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72R075X PDF预览

72R075X

更新时间： 2024-11-12 06:31:35
品牌 Logo 应用领域
力特 - LITTELFUSE /
页数 文件大小 规格书
7页 170K
描述
POLYFUSE Resettable PTCs

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中文翻译

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72R075X 数据手册

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range of low voltage power  
supplies  
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POLYFUSE® Resettable PTCs  
Radial Leaded > 72R Series  
72R Series  
Description  
The 72R Series is designed to provide overcurrent  
protection to 72Vdc maximum voltage with a maximum  
40A short circuit rating.  
Features  
lead-free  
tꢀ*EFBMꢀGPSꢀBꢀCSPBEꢀSBOHFꢀPGꢀ  
tꢀꢁꢂ7EDꢀNBYꢀWPMUBHFꢀXꢃNBYꢀ general electronics using a  
40A short circuit rating  
low voltage power supply  
Agency Approvals  
Applications  
AGENCY  
AGENCY FILE NUMBER  
E183209  
R50119318  
tꢀ$PNQVUFST  
Electrical Characteristics  
MaximumTime  
ToTrip  
Agency  
Approvals  
Resistance  
I hold  
Part Number  
(A)  
I trip  
(A)  
V max  
(Vdc)  
I max  
(A)  
P
typ.  
d(W)  
R min  
R 1max  
Current  
(A)  
Time  
(Sec.)  
(Ω)  
(Ω)  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
72R020X  
72R025X  
72R030X  
72R040X  
72R050X  
72R065X  
72R075X  
72R090X  
72R110X  
72R135X  
72R160X  
72R185X  
72R250X  
72R300X  
72R375X  
0.20  
0.25  
0.30  
0.40  
0.50  
0.65  
0.75  
0.90  
1.10  
0.40  
0.50  
0.60  
0.80  
1.00  
1.30  
1.50  
1.80  
2.20  
2.70  
3.20  
3.70  
5.00  
6.00  
7.50  
72  
72  
72  
72  
72  
72  
72  
72  
72  
72  
72  
72  
72  
72  
72  
40  
40  
40  
40  
40  
40  
40  
40  
40  
40  
40  
40  
40  
40  
40  
0.41  
0.45  
0.49  
0.56  
0.77  
0.88  
0.92  
0.99  
1.50  
1.70  
1.90  
2.10  
2.50  
2.80  
3.20  
1.00  
1.25  
2.20  
2.50  
3.00  
3.80  
4.00  
5.30  
6.30  
7.20  
1.830  
1.250  
0.880  
0.550  
0.500  
0.310  
0.250  
0.200  
0.150  
0.120  
0.090  
0.080  
0.050  
0.040  
0.030  
4.400  
3.000  
2.100  
1.290  
1.170  
0.720  
0.600  
0.470  
0.380  
0.300  
0.220  
0.190  
0.130  
0.100  
0.080  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1.50  
2.00  
2.50  
3.25  
3.75  
4.50  
5.50  
6.75  
8.00  
9.25  
12.50  
15.00  
18.75  
8.20  
9.60  
11.40  
12.60  
15.60  
19.80  
24.00  
1.35  
1.60  
1.85  
2.50  
3.00  
3.75  
I hold = Hold current: maximum current device will pass without tripping in 23°C still air.  
I trip =Trip current: minimum current at which the device will trip in 23°C still air.  
R 1max = Maximum resistance of device at 23°C measured one hour after tripping or reflow  
soldering of 260°C for 20 sec.  
Caution: Operation beyond the specified rating may result in damage and possible arcing  
and flame.  
V max = Maximum voltage device can withstand without damage at rated current (I max)  
I max = Maximum fault current device can withstand without damage at rated voltage (Vmax  
P d = Power dissipated from device when in the tripped state at 23°C still air.  
R min = Minimum resistance of device in initial (un-soldered) state.  
)
©2009 Littelfuse, Inc.  
139  
Revised: April 3, 2009  
72R Series  
Specifications are subject to change without notice.  
Please refer to www.littelfuse.com/series/72R.html for current information.  
1234567

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