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 |
Inline/Holder |
250 V |
125 V |
30 A |
End Cap |
2.49 kJ |
-55 °C (-67 °F) |
Nickel |
100 A |
Rated Breaking Capacity at 75 VDC: 400 A |
2490 |
Bulk |
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; KC; PSE; UL |
125 °C (257 °F) |
Fast |
|||||||||
|
Bel Fuse |
Electric Fuse |
Through Hole Mount |
250 V |
80 mA |
Pin Wire |
10 mJ |
-55 °C (-67 °F) |
Matte Tin |
35 A |
Box; Bulk |
0.329 in (8.35 mm) |
e3 |
250 V |
20 ms |
Micro |
0.329 x 0.303 in (8.35 x 7.7 mm) |
0.303 in (7.7 mm) |
CCC; CE; CSA; IEC; SEMKO; UL; VDE |
125 °C (257 °F) |
Time Lag |
||||||||||
|
Siba |
Electric Fuse |
Inline/Holder |
250 V |
2.5 A |
End Cap |
11 J |
35 A |
Bulk |
0.205 in (5.2 mm) |
250 V |
20 ms |
0.197 x 0.787 in (5 x 20 mm) |
0.787 in (20 mm) |
BEAB, SEMKO, UL, VDE |
Very Fast |
|||||||||||||||
|
Schurter Ag |
Electric Fuse |
Surface Mount |
250 V |
125 V |
2.5 A |
Wraparound |
7.5 J |
-40 °C (-40 °F) |
Gold |
200 A |
Rated Breaking Capacity at 125 VDC: 100 A |
Bag |
0.445 in (11.3 mm) |
0.165 in (4.2 mm) |
e4 |
10 ms |
0.165 x 0.437 in (4.2 x 11.1 mm) |
0.421 x 0.142 x 0.157 in (10.7 x 3.6 x 4 mm) |
0.157 in (4 mm) |
CUL; UL; VDE |
85 °C (185 °F) |
Time Lag |
||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
6.3 A |
Pin Wire |
24 J |
-40 °C (-40 °F) |
Tin |
63 A |
20 ms |
Ammo Pack; Tape |
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) |
CCC; CE; CUL; VDE; UL |
85 °C (185 °F) |
Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
5 A |
Pin Wire |
115 J |
-40 °C (-40 °F) |
Matte Tin |
50 A |
20 ms |
94 |
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) |
CCC; CE; CUL; KC; PSE; UL; VDE |
85 °C (185 °F) |
Time Lag |
|||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
1 A |
Wire |
4.85 J |
-40 °C (-40 °F) |
Matte Tin |
100 A |
150 ms |
3 |
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) |
CCC; CE; CUL; PSE; UL; VDE |
85 °C (185 °F) |
Time Lag |
|||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
250 V |
Pin Wire |
-40 °C (-40 °F) |
Tin |
Bulk |
0.374 in (9.5 mm) |
e3 |
TR5 |
0.169 in (4.3 mm) |
UL; VDE |
85 °C (185 °F) |
||||||||||||||||
Eaton Corporation |
Electric Fuse |
Inline/Holder |
250 V |
8 A |
End Cap |
152 mJ |
Nickel |
200 A |
0.152 |
0.25 in (6.35 mm) |
250 V |
0.248 x 1.26 in (6.3 x 32 mm) |
0.248 x 1.26 in (6.3 x 32 mm) |
1.25 in (31.75 mm) |
CSA; UL |
Fast |
|||||||||||||||
|
Eaton Corporation |
Electric Fuse |
Inline/Holder |
250 V |
8 A |
End Cap |
47.8 J |
Nickel |
200 A |
Box |
0.25 in (6.35 mm) |
250 V |
0.252 x 1.248 in (6.4 x 31.7 mm) |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
CE; CSA; UL |
