BYW178 3.0A Axial Leaded Sintered Glass Junction Fast Avalanche Rectifier Features · Glass passivated junction · Low reverse current B A · Soft recovery characteristics · Very fast reverse recovery time · Low reverse recovery peak current A C D DO-201AD Mechanical Data · Case:DO-201ADsintered glass case · Terminal: Plated axial leads solderable per MIL-STD 202E, method 208C · Polarity: color band denotes cathode end · Mounting position: any Maximum Ratings and Electrical Characteristics Dim Min Max A 25.40 ¾ B 7.20 9.50 C 1.20 1.30 D 4.80 5.30 All Dimensions in mm @ TA = 25°C unless otherwise specified Single phase, half wave, 60Hz, resistive or inductive load. 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 50 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 1 of 2 2of2