SMD12ALPT CHENMKO ENTERPRISE CO.,LTD THRU SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 - 40 Volts CURRENT 1.0 Ampere SMD14ALPT FEATURES *Small surface mounting type. (SOD-123S) * Low profile package * Built-in strain relief * Low power loss, high efficiency * High current capability, low forward voltage drop * High surge capability * High temperature soldering guaranteed : 260oC/10 seconds at terminals * Lead free devices SOD-123S 1.4~1.95 0.5~1.0 2.55~3.0 0.8~1.35 0.25(max) 0.25(min) CIRCUIT (2) 3.5~3.95 SOD-123S Dimensions in millimeters (1) MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) SYMBOL SMD12ALPT SMD14ALPT UNITS Maximum Recurrent Peak Reverse Voltage RATINGS VRRM 20 40 Volts Maximum RMS Voltage VRMS 14 28 Volts Maximum DC Blocking Voltage VDC 20 40 Maximum Average Forward Rectified Current at TL = 90oC Volts IO 1.0 Amps IFSM 25 Amps CJ 110 Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) TL = 70oC Typical Junction Capacitance (Note 2) Typical Thermal Resistance (Note 1) R Storage and Operating Temperature Range pF o 80 JL TJ, TSTG C/W o -65 to +125 C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 1.0 A DC Maximum Average Reverse Current @ TA = 25oC at Rated DC Blocking Voltage @ TA = 100oC SYMBOL SMD12ALPT SMD14ALPT UNITS VF 0.38 0.40 Volts 1.0 mAmps IR 10 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 mAmps 2004-07 AVERAGE FORWARD CURRENT, (A) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE 1.0 .75 .50 Single Half Wave 60HZ Resistive or Inductive Load .25 0 0 20 40 60 80 100 120 140 LEAD TEMPERATURE, ( oC ) INSTANTANEOUS FORWARD CURRENT, ( A ) RATING CHARACTERISTIC CURVES ( SMD12ALPT THRU SMD14ALPT ) FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARCTERISTICS SMD12ALPT 10 1.0 SMD14ALPT TJ =25oC Pulse Width = 300us 1% Duty Cycle .1 0.1 PEAK FORWARD SURGE CURRENT, (A) 1.0 TJ = 75oC .10 .01 0.5 0.6 0.7 0.8 0.9 1.0 1.1 25 8.3 ms Single Half Sine-Wave (JEDEC Method) 20 15 10 5 TJ = 25oC .001 0 0 20 40 60 80 100 120 140 1 2 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % ) 5 FIG. 5 - TYPICAL JUNCTION CAPACITANCE 200 TJ = 25oC 100 60 40 20 10 .1 .4 1.0 4 10 REVERSE VOLTAGE, (V) 10 20 NUMBER OF CYCLES AT 60HZ 400 JUNCTION CAPACITANCE, (pF) INSTANTANEOUS REVERSE CURRENT, (mA) TJ = 125oC 0.4 FIG. 4 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 30 10 0.3 INSTANTANEOUS FORWARD VOLTAGE, (V) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 100 0.2 40 50 100