Resettable Fuses

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Tripping time with specified reference current IS
Tripping time with specified refe ...
Tripping time with specified reference current IS
Rated current
Rated current
Interrupting Current, Max.
Interrupting Current, Max.
Rated voltage V AC
Rated voltage V AC
Rated voltage V DC
Rated voltage V DC
Max. resistance 1 hour after switching off
Max. resistance 1 hour after swit ...
Max. resistance 1 hour after switching off
Operating temperature range, min.
Operating temperature range, min.
Operating temperature range, max.
Operating temperature range, max.
Housing
Housing
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Pitch
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Dimension: Length
Dimension: Width
Dimension: Width
Dimension: Height
Dimension: Height
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Type
Manufacturer
Assembly
Tripping time with specified reference current IS
Rated current
Interrupting Current, Max.
Rated voltage V AC
Rated voltage V DC
Max. resistance 1 hour after switching off
Operating temperature range, min.
Operating temperature range, max.
Housing
Pitch
Dimension: Length
Dimension: Width
Dimension: Height
Diameter
01
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Manufacturers Part No.
(SMD150F-2)
Littelfuse Poly-Switch Fuse SMD_F 15VDC 1,5A SMD
Customer Part No.
Customer Project No.
0 Pcs.
Next Stock Receipt
Week 36/2026
(2.760 Pcs.)
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Littelfuse
SMD
5.0 s
1.5 A
15.0 V DC
250.0 mOhm 
9.4 mm
6.71 mm
3.0 mm
02
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Manufacturers Part No.
(SMD100F-2)
Littelfuse Poly-Switch Fuse SMD_F 30VDC 1,1A SMD
Customer Part No.
Customer Project No.
2.120 Pcs.
Next Stock Receipt
Week 33/2026
(1.970 Pcs.)
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Littelfuse
SMD
0.5 s
1.1 A
30.0 V DC
480.0 mOhm 
7.98 mm
5.44 mm
3.0 mm
03
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Manufacturers Part No.
(SMD125F-2)
Littelfuse Poly-Switch Fuse SMD_F 15VDC 1,25A SMD
Customer Part No.
Customer Project No.
1.310 Pcs.
Planned Delivery Time
Ø 4 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Littelfuse
SMD
2.0 s
1.25 A
15.0 V DC
250.0 mOhm 
7.98 mm
5.44 mm
3.0 mm
04
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Manufacturers Part No.
(SMD185F-2)
Littelfuse Poly-Switch Fuse SMD_F 33VDC 1,85A SMD
Customer Part No.
Customer Project No.
3.450 Pcs.
Next Stock Receipt
Week 33/2026
(1.500 Pcs.)
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Littelfuse
SMD
5.0 s
1.85 A
33.0 V DC
150.0 mOhm 
9.4 mm
6.71 mm
3.0 mm
05
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Manufacturers Part No.
(SMD200F-2)
Littelfuse Poly-Switch Fuse SMD_F 15VDC 2A SMD
Customer Part No.
Customer Project No.
250 Pcs.
Planned Delivery Time
Ø 4 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Littelfuse
SMD
12.0 s
2.0 A
15.0 V DC
125.0 mOhm 
9.4 mm
6.71 mm
3.0 mm
06
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Manufacturers Part No.
(ERFSD014602RZ)
ECE Poly-Switch Fuse ERFSD 60VDC 0,14A SMD 1812
Customer Part No.
Customer Project No.
0 Pcs.
Next Stock Receipt
Week 36/2026
(1.970 Pcs.)
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
ECE
SMD
0.008 s
0.14 A
100.0 A
60.0 V DC
6500.0 mOhm 
-40.0 °C
85.0 °C
1812
4.73 mm
3.41 mm
0.9 mm
07
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Manufacturers Part No.
(ERFSD030302RZ)
ECE Poly-Switch Fuse ERFSD 30VDC SMD 1812
Customer Part No.
Customer Project No.
2.560 Pcs.
Planned Delivery Time
Ø 18 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
ECE
SMD
0.1 s
100.0 A
30.0 V DC
1750.0 mOhm 
-40.0 °C
85.0 °C
1812
4.73 mm
3.41 mm
0.7 mm
08
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Manufacturers Part No.
