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Specifications
Resistance @ 25℃:
8Ω
Power(Watts):
2W
Operating Temperature:
-40℃~+170℃
Pitch:
7.5mm
Tolerance:
±20%
Steady State Current (Max):
2A
Thermal Time Constant:
32s
B Constant Tolerance:
±10%
B Constant (25℃/50℃):
2800K
Mfr. Part #:
MF72 8D9-3.5
Package:
Through Hole,P=7.5mm
Key Attributes
Model Number:
MF72 8D9-3.5
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 silicone resin encapsulation for high temperature resistance (up to 300C), fast heat dissipation, and good insulation. This thermistor is suitable for suppressing inrush currents and is manufactured to meet stringent quality and environmental standards, including ISO9001, IATF16949, ISO14001, RoHS 2.0, CQC, TUV, and UL certifications.
Product Attributes
- Brand: Shiheng
- Product Type: Power NTC Thermistor
- Series: MF72
- Encapsulation Material: Green Silicone Resin
- Lead Wire Material: Tinned copper clad steel wire
- 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) | 820% | |
| B-value (B25/50) | B | Ta=250.01, Tb=500.01 | K | 280010% |
| Max steady current | I max | - | A | 2 |
| Max allowable capacity value | CT | 240Vac | F | 150 |
| Thermal dissipation Coefficient | In still air | mW/ | 11 | |
| Thermal time constant | In still air | sec | 32 | |
| Withstand voltage | - | 500V/AC, 1min | - | No breakthrough and flash over |
| Insulation resistance | - | 500V/DC, 1min | M | 500 |
| Operating temperature range | - | - | -40 ~ 170 | |
| Maximum rated power | Pmax | - | W | 2 |
| Product Model: MF72 8D9 | ||||
| Dimensions (mm): | DMax | L10.5 | L2 | F0.5 |
| 10.0 | 3.5 | 52 | 7.5 | |
| T max | d0.05 | |||
| 5.5 | 0.8 | |||
| Technical Requirements: |
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| Reliability - Terminal Strength: |
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| Reliability - Withstand welding temp: |
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| Reliability - Steady humidity and heat: |
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| Reliability - Rapid changes in temperature: |
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| Reliability - High temperature storage: |
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| Reliability - Max steady current durability: |
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| Reliability - Max capacity valume: |
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| Installation & Use Precautions: |
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2410121635_Nanjing-Shiheng-Elec-MF72-8D9-3-5_C18197898.pdf
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