





The IRF440 N-Channel Power MOSFET is a high-voltage power transistor designed for efficient switching and power control applications. It features a 500V drain-to-source voltage rating and can handle up to 8.8A continuous drain current, making it suitable for power supplies, motor control systems, DC-DC converters, and industrial switching circuits. Its low on-state resistance of 0.85Ω helps reduce power losses and improve efficiency. The device offers fast switching performance, simple gate drive requirements, and reliable operation in demanding environments. Housed in a robust TO-247 package, the IRF440 provides effective heat dissipation for enhanced durability and long-term performance.
يُعد IRF440 MOSFET من نوع N-Channel ترانزستور قدرة عالي الجهد مصممًا لتطبيقات التبديل والتحكم بالطاقة بكفاءة عالية. يتميز بقدرة تحمل جهد بين المصرف والمصدر يصل إلى 500 فولت وتيار مستمر يصل إلى 8.8 أمبير، مما يجعله مناسبًا لمزودات الطاقة، وأنظمة التحكم بالمحركات، ومحولات DC-DC، ودوائر التبديل الصناعية. تساعد مقاومة التشغيل المنخفضة البالغة 0.85 أوم على تقليل الفاقد في الطاقة وتحسين الكفاءة. كما يوفر سرعة تبديل عالية ومتطلبات قيادة بوابة بسيطة وأداءً موثوقًا في الظروف الصعبة. يأتي ضمن حزمة TO-247 التي توفر تبديدًا حراريًا ممتازًا وعمر تشغيل طويل.
The IRF440 N-Channel Power MOSFET is a high-performance power semiconductor designed for medium- to high-voltage switching applications. With a maximum drain-to-source voltage of 500V and a continuous drain current capability of 8.8A, it is well suited for industrial and commercial power electronics systems.
The device features a low drain-source on-resistance (RDS(on)) of 0.85Ω, helping to minimize conduction losses and improve overall efficiency. Its fast switching characteristics enable effective operation in high-frequency circuits, while the simple gate-drive requirements make it easy to integrate into a wide range of designs.
Packaged in a durable TO-247 housing, the IRF440 provides excellent thermal performance and heat dissipation, ensuring stable operation under high-power conditions. The MOSFET is commonly used in power supplies, motor drives, inverters, and switching circuits where reliable high-voltage performance is required.
| Parameter | Value |
|---|---|
| Device Type | N-Channel Power MOSFET |
| Package | TO-247 |
| Drain-Source Breakdown Voltage (VDS) | 500V |
| Continuous Drain Current (ID) | 8.8A |
| Drain-Source On-State Resistance (RDS(on)) | 0.85Ω |
| Gate-Source Threshold Voltage (VGS(th)) Min | 2.0V |
| Gate-Source Threshold Voltage (VGS(th)) Max | 4.0V |
| Gate-Source Leakage Current (IGSS) | ±100nA Max |
| Forward Transconductance (gfs) | 5.3S Min |
| Temperature Coefficient | 0.78V/°C |
| Switching Speed | Fast Switching |
| Drive Requirements | Simple Gate Drive |
| Paralleling Capability | Supported |
| dV/dt Rating | Dynamic dV/dt Rated |