STPS40170C-Y Datasheet Automotive high voltage power Schottky rectifier Features A1 K AEC-Q101 qualified A2 High junction temperature capability K Low leakage current Good trade-off between leakage current and forward voltage drop Low thermal resistance A2 A1 High frequency operation DPAK Avalanche specification Description Dual center tab Schottky rectifier suited for high frequency switched mode power supplies. Packaged in DPAK, the STPS40170C-Y is used to enhance the reliability in automotive applications, and more precisely in DC/DC converters in hybrid and electrical vehicles. Product status link STPS40170C-Y Product summary Symbol Value I 2 x 20 A F(AV) V 170 V RRM T 175 C j V (max.) 0.75 V F DS6956 - Rev 2 - April 2018 www.st.com For further information contact your local STMicroelectronics sales office.STPS40170C-Y Characteristics 1 Characteristics Table 1. Absolute ratings (limiting values at 25 C, unless otherwise specified, per diode) Symbol Parameter Value Unit V Repetitive peak reverse voltage, T = -40 C to +175 C 170 V RRM j I Forward rms current 60 A F(RMS) T = 150 C, = 0.5 Per diode 20 c I Average forward current A F(AV) T = 145 C, = 0.5 Per device 40 c I Surge non repetitive forward current t = 10 ms sinusoidal 250 A FSM p P Repetitive peak avalanche power t = 10 s, T = 125 C 1015 W ARM p j T Storage temperature range -65 to +175 C stg (1) T Operating junction temperature range -40 to +175 C j 1. (dP /dT ) < (1/R ) condition to avoid thermal runaway for a diode on its own heatsink. tot j th(j-a) Table 2. Thermal resistance parameters Symbol Parameter Max. value Unit Per diode 1.20 R Junction to case th(j-c) Total 0.85 C/W R Coupling 0.50 th(c) When the diodes 1 and 2 are used simultaneously : T (diode 1) = P(diode1) x R (per diode) + P(diode 2) x R j th(j-c) th(c) Table 3. Static electrical characteristics (per diode) Symbol Parameter Test conditions Min. Typ. Max. Unit T = 25 C - 30 A j (1) I V = V Reverse leakage current R R RRM T = 125 C - 7 30 mA j T = 25 C - 0.92 j I = 20 A F T = 125 C - 0.69 0.75 j (2) V Forward voltage drop V F T = 25 C - 1.00 j I = 40 A F T = 125 C - 0.79 0.86 j 1. Pulse test: tp = 5 ms, < 2% 2. Pulse test: t = 380 s, < 2% p To evaluate the conduction losses, use the following equation: 2 P = 0.64 x I + 0.0055 x I F(AV) F (RMS) DS6956 - Rev 2 page 2/9