BU508A NPN High Voltage Fast switching Power Transistor 700V 5A TO-247 Package

BU508A NPN High Voltage Fast switching Power Transistor 700V 5A TO-247 Package

The BU508A is a high-voltage NPN fast switching power transistor designed for high-power, high-speed applications. With a collector-emitter voltage of 700V and a collector current of 5A, it delivers reliable performance, fast switching, and excellent thermal stability.

Encased in a TO-247 package, the BU508A provides superior heat dissipation and mechanical durability, making it ideal for horizontal deflection in CRT TVs, switched-mode power supplies (SMPS), inverters, and industrial high-voltage switching applications. Its high breakdown voltage and fast response ensure efficient operation and minimal power loss, even under demanding conditions.

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Features:

• Transistor Type: NPN Silicon Fast Switching Power Transistor
• Package: TO-247 (high thermal efficiency and rugged design)
• Collector-Emitter Voltage (V_CE): 700V
• Collector Current (I_C): 5A
• Power Dissipation (P_tot): Up to 150W (with proper heatsink)
• Fast Switching Speed: Ideal for pulse and high-frequency applications
• High Breakdown Voltage: Withstands heavy-voltage pulses reliably
• Low Saturation Voltage: Reduces energy loss and heat generation
• Durable & Thermally Stable: Ensures reliable long-term operation
• Rugged Construction: Suitable for industrial and high-power applications

Applications:

• Television Horizontal Output Stages: CRT line deflection and video circuits
• Switch-Mode Power Supplies (SMPS): Efficient high-voltage switching
• Inverters and Converters: DC-AC or DC-DC power conversion
• High-Voltage Pulse Circuits: Industrial and laboratory pulse applications
• Motor Control & Drivers: High-current and high-speed switching
• Industrial Switching Applications: Reliable high-voltage, high-current operation
• Educational & Hobby Electronics: High-voltage pulse and switching experiments

bu508a-transistor-datasheet