Temperature Sensor with Tinned Copper Leads Nanjing Shiheng Elec MF11 502K Compensated NTC Thermistor
Product Overview
The MF11 series of compensated NTC thermistors, manufactured by Nanjing Shiheng Electronics Technology Co., Ltd., are designed for temperature measurement and control applications. These components feature a 5K resistance at 25 with a B value of 3950K, ensuring accurate thermal sensing. The thermistors are constructed with an epoxy resin encapsulation and tinned copper-clad steel leads, offering a wide operating temperature range from -30 to 125. They are suitable for various industrial and electronic applications requiring precise temperature monitoring.
Product Attributes
- Brand: Shiheng
- Product Name: Compensated NTC Thermistor
- Model Series: MF11
- Encapsulation Material: Epoxy Resin
- Lead Material: Tinned Copper-Clad Steel Wire
- Body Color: Green
- Marking Color: Black
- Origin: Nanjing, China
- Certifications: ISO9001:2008, ISO14001:2004, ROSH, CQC, UL (E240991), TUV (R50245892)
Technical Specifications
General Electrical Performance:
| Item | Symbol | Test Condition | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power resistance at 25 | R25 | Ta=250.1, Test Power 0.1mW | K | 5K10% |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 395010% |
| 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 | |
| Max. Rated Power | Pmax | / | mW | 450 |
Reliability Tests:
| Item | Test Condition & Method | Technical Requirement |
|---|---|---|
| Lead Strength | Tensile Force: Wire Diameter (mm) 0.35<d0.5: 5N; 0.5<d0.8: 10N. Time: 101 sec. No visible damage. | R25 R/R 3% |
| Solderability | Temperature 2455, Time 2-3 sec. | Tinning Area 95% |
| Resistance to Soldering Heat | Solder Pot Temperature: 2605, Immersion Depth 6mm from body, Time 51 sec. | R25 R/R 3% |
| Steady State Damp Heat | Temperature: 402, Humidity: 932%, Time: 500 hours. | R25 R/R 3% |
| Temperature Cycling | -30 30min 25 5min 125 30min 25 5min, 5 cycles. | R25 R/R 3% |
| High Temperature Storage | Temperature: 1255, Time: 1000 hours. | R25 R/R 5% |
| Low Temperature Storage | Temperature: -305, Time: 1000 hours. | R25 R/R 5% |
Product Model Description:
MF11 502 K
- MF11: Compensated NTC Thermistor
- 502: Zero-power resistance at 25 is 5K
- K: Resistance Tolerance Code (J-5%, K-10%, M-20%)
Usage Precautions:
- Product Application: Temperature measurement and control.
- Soldering: Distance from coating 2mm, Temperature < 360, Time < 3 sec.
- Storage Temperature: -10 ~ 40.
- Storage Humidity: 75% RH.
- Environment: Avoid storage in environments with corrosive gases and direct light.
- Packaging: Reseal after opening.
Contact Information:
Nanjing Shiheng Electronics Technology Co., Ltd.
Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing, China
Postal Code: 211121
TEL: 025-52121868
FAX: 025-52122373
Http: //www.shiheng.com.cn
E-MAIL: sales@shiheng.com.cn
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