Yantai Rongfan Electronic Technology Co., Ltd
Yantai Rongfan Electronic Technology Co., Ltd
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MF58-103F3950
Applications
◎Air-Conditioner.Heating Apparatus
◎Electric Thermometer
◎ Liquid leve sensor
◎Automoblie electronic Electric table-board
Characteristic
◎ Small size
◎ High testing precision
◎ Fast response
◎ Good quality ofcoherence and interchange
◎ It can be used in such worse environment as high temperature and humdity etc.
Dimensions(mm)
Technical requirements:
| No. | Item | Symbol | Test conditions | Unit | Requirements |
| 1 | Zero Power Resistance at 25℃ | R25℃ | Ta=25±0.01℃ Test Power≤0.1mW | KΩ | 10KΩ±1% |
| 2 | B-value | B25/50 | B=[(Ta×Tb)/(Tb-Ta)]×1n(Ra/Rb) Ta=25±0.01℃ Tb=50℃±0.01℃ | K | 3950±1% |
| 3 | Thermal dissipation Coefficient | δ | In still air | mW/ ℃ | ≥2 |
| 4 | Thermal time constant | τ | In still air | sec | ≤20 |
| 5 | withstand voltage | / | 1500V/AC 1min | No breakthrough and flash over | |
| 6 | Insulation resistance | / | 500V/DC 1min | MO | ≥500 |
| 7 | Operating temperature range | / | / | ℃ | -55℃~250℃ |
| 8 | Maximum rated power | Pmax | / | mW | 50 |
| 9 | R&T-table | / | / | / | |
| 10 | Resistance tolerance&B-value tolerance | / | / | / |