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Specifications
Resistance @ 25℃:
5kΩ
Power(Watts):
450mW
Pitch:
2.5mm
Operating Temperature:
-30℃~+125℃
Tolerance:
±17%
B Constant (25℃/100℃):
-
Steady State Current (Max):
-
Thermal Time Constant:
20s
B Constant (25℃/85℃):
-
B Constant (25℃/75℃):
-
B Constant (25℃/50℃):
3950K
B Constant Tolerance:
±10%
Mfr. Part #:
MF11 502M
Package:
Through Hole,P=2.5mm
Key Attributes
Model Number:
MF11 502M
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 at 25 and a specified B value, ensuring reliable performance across a wide operating temperature range of -30 to 125. They are manufactured with high-quality materials and undergo rigorous testing to meet demanding reliability standards.
Product Attributes
- Brand: Shiheng
- Product Name: Compensated NTC Thermistor
- Series: MF11
- Origin: Nanjing, China
- Encapsulation Material: Epoxy Resin
- Lead Material: Tin-plated Copper Clad Steel Wire
- Body Color: Green
- Marking Color: Black
- Certifications: ISO9001:2008, ISO14001:2004, ROSH, CQC, UL (E240991), TUV (R50245892)
Technical Specifications
| Item | Symbol | Test Condition | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power resistance at 25 | R25 | Ta=250.1, Test Power 0.1mW | K | 5K17% |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 395010% |
| 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 (Pull Force) | / | 0.35| / | No visible damage, R25 R/R3% | |
| Solderability | / | Temperature 2455, Time 2-3 sec | / | Wetting Area 95% |
| Resistance to Soldering Heat | / | Solder pot temp: 2605, Immersion depth 6mm from resistor body, Time 51 sec | / | R25 R/R3% |
| Steady State Damp Heat | / | Temperature: 402, Humidity: 932%, Time: 500 hours | / | R25 R/R3% |
| Temperature Cycling | / | -30 30min25 5min125 30min25 5min, Repeated 5 times | / | R25 R/R3% |
| High Temperature Storage | / | Temperature: 1255, Time: 1000 hours | / | R25 R/R5% |
| Low Temperature Storage | / | Temperature: -305, Time: 1000 hours | / | R25 R/R5% |
Product Model Explanation
MF11 502 M
- MF11: Compensated NTC Thermistor
- 502: Zero-power resistance at 25 is 5K
- M: Resistance Tolerance Code (J-5%, K-10%, M-20%)
Usage Precautions
- Intended Use: Temperature measurement and control.
- Soldering: When soldering with a soldering iron, maintain a distance of at least 2mm from the coating layer. Soldering temperature should be below 360, and soldering time should be less than 3 seconds.
- Storage Temperature: -10 to 40.
- Storage Humidity: 75% RH.
- Environment: Avoid storage in environments with corrosive gases and direct sunlight.
- Packaging: After opening the package, re-seal for storage.
Dimensions
(Unit: mm)
Dimensions are not explicitly provided in a structured format.
Contact Information
Nanjing Shiheng Electronics Technology Co., Ltd.
- Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing City, China
- Postal Code: 211121
- Tel: 025-52121868
- Fax: 025-52122373
- Email: sales@shiheng.com.cn
- Website: Http://www.shiheng.com.cn
1810161312_Nanjing-Shiheng-Elec-MF11-502M_C123354.pdf
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