ST8812FX High voltage fast-switching NPN Power transistor Features ■ High voltage capability ■ Very high switching speed ■ Tight hfe control ■ Large R.B.S.O.A. ■ Fully insulated Package U.L. compliant for easy mounting 3 2 1 Applications ■ ISOWATT218FX Switch mode power supplies for crt TV Description The ST8812FX is manufactured using latest Multi Epitaxial Planar technology with high voltage capability. It shows wide R.B.S.O.A. and high switching speed thanks to its Cellular Emitter structure with planar edge termination and deep base diffusion. Internal schematic diagram Order codes Part Number Marking Package Packing ST8812FX ST8812FX ISOWATT218FX TUBE March 2006 Rev 1 1/10 www.st.com 10 ST8812FX Electrical ratings 1 Electrical ratings Table 1. Absolute maximum rating Symbol Parameter Value Unit VCBO Collector-Base Voltage (IE = 0) 1150 V VCEO Collector-Emitter Voltage (IB = 0) 600 V VEBO Emitte-Base Voltage (IC = 0) 15 V Collector Current 7 A Collector Peak Current (tP < 5ms) 12 A Base Current 4 A PTOT Total dissipation at Tc = 25°C 50 W Visol Insulation Withstand Voltage (RMS) from All Three Leads to External Heatsink 2500 V TSTG Storage Temperature -65 to 150 °C 150 °C IC ICM IB TJ Table 2. Max. Operating Junction Temperature Thermal data Symbol Parameter Value Unit RthJ-case Thermal Resistance Junction-Case__________________ __Max 2.5 °C/W 2/10 ST8812FX 2 Electrical characteristics Electrical characteristics (TCASE = 25°C; unless otherwise specified) Table 3. Symbol Electrical characteristics Parameter ICES Collector Cut-off Current (V BE = 0) IEBO Emitter Cut-off Current (IC = 0) VCEO(sus) Collector-Emitter Note: 1 Sustaining Voltage (IB = 0) VCE(sat) Note: 1 VBE(sat) Note: 1 hFE ts tf Collector-Emitter Saturation Voltage Base-Emitter Saturation Voltage DC Current Gain INDUCTIVE LOAD Storage Time Fall Time Test Conditions Min. Typ. VCE = 1150V VCE = 1150V Tc= 125°C VEB = 14V IC = 100mA IC = 4A _____ Max. Unit 1 2 mA mA 1 mA 600 V IB = 0.8A IC = 4A ___ __ IB = 1.2A 3 1.5 V V IC = 4A ____ _ IB = 0.8A 1.3 V IC = 1A _____ VCE = 5V IC = 5A _____ VCE = 1V IC = 5A _____ VCE = 5V IC = 4A ____ _ RBB= 0 VClamp = 480V V BE(off) = -5V IB1 = 0.8A _ LC= 220µH 25 5 4.5 9 1 60 1.6 120 µs ns (See Figure 8) Note: 1 Pulsed duration = 300 µs, duty cycle ≤1.5%. 3/10 ST8812FX Electrical characteristics 2.1 Typical characteristics test circuit Figure 1. DC current gain Figure 3. Collector emitter saturation voltage Figure 4. Base emitter saturation voltage Figure 5. Inductive load storage time Inductive load fall time 4/10 Figure 2. Figure 6. DC current gain ST8812FX Figure 7. Electrical characteristics Reverse biased S.O.A. 5/10 Electrical characteristics Figure 8. 6/10 Inductive load switching test circuit ST8812FX ST8812FX 3 Package mechanical data Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect . The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. 7/10 ST8812FX Package mechanical data ISOWATT218FX MECHANICAL DATA DIM. A C D D1 E F F2 G G1 H L L2 L3 L4 L5 L6 L7 N R DIA MIN. 5.30 2.80 3.10 1.80 0.80 0.65 1.80 10.30 mm TYP. MAX. 5.70 3.20 3.50 2.20 1.10 0.95 2.20 11.50 MIN. 0.209 0.110 0.122 0.071 0.031 0.026 0.071 0.406 15.70 10.20 23.20 26.70 44.40 4.70 24.70 15.00 2.20 4.20 3.80 0.602 0.354 0.898 1.035 1.701 0.169 0.957 0.575 0.071 0.150 0.134 5.45 15.30 9.0 22.80 26.30 43.20 4.30 24.30 14.60 1.80 3.80 3.40 inch TYP. 0.215 - Weight : 5.6 g (typ.) - Maximum Torque (applied to mounting flange) Recommended: 0.55 Nm; Maximum: 1 Nm - The side of the dissipator must be flat within 80 µm 8/10 MAX. 0.224 0.126 0.138 0.087 0.043 0.037 0.087 0.453 0.618 0.402 0.913 1.051 1.748 0.185 0.972 0.591 0.087 0.165 0.150 ST8812FX 4 Revision History Revision History Table 4. Revision history Date Revision 23-Feb-2006 1 Changes Initial release. 9/10 ST8812FX Please Read Carefully: Information in this document is provided solely in connection with ST products. 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