





Resistance value, line length, line number, encapsulated shell, and tail terminal support customization! If you have special requirements, please contact us, thank you!
product features:
1. Mf52 series products are radial CP line resin coating type
2. The resistance range is wide: 1 to 100K
3. High precision of resistance and B value
4. High temperature measurement accuracy
5. Small volume and fast reaction speed
6. High reliability
7. Be able to work stably for a long time
8. Operating temperature range – 40 ~ 120 ℃
Products are widely used in:
Air Conditioners, Water Heaters,
Refrigerators, Incubators, Heaters, Radiators, Soy milk Machines, Coffee Machines,
Hot Water Bottles, Precision Electronics, Sports Equipment, Mobile Phones,
3D Printers, Photocopiers, Fax Machines, Thermometers, Communications,
Medical Equipment, Oil Temperature Measurement , Oil Module, Evaporator,
Lithium Battery, Seat, Engine Cooling System, Thermal Protection, Circuit Board,
Burner, Electrical Appliances, Heating Control System, Power Supply Protection, Etc…

Electrical performance parameters
|
project |
symbol |
Test conditions |
minimum |
Normal value |
maximum |
unit |
|
|
4-1 |
The resistance value of 25 degrees |
R25 |
25±0.05°C |
9.9 |
10 |
10.1 |
I'm not going to do |
|
4-2 |
B value |
B25/85 |
( 1 1) ln RT1B=T1T 2RT2 |
3400 |
3435 |
3470 |
k |
|
4-3 |
Insulation resistance |
/ |
500VDC |
100 |
/ |
/ |
M.I.A. |
|
4-4 |
The heat time constant |
T |
still air |
/ |
/ |
8~12 |
sec |
|
4-5 |
Thermal dissipation coefficient |
D |
still air |
1.4 |
/ |
/ |
mw/°C |
|
4-6 |
Use the temperature model |
/ |
/ |
-40 |
/ |
180 |
°C |
|
4-7 |
Maximum output workrate |
Ta=25±0.05°C |
/ |
/ |
50 |
mW/℃ |
certification
EUROHSGreen Certification.
Quality Management System Certification ISO9001:2015
Environmental Management System CertificationISO14001:2015
Occupational Health and Safety Management System Certification OHSAS18001:2007
Reliability test
|
Test the |
Test the |
The test method |
Performance |
|
Zero power resistance |
IEC 3950-1 |
Test the |
The error is ±1percent |
|
The thermistor B value |
IEC3840-1 |
Immerse |
The error is ±1percent |
|
NTC FreeFall |
IEC3435-2-32 |
Drop:1.5±0.1m,Surface: |
No obvious damage,R25△R/R≤±1% |
|
Thermistors are insulated |
IEC3270-1 |
The 500V pressure test insulation |
> 500MOhm |
|
Thermistors are pressure resistant |
IEC3375-1 |