(ERFSD110082RZ)
ECE Poly-Switch Fuse ERFSD 8VDC 1,1A SMD 1812
Customer Part No.
Customer Project No.
990 Pcs.
Planned Delivery Time
Ø 18 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
ECE
SMD
0.3 s
1.1 A
100.0 A
8.0 V DC
210.0 mOhm 
-40.0 °C
85.0 °C
1812
4.73 mm
3.41 mm
0.55 mm
09
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Manufacturers Part No.
(ERFSD150122RZ)
ECE Poly-Switch Fuse ERFSD 12VDC 1,5A SMD 1812
Customer Part No.
Customer Project No.
2.270 Pcs.
Planned Delivery Time
Ø 18 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
ECE
SMD
0.5 s
1.5 A
100.0 A
12.0 V DC
110.0 mOhm 
-40.0 °C
85.0 °C
1812
4.73 mm
3.41 mm
1.1 mm
10
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Manufacturers Part No.
(PFNF.012.2)
Schurter Poly-Switch Fuse PFNF 30VDC 0,12A SMD 1206
Customer Part No.
Customer Project No.
1.300 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Schurter
SMD
0.2 s
0.12 A
10.0 A
30.0 V DC
8500.0 mOhm 
-40.0 °C
85.0 °C
1206
3.4 mm
1.8 mm
1.1 mm
11
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Manufacturers Part No.
(PFNF.035.2)
Schurter Poly-Switch Fuse PFNF 6VDC 0,35A SMD 1206
Customer Part No.
Customer Project No.
2.350 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Schurter
SMD
0.1 s
0.35 A
100.0 A
6.0 V DC
1200.0 mOhm 
-40.0 °C
85.0 °C
1206
3.4 mm
1.8 mm
0.85 mm
12
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Manufacturers Part No.
(PFNF.050.2)
Schurter Poly-Switch Fuse PFNF 13,2VDC 0,5A SMD 1206
Customer Part No.
Customer Project No.
2.260 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Schurter
SMD
0.1 s
0.5 A
100.0 A
13.2 V DC
700.0 mOhm 
-40.0 °C
85.0 °C
1206
3.4 mm
1.8 mm
0.85 mm
13
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Manufacturers Part No.
(PFMF.010.2)
Schurter Poly-Switch Fuse PFMF 60VDC 0,1A SMD 1812
Customer Part No.
Customer Project No.
2.440 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Schurter
SMD
1.5 s
0.1 A
40.0 A
60.0 V DC
15000.0 mOhm 
-40.0 °C
85.0 °C
1812
4.73 mm
3.41 mm
1.1 mm
14
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Manufacturers Part No.
(PFMF.075.2)
Schurter Poly-Switch Fuse PFMF 13,2VDC 0,75A SMD 1812
Customer Part No.
Customer Project No.
1.250 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Schurter
SMD
0.2 s
0.75 A
100.0 A
13.2 V DC
450.0 mOhm 
-40.0 °C
85.0 °C
1812
4.73 mm
3.41 mm
0.85 mm
15
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Manufacturers Part No.
(PFMF.020.2)
Schurter Poly-Switch Fuse PFMF 30VDC 0,2A SMD 1812
Customer Part No.
Customer Project No.
1.480 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Schurter
SMD
0.06 s
0.2 A
80.0 A
30.0 V DC
6000.0 mOhm 
-40.0 °C
85.0 °C
1812
4.73 mm
3.41 mm
1.1 mm
16
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Manufacturers Part No.
(PFMF.050.2)
Schurter Poly-Switch Fuse PFMF 13VDC 0,5A SMD 1812
Customer Part No.
Customer Project No.
400 Pcs.
Planned Delivery Time
Ø 8 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Schurter
SMD
0.15 s
0.5 A
100.0 A
13.0 V DC
1000.0 mOhm 
-40.0 °C
85.0 °C
1812
4.73 mm
3.41 mm
0.85 mm
17
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Manufacturers Part No.
(RUEF090)
Littelfuse Poly-Switch Fuse RUEF 30VAC 30VDC 0,9A THT RM5,8mm
Customer Part No.
Customer Project No.
820 Pcs.
Planned Delivery Time
Ø 4 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Littelfuse
THT
5.9 s
0.9 A
40.0 A
30.0 V AC
30.0 V DC
120.0 mOhm 
-40.0 °C
85.0 °C
5.8 mm
7.4 mm
3.0 mm
19.8 mm
18
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Manufacturers Part No.
