SGSIF444

SGSIF344 SGSIF444 HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTORS s s s s SGSIF344 IS SGS-THOMSON PREFERRED SALESTYPE HIGH VOLTAGE CAPABILITY VERY HIGH SWITCHING SPEED LOW BASE-DRIVE REQUIREMENTS APPLICATIONS: s SWITCH MODE POWER SUPPLIES s HORIZONTAL DEFLECTION FOR COLOUR TVS AND MONITORS DESCRIPTION The SGSIF344 and SGSIF444 are manufactured using Multiepitaxial Mesa technology for cost-effective high performance and uses a Hollow Emitter structure to enhance switching speeds. These transistors are available in ISOWATT220 and ISOWATT218 plastic package respectively. The SGSF series is designed for high speed switching applications such as power supplies and horizontal deflection circuits in TVs and monitors. 3 1 2 1 3 2 ISOWATT220 ISOWATT218 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symb ol V CES V CEO VEBO IC I CM IB I BM P tot T s tg Tj June 1997 Parameter SGSIF344 Collector-Emitter Voltage (VBE = 0) Collector-Emitter Voltage (IB = 0) Emitter-Base Voltage (IC = 0) Collector Current Collector Peak Current (tp < 5 ms) Base Current Base Peak Current (tp < 5 ms) o T otal Dissipation at Tc = 25 C Storage Temperature Max. Operating Junction T emperature 1200 600 7 7 12 5 8 40 -65 to 150 150 50 Valu e SGSIF 444 V V V A A A A W o o Un it C C 1/7 SGSIF344 / SGSIF444 THERMAL DATA ISOW AT T220 ISOW AT T218 R t hj-ca se Thermal Resistance Junction-case Max 3.12 2.5 o o C/W C/W ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified) Symb ol I CE...