| 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 |
450 V |
250 V |
10 A |
Pin Wire |
91 J |
-55 °C (-67 °F) |
Tin |
20 kA |
10 s |
Rated Breaking Capacity at 250 VDC: 1000 A |
Bulk |
0.275 in (6.985 mm) |
e3 |
450 V |
3AB |
1.288 in (32.72 mm) |
CE; CUL; SEMKO; UL |
125 °C (257 °F) |
Fast |
|||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
32 V |
10 A |
Pin Wire |
-55 °C (-67 °F) |
Tin |
300 A |
Bulk |
1.273 in (32.34 mm) |
e3 |
1.273 x 0.275 in (32.34 x 6.98 mm) |
0.275 in (6.98 mm) |
UL |
125 °C (257 °F) |
Time Lag |
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|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
250 V |
10 A |
Pin Wire |
154.34 J |
-55 °C (-67 °F) |
1.5 kA |
Bulk |
0.205 in (5.2 mm) |
0.205 x 0.787 in (5.2 x 20 mm) |
0.787 in (20 mm) |
CE; CSA; IEC; KC; PSE; VDE; UL |
125 °C (257 °F) |
Fast |
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|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
10 A |
End Cap |
568 J |
-55 °C (-67 °F) |
Tin |
100 A |
568 |
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) |
CE; CSA; IEC; KC; PSE; UL; VDE |
125 °C (257 °F) |
Time Lag |
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|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
10 A |
Pin Wire |
290.665 J |
-60 °C (-76 °F) |
Tin |
100 A |
2 m |
Pre Arcing Time: Open within 2 m at 200% Rated Current |
Bulk |
0.217 in (5.5 mm) |
e3 |
0.197 x 0.787 in (5 x 20 mm) |
0.228 x 0.886 in (5.8 x 22.5 mm) |
0.846 in (21.5 mm) |
CE; KC; PSE |
125 °C (257 °F) |
Medium |
||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
300 V |
10 A |
End Cap |
1 kA |
70 |
Rated Breaking Capacity at 300 VDC: 1000 A |
Alarm |
UL |
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|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
10 A |
Pin Wire |
25.5 J |
-55 °C (-67 °F) |
Tin |
50 A |
0253 |
Rated Breaking Capacity at 125 VDC: 300 A |
Ammo Pack |
0.103 in (2.61 mm) |
e3 |
0.103 x 0.28 in (2.61 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
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|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
10 A |
Pin Wire |
298.5 J |
100 A |
232 |
0.205 in (5.2 mm) |
0.205 x 0.787 in (5.2 x 20 mm) |
0.787 in (20 mm) |
KTL; METI; PSE |
Medium |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
125 V |
10 A |
End Cap |
-55 °C (-67 °F) |
Tin Lead |
300 A |
10 m |
Rated Breaking Capacity at 125 VDC: 200 A |
115.3 |
0.7 in (17.78 mm) |
0.315 in (8 mm) |
e0 |
125 V |
Alarm |
0.7 x 0.315 x 0.772 in (17.78 x 8 x 19.6 mm) |
0.772 in (19.6 mm) |
CSA; UL |
90 °C (194 °F) |
Fast |
|||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 V |
10 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 |
600 V |
250 V |
10 A |
End Cap |
200 kA |
KLSR |
Rated Breaking Capacity at 250 VDC: 20000 A |
0.811 in (20.6 mm) |
5 in (127 mm) |
CSA; UL |
Fast |
||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
350 V |
125 V |
10 A |
Gull Wing |
93 J |
-40 °C (-40 °F) |
Tin |
100 A |
446P |
Rated Breaking Capacity at 125 VDC: 50 A |
Tape And Reel |
0.43 in (10.92 mm) |
0.345 in (8.76 mm) |
e3 |
0.43 x 0.345 x 0.15 in (10.92 x 8.76 x 3.81 mm) |
0.15 in (3.81 mm) |
CSA; PSE; UL |
125 °C (257 °F) |
Fast |
||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 V |
10 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 |
|||||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
10 A |
Pin Wire |
298 J |
-55 °C (-67 °F) |
Tin |
200 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; CSA; KTL; PSE; UL |
125 °C (257 °F) |
Fast |
||||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
10 A |
End Cap |
217.635 J |
