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抑制浪涌电流能力强、稳态功耗低、残余电阻值小、自恢复
阻值范围和电流范围宽广，系列全
• 应用范围
转换电源、开关电源、 UPS 电源、加热器、电子节能灯、电子整流器、
电源电路、彩色显像管、白炽灯及其它照明灯具的灯丝保护。
• 外形尺寸（单位： mm ）
• 典型 R-T 、 V-I 特性
• 主要技术参数 SPECIFICATION
|
型号规格 Part No. （ MF71 / NTC ） |
额定阻值 Rated Resistor at 25 ℃ |
最大稳 态电流 Max State Current |
残余电阻值 Resistance at Imax （ Approx ） |
耗散系数 Thermal DisSIPation Constant |
热时间常数 Thermal Time Constant | |
|
R 25 |
Imax |
R I |
δ |
ζ | ||
|
（ Ω ） |
（ A ） |
（ Ω ） |
（ mW/ ℃ ） |
（ SEC ） | ||
|
Φ 5 |
MF71-5D-5 |
5 |
1 |
0.330 |
6 |
20 |
|
MF71-10D-5 |
10 |
0.7 |
0.728 |
6 |
20 | |
|
MF71-60D-5 |
60 |
0.5 |
1.840 |
6 |
20 | |
|
MF71-200D-5 |
200 |
0.1 |
6.018 |
6 |
20 | |
|
Φ 7 |
MF71-5D-7 |
5 |
2 |
0.255 |
8 |
30 |
|
MF71-10D-7 |
10 |
1 |
0.554 |
8 |
30 | |
|
MF71-16D-7 |
16 |
0.7 |
1.020 |
8 |
30 | |
|
MF71-22D-7 |
22 |
0.6 |
1.028 |
8 |
30 | |
|
MF71-200D-7 |
200 |
0.2 |
6.030 |
8 |
30 | |
|
Φ 9 |
MF71-3D-9 |
3 |
3 |
0.125 |
11 |
35 |
|
MF71-4D-9 |
4 |
3 |
0.166 |
11 |
35 | |
|
MF71-5D-9 |
5 |
3 |
0.200 |
11 |
35 | |
|
MF71-6D-9 |
6 |
3 |
0.211 |
11 |
35 | |
|
MF71-8D-9 |
8 |
2 |
0.344 |
12 |
35 | |
|
MF71-10-9 |
10 |
2 |
0.431 |
12 |
36 | |
|
MF71-16D-9 |
16 |
2 |
0.459 |
12 |
35 | |
|
MF71-22D-9 |
22 |
2 |
0.720 |
12 |
40 | |
|
Φ 11 |
MF71-2R5D-11 |
2.5 |
5 |
0.084 |
13 |
45 |
| MF71-3D-11 |
3 |
4 |
0.121 |
13 |
45 | |
|
MF71-4D-11 |
4 |
4 |
0.132 |
13 |
45 | |
|
MF71-5D-11 |
5 |
4 |
0.139 |
13 |
45 | |
|
MF71-6D-11 |
6 |
3 |
0.221 |
13 |
45 | |
|
MF71-8D-11 |
8 |
3 |
0.240 |
13 |
45 | |
|
MF71-10D-11 |
10 |
3 |
0.251 |
14 |
50 | |
|
MF71-12D-11 |
12 |
2 |
0.343 |
14 |
50 | |
|
MF71-16D-11 |
16 |
2 |
0.512 |
14 |
50 | |
|
MF71-20D-11 |
20 |
2 |
0.546 |
14 |
53 | |
|
MF71-22D-11 |
22 |
2 |
0.561 |
14 |
53 | |
|
MF71-50D-11 |
50 |
2 |
0.634 |
14 |
53 | |
|
MF71-80D-11 |
80 |
1 |
1.989 |
14 |
53 | |
|
MF71-120D-11 |
120 |
1 |
2.22 |
14 |
53 | |
|
型号规格 Part No. （ MF71 / NTC ） |
额定阻值 Rated Resistor at 25 ℃ |
