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Specifications
Resistance @ 25℃:
470kΩ
Power(Watts):
450mW
Pitch:
2.5mm
Operating Temperature:
-30℃~+125℃
Tolerance:
±20%
B Constant (25℃/100℃):
-
Steady State Current (Max):
-
Thermal Time Constant:
20s
B Constant (25℃/85℃):
-
B Constant (25℃/75℃):
-
B Constant (25℃/50℃):
4750K
B Constant Tolerance:
±10%
Mfr. Part #:
MF11 474M
Package:
Through Hole,P=2.5mm
Key Attributes
Model Number:
MF11 474M
Product Description
Product Overview
The MF11 series is a compensated NTC thermistor manufactured by Nanjing Shiheng Electronics Co., Ltd. Designed for temperature measurement and control, these thermistors offer reliable performance within a wide operating temperature range of -30C to 125C. The product is suitable for various industrial applications requiring accurate temperature sensing and compensation.
Product Attributes
- Brand: Shiheng
- Origin: Nanjing, China
- Product Type: Compensated NTC Thermistor
- Part Name: MF11
- Encapsulation Material: Epoxy Resin
- Lead Material: Tinned Copper Clad Steel Wire
- Body Color: Green
- Marking Color: Black
- Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, ROSH, CQC, UL (E240991), TUV (R50245892)
Technical Specifications
| Item | Symbol | Test Conditions | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power resistance at 25 | R25 | Ta=250.1, Test Power 0.1mW | K | 470K20% |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 475010% |
| Dissipation Factor | Still air | mW/ | Approx. 4.5 | |
| Time Constant | Still air | sec | Approx. 20 | |
| Insulation Resistance | / | 1000V/DC, 1min | M | 500 |
| Operating Temperature Range | / | / | -30 ~ 125 | |
| Max. Rated Power | Pmax | / | mW | 450 |
| Lead Strength (Tensile Force) | / | 0.35| / | No visible damage, R25 R/R3% | |
| Solderability | / | Temperature 2455, Duration 2-3 sec | / | Tinning coverage 95% |
| Resistance to Soldering Heat | / | Solder pot temperature: 2605, Immersion depth 6mm from body, Duration 51 sec | / | R25 R/R3% |
| Steady State Damp Heat | / | Temperature: 402, Humidity: 932%, Duration: 500 hours | / | R25 R/R3% |
| Temperature Rapid Change | / | -30 30min25 5min125 30min25 5min, Repeated 5 times | / | R25 R/R3% |
| High Temperature Storage | / | Temperature: 1255, Duration: 1000 hours | / | R25 R/R5% |
| Low Temperature Storage | / | Temperature: -305, Duration: 1000 hours | / | R25 R/R5% |
Product Model Description
MF11 474 M
- MF11: Compensated NTC Thermistor
- 474: Zero-power resistance at 25 is 470K
- M: Resistance Tolerance Code (J-5%, K-10%, M-20%)
Usage Precautions
- Application: Temperature measurement and control.
- Soldering: Distance from coating layer 2mm, temperature < 360, duration < 3 seconds.
- Storage Temperature: -10 ~ 40
- Storage Humidity: 75% RH
- Environment: Avoid storage in environments with corrosive gases and direct sunlight.
- Packaging: Reseal after opening.
Contact Information
Nanjing Shiheng Electronics Co., Ltd.
- Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing, 211121, China
- Tel: 025-52121868
- Fax: 025-52122373
- Email: sales@shiheng.com.cn
- Website: Http://www.shiheng.com.cn
1810161320_Nanjing-Shiheng-Elec-MF11-474M_C123367.pdf
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