The BU941Z is a high voltage ignition coil driver power transistor developed by STMicroelectronics, a leader in semiconductor solutions. This robust component is specifically designed to handle high voltages and currents, making it an ideal choice for automotive ignition systems where reliable performance is critical.

Key Features

• High Voltage Capability: The BU941Z is capable of withstanding high voltage peaks, offering excellent reliability in demanding environments.
• High Current Rating: This component can handle significant current loads, ensuring efficient operation of the ignition coil.
• Integrated Protection: The device includes built-in clamp diodes, providing protection against overvoltage transients, which are common in automotive ignition systems.
• Low Saturation Voltage: The low saturation voltage of the BU941Z minimizes power dissipation and heat generation, contributing to the overall efficiency of the system.
• Durability: Designed with ruggedness in mind, the BU941Z can endure the thermal and mechanical stresses typical of automotive applications.

Applications

The BU941Z is primarily used in the automotive industry for driving ignition coils. Its high voltage and current capabilities make it suitable for a wide range of vehicles, from passenger cars to commercial trucks. The device's robustness also allows it to be used in other high-voltage ignition applications outside the automotive industry, such as in industrial engines and power generators.

Technical Specifications

• V_CE: Collector-Emitter Voltage
• I_C: Collector Current
• V_(BR)CEO: Collector-Emitter Breakdown Voltage
• P_TOT: Total Power Dissipation
• Package: TO-220

With its combination of high-voltage and high-current handling capabilities, integrated protection features, and low saturation voltage, the BU941Z from STMicroelectronics stands out as a reliable choice for high-performance ignition systems.