MF-RX020/72 查看數據表（PDF） - Bourns, Inc
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MF-RX020/72 Datasheet PDF : 6 Pages
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MF-RX/72 Series - PTC Resettable Fuses
Typical Time to Trip at 23 ˚C
1000
100
100
10
10
1
1
0.1
0.1
0.01
0.01
0.001
0.1
1
10
Fault Current (Amps)
0.001
100
1
10
100
Fault Current (Amps)
The Time to Trip curves represent typical performance of a device in a simulated application environment. Actual performance in specific customer applications
may differ from these values due to the influence of other variables.
Thermal Derating Chart - Ihold (Amps)
Model
-40 °C
-20 °C
0 °C
MF-RX020/72
0.31
0.27
0.24
MF-RX025/72
0.39
0.34
0.30
MF-RX030/72
0.47
0.41
0.36
MF-RX040/72
0.62
0.54
0.48
MF-RX050/72
0.78
0.68
0.60
MF-RX065/72
1.01
0.88
0.77
MF-RX075/72
1.16
1.02
0.89
MF-RX090/72
1.40
1.22
1.07
MF-RX110/72
1.71
1.50
1.31
MF-RX135/72
2.09
1.84
1.61
MF-RX160/72
2.48
2.18
1.90
MF-RX185/72
2.87
2.52
2.20
MF-RX250/72
3.88
3.40
2.98
MF-RX300/72
4.65
4.08
3.57
MF-RX375/72
5.81
5.10
4.46
Ambient Operating Temperature
23 °C
40 °C
50 °C
0.20
0.16
0.14
0.25
0.20
0.18
0.30
0.24
0.22
0.40
0.32
0.29
0.50
0.41
0.36
0.65
0.53
0.47
0.75
0.61
0.54
0.90
0.73
0.65
1.10
0.89
0.79
1.35
1.09
0.97
1.60
1.30
1.15
1.85
1.50
1.33
2.50
2.03
1.80
3.00
2.43
2.16
3.75
3.04
2.70
60 °C
0.13
0.16
0.19
0.25
0.32
0.41
0.47
0.57
0.69
0.85
1.01
1.17
1.58
1.89
2.36
70 °C
0.11
0.14
0.16
0.22
0.27
0.35
0.41
0.49
0.59
0.73
0.86
1.00
1.35
1.62
2.03
85 °C
0.08
0.10
0.12
0.16
0.20
0.26
0.30
0.36
0.44
0.54
0.64
0.74
1.00
1.20
1.50
MF-RX/72 SERIES, REV. O 03/17
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
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