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| CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 40 Volts CURRENT 2.0 Amperes FEATURES * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * For surface mounted applications * Low leakage current * 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 SSM24ALPT SMA-S + 0.2 2.6 - 0.2 + 0.2 1.4 - 0.2 + 0.2 3.5 - 0.2 + 0.02 0.5 - 0.02 MECHANICAL DATA Case: JEDEC SMA-S molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end 0.975 + 0.1 - 0.1 + 0.02 0.2 - 0.02 + 0.02 1.08 - 0.02 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 + 0.2 4.5 - 0.2 Dimensions in millimeters SMA-S MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS 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 IO IFSM CJ R JL SSM24ALPT 40 28 2.0 40 250 20 -65 to +125 UNITS Volts Volts Amps Amps pF o C/W o TJ,TSTG C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at I F =2A @ TA = 25oC Maximum Average Reverse Current @ TA = 100 C o SYMBOL VF SSM24ALPT 0.37 0.1 UNITS Volts mAmps mAmps 2005-10 IR 10 NOTES : 1. Thermal Resistance ( Junction to Lead ) : PC Board Mounted on 0.31 X 0.31" ( 8 X 8mm ) copper pad area. 2. Measured at 1.0 MHZ and applied reverse voltage of 10 volts. RATING CHARACTERISTIC CURVES ( SSM24ALPT ) INSTANTANEOUS FORWARD CURRENT, ( A ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 2.00 FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 10 1.50 1.00 1.0 .50 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 0 .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 LEAD TEMPERATURE, ( C ) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 100 INSTANTANEOUS REVERSE CURRENT, (mA) INSTANTANEOUS FORWARD VOLTAGE,(V) FIG. 4 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT 50 10 PEAK FORWARD SURGE CURRETN(A) 40 8.3ms Single Half Sine-Wave (JEDEC Method) 1.0 TJ = 100oC 30 .10 20 .01 TJ = 25oC 10 .001 0 20 40 60 80 100 120 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % ) 0 1 2 4 6 8 10 20 40 80 100 NUMBER OF CYCLES AT 60 Hz FIG. 5 - TYPICAL JUNCTION CAPACITANCE 5000 JUNCTION CAPACITANCE, ( pF ) TJ = 25oC 1000 100 .1 .4 1.0 4 10 40 80 REVERSE VOLTAGE, ( V ) |
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