Bourns PTC fuse Current I(H) 0.2 A 72 V (L x W x H) 20.3 x 7.4 x 3.1 mm MF-RX020/72-0 1 pc(s) MF-RX020/72-0 数据表

MF-RX/72 SERIES, REV. G, 01/13

Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.

100

10

1

0.1

0.01

0.001

0.1

1

10

100

Fault Current (Amps)

T

ime to trip (Seconds)

MF-RX040

MF-RX075

MF-RX020

MF-RX050

MF-RX065 MF-RX090

MF-RX025

MF-RX030

0.01 

0.001 

1

10

100

0.1 

1 

10

100

1000

Fault Current (Amps)

Time to Trip (Seconds)

MF-RX110

/72

MF-RX135

/72

MF-RX160

/72

MF-RX185

/72

MF-RX250

/72

MF-RX300

/72

MF-RX375

/72

The Time to Trip curves represent typical performance of a device in a simulated application environment. Actual performance in specifi c customer applications 
may differ from these values due to the infl uence of other variables.

°C

°C

°C

°C

°C

°C

°C

°C

°C

MF-RX020/72

0.31  0.27  0.24 0.20 0.16 0.14 0.13 0.11 0.08 

MF-RX025/72

0.39  0.34  0.30 0.25 0.20 0.18 0.16 0.14 0.10 

MF-RX030/72

0.47  0.41  0.36 0.30 0.24 0.22 0.19 0.16 0.12 

MF-RX040/72

0.62  0.54  0.48 0.40 0.32 0.29 0.25 0.22 0.16 

MF-RX050/72

0.78  0.68  0.60 0.50 0.41 0.36 0.32 0.27 0.20 

MF-RX065/72

1.01  0.88  0.77 0.65 0.53 0.47 0.41 0.35 0.26 

MF-RX075/72

1.16  1.02  0.89 0.75 0.61 0.54 0.47 0.41 0.30 

MF-RX090/72

1.40  1.22  1.07 0.90 0.73 0.65 0.57 0.49 0.36 

MF-RX110/72

1.71

1.50

1.31

1.10

0.89

0.79

0.69

0.59

0.44

MF-RX135/72

2.09

1.84

1.61

1.35

1.09

0.97

0.85

0.73

0.54

MF-RX160/72

2.48

2.18

1.90

1.60

1.30

1.15

1.01

0.86

0.64

MF-RX185/72

2.87

2.52

2.20

1.85

1.50

1.33

1.17

1.00

0.74

MF-RX250/72

3.88

3.40

2.98

2.50

2.03

1.80

1.58

1.35

1.00 

MF-RX300/72

4.65

4.08

3.57

3.00

2.43

2.16

1.89

1.62

1.20

MF-RX375/72

5.81

5.10

4.46

3.75

3.04

2.70

2.36

2.03

1.50