Product Overview
The MF52 series from Nanjing Shiheng Electronics Technology Co., Ltd. are bead-type NTC thermistors designed for temperature measurement and control. These components feature a compact bead construction with tinned copper-clad steel leads, making them suitable for various applications requiring accurate temperature sensing. They are manufactured with a modified resin encapsulation, available in black, and are designed to operate within a wide temperature range of -55 to 125.
Product Attributes
- Brand: Shiheng ()
- Origin: China (18)
- Product Type: Bead-type NTC Thermistor
- Encapsulation Material: Modified Resin
- Encapsulation Color: Black
- Lead Material: Tinned Copper-Clad Steel
- Lead Color: Silver
- Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, ROHS, CQC, Jiangsu High-tech Product, UL 1434 (File # E240991)
Technical Specifications
| Item | Symbol | Test Condition | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power resistance at 25 | R25 | Ta=250.05, Test Power 0.1mW | K | 10K5% |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb), Tb=500.01 | K | 34701% |
| Dissipation Factor | Still air | mW/ | 2 | |
| Time Constant | Still air | sec | 7 | |
| Insulation Resistance | / | 100V/DC, 1min | M | 100 |
| Operating Temperature Range | / | / | -55125 | |
| Maximum Rated Power | Pmax | / | mW | 50 |
| Resistance-Temperature Characteristics | / | / | / | See Appendix 1 |
| Resistance Tolerance | / | / | / | See Appendix 2 |
| Lead Strength | R25 | Fix resistor end, Tension: 51 N, Time: 101 sec | / | No visible damage, R/R2% |
| Solderability | / | Temperature 2455, Time 2-3 sec | / | Tinning area 95% |
| Resistance to Soldering Heat | R25 | Solder pot temperature: 2605, Immersion depth 6mm from resistor body, Time 51 sec | / | R/R2% |
| Steady State Damp Heat | R25 | Temperature: 402, Humidity: 932%, Time: 500 hours | / | R/R2% |
| Temperature Cycling | R25 | -55 30min 25 5min 125 30min 25 5min, 5 cycles | / | R/R2% |
| High Temperature Storage | R25 | Temperature: 1255, Time: 1000 hours | / | R/R2% |
| Low Temperature Storage | R25 | Temperature: -55, Time: 1000 hours | / | R/R2% |
Product Model Description: MF52 A 103 J 3470 A1
- MF52: Bead-type precision NTC thermistor
- A1: Lead type (Tinned copper-clad steel wire)
- 103: Zero-power resistance at 25 (10K)
- J: Resistance tolerance code (J-5%)
- 3470: B25/50 value (3470K)
- A1: Small head
Usage Precautions:
- Application: Temperature measurement and control.
- Avoid current flowing through the thermistor chip causing self-heating and measurement errors.
- When soldering with an iron, the soldering point should be at least 2mm away from the coating layer. Soldering temperature should be below 300, and soldering time less than 3 seconds.
- Storage Temperature: -10 to 40.
- Storage Humidity: 75% RH.
- Avoid storage in environments with corrosive gases or direct sunlight.
- Reseal packaging after opening.
Contact Information:
- Phone: 025-52121868
- Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing City, China
- Fax: 025-52122373
- Email: sales@shiheng.com.cn
- Postal Code: 211121
- Website: Http://www.shiheng.com.cn
1810161324_Nanjing-Shiheng-Elec-MF52A103J3470--A1_C123376.pdf
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible