The MF11 series Compensating NTC Thermistors from Nanjing Shiheng Electronics Technology Co., Ltd. are designed for temperature measurement and control applications. These thermistors offer precise resistance values and stable performance across a wide operating temperature range. They are suitable for various industrial uses requiring accurate temperature sensing and regulation.
| Item | Symbol | Test Condition | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power Resistance at 25 | R25 | Ta=250.1, Test Power 0.1mW | K | 100K5% |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 440010% |
| Dissipation Factor | In still air | mW/ | Approx. 4.5 | |
| Time Constant | In still air | sec | Approx. 20 | |
| Insulation Resistance | / | 1000V/DC, 1min | M | 500 |
| Operating Temperature Range | / | / | -30 ~ 125 | |
| Maximum Rated Power | Pmax | / | mW | 450 |
| Item | Test Condition | Technical Requirement |
|---|---|---|
| Lead Strength | Tensile Force: 0.35 | No visible damage R25 R/R3% |
| Solderability | Temperature 2455, Time 2-3 sec | Tinning Area 95% |
| Resistance to Soldering Heat | Solder pot temperature: 2605, Immersion depth 6mm from the resistor body, Time 51 sec | R25 R/R3% |
| Steady State Damp Heat | Temperature: 402, Humidity: 932%, Time: 500 hours | R25 R/R3% |
| Temperature Rapid Change | -30 30min 25 5min 125 30min 25 5min, Repeated 5 times | R25 R/R3% |
| High Temperature Storage | Temperature: 1255, Time: 1000 hours | R25 R/R5% |
| Low Temperature Storage | Temperature: -305, Time: 1000 hours | R25 R/R5% |
(Dimensions not provided in the source text, refer to product datasheet for details)
MF11-104J
Nanjing Shiheng Electronics Technology Co., Ltd.