CE BA157 THRU BA159 CHENYI ELECTRONICS FAST RECOVERY RECTIFIER Reverse Voltage - 400 to 1000 Volts Forward Current - 1.0Ampere FEATURES . Plastic package has Underwrites Laboratory Flammability Classification 94V-0 . Fast switching speed . Diffused junction . High current capability . High temperature soldering guaranteed: 250 /10 seconds, 0.375"(9.5mm)lead length,5lbs.(2.3kg)tension MECHANICAL DATA . Case: JEDEC 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 25 ambient temperature unless otherwise specified,Single phase,half wave 60Hz,resistive or inductive) load. For capacitive load,derate current by 20%) Symbols BA157 BY158 BA159 Units Maximum repetitive peak reverse voltage VRRM 400 600 1000 Volts Maximum RMS voltage VRMS 280 420 700 Volts Maximum DC blocking voltage VDC 400 600 100 Volts Macimum average forward rectified I(AV) 1.0 Amp IFSM 35.0 Amps VF 1.3 Volts IR 5.0 A current 0.375"(9.5mm)lead length at TA=75 Peak forward surge current 8.3ms sing-wave superimposed on rated load (JEDEC method)TA=75 Maximum instantaneous forward voltage at 1.0 A Maximum DC Rreverse Current at rated DC blocking voltage TA=25 Maximum reverse recovery time(Note 1) Trr R Maximum thermal resistance Typical junction Capacitance(Note 2) Operating and storage temperature range 150 JA 250 60 CJ 6.0 TJ TSTG -65 to +125 ns /W pF Notes: 1.Test conditions:IF=0.5A,IR=1.0A,Irr=0.25A. 2.Measured at 1MHz and applied reverse voltage of 4.0V Volts Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 1 of 2 CE BA157 THRU BA159 CHENYI ELECTRONICS FAST RECOVERY RECTIFIER Reverse Voltage - 400 to 1000 Volts Forward Current - 1.0Ampere RATINGS AND CHARACTERISTIC CURVES BA157 THRU BA159 FIG.1 TYPICAL INSTANTANEOUS FORWARD FLG.2-TYPICAL FORWARD CURRENT CHARACTERISTICS DERATING CURVE FIG.3-TYPICAL THERMAL IMPEDANCE FIG.4-TYPICAL JUNCTION CAPACITANCE Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 2 of 2