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Specifications
Resistance @ 25℃:
10Ω
Power(Watts):
3W
Pitch:
7.5mm
Operating Temperature:
-40℃~+170℃
Tolerance:
±20%
B Constant (25℃/100℃):
-
Steady State Current (Max):
3A
Thermal Time Constant:
47s
B Constant (25℃/85℃):
-
B Constant (25℃/75℃):
-
B Constant (25℃/50℃):
2800K
B Constant Tolerance:
±10%
Mfr. Part #:
MF72 10D11
Package:
Through Hole,P=7.5mm
Key Attributes
Model Number:
MF72 10D11
Product Description
Product Overview
The MF72 Power Type NTC Thermistor, manufactured by Nanjing Shiheng Electronics Technology Co., Ltd., is designed for surge current suppression. This product offers reliable performance within a wide operating temperature range of -40C to 170C. It is suitable for applications requiring effective inrush current limiting and is manufactured with quality management certifications including ISO9001:2008, ISO/TS16949:2009, and ISO14001:2004.
Product Attributes
- Brand: Shiheng ()
- Product Type: Power Type NTC Thermistor
- Origin: Nanjing, China
- Encapsulation Material: Black Silicone Resin
- Lead Material: Tinned Copper Wire
- Certifications: ISO9001:2008, ISO/TS16949:2009, ISO14001:2004, RoHS, CQC Safety Certification, Jiangsu High-tech Product Certification, TUV, UL (E241319)
Technical Specifications
| Item | Symbol | Test Conditions | Unit | Performance Requirement |
|---|---|---|---|---|
| 1. Electrical Performance | ||||
| 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% |
| Maximum Steady Current | I max | A | 3 | |
| Maximum Allowable Capacitance | CT | 240Vac | F | 220 |
| Dissipation Factor | mW/ | 14 | ||
| Thermal Time Constant | sec | 47 | ||
| Withstand Voltage | 500V/AC, 1min | No breakdown or arcing | ||
| Insulation Resistance | 500V/DC, 1min | M | 500 | |
| Operating Temperature Range | -40 ~ 170 | |||
| Maximum Rated Power | Pmax | W | 3 | |
| Resistance-Temperature Curve | See Figure 1 | |||
| Volt-Ampere Curve | See Figure 2 | |||
| 2. Reliability | ||||
| Lead Strength | Tension: 101 sec, for wire diameter (mm): 0.5<d0.8 (10N), 0.8<d1.25 (20N) | No visible damage, R/R25% | ||
| Solderability | Temperature 2455, time 2-3 sec | 95% tinning area | ||
| Resistance to Soldering Heat | Solder pot temperature: 2605, immersion depth 6mm from body, time 101 sec | R/R25% | ||
| Steady State Damp Heat | Temperature: 402, Humidity: 932%, Time: 1000 hours | R/R25% | ||
| Rapid Change of Temperature | -40 30min25 5min170 30min25 5min, 5 cycles | R/R25% | ||
| High Temperature Storage | Temperature: 1705, Time: 1000 hours | R/R25% | ||
| Maximum Steady Current Endurance | Continuous application of maximum steady current at room temperature, 100024h | R/R25% | ||
| Maximum Capacitance Endurance | Apply maximum allowable capacitance, intermittently close 50ms, open 5 times the thermal time constant for one cycle, apply 1000 cycles to the thermistor. | R/R25% | ||
| 3. Usage Precautions | ||||
| Product Purpose | Surge current suppression | |||
| Soldering (Soldering Iron) | Welding point at least 2mm from coating layer, welding temperature <360, welding time <3 sec | |||
| Storage Temperature | -10 ~ 40 | |||
| Storage Humidity | % RH | 75% | ||
| Storage Environment | Avoid storage in environments with corrosive gases and direct sunlight | |||
| Packaging | Reseal after opening | |||
| Shelf Life | Year | 1 | ||
| 4. Derating Curve | ||||
| (Information not detailed in provided text) | ||||
| 5. Outline Dimensions (Unit: mm) | ||||
| D | L | L1 | L2 | F |
| Max 13.0 | Min 17 | 8 2 | 7.5 1 | 5 1.5 |
| T | d | |||
| Max 5.5 | 0.8 0.05 | |||
| 6. Product Model Description | ||||
| MF72 | 10 | D | 11 | |
| Shiheng Brand | MF72: Power Type NTC Thermistor | 10: Zero-power resistance at 25 is 10 | 11: Body diameter D11 | |
| 7. Certifications | ||||
| Quality Management System | ISO9001:2008 (01115Q20270R5M), ISO/TS16949:2009 (0192416) | |||
| Environmental Management System | ISO14001:2004 (01113E20060R2M) | |||
| Environmental Test Report | RoHS | |||
| Safety Certification | CQC (CQC04001010556) | |||
| High-tech Product Certification | Jiangsu Province (070115G0254N) | |||
| TUV Certification | (R50245892) | |||
| UL Certification | (E241319) | |||
Contact Information:
Nanjing Shiheng Electronics Technology Co., Ltd.
Address: No. 18 Jinyang Road, Hushu Town, Jiangning District, Nanjing City, 211121, China
TEL: 025-52121868
FAX: 025-52122373
E-MAIL: sales@shiheng.com.cn
Http: //www.shiheng.com.cn
1811151136_Nanjing-Shiheng-Elec-MF72-10D11_C72682.pdf
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