Phase^"gIe ο ⒊ T妲 g cilc:{iiriⅡ ⒛ s"卩 pⅡ od to E日 bv sutromics. A thickˉ film hybrid firing circuitˇ vhich gives phase contrOI of rnostloads in the range1to100amps (dependent on cho℃ e of"ac and heatsinkl、 wth the addtion of an appropriate potentiometθ RMs input vdtage50/000Hz r and triac, 50∶ 250V Hysteresis ltˇ pi。 a刂 5% Total conduCtion anglθ oˉ 狃 咖 ∷ ˉ 40to+105℃ :23∷ 古 弓 0.,5‘ 50mA sˉ ,垆 姒 衄 stoCk no= 30ˉ 160° 帅"唧 Contro"ed conducuon angle Maximum gate current storage temperature 160°