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Specifications
Resistance @ 25℃:
10Ω
Power(Watts):
2W
Pitch:
7.5mm
Operating Temperature:
-40℃~+170℃
Tolerance:
±20%
B Constant (25℃/100℃):
-
Steady State Current (Max):
2A
Thermal Time Constant:
32s
B Constant (25℃/85℃):
-
B Constant (25℃/75℃):
-
B Constant (25℃/50℃):
2800K
B Constant Tolerance:
±10%
Mfr. Part #:
MF72 10D9
Package:
Through Hole,P=7.5mm
Key Attributes
Model Number:
MF72 10D9
Product Description
Product Overview
The MF72 Power Type NTC Thermistor is designed for surge current suppression. Manufactured by Nanjing Shiheng Electronics Technology Co., Ltd., this component offers reliable performance with a focus on protecting electronic circuits from inrush current.
Product Attributes
- Brand: Shiheng
- Product Type: Power Type NTC Thermistor
- Model Series: MF72
- Origin: Nanjing, China
- Encapsulation Material: Black Silicone Resin
- Lead Material: Tinned Copper Wire
- Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, RoHS, CQC, UL (E241319), Jiangsu High-tech Product, TUV (R50245892)
Technical Specifications
| Item | Symbol | Test Condition | Unit | Performance Requirement | |||
|---|---|---|---|---|---|---|---|
| 1. Electrical Characteristics | |||||||
| Zero-power Resistance at 25 | R25 | Ta=250.5, Test Power 0.1mW, Tested in Air | 10 20% | ||||
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 2800 10% | |||
| Max Steady Current | I max | A | 2 | ||||
| Max Allowable Capacitance | CT | 240Vac | F | 100 | |||
| Dissipation Factor | mW/ | 11 | |||||
| Thermal Time Constant | sec | 32 | |||||
| Withstand Voltage | 500V/AC, 1min | No breakdown or flashover | |||||
| Insulation Resistance | 500V/DC, 1min | M | 500 | ||||
| Operating Temperature Range | -40 ~ 170 | ||||||
| Max Rated Power | Pmax | W | 2 | ||||
| Resistance-Temperature Curve | See Figure 1 | ||||||
| Volt-Ampere Curve | See Figure 2 | ||||||
| 2. Reliability | |||||||
| Lead Strength | Tension: 101 sec, for wire diameter 0.5| | No visible damage, R/R25% | | ||||
| Solderability | Temperature 2455, Time 2-3 sec | 95% tinning area | |||||
| Resistance to Soldering Heat | Tin pot temperature: 2605, immersion depth 6mm from body, Time 101 sec | R/R25% | |||||
| Steady Damp Heat | Temperature: 402, Humidity: 932%, Time: 1000 hours | R/R25% | |||||
| Rapid Change of Temperature | -40 30min25 5min170 30min25 5min, repeated 5 times | R/R25% | |||||
| High Temperature Storage | Temperature: 1705, Time: 1000 hours | R/R25% | |||||
| Max Steady Current Endurance | Continuously apply max steady current at room temperature for 100024h | R/R25% | |||||
| Max Capacitance Endurance | Apply max allowable capacitance, 50ms on, 5 times thermal time constant off per cycle, 1000 cycles | R/R25% | |||||
| 3. Usage Precautions | |||||||
| Product Usage | Surge current suppression | ||||||
| Soldering (Iron) | Distance from coating layer 2mm, Temperature <360, Time <3 sec | ||||||
| Storage Temperature | -1040 | ||||||
| Storage Humidity | 75% RH | ||||||
| Storage Environment | Avoid corrosive gases and direct sunlight | ||||||
| Packaging | Reseal after opening | ||||||
| Shelf Life | 1 year | ||||||
| 5. Outline Dimensions (Unit: mm) | |||||||
| Model | D | L1 | L2 | F1 | F2 | T | d |
| MF72-10D9 | Max 11.0 | Min 17 | 82 | 7.51 | 51.5 | Max 5.5 | 0.80.05 |
| 6. Product Model Description | |||||||
| MF72-10D9 | MF72: Power Type NTC Thermistor; 10: Zero-power resistance at 25 is 10; D9: Body diameter is 9mm | ||||||
Manufacturer: Nanjing Shiheng Electronics Technology Co., Ltd.
Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing, 211121, China
Tel: 025-52121868
Fax: 025-52122373
Email: sales@shiheng.com.cn
Website: Http://www.shiheng.com.cn
1809191941_Nanjing-Shiheng-Elec-MF72-10D9_C72679.pdf
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