STR1550

STR1550 High voltage fast-switching NPN power transistor 3 2 1 SOT-23 Figure 1. Internal schematic diagram Datasheet - production data Features Excellent hFE linearity up to 50 mA Miniature SOT-23 plastic package for surface mounting circuits Tape and reel packaging The PNP complementary type is STR2550 Applications LED driving Description This device is a high voltage fast-switching NPN power transistor, manufactured using diffused collector planar technology for high switching speeds. It employs a base island structure with planar edge termination to enhance switching speeds, while maintaining a wide RBSOA. Order code STR1550 Table 1. Device summary Marking Package 1550 SOT-23 Packing Tape and reel May 2014 This is information on a product in full production. DocID022364 Rev 5 1/9 www.st.com 9 Contents Contents STR1550 1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2/9 DocID022364 Rev 5 STR1550 1 Electrical ratings Electrical ratings Symbol Table 2. Absolute maximum rati...