PAJIT 15KP20 datasheet, 15KP20 is Glass passivated junction transient voltage suppressor. Vrwm = 20 V. Vbr(min/max) = 22.2/28.1 V @ It = 20 mA. Ir = 1500 uA. Vc = 35.8 V @ Ipp = 396 A.