Changsha Purple Horn E-Commerce Co., Ltd.
| Resistance @ 25℃ | 30Ω |
| Power(Watts) | 3W |
| Pitch | 7.5mm |
| Operating Temperature | -40℃~+170℃ |
| Tolerance | ±20% |
| B Constant (25℃/100℃) | - |
| Steady State Current (Max) | 1.5A |
| Thermal Time Constant | 52s |
| B Constant (25℃/85℃) | - |
| B Constant (25℃/75℃) | - |
| B Constant (25℃/50℃) | 3000K |
| B Constant Tolerance | ±10% |
| Description | NTC Thermistor 30Ω Through Hole,P=7.5mm |
| Mfr. Part # | MF72 30D11 |
| Package | Through Hole,P=7.5mm |
| Model Number | MF72 30D11 |
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Product Specification
| Resistance @ 25℃ | 30Ω | Power(Watts) | 3W |
| Pitch | 7.5mm | Operating Temperature | -40℃~+170℃ |
| Tolerance | ±20% | B Constant (25℃/100℃) | - |
| Steady State Current (Max) | 1.5A | Thermal Time Constant | 52s |
| B Constant (25℃/85℃) | - | B Constant (25℃/75℃) | - |
| B Constant (25℃/50℃) | 3000K | B Constant Tolerance | ±10% |
| Description | NTC Thermistor 30Ω Through Hole,P=7.5mm | Mfr. Part # | MF72 30D11 |
| Package | Through Hole,P=7.5mm | Model Number | MF72 30D11 |
The MF72 series of power-type NTC thermistors from Nanjing Shiheng Electronics Technology Co., Ltd. are designed for surge current suppression. These components offer reliable performance with a wide operating temperature range and are manufactured with high-quality materials. They are suitable for applications requiring inrush current limiting and are available with various certifications, including UL and TUV.
| 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 | 3020% | |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 300010% |
| Max. Steady State Current | I max | A | 1.5 | |
| Max. Allowable Capacitance | CT | 240Vac | F | 220 |
| Dissipation Factor | mW/ | 15 | ||
| Thermal Time Constant | sec | 52 | ||
| 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 | 3 | |
| Resistance-Temperature Curve | See Figure 1 | |||
| Volt-Ampere Curve | See Figure 2 | |||
| 2. Reliability | ||||
| Lead Strength | Pull force: 10N (for 0.5| | 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% | ||
| Temperature Cycling | -40 30min 25 5min 170 30min 25 5min, 5 cycles | R/R25% | ||
| High Temperature Storage | Temperature: 1705, Time: 1000 hours | R/R25% | ||
| Max. Steady State Current Endurance | Applied max. steady state current at room temperature for 100024h | R/R25% | ||
| Max. Capacitance Endurance | Applied max. allowable capacitance, 50ms on, 5 times thermal time constant off, 1000 cycles | R/R25% | ||
| 3. Usage Precautions | ||||
| Product Purpose | Surge current suppression | |||
| Soldering | Distance from coating: 2mm, Temperature: <360, Time: <3 sec | |||
| Storage Temperature | -10 ~ 40 | |||
| Storage Humidity | % RH | 75% | ||
| Storage Environment | Avoid corrosive gases and direct sunlight | |||
| Packaging | Reseal after opening | |||
| Shelf Life | Year | 1 | ||
| 4. Derating Curve | ||||
| See Figure 4 | ||||
| 5. Outline Dimensions (Unit: mm) | ||||
| D | Max | 13.0 | ||
| L1 | Min | 17 | ||
| L2 | 82 | |||
| F1 | 7.51 | |||
| F2 | 51.5 | |||
| T | Max | 5.5 | ||
| d | 0.80.05 | |||
| 6. Product Model Description | ||||
| MF72 | Shiheng Brand, MF72: Power Type NTC Thermistor, 30: Zero-power resistance at 25 is 30, 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), UL (E241319) | |||
| Regional Certification | Jiangsu High-tech Product Certification (070115G0254N) | |||
| International Certification | TUV (R50245892) | |||
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
Http: //www.shiheng.com.cn
E-MAIL: sales@shiheng.com.cn
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...
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