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MF-RX300-72

Part Number	MF-RX300-72
Manufacturer	Bourns
Description	PTC Resettable Fuses
Published	May 6, 2014
Detailed Description	IA NT Features ■ 72 V rated ■ Radial leaded devices RX11 4180 0 S Applications Almost anywhere there is a low voltage ...
Datasheet	MF-RX300-72 PDF File

Overview

IA NT Features ■ 72 V rated ■ Radial leaded devices RX11 4180 0 S Applications Almost anywhere there is a low voltage power supply, up to 72 V and a load to be protected, including: ■ Security and ﬁ re alarm systems ■ Loudspeakers ■ Power transformers *R oH S CO M PL ■ Cured, ﬂame retardant epoxy polymer insulating material meets UL 94 V-0 requirements ■ RoHS compliant* ■ Agency recognition: MF-RX/72 Series - PTC Resettable Fuses Electrical Characteristics Ihold Model V max.
Volts I max.
Amps Itrip Initial Resistance Ohms at 23 °C Min.
Max.
1 Hour (R1) Post-Trip Resistance Ohms at 23 °C Max.
4.
40 3.
00 2.
10 1.
29 1.
17 0.
72 0.
60 0.
47 0.
38 0.
30 0.
22 0.
19 0.
13 0.
10 0.
08 Max.
Time To Trip Amperes at 23 °C 1.
0 1.
25 1.
5 2.
0 2.
5 3.
25 3.
75 4.
5 5.
5 6.
75 8.
0 9.
25 12.
5 15.
0 18.
75 Seconds at 23 °C 2.
2 2.
5 3.
0 3.
9 4.
0 5.
3 6.
3 7.
2 8.
2 9.
6 11.
4 12.
6 15.
6 19.
8 24.
0 Tripped Power Dissipation Watts at 23 °C Typ.
0.
40 0.
45 0.
50 0.
55 0.
75 0.
90 0.
90 1.
00 1.
50 1.
70 1.
90 2.
10 2.
50 2.
80 3.
20 MF-RX020/7...

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MF-RX300-72 PTC Resettable Fuses - Bourns

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