BA157

BA157 - BA159 1.0 AMP. Fast Recovery Rectifiers DO-41 Features H igh efficiency, Low VF H igh current capability H igh reliability H igh surge current capability Low power loss. M echanical Data C ases: DO-41 Molded plastic E poxy: UL 94V-0 rate flame retardant Lead: Pure tin plated, Lead free., solderable per MIL-STD-202, Method 208 guaranteed P olarity: Color band denotes cathode end H igh temperature soldering guaranteed: 260oC/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs.,(2.3kg) tension W eight: 0.34 gram Dimensions in inches and (millimeters) M aximum Ratings and Electrical Characteristics R ating at 25 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Type Number M aximum Recurrent Peak Reverse Voltage M aximum RMS Voltage M aximum DC Blocking Voltage M aximum Average Forward Rectified Current o .375”(9.5mm) Lead Length @T A = 45 C Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) M aximum Instantaneous Forward Voltage @ 1.0A M aximum DC Reverse Current @ T A=25 oC at Rated DC Blocking Voltage @ TA=125 oC Maximum Reverse Recovery Time ( Note 1 ) Typical Junction Capacitance ( Note 2 ) Typical Thermal Resistance O perating Temperature Range Symbol VRRM VRMS VDC I(AV) IFSM VF IR Trr Cj R θJA TJ TSTG B A157 400 280 400 BA158 600 420 600 1.0 30 1.2 5.0 150 150 10 65 -65 to +150 -65 to +150 BA159 1000 700 1000 U nits V V V A A V uA uA nS pF o 250 Storage Temperature Range 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A N otes: 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. C/W o C o C Version: A06 RATINGS AND CHARACTERISTIC CURVES (BA157 THRU BA159) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 1.0 1000 FIG.2- TYPICAL REVERSE CHARACTERISTICS PER LEG AVERAGE FORWARD CURRENT. (A) INSTANTANEOUS REVERSE CURRENT. ( A) 0.75 100 Tj=125 0C 0.5 0.25 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length 0 25 50 75 100 o 10 Tj=75 0C 0 125 150 175 AMBIENT TEMPERATURE. ( C) 1.0 Tj=25 0C 70 FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT. (A) 60 50 40 30 20 0.1 8.3ms Single Half Sine Wave JEDEC Method 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) FIG.5- TYPICAL FORWARD CHARACTERISTICS 20 10 10 0 1 2 4 6 10 40 100 NUMBER OF CYCLES AT 60Hz Tj=25oC Pulse Width=300 s 1% Duty Cycle INSTANTANEOUS FORWARD CURRENT. (A) 3.0 FIG.4- TYPICAL JUNCTION CAPACITANCE 90 1.0 JUNCTION CAPACITANCE.(pF) 50 0.3 30 20 0.1 Tj=25 0C 10 0.03 1 1 2 4 6 10 20 REVERSE VOLTAGE. (V) 40 60 100 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 FORWARD VOLTAGE. (V) FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 NONINDUCTIVE 10 NONINDUCTIVE +0.5A DUT (-) PULSE GENERATOR (NOTE 2) NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr (+) 50Vdc (approx) (-) NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm Version: A06