ASZ18: PNP Germanium power transistor, 100 V, 10 A, 20 W, TO-3 packaging
Made by I.P.R.S. Baneasa, Romania
<a href="//commons.wikimedia.org/wiki/User:Mister_rf" title="User:Mister rf">Mister rf</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>