BA158

BA157 - BA159 PRV : 400 - 1000 Volts Io : 1.0 Ampere FEATURES : * * * * * * High current capability High surge current capability High reliability Low reverse current Low forward voltage drop Fast switching for high efficiency FAST RECOVERY RECTIFIER DIODES DO - 41 1.00 (25.4) MIN. 0.107 (2.7) 0.080 (2.0) 0.205 (5.2) 0.166 (4.2) MECHANICAL DATA : * Case : DO-41 Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.34 gram 0.034 (0.86) 0.028 (0.71) 1.00 (25.4) MIN. Dimensions in inches and ( millimeters ) Rating at 25 °C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATING Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Current 0.375"(9.5mm) Lead Length Peak Forward Surge Current, 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Maximum Peak Forward Voltage at IF = 1.0 Amp. Maximum DC Reverse Current at Rated DC Blocking Voltage Ta = 25 °C Ta = 100 °C Ta = 45 °C SYMBOL VRRM VRMS VDC IF(AV) BA157 400 280 400 BA158 600 420 600 1.0 BA159 1000 700 1000 UNIT V V V A IFSM VF IR IR(H) Trr 35 1.3 5.0 100 150 20 - 65 to + 150 - 65 to + 150 250 A V µA µA ns pf °C °C Maximum Reverse Recovery Time ( Note 1 ) Typical Junction Capacitance ( Note 2 ) Junction Temperature Range Storage Temperature Range CJ TJ TSTG Notes : ( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A. ( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC Page 1 of 2 Rev. 01 : Apr. 2, 2002 RATING AND CHARACTERISTIC CURVES ( BA157 - BA159 ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 Ω 10 Ω + 0.5 A D.U.T. 50 Vdc (approx.) 1Ω PULSE GENERATOR ( NOTE 2 ) OSCILLOSCOPE ( NOTE 1 ) 0 - 0.25 A Trr + - 1.0 A SET TIME BASE FOR 50-100 ns/cm NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF. 2. Rise time = 10 ns max., Source Impedance = 50 ohms. 3. All Resistors = Non-inductive Types. 1 cm FIG.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 1.0 35 FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES 8.3 ms SINGLE HALF SINE WAVE 28 Ta = 50 °C AVERAGE FORWARD OUTPUT CURRENT, AMPERES 0.8 0.6 21 0.4 14 0.2 RESISTIVE OR INDUCTIVE LOAD 0 0 25 50 75 100 125 150 175 7 0 1 2 4 6 10 20 40 60 100 AMBIENT TEMPERATURE, ( °C) FIG.4 - TYPICAL FORWARD CHARACTERISTICS REVERSE CURRENT, MICROAMPERES FORWARD CURRENT, AMPERES 20 10 Pulse Width = 300 µs 2% Duty Cycle 1.0 NUMBER OF CYCLES AT 60Hz FIG.5 - TYPICAL REVERSE CHARACTERISTICS 10 TJ = 100 °C 1.0 TJ = 25 °C 0.1 0.1 TJ = 25 °C 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0.01 0 20 40 60 80 100 120 140 FORWARD VOLTAGE, VOLTS PERCENT OF RATED REVERSE VOLTAGE, (%) Page 2 of 2 Rev. 01 : Apr. 2, 2002