Thermal Derating Chart - Ihold (Amps)

Model

Ambient Operating Temperature

-40 ˚C

-20 ˚C

0 ˚C

23 ˚C

40 ˚C

50 ˚C

60 ˚C

70 ˚C

85 ˚C

MF-MSMF010

0.16

0.14

0.12

0.10

0.08

0.07

0.06

0.05

0.03

MF-MSMF014

0.23

0.19

0.17

0.14

0.12

0.10

0.09

0.08

0.06

MF-MSMF020

0.29

0.26

0.23

0.20

0.17

0.15

0.14

0.12

0.10

MF-MSMF020/60

0.29

0.26

0.23

0.20

0.17

0.15

0.14

0.12

0.10

MF-MSMF030

0.44

0.39

0.35

0.30

0.26

0.23

0.21

0.18

0.15

MF-MSMF050

0.77

0.68

0.59

0.50

0.44

0.40

0.37

0.33

0.29

MF-MSMF050/30X

0.77

0.68

0.59

0.50

0.44

0.40

0.37

0.33

0.25

MF-MSMF050/40X

0.77

0.68

0.59

0.50

0.44

0.40

0.37

0.33

0.25

MF-MSMF075

1.15

1.01

0.88

0.75

0.65

0.60

0.55

0.49

0.43

MF-MSMF075/24

1.15

1.01

0.88

0.75

0.65

0.60

0.55

0.49

0.43

MF-MSMF075/33X

1.16

1.03

0.90

0.75

0.63

0.56

0.49

0.42

0.32

MF-MSMF110

1.59

1.43

1.26

1.10

0.95

0.87

0.80

0.71

0.60

MF-MSMF110/16

1.59

1.43

1.26

1.10

0.95

0.87

0.80

0.71

0.60

MF-MSMF110/24X

2.00

1.70

1.40

1.10

0.95

0.88

0.80

0.73

0.61

MF-MSMF125

1.80

1.63

1.43

1.25

1.08

0.99

0.91

0.81

0.68

MF-MSMF150

2.17

1.95

1.72

1.50

1.30

1.18

1.09

0.97

0.82

MF-MSMF150/12

2.17

1.95

1.72

1.50

1.30

1.18

1.09

0.97

0.82

MF-MSMF150/24X

2.10

1.90

1.70

1.50

1.25

1.13

1.00

0.88

0.69

MF-MSMF160

2.30

2.20

1.90

1.60

1.45

1.30

1.15

1.03

0.91

MF-MSMF200

3.08

2.71

2.35

2.00

1.80

1.60

1.50

1.40

1.25

MF-MSMF250/16X

3.90

3.42

2.96

2.50

2.24

1.98

1.85

1.29

0.94

MF-MSMF260

4.00

3.52

3.06

2.60

2.34

2.08

1.95

1.39

1.04

Specificationsaresubjecttochangewithoutnotice.

Usersshouldverifyactualdeviceperformanceintheirspecificapplications.

Theproductsdescribedhereinandthisdocumentaresubjecttospecificlegaldisclaimersassetforthonthelastpageofthisdocument,andatwww.bourns.com/docs/legal/disclaimer.pdf.

MF-MSMF Series - PTC Resettable Fuses

Profile Feature

Pb-Free Assembly

3 °C / second max.

PREHEAT:

150 °C

200 °C

60~180 seconds

TIME MAINTAINED ABOVE:

217 °C

60~150 seconds

260 °C

20~40 seconds

Ramp-Down Rate

6 °C / second max.

Time 25 °C to Peak Temperature

8 minutes max.