STW3040

www.DataSheet4U.com STW3040 High voltage fast-switching NPN power transistor Preliminary Data Features ■ ■ ■ ■ . High voltage capability High DC current gain Minimum lot to lot spread for reliable operation Wide safe operating areas (forward and reverse biased) 3 2 1 Application ■ TO-247 Figure 1. Internal schematic diagram Switching mode power supplies Description The STW3040 is manufactured using diffused collector in planar technology adopting base island layout. The device is designed for use in SMPS and desktop power supply. Table 1. Device summary Marking W3040 Package TO-247 Packaging Tube Order code STW3040 December 2007 Rev 1 1/11 www.st.com 11 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. www.DataSheet4U.com Contents STW3040 Contents 1 2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 4 5 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....