inrush current limiting with Nanjing Shiheng Elec MF73T-1 10/8 high power thermistor featuring copper plated leads
Product Overview
The MF73T-1 is a high-power NTC thermistor manufactured by Nanjing Shiheng Electronics Technology Co., Ltd. Designed for surge current suppression, this thermistor offers reliable performance within a wide operating temperature range of -40 to 200. It is constructed with a black epoxy resin body and tin-plated copper leads, ensuring durability and ease of soldering. The MF73T-1 is suitable for various industrial applications requiring effective inrush current limiting.
Product Attributes
- Brand: Shiheng
- Product Name: High-Power NTC Thermistor
- Model Series: MF73T-1
- Body Material: Black Epoxy Resin
- Lead Material: Tin-plated Copper Wire
- Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, RoHS, CQC Safety Certification, Jiangsu High-tech Product Certification, TUV Certification
- Origin: Nanjing, China
Technical Specifications
| Item | Symbol | Test Conditions | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power resistance at 25 | R25 | Ta=250.5, Test power 0.1mW, in air | 1020% | |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 300010% |
| Maximum Steady Current | I max | - | A | 8 |
| Maximum Allowable Capacitance | CT | 240Vac | F | 1000 |
| Dissipation Factor | - | mW/ | Approx. 28 | |
| Thermal Time Constant | - | sec | Approx. 110 | |
| Withstand Voltage | - | 500V/AC, 1min | - | No breakdown or arcing |
| Insulation Resistance | - | 500V/DC, 1min | M | 500 |
| Operating Temperature Range | - | - | -40 ~ 200 | |
| Maximum Rated Power | Pmax | - | W | 5 |
| Model: MF73T-1-10/8 | R25: 10 | I max: 8A | - | - |
External Dimensions (Unit: mm)
| D | L | F | T | d |
|---|---|---|---|---|
| Max 22.5 | Min 25 | 10.01 | Max 7.0 | 1.00.05 |
Usage Precautions
- Purpose: Surge current suppression.
- Soldering: When using a soldering iron, maintain a distance of at least 2mm from the coating layer. Soldering temperature should be below 360, and soldering time less than 3 seconds.
- Storage Temperature: -10 to 40.
- Storage Humidity: 75% RH.
- Storage Environment: Avoid storage in environments with corrosive gases or direct sunlight.
- Packaging: Reseal packaging after opening for storage.
- Shelf Life: 1 year.
Product Model Description
- MF73T-1: High-power type NTC thermistor.
- 10: Zero-power resistance at 25 is 10.
- 8: Maximum steady current is 8A.
Company 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
Website: Http://www.shiheng.com.cn
Email: sales@shiheng.com.cn
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