WAB BM3 Half-Bridge Modules Wolfspeed WAB BM3 Half-Bridge Modules feature a 1200V drain-source voltage, 300A to 400A continuous drain-source current range, and 5.2mΩ maximum resistance rating. WAB BM3 modules offer an industry-standard 62mm footprint, a low inductance design, and a silicon nitride insulator and copper baseplate construction. Wolfspeed WAB BM3 Half-Bridge Modules are ideal for solar, EV charger, industrial automation, and testing applications.