As an Amazon Associate, we earn from qualifying purchases. Home » Zetex » ZTX313 Zetex . ZTX313 ZTX313 Transistor Silicon NPN - CASE: TO92S MAKE: Zetex Zetex . ZTX313 Attributes Brand name, Manufacturer name, ManufacturerZetex Distributor offers SellerSKUMOQIn stockMultiplePrices STLAA.comZTX313480 Little DiodeZTX3131711 @ $5.93