BU208D NPN High Voltage Fast switching Power Transistor 700V 5A TO-3 Metal Package

BU208D NPN High Voltage Fast switching Power Transistor 700V 5A TO-3 Metal Package

The BU208D is a high-voltage NPN silicon power transistor designed for fast switching and high-power applications. With a collector-emitter voltage of 700V and a collector current of 5A, it delivers robust performance, excellent switching speed, and high thermal stability.

Housed in a TO-3 metal package, the BU208D provides superior heat dissipation and mechanical durability, making it ideal for line output stages, horizontal deflection circuits, SMPS (Switched-Mode Power Supplies), and industrial high-voltage switching applications. Its fast switching capability and high breakdown voltage ensure efficient, reliable operation in demanding power circuits.

Click here to view related products

Features:

• Transistor Type: NPN Silicon High-Voltage Fast Switching Power Transistor
• Package: TO-3 Metal Can (robust with excellent heat dissipation)
• Collector-Emitter Voltage (V_CE): 700V
• Collector Current (I_C): 5A
• Power Dissipation (P_tot): Up to 100W (with proper heatsink)
• Fast Switching Speed: Suitable for high-frequency and pulse applications
• High Breakdown Voltage: Withstands heavy-voltage pulse operations
• Rugged Construction: Long-lasting performance under high load
• Thermal Stability: Metal TO-3 ensures excellent heat transfer and cooling efficiency
• High Gain: Provides efficient amplification in power circuits

Applications:

• Television Horizontal Output Stages: For CRT line deflection and video circuits
• Switched-Mode Power Supplies (SMPS): High-voltage switching and regulation
• High-Voltage Pulse Circuits: Industrial and laboratory pulse drivers
• Power Inverters and Converters: DC-AC and DC-DC conversion circuits
• Motor Control & Industrial Switching: High-current and high-voltage load control
• Educational & Hobby Electronics: High-voltage experimentation and demonstrations
• General High-Voltage Power Circuits: Reliable for high-speed switching and amplification

bu208d-transistor-datasheet