STTH102 Datasheet 200 V - 1 A high efficiency ultrafast diode A Features K Very low conduction losses Negligible switching losses A Low forward voltage drop A High junction temperature ECOPACK 2 compliant K K Applications DO-41 SMA Switching diode LED Lighting Auxiliary power supply Flyback diode Description The STTH102 uses ST s new 200 V planar Pt doping technology, and it is specially suited for switching mode base drive and transistor circuits. Packaged in SMA and DO-41, the STTH102 is ideal for use as a free wheeling diode in power supplies and other power switching applications. Product status STTH102 Product summary Symbol Value I 1 A F(AV) V 200 V RRM T 175 C j(max.) V 0.68 V F(typ.) t 12 ns rr(typ.) DS2448 - Rev 6 - December 2018 www.st.com For further information contact your local STMicroelectronics sales office.STTH102 Characteristics 1 Characteristics Table 1. Absolute ratings (limiting values at 25 C, unless otherwise specified) Symbol Parameter Value Unit V Repetitive peak reverse voltage 200 V RRM T = 145 C SMA L I Average forward current = 0.5, square wave 1 A F(AV) DO-41 T = 130 C L SMA 40 I t = 10 ms sinusoidal Surge non repetitive forward current A FSM p DO-41 50 T Storage temperature range -65 to +175 C stg T Operating junction temperature +175 C j Table 2. Thermal resistance parameter Symbol Parameter Max. value Unit Junction to lead SMA 30 R C/W th(j-l) Junction to lead Lead length = 10 mm DO-41 50 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 - 1 j (1) V = V I Reverse leakage current A R R RRM T = 125 C - 1 25 j T = 25 C - 0.97 j (2) I = 1 A V Forward voltage drop V F F T = 125 C - 0.68 0.78 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 = 0.65 x I + 0.130 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 DS2448 - Rev 6 page 2/12