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Add: No.95-97, hENGJIE town, Luqiao Borough,  Taizhou City, Zhejiang Province, China


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Power NTC Thermistor MF72
Power NTC Thermistor » MF72
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MF72

Power NTC Thermistor

Conversion power supply, switch power, UPS power, kinds of electric heater, electronic energy-saving lamps, electronic ballast all kinds of power circuit protection of electronic equipments, filament protection of CRT, bulb and other lighting lamps.
When you turn on an electrical equipment, the surge current can be restrained by a power NTC thermistor connected in series with the power circuit .Because of the continuing action of current ,temperature of power NTC thermistor raising, the resistance will rapidly drop to a small value ,so the consumed power can be ignored. Therefore, using power NTC thermistor is a most effectively and most brief measure to restrain surge current protecting electrical equipment from destruction.

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Power NTC Thermistor Details

Characteristics:
Small size, Strong power and strong capability of surge current protection.
Characteristics Fast response to the rapidly surge.
Big material constant (B value),Small remain resistance.
Longevity of service, High reliability.
Integral series, Extensive operating range.
 
Feature:
Smart dimension
Good quality for welding and bear welding
High precision
 
Code:
 
The Formal Dimensions:
 
型号 代号
D
＋2
－1
T
max
d
±0.05
F1
±1
F2
±1.5
Straight Lead Wire
Curved Lead Wire
 
Lmin
bL1min
 
L2+2
□D5
6.5
5
0.6/0.45
5/2.5
3
25
17/5
8
□D7
8.5
5
0.6
5
3
25
17/5
8
□D9
10.5
5.5
0.8/0.6
7.5/5
5/3
25
17/5
8
□D11
12.5
5.5
0.8/0.6
7.5/5
5/3
25
17/5
8
□D13
14.5
Main Techno-Parameter:
 
 
 
Part No
R 25
（Ω）
Max. Steady State Current
（A）
Approx Rof Max.Cur
（Ω）
Dissi Coef
（mW/℃）
Thermal time Constant
（S）
MF72-5D5
5
1
0.353
6
20
MF72-10D5
10
0.7
0.771
6
20
MF72-60D5
60
0.5
1.878
6
18
MF72-200D5
200
0.1
6.259
6
18
MF72-5D7
5
2
0.283
10
30
MF72-8D7
8
1
0.539
9
28
MF72-10D7
10
1
0.616
9
27
MF72-12D7
12
1
0.816
9
27
MF72-16D7
16
0.7
1.003
9
27
MF72-22D7
22
0.6
1.108
9
27
MF72-33D7
33
0.5
1.485
10
28
MF72-200D7
200
0.2
6.233
11
28
MF72-3D9
3
4
0.120
11
35
MF72-4D9
4
3
0.190
11
35
MF72-5D9
5
3
0.210
11
34
MF72-6D9
6
2
0.315
11
34
MF72-8D9
8
2
0.400
11
32
MF72-10D9
10
2
0.458
11
32
MF72-12D9
12
1
0.652
11
32
MF72-16D9
16
1
0.802
11
31
MF72-20D9
20
1
0.864
11
30
MF72-22D9
22
1
0.950
11
30
MF72-30D9
30
1
1.022
11
30
MF72-33D9
33
1
1.124
11
30
MF72-50D9
50
1
1.252
11
30
MF72-60D9
60
0.8
1.502
11
30
MF72-80D9
80
0.8
2.010
11
30
MF72-120D9
120
0.8
3.015
11
30
MF72-200D9
200
0.5
5.007
11
32
MF72-400D9
400
0.2
9.852
11
32
MF72-2.5D11
2.5
5
0.095
13
43
MF72-3D11
3
5
0.100
13
43
MF72-4D11
4
4
0.150
13
44
MF72-5D11
5
4
0.156
13
45
MF72-6D11
6
3
0.240
13
45
MF72-8D11
8
3
0.255
14
47
MF72-10D11
10
3
0.275
14
47
MF72-12D11
12
2
0.462
14
48
MF72-16D11
16
2
0.470
14
50
MF72-20D11
20
2
0.512
15
52
MF72-22D11
22
2
0.563
15
52
MF72-30D11
30
1.5
0.667
15
52
MF72-33D11
33
1.5
0.734
15
52
MF72-50D11
50
1.5
1.021
15
52
MF72-60D11
60
1.5
1.215
15
52
MF72-80D11
80
1.2
1.656
15
52
MF72-1.3D13
1.3
7
0.062
13
60
MF72-1.5D13
1.5
7
0.073
13
60
MF72-2.5D13
2.5
6
0.088
13
60
MF72-3D13
3
6
0.092
14
60
MF72-4D13
4
5
0.120
15
67
MF72-5D13
5
5
0.125
15
68
MF72-6D13
6
4
0.170
15
65
MF72-7D13
7
4
0.188
15
65
MF72-8D13
8
4
0.194
15
60
MF72-10D13
10
4
0.206
15
65
MF72-12D13
12
3
0.316
16
65
MF72-15D13
15
3
0.335
16
60
MF72-16D13
16
3
0.338
16
60
MF72-20D13
20
3
0.372
16
65
MF72-30D13
30
2.5
0.517
16
65
MF72-47D13
47
2
0.810
17
65
MF72-120D13
120
1.5
2.124
16
65
MF72-1.3D15
1.3
8
0.048
18
68
MF72-1.5D15
1.5
8
0.052
19
69
MF72-3D15
3
7
0.075
18
76
MF72-5D15
5
6
0.112
20
76
MF72-6D15
6
5
0.155
20
80
MF72-7D15
7
5
0.173
20
80
MF72-8D15
9
5
0.178
20
80
MF72-10D15
10
5
0.180
20
75
MF72-12D15
12
4
0.250
20
75
MF72-15D15
15
4
0.268
21
85
MF72-16D15
16
4
0.276
21
70
MF72-20D15
20
4
0.288
17
86
MF72-30D15
30
3.5
0.438
18
75
MF72-47D15
47
3
0.680
21
86
MF72-120D15
120
2.5
1.652
22
87
MF72-0.7D20
0.7
12
0.018
25
112
MF72-1.3D20
1.3
9
0.037
24
113
MF72-3D20
3
8
0.055
24
113
MF72-5D20
5
7
0.087
23
112
MF72-6D20
6
6
0.113
25
114
MF72-8D20
8
6
0.142
25
115
MF72-10D20
10
6
0.162
24
113
MF72-12D20
12
5
0.195
24
114
MF72-16D20
16
5
0.212
25
113
MF72-0.7D25
0.7
13
0.014
30
151
MF72-1.5D25
1.5
10
0.027
30
152
MF72-3D25
3
9
0.044
32
150
MF72-5D25
5
8
0.070
32
151
MF72-8D25
8
7
0.114
33
151
MF72-10D25
10
7
0.130
32
150
MF72-12D25
12
6
0.156
32
150
MF72-16D25
16
6
0.160
35
152
Remark：Unless the particular indication, the allowable tolerance of R25 is ±20%.
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