Adinath Electronics

The PHW8N50E is an N-channel enhancement-mode Power MOSFET designed for high-voltage switching applications. It is part of a family of PowerMOS transistors originally produced by Philips/NXP Semiconductors, and variants like PHW8N50E are optimized for reliable performance in power conversion and control circuits.

Key Electrical Characteristics

• Voltage Rating: The device supports a drain-to-source breakdown voltage (V_DSS) of 500 V, making it suitable for mains-level and other high-voltage systems.

• Current Capability: It can handle up to approximately 8.5 A continuous drain current at typical operating conditions.

• On-Resistance: The MOSFET has a relatively low R_DS(on) (≤ 0.85 Ω), which helps reduce conduction losses during switching.

• Gate-Source Voltage: It accepts a standard logic-level drive with a maximum ±30 V gate-to-source rating.

Package and Structure
The PHW8N50E is supplied in a TO-247 (SOT429) leaded package, which provides good power-handling and thermal dissipation, suitable for mounting on heatsinks in higher-power designs.

Performance Features and Applications
This MOSFET is designed for fast switching and stable off-state characteristics, with avalanche energy rating capability (important for handling transient energy in inductive loads). Typical application areas include:

• Off-line switched-mode power supplies (SMPS)

• DC-to-DC converters

• Motor control circuits

• General purpose high-voltage switching
  These types of devices are used where ruggedness, high voltage tolerance, and reliable switching are required.

Equivalent/Related Part Example
A commonly available equivalent you might buy today is the MTP8N50E, which has similar specifications (8 A, 500 V N-channel Power MOSFET in TO-220), useful as a practical replacement in many designs.