Time Delay |
||||||||||||||
|
Eaton Corporation |
Electric Fuse |
Through Hole Mount |
250 V |
3 A |
Pin Wire |
80.426 J |
Tin |
100 A |
Pre Arcing Time: Open within 3 s at 200% Rated Current |
Box |
0.217 in (5.5 mm) |
e3 |
250 V |
0.197 x 0.591 in (5 x 15 mm) |
0.217 x 0.598 in (5.5 x 15.2 mm) |
0.598 in (15.2 mm) |
CSA; UL |
Time Delay |
||||||||||||
|
Cooper Electronic Technologies |
Electric Fuse |
Inline/Holder |
250 V |
8 A |
End Cap |
47.8 J |
200 A |
MDL |
Box |
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 |
Time Delay |
||||||||||||||||
Eaton Corporation |
Electric Fuse |
Inline/Holder |
250 V |
75 A |
Tab/Blade |
200 kA |
Bulk |
1.06 in (26.924 mm) |
5.88 in (149.352 mm) |
CE; CSA; UL |
Time Delay |
||||||||||||||||||||
|
Eaton Corporation |
Electric Fuse |
Inline/Holder |
250 V |
1 A |
End Cap |
200 A |
0.406 in (10.31 mm) |
250 V |
0.406 x 1.5 in (10.31 x 38.1 mm) |
1.5 in (38.1 mm) |
CSA, UL |
Time Lag |
||||||||||||||||||
|
Eaton Corporation |
Electric Fuse |
Inline/Holder |
250 V |
200 mA |
End Cap |
35 A |
Box |
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) |
CE; CSA; UL |
Time Delay |
||||||||||||||||
|
Therm-o-disc |
Thermal Fuse |
Through Hole Mount |
250 V |
20 A |
Pin Wire |
Tape And Reel, 14 inch |
0.157 in (4 mm) |
250 V |
0.579 in (14.7 mm) |
|||||||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
250 V |
150 A |
Tab/Blade |
200 kA |
Rated Breaking Capacity at 250 VDC: 20000 A |
1.22 in (31 mm) |
1.22 x 1.626 in (31 x 41.3 mm) |
1.626 in (41.3 mm) |
CE; CSA; UL |
Very Fast |
||||||||||||||||||
Eaton Corporation |
Electric Fuse |
Inline/Holder |
250 V |
250 V |
2.5 A |
End Cap |
63.1 J |
35 A |
0.25 in (6.35 mm) |
250 V |
3AG |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
CSA; UL |
Time Delay |
||||||||||||||||
|
Bel Fuse |
Electric Fuse |
Through Hole Mount |
250 V |
2.5 A |
Pin Wire |
37 J |
-55 °C (-67 °F) |
Matte Tin |
35 A |
Bulk |
0.329 in (8.35 mm) |
0.157 in (4 mm) |
e3 |
20 ms |
0.329 x 0.157 x 0.303 in (8.35 x 4 x 7.7 mm) |
0.303 in (7.7 mm) |
CCC; CUL; IEC; PSE; SEMKO; UL; VDE |
125 °C (257 °F) |
Time Lag |
|||||||||||
|
Eaton Corporation |
Electric Fuse |
Surface Mount |
250 V |
125 V |
1.5 A |
End Cap |
1.46 J |
50 A |
Rated Breaking Capacity at 125 VDC: 50 A |
Tape And Reel |
0.405 in (10.29 mm) |
0.109 in (2.77 mm) |
250 V |
0.405 x 0.109 x 0.109 in (10.29 x 2.77 x 2.77 mm) |
0.109 in (2.77 mm) |
CSA; UL |
Fast |
|||||||||||||
|
Eaton Corporation |
Electric Fuse |
Surface Mount |
250 V |
60 V |
15 A |
End Cap |
1.451 kJ |
50 A |
Rated Breaking Capacity at 60 VDC: 50 A |
Tape And Reel |
0.405 in (10.29 mm) |
0.109 in (2.77 mm) |
250 V |
