Product Overview
The MF11 series of compensated NTC thermistors, manufactured by Nanjing Shiheng Electronics Co., Ltd., are designed for temperature measurement and control applications. These thermistors offer precise resistance values at 25 and a specified B value, ensuring reliable performance across a wide operating temperature range of -30 to 125. They are suitable for various industrial applications requiring accurate temperature sensing and regulation.
Product Attributes
- Brand: Shiheng
- Product Name: Compensated NTC Thermistor
- Model Series: MF11
- Origin: Nanjing, China
- Encapsulation Material: Epoxy Resin
- Lead Wire Material: Tinned Copper Clad Steel Wire
- Body Color: Green
- Marking Color: Black
- Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, ROSH, CQC, UL (E240991), TUV (R50245892)
Technical Specifications
| Item | Symbol | Test Condition | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power Resistance at 25 | R25 | Ta=250.1, Test Power 0.1mW | K | 10K 10% |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 4050 10% |
| 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 |
| Lead Strength (Tensile) | / | 0.35| N | 5 (No visible damage, R/R3%) | |
| Lead Strength (Tensile) | / | 0.5| N | 10 (No visible damage, R/R3%) | |
| Solderability | / | 2455, 2-3 sec | % | 95% tinned area |
| Resistance to Soldering Heat | / | 2605, 6mm from body, 51 sec | % | R/R3% |
| Steady State Damp Heat | / | 402, 932% RH, 500 hours | % | R/R3% |
| Temperature Cycling | / | -30(30min)25(5min)125(30min)25(5min), 5 cycles | % | R/R3% |
| High Temperature Storage | / | 1255, 1000 hours | % | R/R5% |
| Low Temperature Storage | / | -305, 1000 hours | % | R/R5% |
Product Model Explanation
MF11: Compensated NTC Thermistor
103: Zero-power resistance at 25 is 10K
K: Resistance Tolerance Code (J-5%, K-10%, M-20%)
Usage Precautions
- Intended Use: Temperature measurement and control.
- Soldering: When using a soldering iron, maintain a distance of at least 2mm from the coating layer. Soldering temperature should be below 360, with a soldering time less than 3 seconds.
- Storage Conditions: Storage temperature: -10 to 40; Storage humidity: 75% RH.
- Environmental Avoidance: Avoid storage in environments with corrosive gases and direct light.
- Packaging: After opening the package, reseal for storage.
Dimensions
(Unit: mm) - Dimensions not provided in the source text.
Manufacturer Information
Nanjing Shiheng Electronics Co., Ltd.
Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing City, 211121, China
Tel: 025-52121868
Fax: 025-52122373
Email: sales@shiheng.com.cn
Website: Http://www.shiheng.com.cn
1810161311_Nanjing-Shiheng-Elec-MF11-103K_C123357.pdf
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