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| BA157 THRU BA159 Features * Plastic package has Underwrites Laboratory Flammability Classification 94V-0 * Fast switching speed * Diffused junction * High current capability * High temperature soldering guaranteed : 250E /10 seconds, 0.375"(9.5mm) lead length, 5 lbs.(2.3kg) tension. CURRENT 1.0 Ampere VOLTAGE 400 to 1000 Volts DO-41 0.107(2.7) 0.080(2.0) DIA. 1.0(25.4) MIN. 0.205(5.2) 0.166(4.2) Mechanical Data * Case : JEDEC DO-41 molded plastic body * Terminals : Plated axial lead solderable per MIL-STD-750, method 2026 * Polarity : Color band denotes cathode end * Mounting Position : Any * Weight : 0.012 ounce, 0.34 gram 1.0(25.4) MIN. 0.034(0.9) 0.028(0.7) DIA. Dimensions in inches and (millimeters) Maximum Ratings And Electrical Characteristics (Ratings at 25E ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) Symbols Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current Rload at TA=50E Peak forward surge current 10ms single half sine-wave superimposed on rated load at Rload at TA=25E Maximum instantaneous forward voltage at 1.0A Maximum DC reverse current at rated DC blocking voltage TA=25E Maximum reverse recovery time (Note 1) Max. thermal resistance Typical junction capacitance (Note 2) Operating junction and storage temperature range VRRM VRMS VDC I(AV) IFSM VF IR Trr Re JA CJ TJ TSTG BA157 400 280 400 BA158 600 420 600 1.0 35.0 1.3 5.0 150 60 6.0 -65 to +150 BA159 1000 700 1000 Units Volts Volts Volts Amp Amps Volts iA 250 ns E /W pF E Notes: (1) Test conditions: IF=0.5A, IR=1.0A, Irr=0.25A. (2) Measured at 1MHz and applied reverse voltage of 4.0 Volts. RATINGS AND CHARACTERISTIC CURVES BA157 THRU BA159 FIG.1-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE 1000 500 1.25 10mm 10mm IF INSTANTANEOUS FORWARD CURRENT(mA) 100 50 IF ma x Tj=25E +VF- t yp 1 IF AVERAGE FORWARD CURRENT (A) 0.8 0.75 R-Load 10 5 C-Load 0.50 1 0.5 0.25 0 0.4 0.8 1.2 1.6 0 25 50 75 100 125 150 175 VF INSTANTANEOUS FORWARD VOLTAGE DROP (V) LEAD TEMPERATURE( E ) FIG.3-TYPICAL THERMAL IMPEDANCE 90 80 RQJA THERMAL RESISTANCE JUNCTION AMBIENT(E /W) x ma FIG.4-TYPICAL JUNCTION CAPACITANCE 10 8 Tj=25E f=1MHz CJ DIODE CAPACITANCE(pF) 60 typ 6 40 4 ty p 20 l l 2 1 1 0 10 20 30 35 10 100 1000 VR REVERSE VOLTAGE (V) I,LEAD LENGTH (MM) |
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