Changsha Purple Horn E-Commerce Co., Ltd.
| Resistance @ 25℃ | 3Ω |
| Power(Watts) | 6W |
| Pitch | 10mm |
| Operating Temperature | -40℃~+160℃ |
| Tolerance | ±20% |
| B Constant (25℃/100℃) | - |
| Steady State Current (Max) | 8A |
| Thermal Time Constant | 1.47min |
| B Constant (25℃/85℃) | - |
| B Constant (25℃/75℃) | - |
| B Constant (25℃/50℃) | 2800K |
| B Constant Tolerance | ±10% |
| Description | NTC Thermistor 3Ω Through Hole,P=10mm |
| Mfr. Part # | MF72 3D20 |
| Package | Through Hole,P=10mm |
| Model Number | MF72 3D20 |
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Product Specification
| Resistance @ 25℃ | 3Ω | Power(Watts) | 6W |
| Pitch | 10mm | Operating Temperature | -40℃~+160℃ |
| Tolerance | ±20% | B Constant (25℃/100℃) | - |
| Steady State Current (Max) | 8A | Thermal Time Constant | 1.47min |
| B Constant (25℃/85℃) | - | B Constant (25℃/75℃) | - |
| B Constant (25℃/50℃) | 2800K | B Constant Tolerance | ±10% |
| Description | NTC Thermistor 3Ω Through Hole,P=10mm | Mfr. Part # | MF72 3D20 |
| Package | Through Hole,P=10mm | Model Number | MF72 3D20 |
The MF72 series of power type NTC thermistors, manufactured by Nanjing Shiheng Electronics Technology Co., Ltd., are designed for surge current suppression. These components offer reliable performance with specific electrical and thermal characteristics, making them suitable for various industrial applications requiring protection against inrush currents.
| Item | Symbol | Test Conditions | Unit | Performance Requirements |
|---|---|---|---|---|
| Zero Power Resistance at 25 | R25 | Ta=250.5, Test Power 0.1mW, Tested in air | 3 20% | |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 2800 10% |
| Maximum Steady Current | I max | A | 8 | |
| Maximum Allowable Capacitance | CT | 240Vac | F | 820 |
| Dissipation Factor | mW/ | 24 | ||
| Thermal Time Constant | sec | 88 | ||
| Withstand Voltage | 700V/AC, 1min | No breakdown or arcing | ||
| Insulation Resistance | 500V/DC, 1min | M | 500 | |
| Operating Temperature Range | -40 ~160 | |||
| Maximum Rated Power | Pmax | W | 6 | |
| Lead Strength (Pull) | 0.5| | No visible damage, R/R25% | | |
| Solderability | Temperature 2455, Time 2-3 sec | Wetted area 95% | ||
| Resistance to Soldering Heat | Solder pot temperature: 2605, Immersion depth 6mm from resistor body, Time 101 sec | R/R25% | ||
| Steady State Damp Heat | Temperature: 402, Humidity: 932%, Time: 500 hours | R/R25% | ||
| Rapid Temperature Change | -40 30min25 5min160 30min25 5min, Repeated 5 times | R/R25% | ||
| High Temperature Storage | Temperature: 1605, Time: 1000 hours | R/R25% | ||
| Maximum Steady Current Durability | Continuous application of maximum steady current at room temperature for 50024h | R/R25% | ||
| Maximum Capacitance Durability | 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% | ||
| Model: MF72-3D20 | MF72 | Shiheng Brand | Power Type NTC Thermistor | |
| 3 | Zero power resistance at 25 | 3 | ||
| D20 | Body Diameter | mm | D=20 |
| Dimensions (Unit: mm) | D | L | F | T | d |
|---|---|---|---|---|---|
| Max 22.5 | Min 25 | 101 | Max 7 | 1.00.05 |
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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