CURRENT 1.0 Ampere VOLTAGE 1800 Volts BY133 Features * The plastic package carries Underwrites Laboratory Flammability Classification 94V-0 * Construction utilizes void-free molded plastic technique * Low reverse leakage * Low forward voltage drop * High forward surge current capability * High current capability * High reliability 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 : Lead solderable per MIL-STD-750, method 2026 * Polarity : Color band denotes cathode end * Mounting Position : Any * Weight : 0.012 ounce, 0.33 grams 0.034(0.9) 0.028(0.7) DIA. 1.0(25.4) MIN. Dimensions in inches and (millimeters) Maximum Ratings And Electrical Characteristics (Ratings at 25 ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) Symbols BY133 Units Maximum recurrent peak reverse voltage VRRM 1800 Volts Maximum RMS voltage VRMS 1270 Volts Maximum DC blocking voltage VDC 1800 Volts Maximum average forward rectified current 0.375"(9.5mm) lead length TA=75 I(AV) 1.0 Amps Peak forward surge current 8.3ms half sine wave superimposed on rated load (JEDEC method) IFSM 30.0 Amps Maximum instantaneous forward voltage at 1.0A VF 1.1 Volts Maximum reverse current at rated DC blocking voltage TA=25 TA=100 Typical thermal resistance (Note 2) Typical junction capacitance (Note 1) Operating and storage temperature range IR 5.0 200.0 RJA 50.0 RJL 25.0 CJ 15.0 TJ TSTG -50 to +150 Notes: (1) Measured at 1MHz and applied reverse voltage of 4.0V DC. (2) Thermal resistance from junction to ambient and from junction to lead at 0.375"(9.5mm) lead length, P.C.B. mounted A /W pF RATINGS AND CHARACTERISTIC CURVES BY133 FIG.1-FORWARD CURRENT DERATING CURVE FIG.2-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 1.4 MAXIMUM AVERAGE CURRENT RATING SINGLE PHASE HALF-WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0.375"(9mm) LEAD LENGTHS 1.2 20 1.0 0.8 0.6 0.4 0.2 0 0 20 40 60 80 100 120 140 160 LEAD TEMPERATURE ( ) 180 INSTANTANEOUS FORWARD CURRENT(AMPERES) AVERAGE FORWARD CURRENT AMPERES 1.6 10 1 0.1 TJ=25 PULSE WIDTH=300S 2% DUTY CYCLE 0.01 FIG.3-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 0.6 0.8 1.0 1.2 1.4 1.5 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 40 30 FIG.4-TYPICAL REVERSE CHARACTERISTICS 20 10 10 0 1 10 100 NUMBER OF CYCLES AT 60Hz FIG.5-TYPICAL JUNCTION CAPACITANCE INSTANTANEOUS REVERSE CURRENT (A) PEAK FORWARD SURGE CURRENT (AMPERES) 50 TA=100 1.0 0.1 TA=25 1000 JUNCTION CAPACITANCE(pF) 0.01 0 SQUARE PULSE di =200A/S dt 10 0.1 1 REVERSE VOLTAGE. VOLTS 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) 100 0.01 20 10 120 140