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Specifications
Resistance @ 25℃:
20kΩ
Power(Watts):
450mW
Pitch:
2.5mm
Operating Temperature:
-30℃~+125℃
Tolerance:
±5%
B Constant (25℃/100℃):
-
Steady State Current (Max):
-
Thermal Time Constant:
20s
B Constant (25℃/85℃):
-
B Constant (25℃/75℃):
-
B Constant (25℃/50℃):
4250K
B Constant Tolerance:
±10%
Mfr. Part #:
MF11 203J
Package:
Through Hole,P=2.5mm
Key Attributes
Model Number:
MF11 203J
Product Description
Product Overview
The MF11 series of compensated NTC thermistors from Nanjing Shiheng Electronics Technology Co., Ltd. are designed for temperature measurement and control applications. These thermistors offer precise resistance values and temperature coefficients, making them suitable for various industrial uses. They are manufactured with high-quality materials and undergo rigorous testing to ensure reliability and performance.
Product Attributes
- Brand: Shiheng
- Product Name: Compensated NTC Thermistor
- Model Series: MF11
- Origin: Nanjing, China
- Encapsulation Material: Epoxy Resin
- Lead Wire Material: Tinned Copper Clad Steel Wire
- Body Color: Green
- Marking Color: Black
- Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, ROHS, CQC, TUV
Technical Specifications
| Item | Symbol | Test Condition | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power resistance at 25 | R25 | Ta=250.1, Test Power 0.1mW | K | 20K5% |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 425010% |
| Dissipation Factor | In still air | mW/ | Approx. 4.5 | |
| Time Constant | In 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 (d0.5mm) | / | Pull: 5N, Time: 101 sec | / | No visible damage, R/R 3% |
Lead Strength (0.5| / | Pull: 10N, Time: 101 sec | / | No visible damage, R/R 3% | |
| 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 | / | R/R 3% |
| Steady State Damp Heat | / | Temperature: 402, Humidity: 932%, Time: 500 hours | / | R/R 3% |
| Temperature Cycling | / | -30 30min 25 5min 125 30min 25 5min, 5 cycles | / | R/R 3% |
| High Temperature Storage | / | Temperature: 1255, Time: 1000 hours | / | R/R 5% |
| Low Temperature Storage | / | Temperature: -305, Time: 1000 hours | / | R/R 5% |
Product Usage & Notes
- Primary Use: Temperature measurement and control.
- Soldering Iron Welding: Keep at least 2mm from the coating layer. Welding temperature should be below 360, with a welding time less than 3 seconds.
- Storage Temperature: -10 to 40.
- Storage Humidity: 75% RH.
- Storage Environment: Avoid storing in environments with corrosive gases and direct light.
- Packaging: Reseal and store after opening the package.
- Application Change: Contact manufacturer if usage or application method changes.
Product Model Explanation
MF11-203J
- MF11: Compensated NTC Thermistor series.
- 203: Zero-power resistance at 25 is 20K.
- J: Resistance tolerance code (J=5%, K=10%, M=20%).
Manufacturer Information
Nanjing Shiheng Electronics Technology Co., Ltd.
- Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing City, 211121, China
- Tel: 025-52121868
- Fax: 025-52122373
- E-MAIL: sales@shiheng.com.cn
- Website: http://www.shiheng.com.cn
1810161320_Nanjing-Shiheng-Elec-MF11-203J_C123361.pdf
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