BYW178 SINTERED GLASS JUNCTION FAST AVALANCHE RECTIFIER VOLTAGE: 800V CURRENT: 3.0A FEATURE SOD-64 Glass passivated junction Low reverse current Soft recovery characteristics Very fast reverse recovery time Low reverse recovery peak current MECHANICAL DATA Case: SOD-64 sintered glass case Terminal: Plated axial leads solderable per MIL-STD 202E, method 208C Polarity: color band denotes cathode end Mounting position: any Dimensions in millimeters MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (single-phase, half-wave, 60HZ, resistive or inductive load rating at 25°C, unless otherwise stated) SYMBOL BYW178 units Maximum Recurrent Peak Reverse Voltage VRRM 800 V Maximum RMS Voltage VRMS 560 V Maximum DC blocking Voltage VDC 800 V Reverse Breakdown Voltage at IR =0. 1mA V(BR)R 1100min V Maximum Average Forward Rectified Current IF(AV) 3.0 A Peak Forward Surge Current at tp=10ms half sinewave IFSM 80 A Maximum Forward Voltage at rated Forward Current and 25°C Maximum DC Reverse Current Tj = 25°C at rated DC blocking voltage Tj = 100°C VF 1.90 V IR 1.0 20 µA µA Maximum Reverse Recovery Time (Note 1) Trr 60 nS Typical Thermal Resistance (Note 2) Rth(ja) 70 K/W Tstg, Tj -55 to +175 ℃ Storage and Operating Junction Temperature Note: 1. Reverse Recovery Condition IF = 0.5A, IR = 1.0A, IRR = 0.25A 2. on PC board with spacing 37.5mm Rev.A1 www.gulfsemi.com RATINGS AND CHARACTERISTIC CURVES BYW178 Rev.A1 www.gulfsemi.com