Datasheet

Thermal Derating Chart - I
hold /
I
trip
(Amps)
Ambient Operating Temperature
Model
-40˚C -20˚C 0˚C 23˚C 40˚C 50˚C 60˚C 70˚C 85˚C
MF-R010 0.16 / 0.32 0.14 / 0.28 0.12 / 0.24 0.10 / 0.20 0.08 / 0.16 0.07 / 0.14 0.06 / 0.12 0.05 / 0.10 0.04 / 0.08
MF-R017 0.26 / 0.52 0.23 / 0.46 0.20 / 0.40 0.17 / 0.34 0.14 / 0.28 0.12 / 0.24 0.11 / 0.22 0.09 / 0.18 0.07 / 0.14
MF-R020 0.31 / 0.62 0.27 / 0.54 0.24 / 0.48 0.20 / 0.40 0.16 / 0.32 0.14 / 0.28 0.13 / 0.26 0.11 / 0.22 0.08 / 0.16
MF-R025 0.39 / 0.78 0.34 / 0.68 0.30 / 0.60 0.25 / 0.50 0.20 / 0.40 0.18 / 0.36 0.16 / 0.32 0.14 / 0.28 0.10 / 0.20
MF-R030 0.47 / 0.94 0.41 / 0.82 0.36 / 0.72 0.30 / 0.60 0.24 / 0.48 0.22 / 0.44 0.19 / 0.38 0.16 / 0.32 0.12 / 0.24
MF-R040 0.62 / 1.24 0.54 / 1.08 0.48 / 0.96 0.40 / 0.80 0.32 / 0.64 0.29 / 0.58 0.25 / 0.50 0.22 / 0.44 0.16 / 0.32
MF-R050 0.78 / 1.56 0.68 / 1.36 0.60 / 1.20 0.50 / 1.00 0.41 / 0.82 0.36 / 0.72 0.32 / 0.64 0.27 / 0.54 0.20 / 0.40
MF-R065 1.01 / 2.02 0.88 / 1.76 0.77 / 1.54 0.65 / 1.30 0.53 / 1.06 0.47 / 0.94 0.41 / 0.82 0.35 / 0.70 0.26 / 0.52
MF-R075 1.16 / 2.32 1.02 / 2.04 0.89 / 1.78 0.75 / 1.50 0.61 / 1.22 0.54 / 1.08 0.47 / 0.94 0.41 / 0.82 0.30 / 0.60
MF-R090 1.40 / 2.80 1.22 / 2.44 1.07 / 2.14 0.90 / 1.80 0.73 / 1.46 0.65 / 1.30 0.57 / 1.14 0.49 / 0.98 0.36 / 0.72
MF-R090-0-9 1.40 / 2.80 1.22 / 2.44 1.07 / 2.14 0.90 / 1.80 0.73 / 1.46 0.65 / 1.30 0.57 / 1.14 0.49 / 0.98 0.36 / 0.72
MF-R110 1.60 / 3.20 1.43 / 2.86 1.27 / 2.54 1.10 / 2.20 0.91 / 1.82 0.85 / 1.70 0.75 / 1.50 0.67 / 1.34 0.57 / 1.14
MF-R135 1.96 / 3.92 1.76 / 3.52 1.55 / 3.10 1.35 / 2.70 1.12 / 2.24 1.04 / 2.08 0.92 / 1.84 0.82 / 1.64 0.70 / 1.40
MF-R160 2.32 / 4.64 2.08 / 4.16 1.84 / 3.68 1.60 / 3.20 1.33 / 2.66 1.23 / 2.46 1.09 / 2.18 0.98 / 1.96 0.83 / 1.66
MF-R185 2.68 / 5.36 2.41 / 4.82 2.13 / 4.26 1.85 / 3.70 1.54 / 3.08 1.42 / 2.84 1.26 / 2.52 1.13 / 2.26 0.96 / 1.92
MF-R250 3.63 / 7.26 3.25 / 6.50 2.88 / 5.76 2.50 / 5.00 2.08 / 4.16 1.93 / 3.86 1.70 / 3.40 1.53 / 3.06 1.30 / 2.60
MF-R250-0-10 3.63 / 7.26 3.25 / 6.50 2.88 / 5.76 2.50 / 5.00 2.08 / 4.16 1.93 / 3.86 1.70 / 3.40 1.53 / 3.06 1.30 / 2.60
MF-R300 4.35 / 8.70 3.90 / 7.80 3.45 / 6.90 3.00 / 6.00 2.49 / 4.98 2.31 / 4.62 2.04 / 4.08 1.83 / 3.66 1.56 / 3.12
MF-R400 5.80 / 11.6 5.20 / 10.4 4.60 / 9.20 4.00 / 8.00 3.32 / 6.64 3.08 / 6.16 2.72 / 5.44 2.44 / 4.88 2.08 / 4.16
MF-R500 7.25 / 14.5 6.50 / 13.0 5.75 / 11.5 5.00 / 10.0 4.15 / 8.30 3.85 / 7.70 3.40 / 6.80 3.05 / 6.10 2.60 / 5.20
MF-R600 8.70 / 17.4 7.80 / 15.6 6.90 / 13.8 6.00 / 12.0 4.98 / 9.96 4.62 / 9.24 4.08 / 8.16 3.66 / 7.32 3.12 / 6.24
MF-R700 10.1 / 20.3 9.10 / 18.2 8.05 / 16.1 7.00 / 14.0 5.81 / 11.6 5.39 / 10.7 4.76 / 9.52 4.27 / 9.44 3.64 / 7.28
MF-R800 11.6 / 23.2 10.4 / 20.8 9.20 / 18.4 8.00 / 16.0 6.64 / 13.2 6.16 / 12.3 5.44 / 10.8 4.88 / 9.76 4.16 / 8.32
MF-R900 13.0 / 26.1 11.7 / 23.4 10.3 / 20.7 9.00 / 18.0 7.47 / 14.9 6.93 / 12.7 6.12 / 12.2 5.49 / 10.9 4.68 / 9.36
Specifications are subject to change without notice.
10
NOTE: Kinked lead option is
available for board standoff.
Contact factory for details.
A
E
B
D
B
D
C
Style 1
A
E
B
D
C
Style 2
A
E
C
Style 3
Typical Part Marking: MF-R010 - R025
Represents total content. Layout may vary.
Product Dimensions (see page 9 for dimensions)
025
0A
PART
IDENTIFICATION
MANUFACTURER'S
TRADEMARK
DATE CODE:
WEEK 1 OF 2000 = 0A
(YEAR & WEEK)
WEEK 27 OF 2000 = A0
(WEEK & YEAR)
Typical Part Marking: MF-R030 - R900
Represents total content. Layout may vary.
R250
0180T
MANUFACTURER'S
TRADEMARK
PART
IDENTIFICATION
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
LOT NO.
(T = TAIWAN
S = XIAMEN)
MF-R Series - PTC Resettable Fuses