| 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 |
4 A |
Pin Wire |
-55 °C (-67 °F) |
Tin/Lead |
10 kA |
4 h |
270.7 |
0.787 in (20 mm) |
Supplemental |
e0 |
125 V |
31.2 mΩ |
0.197 x 0.787 in (5 x 20 mm) |
0.787 in (20 mm) |
CE; CSA; PSE; UL |
125 °C (257 °F) |
Time Lag |
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|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
56 J |
-40 °C (-40 °F) |
Tin |
50 A |
1 m |
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) |
CSA, UL |
85 °C (185 °F) |
Time Lag |
||||||||||
|
|
Littelfuse |
Electric Fuse |
Surface Mount |
32 V |
4 A |
Wraparound |
45 A |
UL |
125 °C (257 °F) |
Fast |
|||||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
250 V |
4 A |
End Cap |
70.56 J |
-55 °C (-67 °F) |
Silver |
50 A |
Tape And Reel |
0.398 in (10.1 mm) |
e4 |
0.398 x 0.123 in (10.1 x 3.12 mm) |
0.123 in (3.12 mm) |
UL |
125 °C (257 °F) |
Time Lag |
||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
148 J |
-55 °C (-67 °F) |
Matte Tin |
400 A |
0.185 in (4.7 mm) |
e3 |
Indicator |
0.185 x 0.57 in (4.7 x 14.48 mm) |
0.57 in (14.48 mm) |
CE; CSA; PSE; UL |
125 °C (257 °F) |
Time Lag |
||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
250 V |
4 A |
Pin Wire |
95 J |
Tin Lead |
40 A |
Tape And Reel |
0.154 in (3.9 mm) |
e0 |
0.154 x 0.433 in (3.9 x 11 mm) |
0.433 in (11 mm) |
CSA; IEC; UL; VDE |
Slow |
|||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Surface Mount |
125 V |
125 V |
4 A |
Wraparound |
3.152 J |
-55 °C (-67 °F) |
Silver |
50 A |
5 s |
Pre Arcing Time: Open within 5 s at 200% Rated Current |
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 |
|||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
4 A |
End Cap |
41 J |
-25 °C (-13 °F) |
1.5 kA |
Bulk |
0.248 in (6.3 mm) |
500 V |
10 ms |
3AB |
0.248 x 1.26 in (6.3 x 32 mm) |
1.26 in (32 mm) |
UL |
85 °C (185 °F) |
Time Lag |
||||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
9.71 J |
-55 °C (-67 °F) |
Matte Tin |
400 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; PSE; UL |
125 °C (257 °F) |
Time Lag |
|||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
125 V |
4 A |
Pin Wire |
10.4 J |
Tin/Lead |
750 A |
0.275 in (6.99 mm) |
e0 |
0.275 x 1.275 in (6.99 x 32.39 mm) |
1.275 in (32.39 mm) |
CSA; PSE; QPL; UL |
Fast |
||||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
4 A |
End Cap |
17.6 J |
-55 °C (-67 °F) |
Tin |
10 kA |
0.205 in (5.2 mm) |
e3 |
0.205 x 0.787 in (5.2 x 20 mm) |
0.787 in (20 mm) |
CE; CSA; KTL; PSE; UL |
125 °C (257 °F) |
Fast |
||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Surface Mount |
125 V |
125 V |
4 A |
Wraparound |
3.152 J |
-55 °C (-67 °F) |
Silver |
50 A |
Tape And Reel |
0.24 in (6.1 mm) |
0.106 in (2.69 mm) |
e4 |
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 |
|||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
4 A |
Tab/Blade |
25 J |
Tin |
1 kA |
Rated Breaking Capacity at 32 VDC: 1000 A |
Bulk |
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 |
Through Hole Mount |
125 V |
63 V |
4 A |
Pin Wire |
1 J |
-25 °C (-13 °F) |
Matte Tin |
50 A |
Rated Breaking Capacity at 63 VDC: 50 A |
1 |
Bulk |
0.236 in (6 mm) |
Supplemental |
e3 |
125 V |
5 s |
Micro |
0.236 x 0.315 in (6 x 8 mm) |
0.315 in (8 mm) |
CSA; UL |
70 °C (158 °F) |
Fast |
||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
4 A |
Pin Wire |
9.4 J |
-55 °C (-67 °F) |
Matte Tin |
100 A |
1 s |
Bulk |
0.189 in (4.8 mm) |
e3 |
2AG |
0.185 x 0.57 in (4.7 x 14.48 mm) |
0.587 in (14.9 mm) |
CE, CSA, PSE, UL |
125 °C (257 °F) |
Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
250 V |
250 V |
4 A |
Wraparound |
17.6 J |
-40 °C (-40 °F) |
Tin |
150 A |
462 |
Rated Breaking Capacity at 250 VDC: 150 A |
Tape And Reel |
0.413 in (10.5 mm) |
