BA157 TH R U BA159 R FAST RECOVERY RECTIFIER Reverse Voltage: 400 to 1000 Volts Forward Current:1.0Ampere S E M I C O N D U C T O R DO-41 FEATURES Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Diffused junction 1.0(25.4) MIN High current capability 0.107(2.7) 0.080(2.0) DIA. High temperature soldering guaranteed:260°C/10 seconds at terminals, Component in accordance to RoHS 2011/65/EU 0.205(5.20) 0.161(4.10) MECHANICAL DATA Case: JEDEC DO-41 molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750,method 2026 1.0(25.4) MIN Polarity: Color band denotes cathode end 0.034(0.85) 0.026(0.65) DIA. Mounting Position: Any Weight: 0.012ounce, 0.33 gram Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (Rating at 25°C ambient temperature unless otherwise specified.Single phase ,half wave ,60HZ,resistive or inductive load. For capacitive load,derate current by 20%.) Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Symbols BA157 BA158 BA159 Units VRRM VRMS VDC 400 600 1000 280 420 700 400 600 1000 Volts Volts Volts Maximum Average Forward Rectified Current load length at TA=50 °C I(AV) 1.0 Amps Peak Forward Surge Current 10ms single half sine-wave superimposed on rated load IFSM 30 Amps VF 1.3 Volts Maximum Instantaneous Forward Voltage at 1.0 A Maximum DC Reverse Current at rated DC blocking voltage TA=25°C 5.0 IR μA TA=100°C Maximum reverse recovery time(Note1) Max.thermal resistance(Note 2) Typical junction capacitance(Note 3) Operating junction and storage temperature range 100 trr RθJA CJ 150 TJ TSTG 250 ns 65 °C/W 15 pF -55 to+150 °C Note: 1.Test conditions: IF=0.5A,IR=1.0A,Irr=0.25A. 2.Mount on Cu-Pad size 5mmx5mm on P.C.B. 3.Measured at 1MHZ and applied reverse voltage of 4.0 Volts D.C. JINAN JINGHENG ELECTRONICS CO., LTD. 2-1 HTTP://WWW.JINGHENGGROUP.COM RATINGS AND CHARACTERISTIC CURVES BA157 THRU BA159 FIG.2-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE Single Phase Half Wave 60Hz Resistive or Inductive Load .375”(9.5mm) Lead Length 1.5 PEAK FORWARD SURGE CURRENT(AMPERES) AVERAGE FORWARD CURRENT (A) 2.0 1.0 0.5 0 60 40 30 20 10 0 0 2.5 75 50 100 125 150 175 1 2 6 4 10 40 100 NUMBER OF CYCLES AT 60Hz AMBIENT TEMPERATURE (°C) FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL JUNCTION CAPACTIANCE 20 60 10 JUNCTION CAPACITANCE(pF) INSTANTANEOUS FORWARD CURRENT( AMPERES) 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 50 3 1 0.3 0.1 40 20 Tj=25°C 10 TJ=25°C Pulse Width=300μs 1% Duty Cycle 0.03 1 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2 4 6 10 20 40 REVERSE VOLTAGE (V) INSTANTANEOUS FORWARD VOLTAGE (VOLTS) FIG.5-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC NONINDUCTIVE D.U.T. (+) +0.5A PULSE GENERATOR (NOTE2) 50Vdc (ADJUSTABLE) (-) trr NONINDUCTIVE 0 -0.25A 1 NONINDUCTIVE OSCILLOSCOPE (NOTE1) NOTES:1.Rise Time=7ns max. input lmpedance=1 megohm 22pF 2.Rise Time=10ns max. source lmpedance= 50 ohms JINAN JINGHENG ELECTRONICS CO., LTD. -1.0A 1cm SET TIME BASE FOR 50/100 ns/cm 2-2 HTTP://WWW.JINGHENGGROUP.COM 60 100