Product Overview
The MF52 Series Thermistor from Nanjing Shiheng Electronics is a temperature-sensing NTC thermistor designed for temperature measurement and control applications. It features a 10K resistance at 25 with a B value of 3950K and 1% resistance tolerance. The thermistor operates within a wide temperature range of -55 to 125 and has a maximum rated power of 50mW. It is constructed with a modified resin encapsulation and tinned copper-clad steel leads, offering good mechanical strength and solderability. This product is suitable for various industrial and electronic applications requiring accurate temperature monitoring.
Product Attributes
- Brand: Shiheng
- Origin: Nanjing, China
- Product Type: Temperature Sensing NTC Thermistor
- Series: MF52
- Encapsulation Material: Modified Resin
- Lead Material: Tinned Copper-Clad Steel
- Lead Color: Silver
- Encapsulation Color: Black
- Certifications: ISO9001:2015, ISO/TS16949:2009, ISO14001:2015, AECQ-200, RoHS, CQC, UL 1434 (File # E240991), Jiangsu Province High-Tech Product
Technical Specifications
| Item | Symbol | Test Condition | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power resistance at 25 | R25 | Ta=250.01, Test Power 0.1mW | K | 10K1% |
| B Value (25/50) | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb), Tb=500.01 | K | 39501% |
| Dissipation Constant | In still air | mW/ | 2 | |
| Time Constant | In still air | sec | 7 | |
| Insulation Resistance | / | 100V/DC, 1min | M | 100 |
| Operating Temperature Range | / | / | -55125 | |
| Maximum Rated Power | Pmax | / | mW | 50 |
| Lead Strength | / | Pull: 51 N, Time: 101 sec | / | No visible damage, R25 R/R2% |
| Solderability | / | Temperature 2455, Time: 2-3 sec | / | Tinning Area 95% |
| Resistance to Soldering Heat | / | Pot temperature: 2605, Immersion depth 6mm from body, Time: 51 sec | / | R25 R/R2% |
| Steady State Damp Heat | / | Temperature: 402, Humidity: 932%, Time: 500 hours | / | R25 R/R2% |
| Rapid Change of Temperature | / | -55 30min 25 5min 125 30min 25 5min, 5 cycles | / | R25 R/R2% |
| High Temperature Storage | / | Temperature: 1255, Time: 1000 hours | / | R25 R/R2% |
| Low Temperature Storage | / | Temperature: -55, Time: 1000 hours | / | R25 R/R2% |
Dimensions
(Dimensions are provided in the attached table, not detailed here)
Product Model Explanation
MF52 A 103 F 3950 A1
- MF52: Precision NTC Thermistor
- A: Leads are tinned copper-clad steel wires
- 103: Zero-power resistance at 25 is 10K
- F: Resistance Tolerance Code (F-1%, G-2%, H-3%, J-5%)
- 3950: B25/50 Value is 3950K
- A1: Small head
Usage Precautions
- Application: Temperature measurement and control.
- Measurement Error: Avoid current flowing through the thermistor chip causing self-heating and measurement errors.
- Soldering: When soldering with a soldering iron, maintain a distance of at least 2mm 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.
- Environment: Avoid storage in environments with corrosive gases or direct sunlight.
- Packaging: Reseal packaging after opening.
2304140030_Nanjing-Shiheng-Elec-MF52A103F3950--A1_C13879.pdf
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