MOTOROLA SEMICONDUCTOR TECHNICAL DATA Silicon Epicap Diodes Designed for general frequency control and tuning applications; providing solid state reliability in replacement of mechnaical tuning methods. High Q with Guaranteed Minimum Values at VHF Frequencies Controlled and Uniform Tuning Ratio Available in Surface Mount Package 31 Cathode Anode SC 70/SOT 323 31 Cathode Anode SOT 23 21 Cathode Anode TO 92 MAXIMUM.