0.405 x 0.109 x 0.109 in (10.29 x 2.77 x 2.77 mm) |
0.109 in (2.77 mm) |
CSA; UL |
Fast |
|||||||||||||
|
Schurter Ag |
Electric Fuse |
Inline/Holder |
250 V |
630 mA |
End Cap |
207 mJ |
-55 °C (-67 °F) |
Nickel |
1.5 kA |
Box |
0.787 in (20 mm) |
20 ms |
0.197 x 0.787 in (5 x 20 mm) |
0.205 x 0.787 in (5.2 x 20 mm) |
0.205 in (5.2 mm) |
CCC; CUL; KTL; UL; VDE |
125 °C (257 °F) |
Very Fast |
||||||||||||
|
Schurter Ag |
Electric Fuse |
Inline/Holder |
250 V |
250 mA |
End Cap |
238 mJ |
-55 °C (-67 °F) |
Gold |
35 A |
Bulk |
0.205 in (5.2 mm) |
e4 |
20 ms |
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, CUL, UL, VDE |
125 °C (257 °F) |
Time Lag |
|||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
500 mA |
End Cap |
165 mJ |
-55 °C (-67 °F) |
Nickel |
1.5 kA |
0.165 |
Bulk |
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) |
CCC; CE; CSA; IEC; SEMKO; UL; VDE |
125 °C (257 °F) |
Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
500 mA |
End Cap |
165 mJ |
-55 °C (-67 °F) |
Nickel |
1.5 kA |
20 ms |
0.165 |
Bulk |
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) |
CCC; CE; CSA; IEC; SEMKO; UL; VDE |
125 °C (257 °F) |
Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 V |
2 A |
End Cap |
30 J |
-55 °C (-67 °F) |
Matte Tin |
100 A |
3 s |
Rated Breaking Capacity at 125 VDC: 10000 A |
30 |
Bulk |
0.189 in (4.8 mm) |
e3 |
250 V |
2AG |
0.177 x 0.57 in (4.5 x 14.48 mm) |
0.587 in (14.9 mm) |
CE; CSA; PSE; UL |
125 °C (257 °F) |
Time Lag |
|||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
1 A |
End Cap |
760 mJ |
-55 °C (-67 °F) |
Nickel |
35 A |
5 s |
0.76 |
Bulk |
0.25 in (6.35 mm) |
250 V |
3AG |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
CE; CSA; KC; PSE; UL |
125 °C (257 °F) |
Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
5 A |
End Cap |
276 J |
-60 °C (-76 °F) |
Nickel |
200 A |
5 s |
140 |
Bulk |
0.25 in (6.35 mm) |
Supplemental |
250 V |
3AG |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
CE; CSA; KC; PSE; UL |
125 °C (257 °F) |
Time Lag |
|||||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
250 V |
100 V |
30 A |
Wraparound |
916 J |
-55 °C (-67 °F) |
Silver |
100 A |
1 m |
Rated Breaking Capacity at 100 VDC: 50 A |
Tape And Reel |
0.398 in (10.1 mm) |
0.12 in (3.05 mm) |
e4 |
250 V |
Nano |
0.12 in (3.05 mm) |
CE; CUL; UL |
125 °C (257 °F) |
Fast |
||||||||
|
Bel Fuse |
Electric Fuse |
Surface Mount |
250 V |
72 V |
15 A |
Wraparound |
110 J |
-55 °C (-67 °F) |
Silver with Nickel barrier |
100 A |
Pre Arcing Time: Open within 60 s at 200% Rated Current, Interrupting Current Max(DC): 130 A |
Tape And Reel, 13 inch |
0.386 in (9.8 mm) |
