BA157 thru BA159 Reverse Voltage 400 to 1000 Volts Fast Recovery Rectifiers Forward Current 1.0 Ampere Features Plastic package has Underwriters Laboratories Flammability Classification 94V-0 High surge current capability Void-free plastic package Fast switching for high efficiency High temperature soldering guaranteed: 350oC/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension TJ is 150oC (Max.) and TSTG is 175oC (Max.) with PI glue Mechanical Data Case: JEDEC DO-204AL (DO-41), molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.012 ounce, 0.33 gram Maximum Ratings and Electrical Characteristics Ratings at 25oC ambient temperature unless otherwise specified. Parameter Symbols BA157 BA158 BA159D BA159 Units Maximum repetitive peak reverse voltage VRRM 400 600 800 1000 Volts Maximum RMS voltage VRMS 280 420 560 700 Volts Maximum DC blocking voltage V DC 400 600 800 1000 Volts Maximum average forward rectified current 0.375" (9.5mm) lead length at TA=55oC IF(AV) 1.0 Amp Peak forward surge current 10ms single half sine-wave superimposed on rated load at TA=25oC IFSM 20.0 Amps Maximum instantaneous forward voltage at 1.0A VF 1.3 Volts Maximum DC reverse current at rated DC blocking voltage TA=25oC IR 5.0 uA Maximum reverse recovery time at IF=0.5A, IR=1.0A, Irr=0.25A trr Typical junction capacitance at 4.0V, 1MHz CJ 12 Maximum operation junction temperature TJ -55 to +125 o C TSTG -55 to +150 o C Maximum storage temperature 150 127 250 500 nS pF RATINGS AND CHARACTERISTIC CURVES (TA = 25oC unless otherwise noted) 128