Glass Encapsulated Temperature Sensor Nanjing Shiheng Elec MF58 502H3470 NTC Thermistor for Accurate Control
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Product Description
Product Overview
The MF58 series from Nanjing Shiheng Electronics Technology Co., Ltd. are glass-encapsulated, temperature-sensing NTC thermistors. Designed for precise temperature measurement and control, these thermistors offer reliable performance across a wide operating temperature range. They are suitable for various industrial and electronic applications requiring accurate temperature monitoring.
Product Attributes
- Brand: Shiheng ()
- Product Type: Glass Encapsulated Temperature Sensing NTC Thermistor
- Series: MF58
- Origin: China
- Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, 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=250.05, Test Power 0.1mW | K | 5K3% |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb), Tb=500.05 | K | 34701% |
| 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 | |
| Maximum Rated Power | Pmax | / | mW | 50 |
| Lead Strength | / | Pulling 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% |
| Rapid Change of Temperature | / | -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% |
Model Description: MF58 502 H 3470
- MF58: Glass-encapsulated temperature sensing NTC thermistor
- 502: Zero-power resistance at 25 is 5K
- H: Resistance tolerance code (F-1%, G-2%, H-3%, J-5%)
- 3470: B25/50 value is 3470K
Usage Precautions:
- Purpose: Temperature measurement and control.
- Avoid current flow that causes self-heating and measurement errors.
- When soldering with a soldering iron, the welding point should be at least 2mm away from the glass bulb. Soldering temperature should be below 360, and soldering time should be less than 3 seconds.
- If the lead wire is bent, the bending point should be more than 2mm away from the glass bulb to prevent damage.
- Storage Temperature: -10 ~ 40.
- Storage Humidity: 75% RH.
- Avoid storage in environments with corrosive gases and direct sunlight.
- Reseal packaging after opening.
External Dimensions (Unit: mm):
| No. | Name | Material Specification | Quantity | Remark |
|---|---|---|---|---|
| 1 | Component | NTC Thermistor | 1 | / |
| 2 | Housing | Glass | 1 | / |
| 3 | Lead Wire | 0.50.05 Tinned steel wire | 2 | / |
Contact Information:
- Tel: 025-52121868
- Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing, China
- Fax: 025-52122373
- Email: sales@shiheng.com.cn
- Zip Code: 211121
- Website: Http://www.shiheng.com.cn
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