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| CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 40 Volts CURRENT 5.0 Amperes FEATURES * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * For surface mounted applications * Low profile package * Built-in strain relief * Metal silicon junction, majority carrier conduction * Low power loss, high efficiency * High current capability, low forward voltage drop * High surge capability * For use in low voltage high frequency inverters, free wheeling, and polarity protection applications * High temperature soldering guaranteed : 260oC/10 seconds at terminals SCM54LHPT SMC Cathode 0.245(6.22) 0.220(5.59) 0.125(3.17) 0.115(2.92) MECHANICAL DATA Case: JEDEC SMC molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Weight: 0.007 ounce 0.25 gram (1) 0.280(7.11) 0.260(6.60) (2) 0.012(0.305) 0.006(0.152) 0.103(2.62) 0.079(2.06) 0.060(1.52) 0.030(0.76) 0.320(8.13) 0.305(7.75) 0.008(0.203)(max) 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%. o Dimensions in inches and (millimeters) SMC UNITS Volts Volts Volts Amps Amps pF o MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Typical Thermal Resistance (Note 1) Operating and Storage Temperature Range SYMBOL VRRM VRMS VDC IO IFSM CJ R JL SCM54LHPT 40 28 40 5.0 150 300 10 -65 to +125 C/W o TJ, TSTG C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 5.0 A DC Maximum Average Reverse Current at Rated DC Blocking Voltage @ TA = 25 C IR @ TA = 100 C o o SYMBOL VF SCM54LHPT 0.45 0.5 20 UNITS Volts mAmps mAmps 2002-5 NOTES : 1. Thermal Resistance ( Junction to Lead ) : PC Board Mounted on 0.55 X 0.55" ( 14 X 14mm ) copper pad area. 2. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts. RATING CHARACTERISTIC CURVES ( SCM54LHPT ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 6.0 5.0 4.0 3.0 2.0 1.0 0 0 25 50 75 100 125 150 175 LEAD TEMPERATURE, ( oC ) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 100 INSTANTANEOUS REVERSE CURRENT, (mA) INSTANTANEOUS FORWARD CURRENT, ( A ) 100 Single Half Wave 60HZ Resistive or Inductive Load FIG. 2 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRETN(A) 150 125 100 75 50 25 0 8.3ms Single Half Sine-Wave (JEDEC Method) 1 2 5 10 20 50 NUMBER OF CYCLES AT 60 Hz 100 FIG. 4 - INSTANTANEOUS FORWARD CURRENT, (A) 10 1.0 TJ = 100 C o 10 .10 TJ =25oC 1.0 .01 TJ = 25 C o Pulse Width = 300uS 1% Duty Cycle .001 0.1 0 20 40 60 80 INSTANTANEOUS REVERSE VOLTAGE, (V) 100 0 .2 .4 .6 .8 1.0 1.2 INSTANTANEOUS FORWARD VOLTAGE,(V) 1.4 FIG. 5 - TYPICAL JUNCTION CAPACITANCE 500 JUNCTION CAPACITANCE, ( pF ) TJ =25oC 100 10 .1 .4 1.0 4 10 40 80 REVERSE VOLTAGE, ( V ) |
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