Changsha Purple Horn E-Commerce Co., Ltd.
| Resistance @ 25℃ | 5Ω |
| Power(Watts) | 3W |
| Operating Temperature | -40℃~+170℃ |
| Pitch | 7.5mm |
| Tolerance | ±20% |
| Steady State Current (Max) | 4A |
| Thermal Time Constant | 45s |
| B Constant Tolerance | ±10% |
| B Constant (25℃/50℃) | 2800K |
| Description | NTC Thermistor 5Ω Through Hole,P=7.5mm |
| Mfr. Part # | MF72 5D11-3.5 |
| Package | Through Hole,P=7.5mm |
| Model Number | MF72 5D11-3.5 |
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Product Specification
| Resistance @ 25℃ | 5Ω | Power(Watts) | 3W |
| Operating Temperature | -40℃~+170℃ | Pitch | 7.5mm |
| Tolerance | ±20% | Steady State Current (Max) | 4A |
| Thermal Time Constant | 45s | B Constant Tolerance | ±10% |
| B Constant (25℃/50℃) | 2800K | Description | NTC Thermistor 5Ω Through Hole,P=7.5mm |
| Mfr. Part # | MF72 5D11-3.5 | Package | Through Hole,P=7.5mm |
| Model Number | MF72 5D11-3.5 |
Product Overview
The MF72 Series Power NTC Thermistors are designed for current limiting applications, effectively suppressing inrush current. Manufactured by Nanjing Shiheng Electronics Co., Ltd., these thermistors utilize a silicone resin encapsulation for excellent high-temperature resistance (up to 300C), rapid heat dissipation, and good insulation. The rough surface of the silicone resin aids in heat dissipation and may exhibit minor friction marks from handling, which do not affect performance. While the material is firm, it is also brittle; improper handling can lead to minor cracks or chips at the lead pins, which have been tested and proven not to impact the product's performance or reliability. These thermistors are suitable for various industrial applications requiring protection against current surges.
| Item | Symbol | Test Conditions | Unit | Performance Requirements |
|---|---|---|---|---|
| Zero Power Resistance at 25 | R25 | Ta=250.5 (Test Power 0.1mW, in air) | 5 20% | |
| B-value | B25/50 | Ta=250.01, Tb=500.01 | K | 2800 10% |
| Max steady current | I max | A | 4 | |
| Max allowable capacity value | CT | 240Vac | F | 330 |
| Thermal dissipation Coefficient | In still air | mW/ | 13 | |
| Thermal time constant | In still air | sec | 45 | |
| Withstand voltage | 500V/AC, 1min | No breakthrough and flash over | ||
| Insulation resistance | 500V/DC, 1min | M | 500 | |
| Operating temperature range | -40 ~ 170 | |||
| Maximum rated power | Pmax | W | 3 | |
| Dimensions (DMax x L1 x L2 x Tmax x d) | mm | 12 x 3.50.5 x 52 x 7.5 x 5.5 (lead diameter d0.05: 0.8) | ||
| Lead wire material | Tinned copper-weld steel wire |
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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