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| CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 - 60 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 SSM52PT THRU SSM56PT 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 SMB molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Weight: 0.003 ounce 0.093 gram 0.090(2.30) 0.075(1.90) 0.060(1.52) 0.030(0.76) 0.212(5.40) 0.189(4.80) 0.008 (0.203)(max) 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 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 SSM52PT 20 14 20 SSM53PT 30 21 30 SSM54PT 40 28 40 5.0 125 300 12 -65 to +125 SSM55PT 50 35 50 SSM56PT 60 42 60 UNITS Volts 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 5.0 A DC Maximum Average Reverse Current at Rated DC Blocking Voltage @ TA = 25oC IR @ TA = 100 C o SYMBOL VF SSM52PT SSM53PT 0.55 SSM54PT SSM55PT SSM56PT UNITS Volts mAmps mAmps 2007-4 0.70 0.5 20 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 ( SSM52PT THRU SSM56PT ) 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 100 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) 10 Pulse Width = 300uS 1% Duty Cycle 1.0 TJ = 100 C o 10 .10 TJ =25oC 1.0 .01 TJ = 25 C o .001 0.1 0 20 40 60 80 INSTANTANEOUS REVERSE VOLTAGE, (V) 100 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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