STTH208 STMicroelectronics

STTH208 Datasheet 2 A, 800 V ultrafast recovery diode A Features K Low forward voltage drop High reliability A High surge current capability A Soft switching for reduced EMI disturbances Planar technology K ECOPACK compliant K Applications DO-15 SMB Switching diode Power swiching applications Description The STTH208, which is using ST ultrafast high voltage planar technology, is specially suited for free-wheeling, clamping, snubbering, demagnetization in power supplies and other power switching applications. Product status STTH208 Product summary Symbol Value I F(AV) 2 A V 800 V RRM T 175 C j(max.) V 0.89 V F(typ.) trr(max.) 75 ns DS3068 - Rev 2 - April 2020 www.st.com For further information contact your local STMicroelectronics sales office.STTH208 Characteristics 1 Characteristics Table 1. Absolute ratings (limiting values at 25 C, unless otherwise specified) Symbol Parameter Value Unit V Repetitive peak reverse voltage 800 V RRM V RMS voltage 560 V RMS T = 60 C DO-15 L I Average forward current = 0.5, square wave 2 A F(AV) T = 100 C SMB L DO-15 45 A I Surge non repetitive forward current t = 8.3 ms sinusoidal FSM p SMB 35 T Storage temperature range -50 to +175 C stg T Maximum operating junction temperature +175 C j Table 2. Thermal resistance parameter Symbol Parameter Max. value Unit Junction to lead SMB 25 R th(j-l) Junction to lead 40 C/W Lead length = 10 mm on infinite heatsink DO-15 R Junction to ambient 110 th(j-a) For more information, please refer to the following application note : AN5088 : Rectifiers thermal management, handling and mounting recommendations Table 3. Static electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit T = 25 C - 5 A j (1) I Reverse leakage current V = 800 V R R T = 125 C - 5 50 A j T = 25 C - 1.65 j (2) V I = 2 A Forward voltage drop F V F T = 150 C - 0.89 1.25 j 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 = 0.5 x I + 0.10 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 DS3068 - Rev 2 page 2/10