SR1620 thru SR1660 SK1620 thru SK1660 MINIATURE SCHOTTKY BARRIER RECTIFIER CHENG- YI ELECTRONIC VOLTAGE RANGE 20 TO 60 Volts CURRENT 16.0 Amperes TO-220AB FEATURES Low switching noise Low thermal resistance Low forward voltage High current capability High switching capability High surge capability High reliability MECHANICAL DATA Case: TO-220 molded plastic Epoxy: UL 94V-0 rate flame retardant Lead: MIL-STD-202E method 208 guaranteed Mounting position: Any Weitht: 2.24 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 250C ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. MAXIMUM RATINGS ( At TA=25 C unless otherwise noted) 0 Ratings Symbol SR1620 SR1630 SR1635 SR1640 SR1645 SR1650 SR1660 UNITS Symbol SK1620 SK1630 SK1635 SK1640 SK1645 SK1650 SK1660 UNITS Maximum Recurrent Peak Reverse Voltage VRRM 20 30 35 40 45 50 60 Volts Maximum RMS Voltage VRMS 14 21 25 28 32 35 42 Volts Maximum DC Blocking Voltage VDC 20 30 35 40 45 50 60 Volts 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) IO 16 Amps IFSM 150 Amps R 0 3 JC C/W Typical Junction Capacitance (Note 3) CJ 700 500 Operating Temperature Range TJ -65 to +125 -65 to +150 Storage and Operating Temperature Range TSTG pF 0 C 0 -65 to +150 C ELECTRICAL CHARACTERISTICS ( At TA=25 C unless otherwise noted) 0 Characteristics Symbol Maximum Instantaneous Forward Voltage at 8.0A DC VF 0 Maximum Average Reverse Cruuent @TA=25 C at Rated DC Blocking Voltage @TA=1000C SK1620 SK1630 SK1635 SK1640 SK1645 SK1650 SK1660 IR 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. .65 .75 UNITS Volts 1.0 mAmps 30 mAmps SR1620 thru SR1660 SK1620 thru SK1660 MINIATURE SCHOTTKY BARRIER RECTIFIER CHENG- YI ELECTRONIC RATING AND CHARACTERISTICS CURVES SR1620 THRU SR1660 SK1620 THRU SK1660 Fig.2 - TYPICAL REVERSE CHARACTERISTICS AVERAGE FORWARD CURRENT AMPERES Fig.1 - TYPICAL FORWARD CURRENT DERATING CURVE 100 20 1 SR 16 650 INSTANTANEOUS REVERSE CURRENT, (mA) 6 40 Single Phase half Wave 60Hz Inductive or Resistive Load C 4 C 1 SR 8 660 C~ 1 SR 620 C~ 1 SR 12 0 0 50 100 150 CASE TEMPERATURE, 0C PEAK FORWARD SURGE CURRENT, (A) Fig.3 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 175 10 0 TC=75C 1.0 0 TC=25C .1 150 .01 125 8.3ms Single Half Sine Wave JEDEC Method 20 40 60 80 100 120 100 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) 75 50 25 1 2 5 10 20 50 100 Fig.4 - TYPICAL JUNCTION CAPACITANCE 4000 2000 SR1620C~SR1645C 1000 800 600 400 SR1650C~SR1660C 200 100 .1 .4 1.0 4 REVERSE VOLTAGE(V) 10 Fig.5 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT, (A) NUMBER OF CYCLES AT 60 Hz JUNCTION CAPACITANCE, pF 0 TC=125C 40 80 100 40 0 TJ=125C 10 0 TJ=25C 1.0 Pulse Width-300 s 1% DUTY CYCLE .1 .1 .2 .3 .4 .5 .6 .7 .8 .9 INSTANTANEOUS FORWARD VOLTAGE, (V)