BA157G THRU BA159G 1.0 AMP. Glass Passivated Fast Recovery Rectifiers Voltage Range 400 to 1000 Volts Current 1.0 Ampere DO-41 Features Low forward voltage drop High current capability High reliability High surge current capability Mechanical Data Cases: DO-41 Molded plastic Epoxy: UL 94V-0 rate flame retardant Lead: Axial leads, solderable per MILSTD-202, Method 208 guaranteed Polarity: Color band denotes cathode end High temperature soldering guaranteed: 260℃/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs.,(2.3kg) tension Weight: 0.34 gram Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25℃ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol Type Number BA157G Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375”(9.5mm) Lead Length @TA = 45℃ Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 1.0A Maximum DC Reverse Current @ TA=25℃ at Rated DC Blocking Voltage @ TA=100℃ Maximum Reverse Recovery Time ( Note 1 ) VRRM VRMS VDC 400 280 400 BA158G 600 420 600 Typical Thermal Resistance ( Note 3 ) Units V V V I(AV) 1.0 A IFSM 30 A VF 1.2 V IR 5.0 100 uA uA nS pF Trr 150 15 60 Operating Temperature Range TJ -65 to +150 Storage Temperature Range TSTG -65 to +150 Notes: 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 Volts D.C. 3. Mount on Cu-Pad Size 5mm x 5mm on P.C.B. Typical Junction Capacitance ( Note 2 ) BA159G 1000 700 1000 250 Cj RθJA - 438 - O C/W ℃ ℃ RATINGS AND CHARACTERISTIC CURVES (BA157G THRU BA159G) FIG.2- MAXIMUM NON-REPETITIVE PEAK FORDWARD SURGE CURRENT FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 70 PEAK FORWARD SURGE CURRENT. (A) AVERAGE FORWARD CURRENT. (A) 2.0 1.5 1.0 Single Phase Half Wave 60Hz Resistive or Inductive Load .375"(9.5mm) Lead Length 0.5 0 60 8.3ms Single Half Sine Wave JEDEC Method 50 40 30 20 10 0 0 25 50 75 100 125 150 175 1 2 o AMBIENT TEMPERATURE. ( C) 4 6 10 40 100 NUMBER OF CYCLES AT 60Hz FIG.4- TYPICAL JUNCTION CAPACITANCE FIG.3- TYPICAL FORWARD CHARACTERISTICS 20 100 JUNCTION CAPACITANCE.(pF) INSTANTANEOUS FORWARD CURRENT. (A) 10 3.0 1.0 Tj=25oC Pulse Width=300 s 1% Duty Cycle 0.3 60 40 20 Tj=25 0C 10 0.1 1 2 4 6 10 20 REVERSE VOLTAGE. (V) .03 .01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 FORWARD VOLTAGE. (V) FIG.5- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50W NONINDUCTIVE 10W NONINDUCTIVE trr +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) 0 -0.25A (+) NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms - 439 - -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm 40 60 100