Product Overview
The MF72 Series Power Type NTC Thermistor from Nanjing Shiheng Electronics Technology Co., Ltd. is designed for surge current suppression. It offers reliable performance with a wide operating temperature range of -40C to 200C and is available with various resistance values and body diameters. This series is suitable for applications requiring protection against inrush currents.
Product Attributes
- Brand: Shiheng ()
- Product Type: Power Type NTC Thermistor
- Model Series: MF72
- Encapsulation Material: Black Epoxy Resin
- Lead Material: Tinned Copper Wire
- Certifications: ISO9001:2008, ISO/TS16949, ISO14001:2004, RoHS, CQC, UL (E241319), TUV (R50245892), Jiangsu High-tech Product
- Origin: Nanjing, China
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 | 8 20% (for MF72-8D13) | |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 3000 10% |
| Maximum Steady Current | I max | A | 4 | |
| Maximum Allowable Capacitance | CT | 240Vac | F | 330 |
| Dissipation Factor | mW/ | 15 | ||
| Thermal Time Constant | sec | 60 | ||
| Withstand Voltage | 500V/AC, 1min | No breakdown or flashover | ||
| Insulation Resistance | 500V/DC, 1min | M | 500 | |
| Operating Temperature Range | -40 ~ 200 | |||
| Maximum Rated Power | Pmax | W | 4 | |
| Resistance-Temperature Curve | See Appendix 1 | |||
| Voltage-Current Curve | See Appendix 2 | |||
| 2. Reliability | ||||
| Lead Strength | Tension: Time: 101 sec | 0.5 | ||
| Solderability | Temperature 2455, Time 2-3 sec | Tinning area 95% | ||
| Soldering Heat Resistance | Pot temperature: 2605, Immersion depth 6mm from body, Time 101 sec | R/R25% | ||
| Steady Humidity Heat | Temperature: 402, Humidity: 93 2%, Time: 1000 hours | R/R25% | ||
| Temperature Rapid Change | -40 30min25 5min 200 30min25 5min, 5 cycles | R/R25% | ||
| High Temperature Storage | Temperature: 2005, Time: 1000 hours | R/R25% | ||
| Maximum Steady Current Endurance | Max steady current applied at room temperature for 100024h | R/R25% | ||
| Maximum Capacitive Load | Apply max allowable capacitive load, 50ms ON, 5 times thermal time constant OFF cycle, 1000 cycles applied | R/R25% | ||
| 5. Outline Dimensions (Unit: mm) | ||||
| Model | D | L1 | L2 | F |
| MF72-8D13 | Max 15.5 | Min 17 | 52 | 7.51 |
| d | T | F1 | F2 | |
| MF72-8D13 | 0.80.05 | Max 6.0 | 41.5 | |
| 6. Product Model Description | ||||
| MF72 : Shiheng Brand MF72: Power Type NTC Thermistor 8: Zero Power Resistance at 25 (8) 13: Body Diameter D13 | ||||
Contact Information:
Nanjing Shiheng Electronics Technology Co., Ltd.
Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing, 211121, China
TEL: 025-52121868
FAX: 025-52122373
E-MAIL: sales@shiheng.com.cn
Http: //www.shiheng.com.cn
1810161311_Nanjing-Shiheng-Elec-MF72-8D13_C122773.pdf
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