Pressure resistance:1500V / AC,leakage current:2mA long |
There was no obvious harm |
|
Thermistor pull |
IEC3470-2-21 |
Finally pull even speed,F>4.0KG(customer requirements). |
No obvious damage,R25△R/R≤±1% |
|
Thermistor vibrates |
Q / HBm 108-94 |
Test frequency:10 to |
No obvious damage,R25△R/R≤±1% |
|
Humidity and heat |
IEC3977-2-78 |
Temperature:40±2C Humidity:92-95%RH Time:1000±24 hours |
No obvious damage,R25△R/R≤±1% |
|
NTC thermal time constant |
EC3450-1 |
Immersion in 25degrees Cwater, thermal balance, immersion in85 degrees C,resistanceof63.2percent, calculated total time |
<10 seconds |
|
NTC high temperature storage |
IEC3380-2-2 |
Temperature:125C± 5CTime: 1000±24 hours |
No obvious damage,R25△R/R≤±1% |
|
NTC cold and hot hit |
IEC4100-2-14 |
-40Cto125CT1:30min Cycle Time:1000 |
No obvious damage,R25△R/R≤±1% |
|
NTC Tap Experiment |
IEC3600-2-77 |
Acceleration:250m / s2 Pulse Duration:6ms Knocks Number of times: 1000 Recovery Time: 2 hours |
No obvious damage,R25△R/R≤±1% |
|
NTC low temperature storage |
IEC-2-1 |
Temperature:-40±2CTime: 1000±24 hours |
No obvious damage,R25△R/R≤±1% |
|
Thermistor salt spray experiment |
IEC60068-2-11 |
Temperature:35±2CCollection time:1.0mL to 2.0mLtime According to the |
No obvious damage,R25△R/R≤±1% |
R-T
|
Model: MF52B-103F3435FB |
R25=10KO±1.0% |
B25/85=3435K±1.0% |
|||
|
T(℃) |
Resistance |
Resistance accuracy (%) |
|||
|
Rmin(KB) |
Rnor(KB) |
Rmax(KB) |
—△R |
△R |
|
|
-40 |
198.534 |
206.706 |
215.193 |
-3.95% |
4.11% |
|
-39 |
187.524 |
195.131 |
203.025 |
-3.90% |
4.05% |
|
-38 |
177.202 |
184.284 |
191.630 |
-3.84% |
3.99% |
|
-37 |
167.519 |
174.115 |
180.953 |
-3.79% |
3.93% |
|
-36 |
158.432 |
164.578 |
170.945 |
-3.73% |
3.87% |
|
-35 |
149.900 |
155.628 |
161.559 |
-3.68% |
3.81% |
|
-34 |
141.887 |
147.226 |
152.752 |
-3.63% |
3.75% |
|
-33 |
134.356 |
139.335 |
144.485 |
-3.57% |
3.70% |
|
-32 |
127.276 |
131.921 |
136.722 |
-3.52% |
3.64% |
|
-31 |
120.617 |
124.951 |
129.428 |
-3.47% |
3.58% |
|
-30 |
114.351 |
118.396 |
122.572 |
-3.42% |
3.53% |
|
-29 |
108.452 |
112.228 |
116.125 |
-3.37% |
3.47% |
|
-28 |
102.897 |
106.423 |
110.060 |
-3.31% |
3.42% |
|
-27 |
97.663 |
100.957 |
104.352 |
-3.26% |
3.36% |
|
-26 |
92.730 |
95.808 |
98.977 |
-3.21% |
3.31% |
|
-25 |
88.079 |
90.955 |
93.915 |
-3.16% |
3.25% |
|
-24 |
83.691 |
86.379 |
89.144 |
-3.11% |
3.20% |
|
-23 |
79.551 |
82.064 |
84.647 |
-3.06% |
3.15% |
|
-22 |
75.642 |