-55 °C (-67 °F) |
100 A |
10 ms |
Tape And Reel |
0.205 in (5.2 mm) |
0.197 x 0.787 in (5 x 20 mm) |
0.787 in (20 mm) |
CE; CSA; PSE; UL; VDE |
125 °C (257 °F) |
Very Fast |
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|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
300 V |
10 A |
Tab/Blade |
-55 °C (-67 °F) |
10 kA |
Rated Breaking Capacity at 300 VDC: 10000 A |
Bulk |
0.406 in (10.31 mm) |
0.394 x 1.496 in (10 x 38 mm) |
1.5 in (38.1 mm) |
CE, UL |
125 °C (257 °F) |
Time Delay |
||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
1 KV |
10 A |
End Cap |
395.556 J |
20 kA |
40 m |
0.406 in (10.31 mm) |
Midget |
1.5 in (38.1 mm) |
CCC; CE; IEC; UL; VDE |
||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
10 A |
End Cap |
-55 °C (-67 °F) |
200 kA |
0.811 in (20.6 mm) |
5 in (127 mm) |
CSA; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
10 A |
End Cap |
333.565 J |
-55 °C (-67 °F) |
1.5 kA |
333.56 |
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) |
125 °C (257 °F) |
Time Lag |
|||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
10 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 |
10 A |
End Cap |
234.6 J |
-55 °C (-67 °F) |
Nickel |
100 A |
388 |
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; KTL; PSE |
125 °C (257 °F) |
|||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
10 A |
Wire |
365 J |
-40 °C (-40 °F) |
Matte Tin |
100 A |
150 ms |
260 |
Ammo Pack |
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) |
CUL; PSE; UL |
85 °C (185 °F) |
Time Lag |
|||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
10 A |
Pin Wire |
25.5 J |
-55 °C (-67 °F) |
Tin |
50 A |
30 ms |
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; TUV; UL |
125 °C (257 °F) |
Very Fast |
|||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
10 A |
Tab/Blade |
93 J |
-40 °C (-40 °F) |
1 kA |
30 ms |
Box |
0.429 in (10.9 mm) |
0.15 in (3.8 mm) |
0.346 in (8.8 mm) |
UL |
125 °C (257 °F) |
|||||||||||||||
|
Littelfuse |
Electric Fuse |
10 A |
-25 °C (-13 °F) |
50 A |
31 |
Tape And Reel |
0.094 in (2.4 mm) |
125 V |
Pico |
0.094 x 0.283 in (2.4 x 7.2 mm) |
0.283 in (7.2 mm) |
CSA, UL |
70 °C (158 °F) |
Fast |
|||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
10 A |
End Cap |
50 kA |
1.563 in (39.69 mm) |
1.563 x 9.5 in (39.69 x 241.3 mm) |
9.5 in (241.3 mm) |
Medium |
|||||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 V |
10 A |
End Cap |
200 kA |
0.563 in (14.3 mm) |
Indicator |
0.563 x 2 in (14.3 x 50.8 mm) |
2 in (50.8 mm) |
CSA; UL |
Time Delay |
||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
10 A |
End Cap |
298.5 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) |
KTL; METI; PSE |
125 °C (257 °F) |
Medium |
|||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
10 A |
Tab/Blade |
84 J |
-40 °C (-40 °F) |
1 kA |
Bulk |
0.469 in (11.9 mm) |
0.15 in (3.8 mm) |
20 ms |
0.335 in (8.5 mm) |
85 °C (185 °F) |
Very Fast |
||||||||||||||||
|
|
Littelfuse |
Electric Fuse |
10 A |
End Cap |
-55 °C (-67 °F) |
Nickel |
400 A |
4 h |
137 |
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) |
CE, CSA, PSE, UL |
125 °C (257 °F) |
Time Lag |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
10 A |
End Cap |
80 kA |
5 m |
3 in (76.2 mm) |
Striker |
3 x 15.875 in (76.2 x 403.23 mm) |
15.874 in (403.2 mm) |
Medium |
|||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
250 V |
10 A |
Pin Wire |
-55 °C (-67 °F) |
4 h |
137 |
0.275 in (6.985 mm) |
250 V |
3AB |
0.275 x 1.288 in (6.985 x 32.72 mm) |
1.288 in (32.72 mm) |
CE, CSA, PSE, UL |
125 °C (257 °F) |
Time Lag |
||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