0.12 in (3.05 mm) |
e4 |
0.386 x 0.12 x 0.12 in (9.8 x 3.05 x 3.05 mm) |
0.12 in (3.05 mm) |
CE; CUL; UL |
125 °C (257 °F) |
Medium |
||||||||||
|
Bel Fuse |
Electric Fuse |
Through Hole Mount |
250 V |
125 mA |
Pin Wire |
40 mJ |
-55 °C (-67 °F) |
Matte Tin |
35 A |
Bulk |
0.329 in (8.35 mm) |
0.157 in (4 mm) |
e3 |
250 V |
20 ms |
Micro |
0.329 x 0.157 x 0.303 in (8.35 x 4 x 7.7 mm) |
0.303 in (7.7 mm) |
CCC; CUL; SEMKO; UL; VDE |
125 °C (257 °F) |
Time Lag |
|||||||||
|
Bel Fuse |
Electric Fuse |
Through Hole Mount |
250 V |
500 mA |
Pin Wire |
1.5 J |
-55 °C (-67 °F) |
Matte Tin |
35 A |
Ammo Pack |
0.329 in (8.35 mm) |
0.157 in (4 mm) |
e3 |
250 V |
20 ms |
Micro |
0.329 x 0.157 x 0.303 in (8.35 x 4 x 7.7 mm) |
0.303 in (7.7 mm) |
CCC; CUL; SEMKO; UL; VDE |
125 °C (257 °F) |
Time Lag |
|||||||||
|
Bel Fuse |
Electric Fuse |
Through Hole Mount |
250 V |
1.25 A |
Pin Wire |
9 J |
-55 °C (-67 °F) |
Matte Tin |
35 A |
Ammo Pack |
0.329 in (8.35 mm) |
0.157 in (4 mm) |
e3 |
250 V |
20 ms |
Micro |
0.329 x 0.157 x 0.303 in (8.35 x 4 x 7.7 mm) |
0.303 in (7.7 mm) |
CCC; CUL; PSE; SEMKO; UL; VDE |
125 °C (257 °F) |
Time Lag |
|||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 V |
8 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) |
0.394 x 1.496 in (10 x 38 mm) |
1.5 in (38.1 mm) |
CE; CSA; QPL; UL |
Time Delay |
|||||||||||||||
|
Siba |
Electric Fuse |
Inline/Holder |
250 V |
100 mA |
End Cap |
7 mJ |
Nickel |
80 A |
Bulk |
0.205 in (5.2 mm) |
250 V |
5 ms |
0.197 x 0.787 in (5 x 20 mm) |
0.787 in (20 mm) |
DIN |
Medium Time Lag |
||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
2.5 A |
End Cap |
130 J |
Tin |
100 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; METI; PSE; UL |
Slow |
||||||||||||||||
|
Schurter Ag |
Electric Fuse |
Surface Mount |
250 V |
250 V |
400 mA |
Wraparound |
20 mJ |
-55 °C (-67 °F) |
Tin |
100 A |
Bulk |
0.433 in (11 mm) |
0.181 in (4.6 mm) |
e3 |
1 ms |
0.433 x 0.181 in (11 x 4.6 mm) |
0.433 x 0.181 x 0.154 in (11 x 4.6 x 3.9 mm) |
0.154 in (3.9 mm) |
CUL; UL; VDE |
125 °C (257 °F) |
Very Fast |
|||||||||
|
Schurter Ag |
Electric Fuse |
Surface Mount |
250 V |
250 V |
500 mA |
Wraparound |
30 mJ |
-55 °C (-67 °F) |
Tin |
100 A |
Bulk |
0.433 in (11 mm) |
0.181 in (4.6 mm) |
e3 |
1 ms |
0.433 x 0.181 in (11 x 4.6 mm) |
0.433 x 0.181 x 0.154 in (11 x 4.6 x 3.9 mm) |
0.154 in (3.9 mm) |
CUL; UL; VDE |
125 °C (257 °F) |
Very Fast |
|||||||||
|
Schurter Ag |
Electric Fuse |
Surface Mount |
250 V |
125 V |
160 mA |
Wraparound |
57 mJ |
-55 °C (-67 °F) |
Tin |
200 A |
Tape And Reel, 13 inch |
0.398 in (10.1 mm) |
0.118 in (3 mm) |
e3 |
10 ms |
0.118 x 0.398 in (3 x 10.1 mm) |
