US1A thru US1M SURFACE MOUNT ULTRA FAST RECTIFIER REVERSE VOLTAGE - 50 to 1000 Volts FORWARD CURRENT - 1.0 Amperes FEATURES * Glass passivated chip * Ultra fast switching for high efficiency * Low forward voltage drop and high current capability * Low reverse leakage current SMA A SMA C B MECHANICAL DATA * Case : Molded plastic * Case Material: "Green" Molding compound, UL flammability classification 94V- 0, (No Br. Sb. Cl.) "Halogen-free" * Polarity : Indicated by cathode band * Weight: 0.002 ounces , 0.069 grams (Approximate) G H D F DIM MIN MAX A 4.06 4.57 B 2.29 2.92 C 1.27 1.63 D 0.15 0.31 E 4.83 5.59 F 0.05 0.20 G 2.01 2.40 H 0.76 1.52 All Dimensions in millimeter E MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25C ambient temperature unless otherwis e specified. ABSOLUTE RATINGS PARAMETER SYMBOL US1A US1B US1D US1G US1J US1K US1M UNIT VRRM VRMS VDC 50 35 50 100 70 100 200 140 200 400 280 400 600 420 600 800 560 800 1000 700 1000 V V V Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC Blocking voltage Maximum Average rectified forward @TL=110 C current Peak forward surge single half @tp=8.3ms sine-wave Operating ant Storage temperature range IF 1.0 A IFSM 30 A TJ, TSTG -55 ~ +150 C STATIC ELECTRICAL CHARACTERISTICS PARAMETER TEST CONDITION Forward voltage (Note 1) IF=1A Reverse leakage current at Rated DC blocking voltage Typical junction capacitance(Note 2) SYMBOL TJ = 25C TJ = 25C TJ = 100C VF MAX 1.0 1.3 5.0 50 IR Cj 20 UNIT 1.7 V uA 10 pF THERMAL CHARACTERISTICS PARAMETER SYMBOL TYP UNIT RthJA RthJL 60 22 C/W RthJC 18 Typical thermal resistance(Note 3) DYNAMIC ELECTRICAL CHARACTERISTICS PARAMETER Reverse recovery time SYMBOL IF=0.5A,Irr=0.25A,IR=1.0A Note : (1) 300us pulse with, 2% duty cycle (2) Measured at 1.0MHz and reverse voltage of 4.0V DC. (3) Thermal resistance junction to Ambient, Lead and Case Trr MAX 50 UNIT 75 nS REV. 10, Jun-2015, KSFA01 RATING AND CHARACTERISTIC CURVES US1A thru US1M FIG.2- MAXIMUM NON-REPETITIVE SURGE CURRENT FIG.1- FORWARD CURRENT DERATING CURVE 40 PEAK FORWARD SURGE CURRENT, (A) AVERAGE FORWARD CURRENT, (A) 1.25 1 0.75 0.5 0.25 30 20 10 8.3ms single half sine-wave 0 0 0 25 50 75 100 125 150 1 10 FIG.3- TYPICAL FORWARD CHARACTERISTICS FIG.4- TYPICAL JUNCTION CAPACITANCE 10 100 US1G US1A to US1G CAPACITANCE, (pF) INSTANTANEOUS FORWARD CURRENT, (A) 100 NUMBER OF CY CLES AT 60Hz LEAD TEMPERATURE, (C) 1 US1A to US1D US1J to US1M 0.1 10 US1J to US1M TJ=25C, f=1MHz TJ=25C 1 0.01 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1 1.8 10 REVERSE VOLTAGE, (V) INSTANTANEOUS FORWARD VOLTAGE, (V) FIG.5- TYPICAL REVERSE CHARACTERISTICS 100.000 TJ=125C INSTANTANEOUS REVERSE CURRENT, (uA) 0 TJ=100C 10.000 1.000 TJ=25C 0.100 0.010 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) 120 100 LEGAL DISCLAIMER NOTICE Important Notice and Disclaimer LSC reserves the right to make changes to this document and its products and specifications at any time without notice. Customers should obtain and confirm the latest product information and specifications before final design, purchase or use. LSC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does LSC assume any liability for application assistance or customer product design. LSC does not warrant or accept any liability with products which are purchased or used for any unintended or unauthorized application. No license is granted by implication or otherwise under any intellectual property rights of LSC. LSC products are not authorized for use as critical components in life support devices or systems without express written approval of LSC.