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| CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 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 * Low VF Products SSM12LLPT 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 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 Temperature Range Storage Temperature Range o SYMBOL VRRM VRMS VDC IO IFSM CJ R JL SSM12LLPT 20 14 20 1.0 40 110 25 -65 to +125 -65 to +150 C/W o o TJ TSTG C C ELECTRICAL CHARACTERISTICS ( At TA = 25 C unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 1.0 A DC Maximum Average Reverse Current at Rated DC Blocking Voltage @ TA = 25 C IR @ TA = 100 C o o SYMBOL VF SSM12LLPT 0.27 0.5 10 UNITS Volts mAmps 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 ( SSM12LLPT ) INSTANTANEOUS FORWARD CURRENT, ( A ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 1.0 FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 10 .75 .50 1.0 .25 Single Half Wave 60HZ Resistive or Inductive Load 0 0 25 50 75 100 125 o 150 175 0.1 TJ =25oC Pulse Width=300us 1% Duty Cycle .1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1 LEAD TEMPERATURE, ( C ) FIG. 3 - TYPICAL JUNCTION CAPACITANCE 400 JUNCTION CAPACITANCE, ( pF ) 200 100 80 60 40 20 10 .1 .4 1.0 4 10 40 80 REVERSE VOLTAGE, ( V ) INSTANTANEOUS FORWARD VOLTAGE,(V) FIG. 4 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT 50 40 8.3ms Single Half Sine-Wave (JEDEC Method) TJ = 25oC PEAK FORWARD SURGE CURRETN(A) 30 20 10 0 1 2 4 6 8 10 20 40 80 100 NUMBER OF CYCLES AT 60 Hz FIG. 5 - TYPICAL REVERSE CHARACTERISTICS 100 INSTANTANEOUS REVERSE CURRENT, (mA) 10 TJ = 125oC 1.0 TJ = 75oC .10 .01 TJ = 25oC .001 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % ) |
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