STF715 STMicroelectronics

STF715 STN715 NPN low voltage transistors Features Low voltage small devices for surface mounting 4 High ruggedness 4 3 3 2 2 1 Applications 1 Voltage regulation Relay driver SOT-89 SOT-223 Generic switch Description Figure 1. Internal schematic diagram Both STF715 and STN715 are NPN transistors manufactured using planar technology. They are housed in surface mounting power packages. Table 1. Device summary Order codes Marking Packages Packaging STF715 715 SOT-89 Tape and reel STN715 N715 SOT-223 Tape and reel February 2010 Doc ID 8707 Rev 2 1/8 www.st.com 8Electrical ratings STF715, STN715 1 Electrical ratings Table 2. Absolute maximum ratings Symbol Parameter Value Unit V Collector-base voltage (I = 0) 140 V CBO E V Collector-emitter voltage (I = 0) 80 V CEO B V Emitter-base voltage (I = 0) 5 V EBO C I Collector current 1.5 A C I Collector peak current (t < 5 ms) 2 A CM P I Base current 0.3 A B I Base peak current (t < 5 ms) 0.6 A BM P Total dissipation at T = 25 C for STF715 1.4 W amb P TOT Total dissipation at T = 25 C for STN715 1.6 W amb T Storage temperature -65 to 150 C STG T Max. operating junction temperature 150 C J Table 3. Thermal data Symbol Parameter SOT-89 SOT-223 Unit (1) R Thermal resistance junction-ambient max 89 78 C/W thJA 1. Device mounted on PCB area of 1 cm 2/8 Doc ID 8707 Rev 2