0.185 in (4.7 mm) |
e3 |
10 ms |
0.413 x 0.185 x 0.177 in (10.5 x 4.7 x 4.5 mm) |
0.177 in (4.5 mm) |
IEC; PSEJET; UL; VDE |
85 °C (185 °F) |
Time Lag |
|||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
4 A |
End Cap |
37.733 J |
-55 °C (-67 °F) |
Tin |
100 A |
Bulk; Tape And Reel |
0.205 in (5.2 mm) |
e3 |
0.205 x 0.787 in (5.2 x 20 mm) |
0.787 in (20 mm) |
CE; PSE |
125 °C (257 °F) |
Medium |
|||||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
125 V |
4 A |
End Cap |
148 J |
-55 °C (-67 °F) |
Matte Tin |
400 A |
Bulk |
0.177 in (4.5 mm) |
e3 |
Indicator |
0.177 x 0.57 in (4.5 x 14.48 mm) |
0.57 in (14.48 mm) |
CE; CSA; PSE; UL |
125 °C (257 °F) |
Time Lag |
|||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
4 A |
End Cap |
76.1 J |
-55 °C (-67 °F) |
10 kA |
Bulk |
1.25 in (31.75 mm) |
Indicator |
1.25 x 0.25 in (31.75 x 6.35 mm) |
0.25 in (6.35 mm) |
CE; CSA; KC; PSE; UL |
125 °C (257 °F) |
Time Lag |
||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Matte Tin |
50 A |
251 |
Rated Breaking Capacity at 125 VDC: 300 A |
Bulk |
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) |
CCC; CSA; PSE; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
350 V |
4 A |
End Cap |
9.4 J |
-55 °C (-67 °F) |
Nickel |
100 A |
Bulk |
0.185 in (4.7 mm) |
0.185 x 0.57 in (4.7 x 14.48 mm) |
0.57 in (14.48 mm) |
CE; PSE; UL |
125 °C (257 °F) |
Fast |
||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
4 A |
End Cap |
46.96 J |
-55 °C (-67 °F) |
Tin |
1.5 kA |
Pre Arcing Time: Open within 0.010 s at 1000% Rated Current |
Bulk |
0.205 in (5.2 mm) |
e3 |
0.205 x 0.787 in (5.2 x 20 mm) |
0.787 in (20 mm) |
BSI; CCC; CE; CSA; CUL; IEC; KC; PSE; SEMKO; UL; VDE |
125 °C (257 °F) |
Time Lag |
||||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Tin |
50 A |
Rated Breaking Capacity at 125 VDC: 300 A |
Tape And Reel |
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) |
CCC; CSA; PSE; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
600 V |
4 A |
End Cap |
19 mJ |
-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 |
||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Surface Mount |
32 V |
4 A |
Wraparound |
45 A |
1206SFF400F/32-2 |
UL |
125 °C (257 °F) |
Fast |
||||||||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
4 A |
End Cap |
0.25 in (6.35 mm) |
32 V |
7AG |
0.875 in (22.225 mm) |
||||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
350 V |
125 V |
4 A |
Pin Wire |
17 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; METI; PSE; UL |
125 °C (257 °F) |
Fast |
|||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
125 V |
4 A |
Pin Wire |
9.71 J |
-55 °C (-67 °F) |
Tin |
400 A |
5 s |
Rated Breaking Capacity at 125 VDC: 10000 A |
9.71 |
Bulk |
0.275 in (6.985 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; PSE; UL |
125 °C (257 °F) |
Time Delay |
|||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Tin Lead |
50 A |
Rated Breaking Capacity at 125 VDC: 300 A |
2.45 |
0.095 in (2.41 mm) |
e0 |
125 V |
Pico |
0.095 x 0.28 in (2.41 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; METI; PSE; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
500 V |
4 A |
Pin Wire |
12.43 J |
-55 °C (-67 °F) |
5 kA |
2 m |
Bulk |
0.275 in (6.985 mm) |
3AB |
1.288 in (32.72 mm) |
125 °C (257 °F) |
Fast |
|||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
53 J |
233 |
0.207 in (5.25 mm) |
0.207 x 0.886 in (5.25 x 22.5 mm) |
0.886 in (22.5 mm) |
CSA; MITI; UL |
Medium |
|||||||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
500 V |
400 V |
4 A |
Pin Wire |
52.48 J |
-55 °C (-67 °F) |
100 A |
10 ms |
Rated Breaking Capacity at 400 VDC: 500 A |
Bulk |
0.217 in (5.5 mm) |
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) |
PSE |
125 °C (257 °F) |
Time Lag |
|||||||||||
|
|
