12V Low-power voltage regulator diodes in small hermetically sealed glass SOD80C Non-repetitive peak reverse power dissipation: ≤ 40 W Total power dissipation: ≤ 500 mW Two tolerance series: ±2 % and ±5 % Wide working voltage range: nominal 2.4 V to 75 V (E24 range) Low differential resistance Small hermetically sealed glass SMD package http://www.nxp.com/products/diodes/zener_diodes/BZV55-C12.html