BA157 THRU BA159 1.0 AMP. Fast Recovery Rectifiers Features · Low forward voltage drop DO-41 · High current capability · High reliability · High surge current capability · Plastic material-UL flammability 94V-0 MIN. Mechanical Data DIA. · Case: Molded plastic DO-41 · Terminals: Plated leads solderable per MAX MIL-STD-202,Method 208 guaranteed · Polarity: Color band dentes cathode end DIA. · Mounting Position: Any MIN. · Making: Type Number · Lead Free: For RoHS/Lead Free Version Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25℃ ambient temperature unless otherwise specified Single phase,half wave,60Hz,resistive or inductive load For capacitive load derate current by 20% Type Number SYMBOL BA157 BA158 BA159 Unit Maximum Recurrent Peak Reverse Voltage VRRM 400 600 1000 V Maximum RMS Voltage VRMS 280 420 700 V Maximum DC Blocking Voltage VDC 400 600 1000 V Average Rectified Output Current (Note 1) @TA =55 ℃ IO 1.0 A Peak Forward Surge Current 8.3ms Single half sine-wave superimposed on rated load (JEDEC Method) IFSM 30 A Forward Voltage VFM 1.2 V @IF=1.0A Peak Reverse Current @TA =25℃ At Rated DC Blocking Voltage @TA =125 ℃ 5.0 IR uA 100 150 Maximum Reverse Recovery Time ( Note 2 ) TRR Typical Junction Capacitance (Note 3) CJ 12 pF Operating Temperature Range TJ -55 to + 125 ℃ TSTG -55 to + 150 ℃ Storage Temperature Range 250 nS Note: 1. Leads maintained at ambient temperature at a distance of 9.5mm from the case 2. Reverse Recovery Test Conditions: IF=0.5A, IR=1A, Irr=0.25A. 3. Measured at 1.0 MHz and Applied reverse Voltage of 4.0V D.C version:01 1of2 www.dyelec.com BA157 THRU BA159 FIG.2- TYPICAL FORWARD CHARACTERISTICS FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 20 10 INSTANTANEOUS FORWARD CURRENT. (A) AVERAGE FORWARD CURRENT. (A) 1.0 0.75 0.5 Single Phase Half Wave 60Hz Resistive or Inductive Load .375"(9.5mm) Lead Length 0.25 TA =25 oC Pulse Width=300 s 1% Duty Cycle 3 1 0.3 0.1 0 0 25 50 75 100 125 150 175 o AMBIENT TEMPERATURE. ( C) 0.03 0.01 0.4 0.6 0.8 1.0 1.2 1.6 1.4 1.8 FORWARD VOLTAGE. (V) FIG.3- MAXIMUM NON-REPETITIVE PEAK FORDWARD FIG.4- TYPICAL JUNCTION CAPACITANCE SURGE CURRENT 90 60 JUNCTION CAPACITANCE.(pF) PEAK FORWARD SURGE CURRENT. (A) 70 8.3ms Single Half Sine Wave JEDEC Method 50 40 30 20 50 30 20 TJ =250C 10 10 1 0 1 2 4 6 10 40 100 NUMBER OF CYCLES AT 60Hz version:01 1 2 4 6 10 20 40 60 REVERSE VOLTAGE. (V) 2of2 www.dyelec.com 100