10 A |
Tab/Blade |
115 J |
-40 °C (-40 °F) |
Tin |
1 kA |
0257 |
0.75 in (19.05 mm) |
0.2 in (5.08 mm) |
e3 |
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 |
Through Hole Mount |
125 V |
125 V |
10 A |
Pin Wire |
25.5 J |
-55 °C (-67 °F) |
50 A |
4 ms |
Pre-Arcing Time: Open within 4 ms at 1000% Rated Current |
Ammo Pack |
0.103 in (2.61 mm) |
Pico |
0.103 x 0.28 in (2.61 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; CUL; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
||||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
10 A |
End Cap |
1.3 kJ |
200 kA |
0.41 in (10.41 mm) |
1.5 in (38.1 mm) |
UL |
||||||||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Surface Mount |
125 V |
125 V |
10 A |
Wraparound |
26.46 J |
-55 °C (-67 °F) |
Silver |
35 A |
5 s |
Rated Breaking Capacity at 125 VDC: 50 A |
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 |
|||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
10 A |
End Cap |
10 kA |
2 m |
Bulk |
0.406 in (10.31 mm) |
250 V |
5AG |
0.406 x 1.5 in (10.31 x 38.1 mm) |
1.5 in (38.1 mm) |
CE; CSA; UL |
Fast |
|||||||||||||||
|
|
Littelfuse |
Electric Fuse |
10 A |
End Cap |
116 J |
-55 °C (-67 °F) |
100 A |
0.189 in (4.8 mm) |
350 V |
2AG |
0.189 x 0.587 in (4.8 x 14.9 mm) |
0.587 in (14.9 mm) |
CE, PSE, UL |
125 °C (257 °F) |
Fast |
||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
10 A |
End Cap |
Bulk |
0.25 in (6.35 mm) |
32 V |
7AG |
0.875 in (22.22 mm) |
Normal |
|||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
380 V |
250 V |
10 A |
End Cap |
50 kA |
D0Z1 |
Rated Breaking Capacity at 250 VDC: 50000 A |
0.433 in (11 mm) |
Indicator |
0.433 x 1.417 in (11 x 36 mm) |
1.417 in (36 mm) |
DIN; IEC; VDE |
Fast |
||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
14 V |
10 A |
Tab/Blade |
-40 °C (-40 °F) |
1 kA |
80 ms |
Bulk |
0.758 in (19.25 mm) |
0.207 in (5.25 mm) |
0.484 in (12.3 mm) |
105 °C (221 °F) |
||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
250 V |
10 A |
Pin Wire |
158.5 J |
1.5 kA |
158.5 |
0.207 in (5.25 mm) |
250 V |
0.197 x 0.787 in (5 x 20 mm) |
0.207 x 0.886 in (5.25 x 22.5 mm) |
0.886 in (22.5 mm) |
CCC; CSA; KTL; SEV; UL |
Fast |
|||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
10 A |
End Cap |
20 J |
-25 °C (-13 °F) |
1 kA |
Bulk |
0.248 in (6.3 mm) |
1 ms |
0.248 x 1.26 in (6.3 x 32 mm) |
0.126 in (3.2 mm) |
70 °C (158 °F) |
Very Fast |
||||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
10 A |
End Cap |
760 J |
-55 °C (-67 °F) |
Matte Tin |
300 A |
Bulk |
0.25 in (6.35 mm) |
e3 |
Indicator |
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) |
Time Lag |
||||||||||||
|
|
Littelfuse |
Electric Fuse |
10 A |
Pin Wire |
-55 °C (-67 °F) |
Gold |
300 A |
4 h |
0.28 in (7.11 mm) |
Supplemental |
e4 |
125 V |
6.45 mΩ |
Pico |
0.28 in (7.11 mm) |
CSA; QPL; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
10 A |
Pin Wire |
25.5 J |
-55 °C (-67 °F) |
Matte Tin |
50 A |
251 |
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; TUV; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
350 V |
125 V |
10 A |
Pin Wire |
93 J |
-40 °C (-40 °F) |
Tin |
100 A |
Rated Breaking Capacity at 125 VDC: 50 A |
Bulk |
0.43 in (10.92 mm) |
0.15 in (3.81 mm) |
e3 |
0.43 x 0.15 x 0.345 in (10.92 x 3.81 x 8.76 mm) |
0.345 in (8.76 mm) |
CSA; PSE; UL |
125 °C (257 °F) |
Fast |
|||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
250 V |
10 A |
End Cap |
50 kA |
Interrupting Current Max(DC): 20000 A |
0.563 in (14.3 mm) |
0.563 x 2 in (14.3 x 50.8 mm) |
2 in (50.8 mm) |
CE; CSA; UL |
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.