Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: [email protected] Web: http://www.frontierusa.com 8A ULTRA FAST RECOVERY SURFACE MOUNT RECTIFIER UK8A-LFR CATHODE FEATURES z LOW PROFILE PACKAGE z PLASTIC PACKAGE HAS UNDERWRITERS LABORATORY 94V-0 z IDEAL FOR SURFACE MOUNTED APPLICATION z GLASS PASSIVATED CHIP JUNCTION z BUILT-IN STRAIN RELIEF DESIGN z ULTRA FAST RECOVERY TIME FOR HIGH EFFICIENT z HIGH TEMPERATURE SOLDERING: 250°C/10 SECONDS AT TERMINALS z ROHS .012(0.3) Typ SOLDERING PAD .320(8.12) REF .189(4.8) .165(4.2) .158(4.02) MIN .283(7.2) .260(6.6) .06(1.52) MIN .185(4.69) MAX .244(6.2) .228(5.8) .098(2.5) .075(1.9) MECHANICAL DATA z CASE: TSMC, DIMENSIONS IN INCHES AND (MILLIMETERS) z TERMINALS: SOLDER PLATED z POLARITY: INDICATED BY CATHODE BAND z WEIGHT: 0.10 GRAMS .04(1.0) Typ MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS AT 25°C AMBIENT TEMPERATURE UNLESS OTHERWISE SPECIFIED SINGLE PHASE, HALF WAVE, 60 HZ, RESISTIVE OR INDUCTIVE LOAD. FOR CAPACITIVE LOAD, DERATE CURRENT BY 20% RATINGS MAXIMUM RECURRENT PEAK REVERSE VOLTAGE MAXIMUM RMS VOLTAGE MAXIMUM DC BLOCKING VOLTAGE MAXIMUM AVERAGE FORWARD RECTIFIED CURRENT AT TL=75°C PEAK FORWARD SURGE CURRENT, 8.3ms SINGLE HALF SINE-WAVE SUPERIMPOSED ON RATED LOAD TYPICAL JUNCTION CAPACITANCE (NOTE 1) STORAGE TEMPERATURE RANGE OPERATING TEMPERATURE RANGE SYMBOL UK8A-LFR UNITS VRRM VRMS VDC 50 35 50 V V V IO 8.0 A IFSM 120 A CJ TSTG 75 -55 TO + 150 PF TOP -55 TO + 150 ℃ UK8A-LFR UNITS 0.95 5 250 50 UK8A V μA μA nS ℃ ELECTRICAL CHARACTERISTICS (AT TA =25°C UNLESS OTHERWISE NOTED) CHARACTERISTICS SYMBOL MAXIMUM FORWARD VOLTAGE AT IO DC VF MAXIMUM DC REVERSE CURRENT AT TA=25ºC IR MAXIMUM DC REVERSE CURRENT AT TA=125°C IR MAXIMUM REVERSE RECOVERY TIME (NOTE 3) TRR MARKING NOTES: 1. MEASURED AT 1 MHZ AND APPLIED REVERSE VOLTAGE 0F 4.0 VOLTS 2. REVERSE RECOVERY TEST CONDITIONS: IF=0.5A, IR=1.0A, IRR=0.25A UK8A-LFR Page: 1 RATINGS AND CHARACTERISTIC CURVE UK8A-LFR FIG. 1-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC 10Ω NO INDUCTIVE Trr (-) +0.5A D.U.T. (+) 25 Vdc (approx) (-) PULSE GENERATOR ( NOTE 2 ) 1Ω NON INDUCTIVE OSCILLOSCOPE ( NOTE 1 ) FIG. 2-TYPICAL FORWARD CURRENT DERATING CURVE 8.0 AVERAGE FORWARD CURRENT (A) 50Ω NO INDUCTIVE 0 -0.25A (+) -1.0A NOTE: 1. RISE TIME=7ns MAX. INPUT IMPEDANCE=1 MOhms 22PF 2. RISE TIME =10ns MAX. SOURCE IMPEDANCE=50 OHMS 1cm 4.0 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD P.C.B MOUNTED ON 0.3×0.3”(8.0×8.0mm) COPPER PAD AREAS 0 SET TIME BASE FOR 10/20 ns/cm 0 20 40 60 80 100 120 140 160 180 200 LEAD TEMPERATURE (ºC) FIG. 4-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 100 10 TJ=125oC TJ=80oC 1.0 o TJ=25 C .1 .01 0 20 40 60 80 100 120 140 INSTANTANEOUS FORWARD CURRENT (A) INSTANTANEOUS REVERSE CURRENT (uA) FIG. 3-TYPICAL REVERSE CHARACTERISTICS 10 1.0 0.1 .01 .001 .2 .4 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 INSTANTANEOUS FORWARD VOLTAGE (V) FIG. 6-TYPICAL JUNCTION CAPACITANCE 200 120 JUNCTION CAPACITANCE (pF) PEAK FORWARD SURGE CURRENT (A) FIG. 5-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 8.3 ms Single Half Sine Wave (JEDEC Method) 96 72 48 24 0 TJ=25oC 100 40 20 10 6 4 2 0 10 100 NUMBER OF CYCLES AT 60HZ 1 .1 .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE (V) UK8A-LFR Page: 2