STTH803 High frequency secondary rectifier Datasheet - production data Features K A Combines highest recovery and reverse K voltage performance K Ultra-fast, soft and noise-free recovery K ECOPACK 2 compliant component for DPAK on demand A A Description K A NC Single fast recovery epitaxial diode suited for NC switch mode power supply and high frequency 2 TO-220AC D PAK DC/DC converters. Packaged in TO-220AC or 2 D PAK this device is especially intended for secondary rectification. Table 1: Device summary Symbol Value IF(AV) 8 A V 300 V RRM Tj (max) 175 C V (typ) 0.85 V F trr (max) 25 ns April 2015 DocID5375 Rev 10 1/13 www.st.com This is information on a product in full production. Characteristics STTH803 1 Characteristics Table 2: Absolute ratings (limiting values at 25 C, unless otherwise specified) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 300 V I Forward rms current 20 A F(RMS) IF(AV) Average forward current = 0.5, square wave TC = 150 C 8 A I Surge non repetitive forward current tp = 10 ms sinusoidal 100 A FSM Tstg Storage temperature range -65 to + 175 C T Maximum operating junction temperature + 175 C j Table 3: Thermal parameter Symbol Parameter Value Unit R Junction to case 2.5 C/W th(j-c) Table 4: Static electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit T = 25 C - 20 j (1) I Reverse leakage current V = 300 V A R R Tj = 125 C - 20 200 T = 25 C - 1.25 j (2) V Forward voltage drop I = 8 A V F F Tj = 125 C - 0.85 1 Notes: (1) Pulse test: t = 5 ms, < 2% p (2) Pulse test: t = 380 s, < 2% p To evaluate the conduction losses use the following equation: 2 P = 0.75 x IF(AV) + 0.031 IF (RMS) Table 5: Dynamic electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit I = 0.5 A, I = 0.25 A, I = 1 F rr R - 25 A trr Reverse recovery time Tj = 25 C ns IF = 1 A, dlF/dt = -50 A/s, - 35 VR = 30 V t Forward recovery time T = 25 C - 200 ns fr j IF = 8 A, dIF/dt = -100 A/s, Forward recovery VFR = 1.1 x VFmax V T = 25 C - 3.5 V FP j voltage S Softness factor T = 125 C - 0.3 factor j IF = 8 A, VCC = 200 V Reverse recovery dIF/dt = 200 A/s I T = 125 C - 8 A RM j current 2/13 DocID5375 Rev 10