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| CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 - 40 Volts CURRENT 3.0 Ampere 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 SMD32PT THRU SMD34PT SOD-123 0.028(0.70) 0.018(0.45) 1 0.153(3.90) 0.140(3.55) 0.112(2.85) 0.098(2.50) 2 MECHANICAL DATA Case: JEDEC SOD-123 molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Weight: 0.001 ounce 0.032 gram 0.071(1.80) 0.055(1.40) 0.053(1.35) 0.035(0.90) MAX. 0.008(0.2) 0.02(0.5) Tpy 0.004(0.12) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS 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%. Dimensions in inches and (millimeters) SOD-123 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 at TL = 45oC Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) TL = 45oC Typical Junction Capacitance (Note 2) Typical Thermal Resistance (Note 1) Storage and Operating Temperature Range SYMBOL VRRM VRMS VDC IO IFSM CJ R JL SMD32PT 20 14 20 SMD33PT 30 21 30 3.0 40 210 80 -65 to +125 SMD23PT SMD34PT 40 28 40 UNITS Volts Volts Volts Amps Amps pF o C/W o TJ, TSTG C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS SYMBOL SMD32PT SMD33PT SMD34PT UNITS Maximum Instantaneous Forward Voltage at 3.0 A DC VF 0.85 0.9 1.0 Volts Maximum Average Reverse Current at Rated DC Blocking Voltage @ TA = 25oC IR @ TA = 100oC 1.0 10 mAmps mAmps 2007-01 NOTES : 1. Thermal Resistance ( Junction to Lead ) : PC Board Mounted on 0.2 X 0.2" ( 5 X 5mm ) copper pad area. 2. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts RATING CHARACTERISTIC CURVES ( SMD32PT THRU SMD34PT ) INSTANTANEOUS FORWARD CURRENT, ( A ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 3.0 FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARCTERISTICS 10 SMD33PT SMD32PT SMD3PT SMD34PT 2.0 1.0 1.0 Single Half Wave 60HZ Resistive or Inductive Load TJ =125oC Pulse Width = 300us 1% Duty Cycle 0 0 20 40 60 80 100 120 140 LEAD TEMPERATURE, ( oC ) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 100 0.1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 INSTANTANEOUS FORWARD VOLTAGE, (V) FIG. 4 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 60 PEAK FORWARD SURGE CURRENT, (A) INSTANTANEOUS REVERSE CURRENT, (mA) 10 TJ = 125oC 50 8.3 ms Single Half Sine-Wave (JEDEC Method) 40 1.0 30 .10 TJ = 75oC 20 .01 TJ = 25oC 10 .001 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % ) 0 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60HZ FIG. 5 - TYPICAL JUNCTION CAPACITANCE 400 JUNCTION CAPACITANCE, (pF) 200 100 60 40 20 10 .1 .4 1.0 4 10 REVERSE VOLTAGE, (V) 40 TJ = 25oC |
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