77.992 |
80.406 |
-3.01% |
3.10% |
|
-21 |
71.950 |
74.148 |
76.405 |
-2.96% |
3.04% |
|
-20 |
68.463 |
70.518 |
72.628 |
-2.91% |
2.99% |
|
-19 |
65.163 |
67.086 |
69.058 |
-2.87% |
2.94% |
|
-18 |
62.043 |
63.842 |
65.687 |
-2.82% |
2.89% |
|
-17 |
59.092 |
60.776 |
62.501 |
-2.77% |
2.84% |
|
-16 |
56.300 |
57.876 |
59.490 |
-2.72% |
2.79% |
|
-15 |
53.658 |
55.134 |
56.644 |
-2.68% |
2.74% |
|
-14 |
51.157 |
52.538 |
53.951 |
-2.63% |
2.69% |
|
-13 |
48.788 |
50.081 |
51.404 |
-2.58% |
2.64% |
|
-12 |
46.544 |
47.755 |
48.992 |
-2.54% |
2.59% |
|
-11 |
44.416 |
45.551 |
46.709 |
-2.49% |
2.54% |
|
-10 |
42.400 |
43.462 |
44.546 |
-2.44% |
2.49% |
|
-9 |
40.487 |
41.482 |
42.497 |
-2.40% |
2.45% |
|
-8 |
38.672 |
39.604 |
40.555 |
-2.35% |
2.40% |
|
-7 |
36.950 |
37.823 |
38.713 |
-2.31% |
2.35% |
|
-6 |
35.315 |
36.133 |
36.966 |
-2.26% |
2.31% |
|
-5 |
33.762 |
34.528 |
35.309 |
-2.22% |
2.26% |
|
-4 |
32.287 |
33.005 |
33.736 |
-2.18% |
2.21% |
|
-3 |
30.885 |
31.558 |
32.242 |
-2.13% |
2.17% |
|
-2 |
29.553 |
30.183 |
30.823 |
-2.09% |
2.12% |
|
-1 |
28.286 |
28.876 |
29.476 |
-2.04% |
2.08% |
|
0 |
27.081 |
27.634 |
28.195 |
-2.00% |
2.03% |
|
1 |
25.932 |
26.450 |
26.975 |
-1.96% |
1.99% |
|
2 |
24.839 |
25.324 |
25.816 |
-1.92% |
1.94% |
|
3 |
23.798 |
24.252 |
24.713 |
-1.87% |
1.90% |
|
4 |
22.807 |
23.233 |
23.664 |
-1.83% |
1.86% |
|
5 |
21.864 |
22.262 |
22.665 |
-1.79% |
1.81% |
|
6 |
20.965 |
21.338 |
21.715 |
-1.75% |
1.77% |
|
7 |
20.108 |
20.457 |
20.810 |
-1.71% |
1.73% |
|
8 |
19.292 |
19.618 |
19.949 |
-1.66% |
1.68% |
|
9 |
18.513 |
18.819 |
19.128 |
-1.62% |
1.64% |
|
10 |
17.771 |
18.056 |
18.345 |
-1.58% |
1.60% |
|
11 |
17.062 |
17.329 |
17.599 |
-1.54% |
1.56% |
|
12 |
16.386 |
16.636 |
16.888 |
-1.50% |
1.52% |
|
13 |
15.741 |
15.974 |
16.210 |
-1.46% |
1.47% |
|
14 |
15.124 |
15.343 |
15.563 |
-1.42% |
1.43% |
|
15 |
14.536 |
14.740 |
14.945 |
-1.38% |
1.39% |
|
16 |
13.973 |
14.164 |
14.355 |
-1.34% |
1.35% |
|
17 |
13.436 |
13.614 |
13.792 |
-1.30% |
1.31% |
|
18 |
12.922 |
13.088 |
13.255 |
-1.27% |
1.27% |
|
19 |
12.431 |
12.586 |
12.741 |
-1.23% |
1.23% |
|
20 |
11.962 |
12.106 |
12.250 |
-1.19% |
1.19% |
|
21 |
11.512 |
11.646 |
11.781 |
-1.15% |
1.15% |
|
22 |
11.083 |
11.207 |
11.332 |
-1.11% |
1.12% |
|
23 |
10.671 |
10.787 |
10.903 |
-1.07% |
1.08% |
|
24 |
10.277 |
10.385 |
10.493 |
-1.04% |
1.04% |
|
25 |
9.900 |
10.000 |
10.100 |
-1.00% |
