CHENMKO ENTERPRISE CO.,LTD S25S20PT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 Volts CURRENT 25 Amperes FEATURES * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * Metal Silicon junction, majority carrier conduction * Low power loss,high efficiency * High current capability, low forward voltage drop * Guardring for overvoltage protection * For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications * High temperature soldering in accordance with CECC 802 / Reflow guaranteed D2PAK 0.420(10.67) 0.380(9.69) 0.190(4.83) 0.160(4.06) 0.055(1.40) 0.245(6.22) 0.045(1.14) MIN. Case: JEDEC D2PAK molded plastic Terminals: Lead solderable per MIL-STD-750, Method 2026 Polarity: As marked Weight: 0.08 ounces, 2.24 grams 0.320(8.13) MECHANICAL DATA 0.575(14.60) 0.360(9.14) 0.625(15.88) K 0.055(1.40) 0.047(1.19) 1 K 2 0.110(2.79) 0.090(2.29) 0.100(2.54) 0.037(0.940) 0.095(2.41) 0.027(0.686) 0.025(0.64) 0.018(0.46) 0.110(2.79) 0.080(2.03) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS PIN 1 Ratings at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60 HZ, resistive or inductive load. For capacitive load, derate current by 20%. PIN 2 K - HEATSINK Dimensions in inches and (millimeters) D2PAK MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS SYMBOL S25S20PT UNITS Maximum Recurrent Peak Reverse Voltage VRRM 20 Volts Maximum RMS Voltage VRMS 14 Volts Maximum DC Blocking Voltage VDC 20 Volts IO 25.0 Amps IFSM 180 Amps Maximum Average Forward Rectified Current Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) R Typical thermal resistance per leg ( NOTE 1 ) Operating and Storage Temperature Range JC TJ, TSTG 1.8 -65 to +125 o C/W o C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 12.5 A DC Maximum instantaneous reverse current at SYMBOL S25S20PT UNITS VF 0.55 Volts 1.0 mAmps 50 mAmps TC = 25oC IR rated DC blocking voltage per leg ( NOTE 2 ) o TC = 100 C NOTES : 1. Thermal resistance from junction to case per leg 2. Pulse test : 300 us pulse width, 1% duty cycle 2002-8 RATING CHARACTERISTIC CURVES ( S25S20PT ) 20 15 10 Single Half Wave 60HZ Resistive or Inductive Load 5 0 0 25 50 75 100 125 150 PEAK FORWARD SURGE CURRENT, (A) AVERAGE FORWARD CURRENT, (A) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE 25 FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 240 210 180 8.3 ms Single Half Sine-Wave (JEDEC Method) 150 120 90 60 30 0 1 2 4 CASE TEMPERATURE, ( oC ) FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARCTERISTICS 40 60 80 100 FIG. 4 - TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT, (mA) 10 TJ = 25oC 0.1 PULSE WIDTH=300uS 1% DUTY CYCLE .01 4 TJ = 100oC 1.0 0.4 0.1 .04 TJ = 25oC .01 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 20 INSTANTANEOUS FORWARD VOLTAGE, (V) 40 FIG. 5 - TYPICAL JUNCTION CAPACITANCE TJ =25oC 1000 100 .1 .4 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) 4000 JUNCTION CAPACITANCE, ( pF ) INSTANTANEOUS FORWARD CURRENT, (A) 20 10 20 1.0 6 8 10 NUMBER OF CYCLES AT 60HZ 1.0 4 10 REVERSSE VOLTAGE, ( V ) 40 80