TRIMMERS Bourns Manufacturers Representatives Corporate Distributor Product Managers Americas Sales Team Asia Sales Team Europe Sales Team July, 2009 Bourns® Trimpot® Product Line TC73 Obsolescence Due to the significant decrease in demand, Bourns is phasing out model TC73. The TC73 is an open-frame trimming potentiometer with a carbon resistance element. The recommended replacement is model TC33. The TC33 is manufactured with a cermet resistance element and offers tighter electrical and environmental specifications. Orders for Model TC73 will be accepted until March 1, 2010. Last ship date will be April 1, 2010. Crosses to the replacement product are outlined below. Should your application require additional assistance, please contact Bourns’ techweb ([email protected]). TC73W-1-xxxE ........................... TC33X-2-xxxE TC73X-1-xxxE ............................ TC33X-2-xxxE TC73W-2-xxxE .......................... TC33X-1-xxxE TC73X-2-xxxE ........................... TC33X-1-xxxE TC73 3.10 (.122) 3.60 (.141) 1.80 (.070) 1.30 (.051) 2 1.90 (.075) 0.7 (.028) 3 1 TC33 1.5 (.059) 1.30 (.051) 0.80 (.031) 1.6 (.063) 3.6 (.142) 1.2 (.047) 2 1.25 (.049) 1.2 (.047) 1.25 (.049) 1.2 (.047) 1.20 (.047) 0.80 (.031) 3.8 (.150) 2.0 (.079) TC73 1 Best regards, Emill Melliz Product Line Manager Bourns® Trimpot® Product Line Resistive Products Division TC33 3 T0918