最大稳 态电流 Max State Current |
残余电阻值 Resistance at Imax （ Approx ） |
耗散系数 Thermal Dissipation Constant |
热时间常数 Thermal Time Constant | |
|
R 25 |
Imax |
R I |
δ |
ζ | ||
|
（ Ω ） |
（ A ） |
（ Ω ） |
（ mW/ ℃ ） |
（ SEC ） | ||
|
Φ 13 |
MF71-1R3D-13 |
1.3 |
7 |
0.043 |
13 |
65 |
|
MF71-2R5D-13 |
2.5 |
6 |
0.065 |
13 |
65 | |
|
MF71-3D-13 |
3 |
6 |
0.089 |
13 |
65 | |
|
MF71-4D-13 |
4 |
5 |
0.098 |
15 |
68 | |
|
MF71-５D-13 |
5 |
5 |
0.107 |
15 |
68 | |
|
MF71-６D-13 |
6 |
5 |
0.113 |
15 |
68 | |
|
MF71-8D-13 |
8 |
4 |
0.169 |
15 |
68 | |
|
MF71-10D-13 |
10 |
4 |
0.180 |
15 |
68 | |
|
MF71-12D-13 |
12 |
3 |
0.286 |
15 |
68 | |
|
MF71-16D-13 |
16 |
3 |
0.317 |
16 |
68 | |
|
MF71-20D-13 |
20 |
3 |
0.311 |
16 |
65 | |
|
MF71-25D-13 |
25 |
2.5 |
0.432 |
16 |
65 | |
|
Φ 15 |
MF71-1R3D-15 |
1.3 |
8 |
0.046 |
18 |
68 |
|
MF71-2R5D-15 |
2.5 |
8 |
0.050 |
18 |
70 | |
|
MF71-3D-15 |
3 |
7 |
0.063 |
18 |
76 | |
|
MF71-4D-15 |
4 |
6 |
0.086 |
18 |
76 | |
|
MF71-5D-15 |
5 |
6 |
0.098 |
20 |
76 | |
|
MF71-6D-15 |
6 |
5 |
0.135 |
20 |
80 | |
|
MF71-8D-15 |
8 |
5 |
0.146 |
20 |
80 | |
|
MF71-10D-15 |
10 |
5 |
0.155 |
20 |
80 | |
|
MF71-12D-15 |
12 |
4 |
0.225 |
20 |
82 | |
|
MF71-16D-15 |
16 |
4 |
0.217 |
20 |
78 | |
|
MF71-20D-15 |
20 |
4 |
0.230 |
20 |
80 | |
|
MF71-25D-15 |
25 |
3 |
0.379 |
20 |
82 | |
|
MF71-47D-15 |
47 |
3 |
0.494 |
23 |
85 | |
|
MF71-80D-15 |
80 |
2.5 |
0.605 |
20 |
78 | |
|
MF71-120D-15 |
120 |
2 |
0.985 |
20 |
81 | |
|
MF71-220D-15 |
220 |
1 |
3.150 |
20 |
90 | |
|
Φ20 |
MF71-0R7D-20 |
0.7 |
12 |
0.027 |
25 |
98 |
|
MF71-1R3D-20 |
1.3 |
10 |
0.041 |
24 |
104 | |
|
MF71-2R5D-20 |
2.5 |
10 |
0.044 |
24 |
105 | |
|
MF71-2R5D-20 |
2.5 |
12 |
0.032 |
25 |
98 | |
|
MF71-5D-20 |
5 |
7 |
0.090 |
24 |
112 | |
|
MF71-8D-20 |
8 |
6 |
0.115 |
24 |
98 | |
|
MF71-10D-20 |
10 |
6 |
0.122 |
24 |
100 | |
|
MF71-12D-20 |
12 |
6 |
0.128 |
24 |
100 | |
|
MF71-120D-20 |
120 |
2 |
1.076 |
24 |
103 | |
若非特别说明 R 25 允许偏差为±20%
可制作 Φ5～25mm，R 25 为0.5～220Ω，Imax为0.1～20A的产品