1.00% |
|
26 |
9.532 |
9.631 |
9.731 |
-1.04% |
1.04% |
|
27 |
9.179 |
9.279 |
9.378 |
-1.07% |
1.08% |
|
28 |
8.841 |
8.940 |
9.040 |
-1.11% |
1.11% |
|
29 |
8.518 |
8.617 |
8.716 |
-1.15% |
1.15% |
|
30 |
8.208 |
8.306 |
8.405 |
-1.18% |
1.19% |
|
31 |
7.911 |
8.009 |
8.107 |
-1.22% |
1.22% |
|
32 |
7.626 |
7.723 |
7.821 |
-1.26% |
1.26% |
|
33 |
7.353 |
7.450 |
7.546 |
-1.29% |
1.30% |
|
34 |
7.092 |
7.187 |
7.283 |
-1.33% |
1.33% |
|
35 |
6.841 |
6.935 |
7.030 |
-1.36% |
1.37% |
|
36 |
6.600 |
6.694 |
6.788 |
-1.40% |
1.41% |
|
37 |
6.369 |
6.462 |
6.555 |
-1.43% |
1.44% |
|
38 |
6.148 |
6.239 |
6.331 |
-1.47% |
1.48% |
|
39 |
5.935 |
6.025 |
6.116 |
-1.50% |
1.51% |
|
40 |
5.730 |
5.820 |
5.910 |
-1.53% |
1.55% |
|
41 |
5.534 |
5.622 |
5.711 |
-1.57% |
1.58% |
|
42 |
5.346 |
5.433 |
5.521 |
-1.60% |
1.62% |
|
43 |
5.165 |
5.250 |
5.337 |
-1.64% |
1.65% |
|
44 |
4.991 |
5.075 |
5.161 |
-1.67% |
1.69% |
|
45 |
4.823 |
4.907 |
4.991 |
-1.70% |
1.72% |
|
46 |
4.662 |
4.745 |
4.828 |
-1.74% |
1.76% |
|
47 |
4.508 |
4.589 |
4.671 |
-1.77% |
1.79% |
|
48 |
4.359 |
4.439 |
4.520 |
-1.80% |
1.82% |
|
49 |
4.216 |
4.295 |
4.374 |
-1.83% |
1.86% |
|
50 |
4.078 |
4.156 |
4.234 |
-1.87% |
1.89% |
|
51 |
3.946 |
4.022 |
4.100 |
-1.90% |
1.92% |
|
52 |
3.819 |
3.894 |
3.970 |
-1.93% |
1.96% |
|
53 |
3.696 |
3.770 |
3.845 |
-1.96% |
1.99% |
|
54 |
3.578 |
3.651 |
3.724 |
-1.99% |
2.02% |
|
55 |
3.464 |
3.536 |
3.608 |
-2.02% |
2.06% |
|
56 |
3.355 |
3.425 |
3.496 |
-2.06% |
2.09% |
|
57 |
3.249 |
3.318 |
3.389 |
-2.09% |
2.12% |
|
58 |
3.147 |
3.215 |
3.285 |
-2.12% |
2.15% |
|
59 |
3.049 |
3.116 |
3.184 |
-2.15% |
2.18% |
|
60 |
2.955 |
3.021 |
3.088 |
-2.18% |
2.22% |
|
61 |
2.864 |
2.928 |
2.994 |
-2.21% |
2.25% |
|
62 |
2.776 |
2.839 |
2.904 |
-2.24% |
2.28% |
|
63 |
2.691 |
2.754 |
2.817 |
-2.27% |
2.31% |
|
64 |
2.609 |
2.671 |
2.733 |
-2.30% |
2.34% |
|
65 |
2.531 |
2.591 |
2.652 |
-2.33% |
2.37% |
|
66 |
2.455 |
2.514 |
2.574 |
-2.36% |
2.40% |
|
67 |
2.381 |
2.439 |
2.499 |
-2.39% |
2.44% |
|
68 |
2.310 |
2.367 |
2.426 |
-2.42% |
2.47% |
|
69 |
2.242 |
2.298 |
2.355 |
-2.45% |
2.50% |
|
70 |
2.176 |
2.231 |
2.287 |
-2.47% |
2.53% |
|
71 |
2.112 |
2.166 |
2.221 |
-2.50% |
2.56% |
|
72 |
2.050 |
2.103 |
2.158 |
-2.53% |
2.59% |
|
73 |
1.991 |
2.043 |
2.096 |
-2.56% |
2.62% |
|
74 |
1.933 |
1.984 |
2.037 |
-2.59% |
2.65% |
|
75 |
1.877 |
1.928 |
1.979 |
-2.62% |
2.68% |
|
76 |
