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| SR820 thru SR860 SK820 thru SK860 MINIATURE SCHOTTKY BARRIER RECTIFIER CHENG- YI ELECTRONIC VOLTAGE RANGE 20 TO 80 Volts CURRENT 8.0 Amperes TO-220AC FEATURES Low switching noise Low forward voltage drop Low thermal resistance High current capability High surge capability High reliability MECHANICAL DATA Case: TO-220A molded plastic Epoxy: UL 94V-0 rate flame retardant Lead: MIL-STD-202 method 208 guaranteed Mounting position: Any MAXIMUM RATINGS ( At TA=25 C unless otherwise noted) 0 Symbol Ratings Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375" (9.5mm) lead length Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Thermal Resistance (Note 1) Typical Junction Capacitance (Note 3) Operating Temperature Range Storage and Operating Temperature Range 0 SR820 SK820 20 14 20 SR830 SK830 30 21 30 SR835 SK835 35 25 35 SR840 SK840 40 28 40 8.0 SR845 SK845 45 32 45 SR850 SK850 50 35 50 SR860 SK860 60 42 60 UNITS UNITS Volts Volts Volts Amps Symbol VRRM VRMS VDC IO IFSM R JC 150 2.5 700 -65 to +125 -65 to +150 450 -65 to +150 Amps 0 C/W pF 0 CJ TJ TSTG Symbol VF IR C C 0 ELECTRICAL CHARACTERISTICS ( At TA=25 C unless otherwise noted) Characteristics Maximum Instantaneous Forward Voltage at 8.0A DC 0 Maximum Average Reverse Cruuent @TA=25 C at Rated DC Blocking Voltage @TA=1000C SK820 SK830 SK835 .65 SK840 SK845 SK850 .75 SK860 UNITS Volts mAmps mAmps 1.0 30 Notes : 1. Thermal Resistance Junction to Case. 2. Suffix "R" for Reverse Polarity 3. Measured at 1MHz and applied reserse voltage of 4.0 Volts. SR820 thru SR860 SK820 thru SK860 MINIATURE SCHOTTKY BARRIER RECTIFIER CHENG- YI ELECTRONIC RATING AND CHARACTERISTICS CURVES SR820 THRU SR860 SK820 THRU SK860 Fig.1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 10 8 6 Fig.2 - TYPICAL REVERSE CHARACTERISTICS 10 0 TC=150C INSTANTANEOUS REVERSE CURRENT, (mA) 8 SK 50~ 880 SK 820 SK 4 2 0 0 50 1.0 =1 TC 2 5C 0 K8 ~S 40 100 = TC 75 0 C 150 .1 = TC 25 0 LEAD TEMPERATURE, 0C C Fig.3 - MAXIMUM NON-REPETITIVE FORWARD PEAK FORWARD SURGE CURRENT, (A) .01 SURGE CURRENT 175 150 125 100 75 50 25 1 10 100 8.3ms Single Half Sine Wave JEDEC Method SK820~SK840 SK850~SK880 .001 20 40 60 80 100 120 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) Fig.4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT, (A) 50 NUMBER OF CYCLES AT 60 Hz SK820~SK840 10 Fig.5 - TYPICAL JUNCTION CAPACIT ANCE JUNCTION CAPACITANCE, (pF) 4000 2000 1000 800 600 400 SK820~SK840 SK850~SK880 1.0 200 100 .1 SK850~SK880 TJ=250C Pulse Width-300 s 1% DUTY CYCLE .1 .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 1.0 10 100 INSTANTANEOUS FORWARD VOLT AGE, (V) REVERSE VOLTAGE(V) |
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