CoolGaN™ Transistor 100 V G3 in WLCSP 0.9x0.9, 185 mΩ The IGKA23S101S is a 100 V normally-off power transistor housed in a small WLCSP 0.9x0.9 package, enabling high power density designs. Ideal choice for reliable performance in high frequency switching applications like wireless charging.