Littelfuse |
Electric Fuse |
Surface Mount |
125 V |
125 V |
4 A |
Wraparound |
3.152 J |
-55 °C (-67 °F) |
Silver |
50 A |
Tape And Reel |
0.24 in (6.1 mm) |
0.106 in (2.69 mm) |
e4 |
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 |
|||||||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
125 V |
125 V |
4 A |
Wraparound |
3.152 J |
Tin/Lead |
50 A |
e0 |
CSA; UL |
Very Fast |
|||||||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
69.1 J |
-55 °C (-67 °F) |
Matte Tin |
40 A |
20 ms |
69.1 |
Bulk |
0.217 in (5.5 mm) |
Supplemental |
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) |
0.846 in (21.5 mm) |
CCC; CE; CSA; KC; PSE; SEMKO; SEV; UL; VDE |
125 °C (257 °F) |
Time Lag |
||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
148 J |
-55 °C (-67 °F) |
Matte Tin |
400 A |
Bulk |
0.185 in (4.7 mm) |
e3 |
0.185 x 0.57 in (4.7 x 14.48 mm) |
0.57 in (14.48 mm) |
CE; CSA; PSE; UL |
125 °C (257 °F) |
Time Lag |
||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
500 V |
4 A |
End Cap |
Silver |
592 |
e4 |
||||||||||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Surface Mount |
125 V |
125 V |
4 A |
Wraparound |
3.152 J |
-55 °C (-67 °F) |
50 A |
5 s |
Tape And Reel |
0.24 in (6.1 mm) |
0.106 in (2.69 mm) |
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 |
Surface Mount |
250 V |
4 A |
Wraparound |
48.4 J |
-55 °C (-67 °F) |
Silver |
100 A |
10 ms |
48.4 |
Tape And Reel |
0.476 in (12.1 mm) |
0.177 in (4.5 mm) |
e4 |
250 V |
Nano |
0.476 x 0.177 x 0.177 in (12.1 x 4.5 x 4.5 mm) |
0.177 in (4.5 mm) |
CE; CUL; PSE; UKCA; UL |
125 °C (257 °F) |
Time Lag |
||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
4 A |
End Cap |
30 J |
-25 °C (-13 °F) |
100 A |
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) |
Very Fast |
|||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
250 V |
4 A |
Pin Wire |
28.5 J |
Tin Lead |
35 A |
0.276 in (7 mm) |
e0 |
0.276 x 1.275 in (7 x 32.39 mm) |
1.275 in (32.39 mm) |
CSA; UL |
Fast |
||||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Matte Tin |
50 A |
0251 |
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; METI; PSE; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
32 V |
4 A |
End Cap |
2.3 J |
-55 °C (-67 °F) |
Tin Over Nickel |
50 A |
Rated Breaking Capacity at 32 VDC: 40 A |
0.069 in (1.75 mm) |
0.037 in (0.95 mm) |
e3 |
0.069 x 0.037 x 0.037 in (1.75 x 0.95 x 0.95 mm) |
0.037 in (0.95 mm) |
UL |
125 °C (257 °F) |
Slow |
|||||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Pure Tin |
50 A |
0253 |
Rated Breaking Capacity at 125 VDC: 300 A |
Tape And Reel |
0.11 in (2.8 mm) |
0.11 x 0.28 in (2.8 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; METI; PSE; QPL; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
3.08 J |
-55 °C (-67 °F) |
Pure Tin |
50 A |
Bulk |
0.155 in (3.94 mm) |
0.155 x 0.28 in (3.94 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; PSE; UL |
125 °C (257 °F) |
Very Fast |
||||||||||||||
|
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
3.08 J |
-55 °C (-67 °F) |
Pure Tin |
50 A |
Tape And Reel |
0.155 in (3.94 mm) |
0.155 x 0.28 in (3.94 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; PSE; UL |
125 °C (257 °F) |
Very Fast |
||||||||||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
32 V |
32 V |
4 A |
Wraparound |
352 mJ |
-55 °C (-67 °F) |
Tin/Lead with Nickel barrier |
35 A |
434 |
Rated Breaking Capacity at 32 VDC: 35 A |
0.063 in (1.6 mm) |
0.032 in (0.81 mm) |
e0 |
0.063 x 0.032 x 0.012 in (1.6 x 0.81 x 0.31 mm) |
0.012 in (0.31 mm) |
CSA; UL |
90 °C (194 °F) |
Very Fast |
|||||||||||
|
|
Littelfuse |
Electric Fuse |
Inline/Holder |
58 V |
4 A |
Tab/Blade |
25 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 |
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.