MF-R Series -
PTC Resettable Fuses
Product Dimensions (see previous page for dimensions)
Style 1
A
E
Style 2
A
E
Style 3
A
E
Style 4
A
E
B
B
B
B
D
C
D
D
D
C
C
C
NOTE: Kinked lead option is
available for board standoff.
Contact factory for details.
NOTE: Also available with
straight leads. Contact
factory for details.
Thermal Derating Chart - Ihold / Itrip (Amps)
Ambient Operating Temperature
Model
MF-R005
MF-R010
MF-R017
MF-R020
MF-R025
MF-R030
MF-R040
MF-R050
MF-R065
MF-R075
MF-R090
MF-R090-0-9
MF-R110
MF-R135
MF-R160
MF-R185
MF-R250
MF-R250-0-10
MF-R300
MF-R400
MF-R500
MF-R600
MF-R700
MF-R800
MF-R900
MF-R1100
-40
°C
0.08 / 0.16
0.16 / 0.32
0.26 / 0.52
0.31 / 0.62
0.39 / 0.78
0.47 / 0.94
0.62 / 1.24
0.78 / 1.56
1.01 / 2.02
1.16 / 2.32
1.40 / 2.80
1.40 / 2.80
1.60 / 3.20
1.96 / 3.92
2.32 / 4.64
2.68 / 5.36
3.63 / 7.26
3.63 / 7.26
4.35 / 8.70
5.80 / 11.6
7.25 / 14.5
8.70 / 17.4
10.1 / 20.3
11.6 / 23.2
13.0 / 26.1
16.1 / 32.0
-20
°C
0.07 / 0.14
0.14 / 0.28
0.23 / 0.46
0.27 / 0.54
0.34 / 0.68
0.41 / 0.82
0.54 / 1.08
0.68 / 1.36
0.88 / 1.76
1.02 / 2.04
1.22 / 2.44
1.22 / 2.44
1.43 / 2.86
1.76 / 3.52
2.08 / 4.16
2.41 / 4.82
3.25 / 6.50
3.25 / 6.50
3.90 / 7.80
5.20 / 10.4
6.50 / 13.0
7.80 / 15.6
9.10 / 18.2
10.4 / 20.8
11.7 / 23.4
14.6 / 29.2
0
°C
0.06 / 0.12
0.12 / 0.24
0.20 / 0.40
0.24 / 0.48
0.30 / 0.60
0.36 / 0.72
0.48 / 0.96
0.60 / 1.20
0.77 / 1.54
0.89 / 1.78
1.07 / 2.14
1.07 / 2.14
1.27 / 2.54
1.55 / 3.10
1.84 / 3.68
2.13 / 4.26
2.88 / 5.76
2.88 / 5.76
3.45 / 6.90
4.60 / 9.20
5.75 / 11.5
6.90 / 13.8
8.05 / 16.1
9.20 / 18.4
10.3 / 20.7
13.1 / 26.2
23
°C
0.05 / 0.10
0.10 / 0.20
0.17 / 0.34
0.20 / 0.40
0.25 / 0.50
0.30 / 0.60
0.40 / 0.80
0.50 / 1.00
0.65 / 1.30
0.75 / 1.50
0.90 / 1.80
0.90 / 1.80
1.10 / 2.20
1.35 / 2.70
1.60 / 3.20
1.85 / 3.70
2.50 / 5.00
2.50 / 5.00
3.00 / 6.00
4.00 / 8.00
5.00 / 10.0
6.00 / 12.0
7.00 / 14.0
8.00 / 16.0
9.00 / 18.0
11.0 / 22.1
40
°C
0.04 / 0.08
0.08 / 0.16
0.14 / 0.28
0.16 / 0.32
0.20 / 0.40
0.24 / 0.48
0.32 / 0.64
0.41 / 0.82
0.53 / 1.06
0.61 / 1.22
0.73 / 1.46
0.73 / 1.46
0.91 / 1.82
1.12 / 2.24
1.33 / 2.66
1.54 / 3.08
2.08 / 4.16
2.08 / 4.16
2.49 / 4.98
3.32 / 6.64
4.15 / 8.30
4.98 / 9.96
5.81 / 11.6
6.64 / 13.2
7.47 / 14.9
9.40 / 18.4
50
°C
0.04 / 0.08
0.07 / 0.14
0.12 / 0.24
0.14 / 0.28
0.18 / 0.36
0.22 / 0.44
0.29 / 0.58
0.36 / 0.72
0.47 / 0.94
0.54 / 1.08
0.65 / 1.30
0.65 / 1.30
0.85 / 1.70
1.04 / 2.08
1.23 / 2.46
1.42 / 2.84
1.93 / 3.86
1.93 / 3.86
2.31 / 4.62
3.08 / 6.16
3.85 / 7.70
4.62 / 9.24
5.39 / 10.7
6.16 / 12.3
6.93 / 12.7
8.80 / 17.6
60
°C
0.03 / 0.07
0.06 / 0.12
0.11 / 0.22
0.13 / 0.26
0.16 / 0.32
0.19 / 0.38
0.25 / 0.50
0.32 / 0.64
0.41 / 0.82
0.47 / 0.94
0.57 / 1.14
0.57 / 1.14
0.75 / 1.50
0.92 / 1.84
1.09 / 2.18
1.26 / 2.52
1.70 / 3.40
1.70 / 3.40
2.04 / 4.08
2.72 / 5.44
3.40 / 6.80
4.08 / 8.16
4.76 / 9.52
5.44 / 10.8
6.12 / 12.2
7.80 / 15.6
70
°C
0.03 / 0.07
0.05 / 0.10
0.09 / 0.18
0.11 / 0.22
0.14 / 0.28
0.16 / 0.32
0.22 / 0.44
0.27 / 0.54
0.35 / 0.70
0.41 / 0.82
0.49 / 0.98
0.49 / 0.98
0.67 / 1.34
0.82 / 1.64
0.98 / 1.96
1.13 / 2.26
1.53 / 3.06
1.53 / 3.06
1.83 / 3.66
2.44 / 4.88
3.05 / 6.10
3.66 / 7.32
4.27 / 9.44
4.88 / 9.76
5.49 / 10.9
6.90 / 13.8
85
°C
0.02 / 0.05
0.04 / 0.08
0.07 / 0.14
0.08 / 0.16
0.10 / 0.20
0.12 / 0.24
0.16 / 0.32
0.20 / 0.40
0.26 / 0.52
0.30 / 0.60
0.36 / 0.72
0.36 / 0.72
0.57 / 1.14
0.70 / 1.40
0.83 / 1.66
0.96 / 1.92
1.30 / 2.60
1.30 / 2.60
1.56 / 3.12
2.08 / 4.16
2.60 / 5.20
3.12 / 6.24
3.64 / 7.28
4.16 / 8.32
4.68 / 9.36
5.20 / 10.4
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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