIL-PRF-15160/3 |
|||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
Tab/Blade |
520 J |
-40 °C (-40 °F) |
Silver |
1 kA |
100 ms |
Bulk |
0.752 in (19.1 mm) |
0.201 in (5.1 mm) |
e4 |
0.74 in (18.8 mm) |
UL |
105 °C (221 °F) |
|||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
Tab/Blade |
380 J |
-40 °C (-40 °F) |
0297 |
Rated Breaking Capacity at 32 VDC: 1000 A |
0.429 in (10.9 mm) |
0.15 in (3.8 mm) |
0.429 x 0.15 x 0.346 in (10.9 x 3.8 x 8.8 mm) |
0.346 in (8.8 mm) |
125 °C (257 °F) |
|||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
58 V |
20 A |
Tab/Blade |
1.9 kJ |
142 |
Rated Breaking Capacity at 58 VDC: 1000 A |
Bulk |
1.169 in (29.7 mm) |
0.358 in (9.1 mm) |
1.169 x 0.358 x 0.839 in (29.7 x 9.1 x 21.3 mm) |
0.839 in (21.3 mm) |
DIN 72581-3; UL |
||||||||||||||||
|
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) |
CE; UL |
125 °C (257 °F) |
Fast |
||||||||||||
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
20 A |
Pin Wire |
2.6 kJ |
-55 °C (-67 °F) |
400 A |
2600 |
0.217 in (5.5 mm) |
250 V |
0.197 x 0.787 in (5 x 20 mm) |
0.217 x 0.846 in (5.5 x 21.5 mm) |
0.846 in (21.5 mm) |
125 °C (257 °F) |
Time Lag |
|||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
1 KV |
20 A |
End Cap |
1.313 kJ |
20 kA |
4 m |
1313 |
Bulk |
0.406 in (10.31 mm) |
0.406 x 2.5 in (10.31 x 63.5 mm) |
2.5 in (63.5 mm) |
CE, TUV, UL |
||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
20 A |
End Cap |
1.029 kJ |
-55 °C (-67 °F) |
Tin |
300 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) |
CSA; UL |
125 °C (257 °F) |
Fast |
||||||||||||
|
Littelfuse |
Electric Fuse |
20 A |
End Cap |
-55 °C (-67 °F) |
Nickel |
200 A |
4 h |
192 |
0.25 in (6.35 mm) |
Supplemental |
65 V |
3AB |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
CE, UL |
125 °C (257 °F) |
Very Fast |
|||||||||||||
|
Littelfuse |
Electric Fuse |
20 A |
Tab/Blade |
Matte Tin |
1 kA |
4 d 4 h |
648 |
0.748 in (19 mm) |
0.197 in (5 mm) |
e3 |
32 V |
3.4 mΩ |
ATO |
0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm) |
0.52 in (13.2 mm) |
Fast |
||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
20 A |
End Cap |
Bulk |
0.25 in (6.35 mm) |
32 V |
8AG |
1 in (25.4 mm) |
Normal |
|||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
280 V |
125 V |
20 A |
Pin Wire |
631 J |
-55 °C (-67 °F) |
Tin |
350 A |
4 h |
Rated Breaking Capacity at 125 VDC: 10000 A |
631 |
Bulk |
0.275 in (6.99 mm) |
Supplemental |
e3 |
280 V |
3AB |
0.275 x 1.288 in (6.99 x 32.72 mm) |
1.288 in (32.72 mm) |
CE; UL |
125 °C (257 °F) |
Fast |
||||||
|
Littelfuse |
Electric Fuse |
20 A |
Tab/Blade |
-40 °C (-40 °F) |
Silver |
1 kA |
380 |
0.429 in (10.9 mm) |
0.15 in (3.8 mm) |
e4 |
32 V |
3.21 mΩ |
0.429 x 0.15 x 0.346 in (10.9 x 3.8 x 8.8 mm) |
0.346 in (8.8 mm) |
UL |
125 °C (257 °F) |
||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
20 A |
End Cap |
Bulk |
0.25 in (6.35 mm) |
32 V |
1AG |
0.625 in (15.87 mm) |
Normal |
|||||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
20 A |
End Cap |
10 kA |
UL |
Medium Time Delay |
|||||||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
58 V |
20 A |
Tab/Blade |
420 J |
-40 °C (-40 °F) |
Silver |
1 kA |
Bulk |
0.429 in (10.9 mm) |
0.15 in (3.8 mm) |
e4 |
0.429 x 0.15 x 0.331 in (10.9 x 3.8 x 8.4 mm) |
0.331 in (8.4 mm) |
125 °C (257 °F) |
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.