CURRENT 1.0 Ampere VOLTAGE 50 to 1000 Volts US1A THRU US1M Features * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * Low forward voltage drop * High current capability * High reliability * Low power loss, high effciency * High surge current capability * High speed switching * Low leakage DO-214AC (SMA) 0.110(2.79) 0.100(2.54) 0.058(1.47) 0.052(1.32) 0.177(4.50) 0.157(3.99) 0.012(0.31) 0.006(0.15) Mechanical Data 0.090(2.29) 0.078(1.98) * Case : JEDEC DO-214AC(SMA)molded plastic body * Lead : Solder Plated, solderable per MIL-STD-750, method 2026 * Polarity : Color band denotes cathode end * Weight: 0.002 ounce, 0.064 gram 0.005(0.127) MAX. 0.060(1.52) 0.030(0.76) 0.208(5.28) 0.194(4.93) 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 US1A US1B US1D US1E US1G US1J US1K US1M Units Maximum recurrent peak reverse voltage VRRM 50 100 200 300 400 600 800 1000 Volts Maximum RMS voltage VRMS 35 70 140 210 280 420 560 700 Volts Maximum DC blocking voltage VDC 50 100 200 300 400 600 800 1000 Volts Maximum average forward rectified current 0.375"(9.5mm) lead length TT=75 I(AV) 1.0 Amp Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 30.0 Amps Maximum instantaneous forward voltage at 1.0A VF 1.0 1.3 Maximum DC Reverse Current at rated DC blocking voltage TA = 25 Maximum full load reverse current full cycle average. 0.375"(9.5mm) lead length at TA =100 1.7 Volts 5.0 A IR 100 Maximum reverse recovery time (Note 1) Trr 50 75 ns Typical junction capacitance (Note 2) CJ 20 15 pF Operating Junction and Storage temperature Range TJ TSTG 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. -55 to +150 RATINGS AND CHARACTERISTIC CURVES US1A THRU US1M trr (-) PULSE GENERATOR ( NOTE 2 ) NON INDUCTIVE OSCILLOSCOPE (NOTE 1) 0 -0.25A (+) NOTES: 1. Rise Time=7ns max. Input Impedanec= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm FIG.3- TYPICAL REVERSE CHARACTERISTICS 100 Tj=25 OC 1 FIG.5- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 40 35 30 8.3ms Single Half Sine Wave JEDEC Method 25 20 15 10 1 2 5 10 20 50 NUMBER OF CYCLES AT 60Hz O Tj=25 OC 10 S1 -U 1A US 1.0 0.1 .2 .4 .6 .8 1.0 1.2 1.4 FORWARD VOLTAGE. (V) 1.6 FIG.6- TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE.(pF) PEAK FORWARD SURGE CURRENT. (A) 20 40 60 80 100 120 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 25 50 75 100 125 150 175 LEAD TEMPERATURE. ( C) FIG.4- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 0.01 .1 0 S1 10 0.5 -U O 1.0 1J Tj=100 C 100 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length US INSTANTANEOUS FORWARD CURRENT. (A) INSTANTANEOUS REVERSE CURRENT. (uA) 1000 1.5 D DUT 1G +0.5A US (+) 50Vdc (approx) (-) 10 NONINDUCTIVE FIG.2- MAXIMUM AVERAGE FORWARD CURRENT DERATING M 50 NONINDUCTIVE AVERAGE FORWARD CURRENT. (A) FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 100 70 60 50 40 US1 30 20 10 .1 US .5 1J - US 1 A-U S1E 1M 2 5 10 20 50 100 200 500 1000 REVERSE VOLTAGE. (V)