Overview
The BU208A is a high-voltage, fast-switching NPN power transistor manufactured by STMicroelectronics. This transistor is designed using Multiepitaxial Mesa technology, which enhances its performance and cost-effectiveness. It features a Hollow Emitter structure to improve switching speeds, making it suitable for various high-power applications. The BU208A is packaged in a TO-3 chassis mount configuration, which is fully insulated and compliant with UL standards, facilitating easy mounting in different applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Emitter Voltage (VCE) | 700 | V |
| Collector-Emitter Voltage (VCE) with VBE = 0 | 1500 | V |
| Emitter-Base Voltage (VEB) | 10 | V |
| Collector Current (IC) | 8 | A |
| Collector Peak Current (ICM) | 15 | A |
| Total Dissipation at Tc = 25°C | 150 | W |
| Insulation Withstand Voltage | 2500 | V (RMS) |
| Storage Temperature | -65 to 175 | °C |
| Max. Operating Junction Temperature | 175 | °C |
| Transition Frequency | 7 | MHz |
Key Features
- High voltage capability: Up to 1500 V collector-emitter voltage and 700 V collector-emitter voltage with zero base current.
- Fast-switching performance: Enhanced by the Hollow Emitter structure and Multiepitaxial Mesa technology.
- High current handling: Maximum collector current of 8 A and peak current of 15 A.
- Fully insulated package: Compliant with UL standards, facilitating easy mounting and ensuring safety in high-voltage applications.
- High power dissipation: Total dissipation of up to 150 W at Tc = 25°C.
Applications
- Horizontal deflection in color TV sets.
- High-power switching applications requiring fast switching times and high voltage handling.
- Industrial power supplies and motor control systems.
Q & A
- What is the maximum collector-emitter voltage of the BU208A transistor? The maximum collector-emitter voltage (VCE) is 700 V, and up to 1500 V with VBE = 0.
- What is the maximum collector current of the BU208A? The maximum collector current (IC) is 8 A, with a peak current (ICM) of 15 A.
- What is the transition frequency of the BU208A transistor? The transition frequency is 7 MHz.
- What is the package type of the BU208A transistor? The BU208A is packaged in a TO-3 chassis mount configuration.
- Is the BU208A transistor fully insulated? Yes, the BU208A has a fully insulated package, compliant with UL standards.
- What are the typical applications of the BU208A transistor? Typical applications include horizontal deflection in color TV sets and high-power switching applications.
- What is the maximum operating junction temperature of the BU208A? The maximum operating junction temperature is 175°C.
- Is the BU208A transistor still in production? No, the BU208A is an obsolete product and is no longer manufactured.
- What is the total power dissipation of the BU208A at Tc = 25°C? The total power dissipation is up to 150 W.
- What technology is used in the manufacture of the BU208A transistor? The BU208A is manufactured using Multiepitaxial Mesa technology.
