STPS24045 Datasheet 45 V power Schottky rectifier A1 K1 Features Very small conduction losses A2 K2 Extremely fast switching Low thermal resistance A1 Insulated package ISOTOP: K1 Insulated voltage: 2500 V sine RMS Avalanche capability A2 ECOPACK 2 compliant K2 TM ISOTOP Applications Switching diode DC/DC converter Industrial Heavy duty application Description Dual power Schottky rectifier suited for SMPS and high frequency DC to DC converters. Packaged in ISOTOP, the STPS24045 is especially intended for use in low voltage, high frequency inverters, free wheeling and polarity protection applications. Product status link Note: ISOTOP is an ST trademark STPS24045 Product summary I 2 x 120 A F(AV) V 45 V RRM V (typ.) 0.52 V F T (max.) 150 C j DS0753 - Rev 4 - September 2018 www.st.com For further information contact your local STMicroelectronics sales office.STPS24045 Characteristics 1 Characteristics Table 1. Absolute ratings (limiting values, per diode at T = 25 C, unless otherwise specified) amb Symbol Parameter Value Unit V Repetitive peak reverse voltage 45 V RRM I Forward rms current 170 A F(RMS) T = 80 C Per diode 120 C I Average forward current, = 0.5, square wave A F(AV) T = 70 C Per device 240 C I t = 10 ms sinusoidal Surge non repetitive forward current 1500 A FSM p P t = 10 s, T = 125 C Repetitive peak avalanche power 3096 W ARM p j T Storage temperature range -55 to +150 C stg (1) T Maximum operating junction temperature 150 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 0.65 R Junction to case th(j-c) Total 0.38 C/W R Coupling 0.10 th(c) When the diodes 1 and 2 are used simultaneously: T (diode1) = P x R + P x R j (diode1) th(j-c) (per diode) (diode2) th(c) For more information, please refer to the following application note: AN5088 : Rectifiers thermal management, handling and mounting recommendations Table 3. Static electrical characteristics (per diode) Symbol Parameter Test conditions Min. Typ. Max. Unit T = 25 C - 2 j (1) I V = V Reverse leakage current mA R R RRM T = 125 C - 300 j T = 25 C - 0.91 j I = 240 A F (2) V Forward voltage drop T = 125 C - 0.72 0.87 V F j T = 125 C I = 120 A - 0.52 0.67 j F 1. Pulse test: t = 5 ms, < 2% p 2. Pulse test: t = 380 s, < 2% p To evaluate the maximum conduction losses, use the following equation: 2 P = 0.47 x I + 0.00167 x I F(AV) F (RMS) For more information, please refer to the following application notes related to the power losses: AN604: Calculation of conduction losses in a power rectifier AN4021: Calculation of reverse losses on a power diode DS0753 - Rev 4 page 2/9