Product Overview
The MF72 Series Power Type NTC Thermistors, manufactured by Nanjing Shiheng Electronics Technology Co., Ltd., are designed to suppress inrush current. These components are suitable for various applications requiring protection against current surges. The product specifications cover electrical performance, reliability, and usage guidelines to ensure optimal performance and longevity.
Product Attributes
- Brand: Shiheng
- Manufacturer: Nanjing Shiheng Electronics Technology Co., Ltd.
- Product Line: MF72 Series Power Type NTC Thermistors
- Origin: China
- Encapsulation Material: Black Phenolic Resin
- Lead Wire Material: Tinned Copper Wire
- Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, RoHS, CQC, TUV, Jiangsu Province High-tech Product
Technical Specifications
| Specification | Symbol | Test Condition | Unit | Performance Requirement |
|---|---|---|---|---|
| Zero-power resistance at 25 | R25 | Ta=250.5, Test power 0.1mW, Tested in air | 16 20% | |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 2600 10% |
| Max Steady Current | I max | A | 0.6 | |
| Max Allowable Capacitance | CT | 240Vac | F | 47 |
| Dissipation Factor | mW/ | 6 | ||
| Thermal Time Constant | sec | 20 | ||
| Withstand Voltage | 500V/AC, 1min | No breakdown or arcing | ||
| Insulation Resistance | 500V/DC, 1min | M | 500 | |
| Operating Temperature Range | -40 ~ 130 | |||
| Max Rated Power | Pmax | W | 0.5 | |
| Lead Strength (Tensile) | Tension: 101 sec | N | 0.5 | |
| Lead Strength (Tensile) Resistance Change | R/R | % | 25% | |
| Solderability | Temperature 2455, Time 2-3 sec | Wetted area 95% | ||
| Resistance to Soldering Heat | Solder pot temperature: 2605, Immersion depth 6mm from resistor body, Time 101 sec | R/R 25% | ||
| Steady Damp Heat | Temperature: 402, Humidity: 932%, Time: 500 hours | R/R 25% | ||
| Temperature Rapid Change | -40 30min 25 5min 130 30min 25 5min, 5 cycles | R/R 25% | ||
| High Temperature Storage | Temperature: 1305, Time: 1000 hours | R/R 25% | ||
| Max Steady Current Durability | Continuous application of max steady current at room temperature, 50024h | R/R 25% | ||
| Max Capacitance Durability | Apply max allowable capacitance, intermittent close 50ms, open 5 times thermal time constant per cycle, 1000 cycles | R/R 25% | ||
| Model Description | NTC 16D-5 | NTC: Power Type NTC Thermistor; 16: Zero-power resistance at 25 is 16; D5: Body diameter is 5mm | ||
| Dimensions (Unit: mm) | D | mm | Max 7.0 | |
| Dimensions (Unit: mm) | L | mm | Min 25 | |
| Dimensions (Unit: mm) | F | mm | 2.5 1 | |
| Dimensions (Unit: mm) | T | mm | Max 5 | |
| Dimensions (Unit: mm) | d | mm | 0.45 0.05 |
Usage Notes
- Purpose: Inrush current suppression.
- Soldering: When soldering with a soldering iron, the distance from the coating layer should be at least 2mm. Soldering temperature should be below 360, and soldering time should be less than 3 seconds.
- Storage Temperature: -10 to 40.
- Storage Humidity: 75% RH.
- Storage Environment: Avoid storage in environments with corrosive gases and direct sunlight.
- Packaging: Reseal packaging after opening for storage.
- Shelf Life: 1 year.
1810170728_Nanjing-Shiheng-Elec-MF72-16D5_C72689.pdf
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