BF421

® BF421 SMALL SIGNAL PNP TRANSISTOR PRELIMINARY DATA Ordering Code BF421 BF421-AP Marking Package / Shipment BF421 TO-92 / Bulk BF421 TO-92 / Ammopack s SILICON EPITAXIAL PLANAR PNP HIGH VOLTAGE TRANSISTOR s TO-92 PACKAGE SUITABLE FOR THROUGH-HOLE PCB ASSEMBLY s THE NPN COMPLEMENTARY TYPE IS )BF420 ct(sAPPLICATIONS us VIDEO AMPLIFIER CIRCUITS (RGB dCATHODE CURRENT CONTROL) ros TELEPHONE WIRELINE INTERFACE (HOOK lete PSWITCHES, DIALER CIRCUITS) TO-92 Bulk TO-92 Ammopack INTERNAL SCHEMATIC DIAGRAM Product(s) - ObsoABSOLUTE MAXIMUM RATINGS leteSymbol Parameter oVCBO Collector-Base Voltage (IE = 0) bsVCEO Collector-Emitter Voltage (IB = 0) O VEBO Emitter-Base Voltage (IC = 0) Value -300 -300 -5 Unit V V V IC Collector Current -500 mA ICM Collector Peak Current (tp < 5ms) Ptot Total Dissipation at TC = 25 oC Tstg Storage Temperature Tj Max. Operating Junction Temperature -600 830 -65 to 150 150 mA mW oC oC February 2003 1/5 BF421 THERMAL DATA Rthj-amb Ther...