PAJIT 15KP28 datasheet, 15KP28 is Glass passivated junction transient voltage suppressor. Vrwm = 28 V. Vbr(min/max) = 31.1/39.4 V @ It = 5.0 mA. Ir = 125 uA. Vc = 50.0 V @ Ipp = 289 A.