SSM32LPT

CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 - 40 Volts CURRENT 3.0 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 S SM32LPT THRU SSM34LPT 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) 0.212(5.40) 0.189(4.80) 0.008 (0.203)(max) 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 Dimensions in inches and (millimeters) SMA SSM34LPT 40 28 40 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 SSM32LPT 20 14 20 SSM33LPT 30 21 30 3.0 100 250 18 -65 to +125 C/W o TJ,TSTG C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 3.0 A DC Maximum Average Reverse Current at Rated DC Blocking Voltage @ TA = 25oC IR @ TA = 100 C o SYMBOL VF SSM32LPT SSM33LPT 0.4 1.0 40 SSM34LPT UNITS Volts mAmps mAmps 2002-2 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 4.0 volts. RATING CHARACTERISTIC CURVES ( SSM32LPT THRU SSM34LPT ) INSTANTANEOUS FORWARD CURRENT, ( A ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 4.0 FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 10 3.0 2.0 1.0 1.0 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 1000 INSTANTANEOUS REVERSE CURRENT, (mA) INSTANTANEOUS FORWARD VOLTAGE,(V) FIG. 4 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT 100 PEAK FORWARD SURGE CURRETN(A) 100 TJ = 100 C o 80 8.3ms Single Half Sine-Wave (JEDEC Method) 10 60 1.0 TJ = 25oC 40 0.1 20 .01 0 20 40 60 80 100 120 140 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 0 .1 .4 1.0 4 10 40 80 REVERSE VOLTAGE, ( V )