BYW178 DSK | Alldatasheet
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FEATURES
Case: JEDEC DO--27,molded plastic Terminals: Axial lead ,solderable per MIL- STD-202,Method 208 Polarity: Color band denotes cathode Weight: 0.041ounces, 1.15 grams Mounting position: Any Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,50Hz,resistiv e or inductive load. For capacitiv e load,derate by 20%. UNITS Maximum recurrent peak reverse voltage V RRM V Maximum RMS v oltage V RMS V Maximum DC blocking voltage V DC V Maximum average forw ard rectified current 9.5mm lead length, @T A =75 Peak forw ard surge current 10ms single half-sine-w ave superimposed on rated load @T J =125 Maximum instantaneous forw ard voltage @ 3.0 A V F V Maximum reverse current @T A =25 at rated DC blocking voltage @T A =100 Maximum rev ers e rec ov ery time (Note1) t rr ns Typical junction capacitance (Note2) C J pF Typical thermal resistance (Note3) R θJA Operating junction temperature range T J Storage temperature range T STG NOTE:1. Measured with I F =0.5A, I R =1A, I rr =0.25A. 2. Measured at 1.0MH Z and applied rev erse v oltage of 4.0V DC. 3. Thermal resistance f rom junction to ambient. 800 560 -55-----+150 -55-----+150 1.0 VOLTAGE RANGE: 800 V CURRENT: 3.0 A DO - 27 FAST RECOVERY RECTIFIER MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Easily cleaned with Freon Alcohol,Isopropanol and sim ilar solvents I F(AV) BYW178 800 3.0 A I FSM I R A A 1.9 Dimensions in millimeters BYW178 www.diode.kr Diode Semiconductor Korea
-1.0A -0.25A +0.5A t rr 1cm PULSE GENERATOR (NOTE2) D.U.T. N.1. N.1. OSCILLOSCOPE (NOTE 1) (+) 50VDC (APPROX) (-) N.1. (-) (+) 0.01 0.02 0.06 0.04 0.1 0.2 0.4 1.0 100 T J =25 Pulse Width=300 µ S 1.8 2.0 2.2 2.3 1 100 1024 6 20 4 0 6 0 T J =125 8.3ms Single Half Sine-Wave 100 0.6 1.2 1.8 2.4 3.0 02 5 1 0 0 1 5 0 17550 12575 Single Phase Half W alf 60H z Resistive or Inductive Load AMPERES AMPERES AMPERES JUNCTION CAPACITANCE pF INST ANT ANEOUS FORWARD VOLT AGE,VOLT S REVERSE VOLT AGE,VOLT S FIG.5-- TYPICAL JUNCTION CAPACITANCE 2. RISE TIME=10ns MAX. SOURCE IMPEDANCE=5O AVERAGE FORWARD RECTIFIED CURREN T FIG.3 --PEAK FORWARD SURGE CURRENT N OTE S:1.R ISE TIM E =7ns M AX. IN P U T IM P E D AN C E =1M .22pF FIG.1 -- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM FIG.2 --FORWARD DERATING CURVE FIG.4--TYPICAL FORWARD CHARACTERISTIC PEAK FORWARD SURGE CURRENT INSTANTANEOUS REVERSE CURRENT BYW178 SET TIME BASE FOR 25 ns /cm AMBIENT TEMPERATURE, NUMBER OF CYCLES AT 60 Hz .1 .2 .4 1.0 2 4 10 20 40 100 100 T J =25 f=1MHz Diode Semiconductor Korea www.diode.kr