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1. Applications:
Applicable to the surge current suppression of the conversion power supply, switching power supply, UPS power supply, large power lights and electric heaters.
2. Features:
This type NTC thermistor is processed with high purity materials and special techniques, and it can work continously under high steady current. It is one of the power NTC thermistors that have the best surge current suppression capability and the highest workable steady current.
3.Specification：
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| 4.外型结构和尺寸：
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30 |
35 |
45 |
60 |
Format Diameter（D）max |
35 |
40 |
50 |
65 |
Thickness（T）max |
10 |
12 |
12 |
12 |
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5.Main Techno-Parameter
Part No |
R 25
（Ω） |
Max.Steady State Current
（A） |
Approx.R of Max.Cur.at 25℃
（Ω） |
Dissi.Coef.
（mW/℃） |
Thermal time Constant
（S） |
Operating Temp
（℃） |
Chip Diameter：30mm |
-55～+200 |
MF73-0.7/14 |
0.7 |
14 |
0.061 |
45 |
190 |
MF73-1/11 |
1 |
11 |
0.089 |
45 |
190 |
MF73-1.5/11 |
1.5 |
11 |
0.099 |
43 |
190 |
MF73-2/10 |
2 |
10 |
0.117 |
43 |
190 |
MF73-3/10 |
3 |
10 |
0.120 |
43 |
190 |
MF73-5/9 |
5 |
9 |
0.148 |
41 |
190 |
MF73-8/8 |
8 |
8 |
0.179 |
45 |
190 |
MF73-10/8 |
10 |
8 |
0.188 |
43 |
190 |
MF73-16/7 |
16 |
7 |
0.232 |
45 |
190 |
MF73-20/7 |
20 |
7 |
0.245 |
45 |
190 |
MF73-30/6 |
30 |
6 |
0.333 |
45 |
190 |
Chip Diameter：35mm |
MF73-0.7/15 |
0.7 |
15 |
0.064 |
50 |
235 |
MF73-1/12 |
1 |
12 |
0.093 |
50 |
235 |
MF73-1.2/12 |
1.5 |
12 |
0.101 |
47 |
235 |
MF73-2/11 |
2 |
11 |
0.115 |
47 |
235 |
MF73-3/11 |
3 |
11 |
0.120 |
47 |
235 |
MF73-5/10 |
5 |
10 |
0.145 |
45 |
235 |
MF73-8/9 |
8 |
9 |
0.173 |
50 |
235 |
MF73-10/9 |
10 |
9 |
0.179 |
47 |
235 |
MF73-16/8 |
16 |
8 |
0.217 |
50 |
235 |
MF73-20/8 |
20 |
8 |
0.226 |
50 |
235 |
MF73-30/7 |
30 |
7 |
0.296 |
50 |
235 |
Chip Diameter：45mm |
MF73-0.7/17 |
0.7 |
17 |
0.059 |
66 |
285 |
MF73-1/14 |
1 |
14 |
0.078 |
66 |
285 |
MF73-1.5/14 |
1.5 |
14 |
0.087 |
62 |
285 |
MF73-2/13 |
2 |
13 |
0.096 |
62 |
285 |
MF73-3/13 |
3 |
13 |
0.101 |
62 |
285 |
MF73-5/12 |
5 |
12 |
0.118 |
60 |
285 |
MF73-8/11 |
8 |
11 |
0.134 |
66 |
285 |
MF73-10/11 |
10 |
11 |
0.140 |
62 |
285 |
MF73-16/10 |
16 |
10 |
0.163 |
60 |
285 |
MF73-20/10 |
20 |
10 |
0.170 |
60 |
285 |
MF73-30/9 |
30 |
9 |
0.210 |
60 |
285 |
Chip Diameter：60mm |
MF73-0.5/25 |
0.5 |
25 |
0.032 |
94 |
350 |
MF73-0.7/20 |
0.7 |
20 |
0.050 |
94 |
350 |
MF73-1/17 |
1 |
17 |
0.060 |
94 |
350 |
MF73-1.5/17 |
1.5 |
17 |
0.069 |
88 |
350 |
MF73-2/16 |
2 |
16 |
0.075 |
88 |
350 |
MF73-3/16 |
3 |
16 |
0.078 |
88 |
350 |
MF73-5/15 |
5 |
15 |
0.089 |
85 |
350 |
MF73-8/14 |
8 |
14 |
0.098 |
94 |
350 |
MF73-10/14 |
10 |
14 |
0.102 |
88 |
350 |
MF73-16/13 |
16 |
13 |
0.113 |
85 |
350 |
MF73-20/13 |
20 |
13 |
0.118 |
85 |
350 |
MF73-30/12 |
30 |
12 |
0.138 |
85 |
350 |
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Remark:Unless the particular indication,the allowable tolerance of R25 is ±20%.
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Add: 179-1 Shuanglong Road,
Chalu Town, Jiangning
District, Nanjing
Postal Code: 211101
Marketing Department:
025-52105493
Switchboard: 025-52121898
025-52121868
Fax: 025-52122373
E-mail:sales@shiheng.com.cn
shi-heng@vip.163.com |
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