STPS4045C-Y Automotive power Schottky rectifiers Datasheet - production data Description A1 This dual center tap Schottky rectifier is suited for K switch mode power supply and high frequency A2 DC to DC converters. Packaged in TO-247 this device is intended for use in low voltage, high frequency inverters, free wheeling and polarity protection for automotive applications. Table 1. Device summary A2 K Symbol Value A1 I 2 x 20 A TO-247 F(AV) STPS4045CWY V 45 V RRM T 175 C j (max) V 0.63 V F (max) Features Very small conduction losses Negligible switching losses Extremely fast switching Low thermal resistance Avalanche capability specified AEC-Q101 qualified December 2013 DocID17952 Rev 1 1/8 This is information on a product in full production. www.st.comCharacteristics STPS4045C-Y 1 Characteristics Table 2. Absolute ratings (limiting values, per diode) Symbol Parameter Value Unit V Repetitive peak reverse voltage 45 V RRM I Forward rms current 30 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 220 A FSM p I Repetitive peak reverse current t = 2 s square F=1 kHz 1A p RRM t = 100 s square I Non repetitive peak reverse current 3A p RSM t = 1 s T = 25 C P Repetitive peak avalanche power 6000 W p j ARM T Storage temperature range -65 to + 175 C stg (1) T Operating junction temperature -40 to + 175 C j dV/dt Critical rate of rise reverse voltage 10000 V/s 1 dPtot < 1. condition to avoid thermal runaway for a diode on its own heatsink Rth(j-a) dTj Table 3. Thermal resistances Symbol Parameter Value Unit Per diode 1.5 R Junction to case th (j-c) Total 0.8 C/W R Coupling 0.1 th (c) When the diodes 1 and 2 are used simultaneously: T (diode 1) = P(diode1) x R (Per diode) + P(diode2) x R j th(j-c) th(c) 2/8 DocID17952 Rev 1