FAST RECOVER RECTIFIER VOLTAGE RANGE CURRENT BA157 THRU BA159 400 to 1000 Volts 1.0 Ampere DO-41 FEATURES • • • • • Low coat construction Fast switching for high efficency. Low reverse leakage High forward surge current capability High temperature soldering guaranteed: 260℃/10 secods/.375”(9.5mm)lead length at 5 lbs(2.3kg) tension .034(0.9) .028(0.7) 1.0(25.4) MIN. .205(5.2) .160(4.2) MECHANICAL DATA • • • • • • DIA. .107(2.7) DIA. .080(2.0) Case: Transfer molded plastic Epoxy: UL94V-O rate flame retardant Polarity: Color band denotes cathode end Lead: Plated axial lead, solderable per MIL-STD-202E method 208C Mounting position: Any Weight: 0.012 ounce, 0.33 grams 1.0(25.4) MIN. Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS • • • Ratings at 25OC ambient temperature unless otherwise specified Single Phase, half wave, 60Hz, resistive or inductive load For capacitive load derate current by 20% SYMBOLS VRRM VRMS VDC Maximum Repetitive Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current 0.375”(9.5mm) lead length at T A= 75℃ Peak Forward Surge Current 8.3mS single half sine wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage @ 1.0A Maximum DC Reverse Current at Rated DC Blocking Voltage TA = 25℃ TA = 100℃ Maximum Reverse Recovery Time (Note 3) T J=25℃ Typical Junction Capacitance (Note 1) BA157 400 280 400 BA158 600 420 600 BA159 1000 700 1000 UNITS Volts Volts Volts I(AV) 1.0 Amp IFSM 30 Amps VF 1.3 5.0 100 250 15 Volts IR trr CJ 150 µA 500 ns pF Typical Thermal Resistance (Note 2) RθJA 50 ℃/W Operating Junction Temperature Range TJ TSTG (-55 to +150) (-55 to +150) ℃ Storage Temperature Range Notes: 1.Measured at 1.0MHz and Applied Reverse Voltage of 4.0Volits. 2 Thermal Resistance from junction to Ambient at .375”(9.5mm)lead length, P.C.board mounted. 3.Reverse Recovery Test Conditions:If=0.5A,Ir=1.0A,Irr=0.25A Web Site: www.hkmic.com ℃ FAST RECOVER RECTIFIER VOLTAGE RANGE CURRENT BA157 THRU BA159 400 to 1000 Volts 1.0 Ampere RATING AND CHRACTERISTIC CURVES BA157 THRU BA159 FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE 30 0.8 0.6 0.4 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.2 0.375"(9.5mm) Lead Length 0 0 25 125 100 75 50 (JEDEC Method) Tj=Tjmax 20 10 0 175 150 8.3ms Single Half Sine-Wave CURRENT, (A) PEAK FORWARD SURGE 1.0 (A) AVERAGE FORWARD CURRENT, 1.2 2 1 INSTANTANEOUS REVERSE CURRENT, (mA) 10 1.0 0.1 Tj =25° C Pulse Width=300us 1% Duty Cycle 1.2 1.4 1.6 1.8 40 20 60 80 100 10 T j =100° C 1.0 Tj =25° C 0.1 0 1.0 10 100 20 (A) INSTANTANEOUS FORWARD CURRENT, FORWARD CHARACTERISTICS 0.8 8 FIG.4-TYPICAL REVERSE CHARACTERISTICS FIG.3-TYPICAL INSTANTANEOUS 0.01 0.6 6 4 NUMBER OF CYCLES AT 60 Hz AMBIENT TEMPERATURE, (° C) 20 40 60 100 80 120 140 PERCENT OF RATED PEAK 2.0 REVERSE VOLTAGE,(%) INSTANTANEOUS FORWARD VOLTAGE,(V) FIG.5-TYPICAL JUNCTION CAPACITANCE FIG.6-TEST CIRCUIT DIAGRAM AND REVERSE REXOVERY TIME CHARACTERISTIC 100 CAPACITANCE,(pF) +0.5A 50Ω N ONINDUCTIVE 10Ω NONINDUCTIVE (-) (+) 25 Vdc （approx ） (-) 10 D.U.T 1Ω NON INDUCTIVE PULSE GENERATIOR (NOTE 2) 0 0.25A OSCILLOSCOPE (NOTE 1) -1.0A NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF 2.Rise time=10ns max.Source Impedance=50 ohms TJ=25° C F=1MHz Vsig=50mVp-p 1 0.1 1.0 10 100 REVERSE VOLTAGE,(V) Web Site: www.hkmic.com SET TIME BASE FOR 50 /100NS /cm