BY251 - BY254 Taiwan Semiconductor CREAT BY ART 3A, 200V - 800V Silicon Rectifiers FEATURES - High efficiency, Low VF - High current capability - High reliability - High surge current capability - Low power loss - Compliant to RoHS Directive 2011/65/EU and in accordance to WEEE 2002/96/EC - Halogen-free according to IEC 61249-2-21 MECHANICAL DATA DO-201AD Case: DO-201AD Molding compound, UL flammability classification rating 94V-0 Packing code with suffix means green compound (halogen-free) Terminal: Pure tin plated leads, solderable per JESD22-B102 Meet JESD 201 class 1A whisker test Weight: 1.2 g (approximately) MAXIMUM RATINGS AND ELECTRICAL CHARACTERSTICS (T =25C unless otherwise noted) A PARAMETER SYMBOL BY251 BY252 BY253 BY254 UNIT Maximum repetitive peak reverse voltage V 200 400 600 800 V RRM Maximum RMS voltage V 140 280 420 560 V RMS Maximum DC blocking voltage V 200 400 600 800 V DC Maximum average forward rectified current I 3 A F(AV) Peak forward surge current, 8.3 ms single half sine-wave I 150 A FSM superimposed on rated load Maximum instantaneous forward voltage (Note 1) V 1.0 V F 3 A T =25C 5 J Maximum reverse current rated V I A R R T =125C 100 J Typical junction capacitance (Note 2) C 40 pF J Typical thermal resistance R 40 C/W JA Operating junction temperature range T - 55 to +150 C J Storage temperature range T - 55 to +150 C STG Note1: Pulse Test with PW=300s, 1% Duty Cycle Note2: Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C. Document Number: DS D1406026 Version: D15 Not RecommendedBY251 - BY254 Taiwan Semiconductor CREAT BY ART ORDERING INFORMATION PACKING CODE PART NO. PACKING CODE PACKAGE PACKING (*) SUFFIX A0 DO-201AD 500 / Ammo box BY25x R0 G DO-201AD 1,250 / 13 Paper reel (Note 1) B0 DO-201AD 500 / Bulk packing Note 1: defines voltage from 200V (BY251) to 800V (BY254) *: Optional available EXAMPLE PACKING CODE PREFERRED P/N PART NO. PACKING CODE DESCRIPTION SUFFIX BY251 A0G A0 G Green compound BY251 RATINGS AND CHARACTERISTICS CURVES (T =25C unless otherwise noted) A FIG. 2- TYPICAL REVERSE CHARACTERISTICS FIG.1- MAXMUM FORWARD CURRENT DERATING CURVE 10 4 o T =125 C J 3 1 2 0. 1 1 o T =25 C J RESISTIVE OR INDUCTIVE LOAD 0. 01 0 0 25 50 75 100 125 150 0 20 40 60 80 100 120 140 AMBIENT TEMPERATURE( C) PERCENT OF RATED PEAK REVERSE VOLTAGE (%) FIG. 4 TYPICAL FORWARD CHARACTERISTICS FIG. 3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 100 180 150 8.3ms Single Half Sine Wave 10 120 1 90 60 0. 1 Pulse Width=300s 30 1% Duty Cycle 0 0. 01 1 10 100 0. 4 0. 6 0. 8 1 1. 2 1. 4 1. 6 1. 8 NUMBER OF CYCLES AT 60 Hz FORWARD VOLTAGE (V) Document Number: DS D1406026 Version: D15 Not Recommended AVERAGE FORWARD CURRENT(A) PEAK FORWARD SURGE CURRENT(A) INSTANTANEOUS REVERSE CURRENT (A) INSTANTANEOUS FORWARD CURRENT (A)