Temperature control Nanjing Shiheng Elec MF58 103J3950 glass encapsulated NTC thermistor for sensing
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Product Description
Product Overview
The MF58 series glass-encapsulated temperature-measuring NTC thermistor from Nanjing Shiheng Electronics Technology Co., Ltd. is designed for accurate temperature measurement and control. It features a glass housing for enhanced durability and reliability. This NTC thermistor is suitable for a wide range of applications requiring precise temperature sensing.
Product Attributes
- Brand: Shiheng ()
- Origin: China
- Product Type: Glass-encapsulated temperature-measuring NTC thermistor
- Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, ROHS, CQC, Jiangsu High-tech Product
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 (25/50) | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb), Tb=500.05 | K | 39501% |
| Dissipation factor | Still air | mW/ | 2 | |
| Time constant | Still air | sec | 20 | |
| Withstand Voltage | / | / | / | 1500V/AC, 1min, no breakdown or arcing |
| Insulation Resistance | / | 500V/DC, 1min | M | 500 |
| Operating Temperature Range | / | / | -55~250 | |
| Max. Rated Power | Pmax | / | mW | 50 |
| Lead Strength | / | Pull force: 101 N, Time: 101 sec | / | No visible damage, R25 R/R2% |
| Solderability | / | Temperature 2455, Time 2-3 sec | / | Tinning area 95% |
| Resistance to Soldering Heat | / | Tin pot temperature: 2605, Immersion depth 6mm from resistor body, Time 51 sec | / | R25 R/R2% |
| Steady State Damp Heat | / | Temperature: 402, Humidity: 932%, Time: 500 hours | / | R25 R/R2% |
| Thermal Shock | / | -55 30min 25 5min 250 30min 25 5min, repeated 5 times | / | R25 R/R2% |
| High Temperature Storage | / | Temperature: 2505, Time: 1000 hours | / | R25 R/R2% |
| Low Temperature Storage | / | Temperature: -555, Time: 1000 hours | / | R25 R/R2% |
Product Model Explanation
MF58-103J3950
- MF58: Glass-encapsulated temperature-measuring NTC thermistor
- 103: Zero-power resistance at 25 is 10K
- J: Resistance tolerance code (J indicates 5%)
- 3950: B25/50 value is 3950K
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 glass shell. Soldering temperature should be below 360, and soldering time less than 3 seconds.
- If leads are bent, the bending point should be more than 2mm away from the glass shell to prevent damage.
- Storage Temperature: -10 to 40.
- Storage Humidity: 75% RH.
- Avoid storage in environments with corrosive gases or direct sunlight.
- Reseal packaging after opening.
Dimensions
(Unit: mm)
| No. | Name | Material/Specification | Quantity | Remarks |
|---|---|---|---|---|
| 1 | Component | NTC Thermistor | 1 | / |
| 2 | Housing | Glass | 1 | / |
| 3 | Lead Wire | Tin-plated steel wire 0.50.05 | 2 | / |
Contact Information:
Nanjing Shiheng Electronics Technology Co., Ltd.
Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing City, China
Tel: 025-52121868
Fax: 025-52122373
Email: sales@shiheng.com.cn
Website: Http://www.shiheng.com.cn
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