ST 2stf1340 free download

File name 2stf1340.pdf

2STF1340 Low voltage fast-switching NPN power transistor Features Very low collector-emitter saturation voltage High current gain characteristic 4 Fast switching speed 3 2 Applications 1 LED SOT-89 Motherboard & hard disk drive Mobile equipment DC-DC converter Figure 1. Internal schematic diagram Description The 2STF1340 is a NPN transistor manufactured using new "PB-HCD" (power bipolar high current density) technology. The resulting transistor shows exceptional high gain performances coupled with very low saturation voltage. The complementary PNP is the 2STF2340. Table 1. Device summary Order code Marking Package Packaging 2STF1340 1340 SOT-89 Tape and reel October 2009 Doc ID 12796 Rev 2 1/10 www.st.com 10 Electrical ratings 2STF1340 1 Electrical ratings Table 2. Absolute maximum ratings Symbol Parameter Value Unit VCES Collector-emitter voltage (VBE = 0) 40 V VCEO Collector-emitter voltage (IB = 0) 40 V VEBO Emitter-base voltage (IC = 0) 5 V IC Collector current 3 A ICM Collector peak current (tP < 5 ms) 6 A Ptot Total dissipation at Tamb = 25