Product Overview
The Nanjing Shiheng Electronics Technology Co., Ltd. MF55 Thin Film NTC Thermistor is designed for temperature measurement and control applications. It offers precise resistance values and B-values, with a wide operating temperature range of -40 to 125. This component is suitable for applications where accurate temperature sensing is critical, avoiding excessive current to prevent self-heating and measurement errors. It meets stringent reliability standards and is manufactured under ISO9001:2015 and IATF16949:2016 quality management systems.
Product Attributes
- Brand: Nanjing Shiheng Electronics Technology Co., Ltd.
- Product Type: Thin Film NTC Thermistor
- Origin: China
- Certifications: ISO9001:2015, IATF16949:2016 (Quality Management Systems), ISO14001:2015 (Environmental Management System)
Technical Specifications
| Item | Symbol | Test Condition | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power resistance at 25 | R25 | T=250.01, Test Power 0.1mw | K | 100K1% |
| B Value | B25/50 | Ta=250.01, Tb=500.01 | K | 39501% |
| Dissipation Factor | Still air | mW/ | 0.8 | |
| Time Constant | Still air | sec | 5 | |
| Operating Temperature Range | / | / | -40 ~ 125 | |
| Maximum Rated Power | Pmax | / | mW | 50 |
| Lead Pull Test | / | Fix thermistor probe, gradually pull lead with 1 Newton force, maintain for (101) seconds | / | No appearance damage |
| Solderability Test | / | Soldering temperature (24510), immersion time: (31) s | / | 95% tin-plated area |
| Soldering Heat Resistance Test | / | Soldering temperature (2605), immersion time: (51)s | / | R25 R/R 2% |
| High Temperature Storage Test | / | 1255, 100024 hours | / | R25 R/R 3% |
| Low Temperature Storage Test | / | -405, 100024 hours | / | R25 R/R 3% |
| Steady State Damp Heat Test | / | 402, 90-95% RH, 240 hours | / | R25 R/R 3% |
| Temperature Rapid Change Test | / | Temperature cycles according to table below (5 cycles) | / | R25 R/R 3% |
| Product Model: MF55 104F3950 | Marking Explanation: 104: Zero-power resistance at 25 is 100K; 3950: B25/50 value is 3950K | / | / | / |
Usage Precautions
- Product Use: Temperature measurement and control.
- Current Handling: Avoid excessive current that may cause self-heating and measurement errors.
- Soldering: For iron soldering, maintain a distance of at least 2mm from the film. Soldering temperature should be below 360, with a soldering time less than 3 seconds.
- Storage Conditions: Storage temperature: -1040; Storage humidity: 75% RH.
- Environment: Avoid storage in environments with corrosive gases or direct sunlight.
- Shelf Life: After opening the package, reseal for storage. Shelf life is 1 year. Products exceeding the shelf life may be re-inspected according to the standard and can be used if they meet the requirements.
- Heat Shrink Tubing: If using heat shrink tubing during processing, do not use a hot air gun for shrinking. Recommended method: Place the product with the heat shrink tubing into a constant temperature oven at 110 for 10-12 minutes for heat shrinking.
Dimensions
(Dimensions are provided in the original document as a table and an image, not included here due to text-only format constraints. Refer to the original document for visual representation.)
Product Marking
Model: MF55 104F3950
Marking Explanation:
- 104: Zero-power resistance at 25 is 100K
- 3950: B25/50 value is 3950K
Appendices
Appendix 1: Resistance-Temperature Characteristics
(Detailed table of temperature vs. resistance values and tolerances is provided in the original document. Key parameters: R25=100K, Tolerance: 1%, B25/50=3950K, Tolerance: 1% (P182-6B2). Refer to the original document for the full table.)
Appendix 2: Resistance Tolerance Curve Diagram
(Diagrammatic representation of resistance tolerance is provided in the original document. Refer to the original document for the diagram.)
Contact Information
Company: Nanjing Shiheng Electronics Technology Co., Ltd.
Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing City, China
Postal Code: 211121
Tel: 025-52121868
Fax: 025-52122373
E-mail: sales@shiheng.com.cn
Website: Http://www.shiheng.com.cn
1912111437_Nanjing-Shiheng-Elec-MF55-104F3950_C394028.pdf
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