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| CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 40 Volts CURRENT 5.0 Amperes 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 SSM54LPT 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 and Storage Temperature Range SYMBOL VRRM VRMS VDC IO IFSM CJ R JL SSM54LPT 40 28 40 5.0 125 300 15 -65 to +125 C/W o TJ, TSTG C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 5.0 A DC Maximum Average Reverse Current at Rated DC Blocking Voltage @ TA = 25oC IR @ TA = 100 C o SYMBOL VF SSM54LPT 0.40 1.0 40 UNITS Volts mAmps mAmps 2002-5 NOTES : 1. Thermal Resistance ( Junction to Lead ) : PC Board Mounted on 0.55 X 0.55" ( 14 X 14mm ) copper pad area. 2. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts. RATING CHARACTERISTIC CURVES ( SSM54LPT ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 6.0 5.0 4.0 3.0 2.0 1.0 0 0 25 50 75 100 125 o FIG. 2 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRETN(A) 150 125 100 75 50 25 0 8.3ms Single Half Sine-Wave (JEDEC Method) Single Half Wave 60HZ Resistive or Inductive Load 150 175 1 2 LEAD TEMPERATURE, ( C ) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 1000 INSTANTANEOUS REVERSE CURRENT, (mA) INSTANTANEOUS FORWARD CURRENT, ( A ) 100 5 10 20 50 NUMBER OF CYCLES AT 60 Hz 100 FIG. 4 - INSTANTANEOUS FORWARD CURRENT, (A) 100 TJ = 100 C o Pulse Width = 300uS 1% Duty Cycle 10 10 1.0 TJ =25oC 1.0 .1 TJ = 25 C o .01 0 20 40 60 80 INSTANTANEOUS REVERSE VOLTAGE, (V) 100 0.1 0 .2 .4 .6 .8 1.0 1.2 INSTANTANEOUS FORWARD VOLTAGE,(V) 1.4 FIG. 5 - TYPICAL JUNCTION CAPACITANCE 500 JUNCTION CAPACITANCE, ( pF ) TJ =25oC 100 10 .1 .4 1.0 4 10 40 80 REVERSE VOLTAGE, ( V ) |
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