(RUEF110)
Littelfuse Poly-Switch Fuse RUEF 30VAC 30VDC 1,1A THT RM5,8mm
Customer Part No.
Customer Project No.
2.230 Pcs.
Planned Delivery Time
Ø 4 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Littelfuse
THT
6.6 s
1.1 A
40.0 A
30.0 V AC
30.0 V DC
170.0 mOhm 
-40.0 °C
85.0 °C
5.8 mm
7.4 mm
3.0 mm
21.8 mm
19
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Manufacturers Part No.
(RUEF250)
Littelfuse Poly-Switch Fuse RUEF 30VAC 30VDC 2,5A THT RM5,8mm
Customer Part No.
Customer Project No.
3.390 Pcs.
Next Stock Receipt
Week 33/2026
(600 Pcs.)
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Littelfuse
THT
10.3 s
2.5 A
40.0 A
30.0 V AC
30.0 V DC
70.0 mOhm 
-40.0 °C
85.0 °C
5.8 mm
11.4 mm
3.0 mm
25.9 mm
20
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Manufacturers Part No.
(RUEF400)
Littelfuse Poly-Switch Fuse RUEF 30VAC 30VDC 4A THT RM5,8mm
Customer Part No.
Customer Project No.
800 Pcs.
Planned Delivery Time
Ø 11 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Littelfuse
THT
12.7 s
4.0 A
40.0 A
30.0 V AC
30.0 V DC
50.0 mOhm 
-40.0 °C
85.0 °C
5.8 mm
14.0 mm
3.0 mm
26.9 mm
21
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Manufacturers Part No.
(RUEF600)
Littelfuse Poly-Switch Fuse RUEF 30VAC 30VDC 6A THT RM10,9mm
Customer Part No.
Customer Project No.
740 Pcs.
Planned Delivery Time
Ø 7 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Littelfuse
THT
16.0 s
6.0 A
40.0 A
30.0 V AC
30.0 V DC
40.0 mOhm 
-40.0 °C
85.0 °C
10.9 mm
16.5 mm
3.0 mm
31.7 mm
22
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Manufacturers Part No.
(RUEF900)
Littelfuse Poly-Switch Fuse RUEF 30VAC 30VDC 9A THT RM10,9mm
Customer Part No.
Customer Project No.
410 Pcs.
Planned Delivery Time
Ø 11 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
Littelfuse
THT
20.0 s
9.0 A
40.0 A
30.0 V AC
30.0 V DC
20.0 mOhm 
-40.0 °C
85.0 °C
10.9 mm
24.1 mm
3.0 mm
36.6 mm
23
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Manufacturers Part No.
(ERFRG3001600Z)
ECE Poly-Switch Fuse ERFRG 16VDC 3A THT RM5,1mm
Customer Part No.
Customer Project No.
0 Pcs.
Next Stock Receipt
Week 36/2026
(1.000 Pcs.)
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
ECE
THT
2.0 s
3.0 A
100.0 A
16.0 V DC
105.0 mOhm 
-40.0 °C
85.0 °C
5.1 mm
7.1 mm
3.0 mm
18.6 mm
24
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Manufacturers Part No.
(ERFRG5001600Z)
ECE Poly-Switch Fuse ERFRG 16VDC 5A THT RM5,1mm
Customer Part No.
Customer Project No.
1.000 Pcs.
Planned Delivery Time
Ø 18 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
ECE
THT
3.6 s
5.0 A
40.0 A
16.0 V DC
44.0 mOhm 
-40.0 °C
85.0 °C
5.1 mm
10.4 mm
3.0 mm
21.9 mm
25
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Manufacturers Part No.
(ERFRG7001600Z)
ECE Poly-Switch Fuse ERFRG 16VDC 7A THT RM5,1mm
Customer Part No.
Customer Project No.
400 Pcs.
Planned Delivery Time
Ø 18 Weeks
Available (from stock)
(at least 10 or mul. of 10)
Self-resetting fuse
ECE
THT
8.0 s
7.0 A
40.0 A
16.0 V DC
21.0 mOhm 
-40.0 °C
85.0 °C
5.1 mm
11.2 mm
3.0 mm
27.3 mm