The BD202 is a pre-ordered, ROHS compliant, TO-220C transited transistor manufactured by SPTECH. It features a maximum peak collector-emitter voltage of over 800V with a collector current of 4.0A, and its maximum power dissipation is approximately 12W. It has a high switching frequency of 300kHz which allows it be used in a variety of applications. It is also lead-free and RoHS compliant, making it safe for many industrial applications. The BD202 is a high-power transistor with high-frequency capability, making it ideal for applications such as switching, amplifier, audio amplification, and power supplies.