0.398 x 0.118 x 0.118 in (10.1 x 3 x 3 mm) |
0.118 in (3 mm) |
CUL; CQC; KTL; UL; VDE |
125 °C (257 °F) |
Time Lag |
|||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
5 A |
Pin Wire |
12 J |
-40 °C (-40 °F) |
Tin |
50 A |
20 ms |
Ammo Pack; Tape |
0.335 in (8.5 mm) |
e3 |
TR5 |
0.315 in (8 mm) |
CCC; CE; CUL; PSE; UL; VDE |
85 °C (185 °F) |
Fast |
||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
100 mA |
Pin Wire |
80 mJ |
-40 °C (-40 °F) |
Matte Tin |
35 A |
20 ms |
0.047 |
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) |
CCC; CE; CUL; KC; UL; VDE |
85 °C (185 °F) |
Time Lag |
|||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
5 A |
Pin Wire |
106.25 J |
-40 °C (-40 °F) |
Matte Tin |
50 A |
20 ms |
90 |
Bulk |
0.335 in (8.5 mm) |
0.157 in (4 mm) |
e3 |
250 V |
TE5 |
0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm) |
0.315 in (8 mm) |
CCC; CE; CUL; KC; PSE; VDE; UL |
125 °C (257 °F) |
Time Lag |
||||||||
|
Bel Fuse |
Electric Fuse |
Inline/Holder |
250 V |
1.25 A |
End Cap |
2.5 J |
-55 °C (-67 °F) |
Nickel |
100 A |
Bulk |
0.25 in (6.35 mm) |
250 V |
0.236 x 1.26 in (6 x 32 mm) |
0.25 x 1.252 in (6.35 x 31.8 mm) |
1.252 in (31.8 mm) |
CSA; CUL; PSE; UL |
125 °C (257 °F) |
Fast |
||||||||||||
|
Bel Fuse |
Electric Fuse |
Inline/Holder |
250 V |
125 mA |
End Cap |
4 mJ |
-55 °C (-67 °F) |
Matte Tin |
35 A |
Pre-Arcing Time: Open within 5 s, at 200% Rated Current |
Bulk; Tape And Reel |
0.25 in (6.35 mm) |
e3 |
250 V |
0.236 x 1.26 in (6 x 32 mm) |
0.25 x 1.252 in (6.35 x 31.8 mm) |
1.252 in (31.8 mm) |
CE; CSA; UL |
125 °C (257 °F) |
Fast |
||||||||||
|
Eaton Corporation |
Electric Fuse |
Inline/Holder |
250 V |
3 A |
End Cap |
6.1 J |
Nickel |
100 A |
Box |
0.205 in (5.2 mm) |
250 V |
0.197 x 0.591 in (5 x 15 mm) |
0.205 x 0.591 in (5.2 x 15 mm) |
0.591 in (15 mm) |
CSA; UL |
Fast |
||||||||||||||
|
Cooper Electronic Technologies |
Electric Fuse |
Through Hole Mount |
250 V |
450 V |
2 A |
Pin Wire |
200 mJ |
50 A |
PC |
Rated Breaking Capacity at 450 VDC: 300 A |
Box |
CSA; UL |
||||||||||||||||||
|
Eaton Corporation |
Electric Fuse |
Inline/Holder |
250 V |
160 mA |
End Cap |
93 mJ |
Nickel |
35 A |
0.093 |
Bag |
0.205 in (5.2 mm) |
250 V |
20 ms |
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) |
BSI; CCC; CSA; IMQ; SEMKO; UL; VDE |
Time Delay |
||||||||||||
|
Eaton Corporation |
Electric Fuse |
Through Hole Mount |
250 V |
450 V |
2 A |
Pin Wire |
200 mJ |
50 A |
10 s |
Rated Breaking Capacity at 450 VDC: 300 A |
Box |
250 V |
0.35 x 0.184 x 0.345 in (8.89 x 4.67 x 8.76 mm) |
CUL; UL |
Fast |
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.