Current Limiting Power NTC Thermistor Nanjing Shiheng Elec MF72 10D7-3.5 High Temperature Resistant Component
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Product Description
Product Overview
The MF72 Series Power NTC Thermistor from Nanjing Shiheng Electronics Co., Ltd. is designed for current limiting applications. It features a green silicone resin encapsulation, offering high temperature resistance (up to 300C), rapid heat dissipation, and good insulation. This series is ideal for applications requiring surge current suppression. Despite potential surface friction marks and minor cracks at the lead pins due to material properties, these do not affect the product's performance or reliability.
Product Attributes
- Brand: Shiheng
- Product Name: MF72 Power NTC Thermistor
- Series: MF72
- Encapsulation Material: Green Silicone Resin
- Origin: Nanjing, China
- Certifications: ISO9001:2015, IATF16949:2016, ISO14001:2015, RoHS 2.0, CQC (CQC04001010556), TUV (R50245892), UL (E241319), Jiangsu Province High-tech Product
Technical Specifications
| Item | Symbol | Test Conditions | Unit | Requirements |
|---|---|---|---|---|
| Zero Power Resistance at 25 | R25 | Ta=250.5 (Test Power 0.1mW, in air) | 1020% | |
| B-value | B25/50 | B=[(TaTb)/(Tb-Ta)] ln(Ra/Rb) Ta=250.01, Tb=500.01 | K | 280010% |
| Max steady current | I max | - | A | 1 |
| Max allowable capacity value | CT | 240Vac | F | 100 |
| Thermal dissipation Coefficient | In still air | mW/ | 9 | |
| Thermal time constant | In still air | sec | 27 | |
| Withstand voltage | - | 500V/AC, 1min | - | No breakthrough and flash over |
| Insulation resistance | - | 500V/DC, 1min | M | 500 |
| Operating temperature range | - | - | -40 ~ 150 | |
| Maximum rated power | Pmax | - | W | 1 |
Product Dimensions (Model: MF72 10D7)
| D Max | L1 0.5 | L2 2 | F 0.5 | T Max | d 0.05 |
|---|---|---|---|---|---|
| 8.0 | 3.5 | 5 | 5.0 | 5 | 0.6 |
(Unit: mm)
Product Packaging
| Packing Type | Packing Specification | Packing Material, Size | Quantity |
|---|---|---|---|
| Bulk Type | Packing bag | Self sealing bag (WH11mm12mm) | 1 |
| Reel Type | Reel packing box | Packing box (WGH335mm240mm50mm) | - |
| Pallet | - | - | - |
Installation & Use Precautions
- Purpose: Current limitation (surge current suppression).
- Soldering: Weld spot should be at least 2mm from the head. Welding temperature below 360, time less than 3 seconds.
- Storage Temperature: -1040.
- Storage Humidity: 75% RH.
- Environment: Avoid storage in environments with corrosive gases and illumination.
- Shelf Life: 1 year after opening and resealing. Re-inspection is permitted if requirements are met after the storage period.
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