1.824 |
1.873 |
1.924 |
-2.64% |
2.71% |
|
77 |
1.772 |
1.820 |
1.870 |
-2.67% |
2.74% |
|
78 |
1.721 |
1.769 |
1.818 |
-2.70% |
2.76% |
|
79 |
1.673 |
1.720 |
1.768 |
-2.73% |
2.79% |
|
80 |
1.626 |
1.672 |
1.719 |
-2.76% |
2.82% |
|
81 |
1.580 |
1.625 |
1.671 |
-2.78% |
2.85% |
|
82 |
1.535 |
1.579 |
1.625 |
-2.81% |
2.88% |
|
83 |
1.492 |
1.535 |
1.580 |
-2.84% |
2.91% |
|
84 |
1.450 |
1.493 |
1.537 |
-2.87% |
2.94% |
|
85 |
1.409 |
1.451 |
1.494 |
-2.89% |
2.97% |
|
86 |
1.370 |
1.411 |
1.454 |
-2.92% |
3.00% |
|
87 |
1.332 |
1.373 |
1.414 |
-2.95% |
3.03% |
|
88 |
1.295 |
1.335 |
1.376 |
-2.97% |
3.05% |
|
89 |
1.260 |
1.299 |
1.339 |
-3.00% |
3.08% |
|
90 |
1.225 |
1.264 |
1.303 |
-3.03% |
3.11% |
|
91 |
1.192 |
1.229 |
1.268 |
-3.05% |
3.14% |
|
92 |
1.160 |
1.196 |
1.234 |
-3.08% |
3.17% |
|
93 |
1.128 |
1.164 |
1.202 |
-3.11% |
3.20% |
|
94 |
1.098 |
1.133 |
1.170 |
-3.13% |
3.22% |
|
95 |
1.068 |
1.103 |
1.139 |
-3.16% |
3.25% |
|
96 |
1.040 |
1.074 |
1.109 |
-3.18% |
3.28% |
|
97 |
1.012 |
1.046 |
1.080 |
-3.21% |
3.31% |
|
98 |
0.985 |
1.018 |
1.052 |
-3.24% |
3.33% |
|
99 |
0.959 |
0.992 |
1.025 |
-3.26% |
3.36% |
|
100 |
0.934 |
0.966 |
0.998 |
-3.29% |
3.39% |
|
101 |
0.909 |
0.941 |
0.973 |
-3.31% |
3.42% |
|
102 |
0.886 |
0.916 |
0.948 |
-3.34% |
3.44% |
|
103 |
0.863 |
0.893 |
0.924 |
-3.36% |
3.47% |
|
104 |
0.840 |
0.870 |
0.900 |
-3.39% |
3.50% |
|
105 |
0.819 |
0.848 |
0.877 |
-3.41% |
3.52% |
|
106 |
0.798 |
0.826 |
0.855 |
-3.44% |
3.55% |
|
107 |
0.777 |
0.805 |
0.834 |
-3.46% |
3.58% |
|
108 |
0.757 |
0.785 |
0.813 |
-3.49% |
3.60% |
|
109 |
0.738 |
0.765 |
0.793 |
-3.51% |
3.63% |
|
110 |
0.719 |
0.746 |
0.773 |
-3.54% |
3.66% |
|
111 |
0.701 |
0.727 |
0.754 |
-3.56% |
3.68% |
|
112 |
0.683 |
0.709 |
0.735 |
-3.59% |
3.71% |
|
113 |
0.666 |
0.691 |
0.717 |
-3.61% |
3.73% |
|
114 |
0.650 |
0.674 |
0.700 |
-3.63% |
3.76% |
|
115 |
0.633 |
0.658 |
0.682 |
-3.66% |
3.79% |
|
116 |
0.618 |
0.641 |
0.666 |
-3.68% |
3.81% |
|
117 |
0.603 |
0.626 |
0.650 |
-3.71% |
3.84% |
|
118 |
0.588 |
0.610 |
0.634 |
-3.73% |
3.86% |
|
119 |
0.573 |
0.596 |
0.619 |
-3.75% |
3.89% |
|
120 |
0.559 |
0.581 |
0.604 |
-3.78% |
3.91% |
|
121 |
0.546 |
0.567 |
0.590 |
-3.80% |
3.94% |
|
122 |
0.532 |
0.554 |
0.575 |
-3.82% |
3.97% |
|
123 |
0.519 |
0.540 |
0.562 |
-3.85% |
3.99% |
|
124 |
0.507 |
0.527 |
0.549 |
-3.87% |
4.02% |
|
125 |
0.495 |
0.515 |
0.536 |
-3.89% |
4.04% |





