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| CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 - 40 Volts CURRENT 1.0 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 SSM5817PT THRU SSM5819PT SMA 0.110(2.80) 0.094(2.40) (1) 0.065(1.65) 0.049(1.25) 0.181(4.60) 0.165(4.20) 0.012(0.310) 0.006(0.150) (2) MECHANICAL DATA Case: JEDEC SMA molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Weight: 0.002 ounce 0.064 gram 0.090(2.30) 0.075(1.90) 0.060(1.52) 0.030(0.76) 0.008 (0.203)(max) 0.212(5.40) 0.189(4.80) 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) SMA SSM5819PT 40 28 40 UNITS Volts Volts Volts Amps 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 = 90oC 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) Storage and Operating Temperature Range IFSM 25 Amps SYMBOL VRRM VRMS VDC IO SSM5817PT 20 14 20 SSM5818PT 30 21 30 1.0 CJ R JL 110 30 -65 to +125 o pF C/W o TJ, TSTG C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 1.0 A DC Maximum Instantaneous Forward Voltage at 3.1 A DC Maximum Average Reverse Current at Rated DC Blocking Voltage @ TA = 25oC IR @ TA = 100oC 10 mAmps 2002-5 SYMBOL VF VF SSM5817PT 0.45 0.75 SSM5818PT 0.55 0.875 1.0 SSM5819PT 0.60 0.90 UNITS Volts Volts mAmps 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 ( SSM5817PT THRU SSM5819PT ) INSTANTANEOUS FORWARD CURRENT, ( A ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 1.0 FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARCTERISTICS 20 SSM5817 10 SSM5819 .75 .50 Single Half Wave 60HZ Resistive or Inductive Load 1.0 SSM5818 TJ =25 oC Pulse Width = 300us 1% Duty Cycle .25 0 0 20 40 60 80 100 120 140 LEAD TEMPERATURE, ( oC ) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 100 0.1 .1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1 INSTANTANEOUS FORWARD VOLTAGE, (V) FIG. 4 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 30 PEAK FORWARD SURGE CURRENT, (A) INSTANTANEOUS REVERSE CURRENT, (mA) 10 TJ = 125oC 25 8.3 ms Single Half Sine-Wave (JEDEC Method) 20 1.0 15 .10 TJ = 75oC 10 .01 TJ = 25oC 5 .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 TJ = 25oC 100 60 40 20 10 .1 .4 1.0 4 10 REVERSE VOLTAGE, (V) 40 |
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