Changsha Purple Horn E-Commerce Co., Ltd.
| Resistance @ 25℃ | 5Ω |
| Power(Watts) | 7W |
| Pitch | 10mm |
| Operating Temperature | -40℃~+200℃ |
| Tolerance | ±20% |
| B Constant (25℃/100℃) | - |
| Steady State Current (Max) | 14A |
| Thermal Time Constant | 2.17min |
| B Constant (25℃/85℃) | - |
| B Constant (25℃/75℃) | - |
| B Constant (25℃/50℃) | 3000K |
| B Constant Tolerance | ±10% |
| Description | NTC Thermistor 5Ω Through Hole,P=10mm |
| Mfr. Part # | MF73T-1 5/14 |
| Package | Through Hole,P=10mm |
| Model Number | MF73T-1 5/14 |
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Product Specification
| Resistance @ 25℃ | 5Ω | Power(Watts) | 7W |
| Pitch | 10mm | Operating Temperature | -40℃~+200℃ |
| Tolerance | ±20% | B Constant (25℃/100℃) | - |
| Steady State Current (Max) | 14A | Thermal Time Constant | 2.17min |
| B Constant (25℃/85℃) | - | B Constant (25℃/75℃) | - |
| B Constant (25℃/50℃) | 3000K | B Constant Tolerance | ±10% |
| Description | NTC Thermistor 5Ω Through Hole,P=10mm | Mfr. Part # | MF73T-1 5/14 |
| Package | Through Hole,P=10mm | Model Number | MF73T-1 5/14 |
The MF73T-1 is a high-power NTC thermistor manufactured by Nanjing Shiheng Electronics Technology Co., Ltd. Designed for surge current suppression, this thermistor offers reliable performance across a wide operating temperature range of -40 to 200. It is suitable for applications requiring protection against inrush currents, with a maximum steady-state current of 14A and a maximum allowable capacitance of 240Vac/1500F.
| Item | Symbol | Test Conditions | Unit | Performance Requirement |
|---|---|---|---|---|
| 1. Electrical Characteristics | ||||
| Zero-power resistance at 25 | R25 | Ta=250.5, Test Power 0.1mw, in air | 5 20% | |
| B Value | B25/50 | B=[(TaTb)/(Tb-Ta)]ln(Ra/Rb) | K | 3000 10% |
| Maximum Steady-State Current | I max | - | A | 14 |
| Maximum Allowable Capacitance | CT | - | F | 1500 (at 240Vac) |
| Dissipation Factor | - | mW/ | Approx. 30 | |
| Thermal Time Constant | - | sec | Approx. 130 | |
| 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 | 7 |
| 2. Reliability | ||||
| Lead Strength | - | Tensile force: 101 sec (for 0.5| - | No visible damage, R/R 25% | |
| Solderability | - | Temperature 2455, time 2-3 sec | - | Soldered area 95% |
| Resistance to Soldering Heat | - | Solder pot temperature: 2605, immersion depth 6mm from body, time 101 sec | - | R/R 25% |
| Steady State Damp Heat | - | Temperature: 402, Humidity: 932%, time: 1000 hours | - | R/R 25% |
| Rapid Temperature Change | - | -40 for 30min 25 for 5min 200 for 30min 25 for 5min, repeated 5 times | - | R/R 25% |
| High Temperature Storage | - | Temperature: 2005, time: 1000 hours | - | R/R 25% |
| Max. Steady Current Endurance | - | Continuous application of max. steady current at room temperature, 100024h | - | R/R 25% |
| Max. Capacitance Endurance | - | Application of max. allowable capacitance, 1000 cycles (50ms ON, 5 times thermal time constant OFF) | - | R/R 25% |
| 3. Usage Precautions | ||||
| Purpose: Surge current suppression. When soldering with an iron, keep the welding point at least 2mm away from the coating layer, with a temperature below 360 and time less than 3 seconds. Storage temperature: -10 to 40; Storage humidity: 75% RH. Avoid storage in environments with corrosive gases and direct sunlight. Reseal after opening the package. Shelf life: 1 year. | ||||
| 5. Outline Dimensions (Unit: mm) | ||||
| D | L | F | T | d |
| Max 29 | Min 25 | 10.0 1 | Max 8.0 | 1.0 0.05 |
| 6. Product Model Description | ||||
| MF73T-1-5/14: Shiheng Brand MF73T-1: High-power NTC Thermistor 5: Zero-power resistance at 25 is 5 14: Maximum steady-state current is 14A | ||||
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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