CHENMKO ENTERPRISE CO.,LTD SSM22LLPT SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 Volts CURRENT 2.0 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 * Low VF Products SMA 0.110(2.80) 0.065(1.65) 0.094(2.40) 0.049(1.25) (1) 0.181(4.60) (2) 0.165(4.20) 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 0.012(0.310) 0.006(0.150) 0.090(2.30) 0.075(1.90) 0.060(1.52) 0.008 (0.203) 0.002 (0.051) 0.030(0.76) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS 0.212(5.40) o 0.189(4.80) 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%. Dimensions in inches and (millimeters) SMA MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS SYMBOL SSM22LLPT UNITS Maximum Recurrent Peak Reverse Voltage VRRM 20 Volts Maximum RMS Voltage VRMS 14 Volts Maximum DC Blocking Voltage VDC 20 Volts IO 2.0 Amps IFSM 50 Amps CJ 210 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) R Operating Temperature Range Storage Temperature Range JL 20 pF o C/W TJ -65 to +125 o C TSTG -65 to +150 o C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS SYMBOL Maximum Instantaneous Forward Voltage at 2.0 A DC Maximum Average Reverse Current VF @ TA = 25oC SSM22LLPT UNITS 0.27 Volts 0.5 mAmps 10 mAmps IR at Rated DC Blocking Voltage o @ TA = 100 C 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. 2001-6 RATING CHARACTERISTIC CURVES ( SSM22LLPT ) INSTANTANEOUS FORWARD CURRENT, ( A ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 2.0 1.5 1.0 Single Half Wave 60HZ Resistive or Inductive Load 0.5 0 0 25 50 75 100 125 150 175 o LEAD TEMPERATURE, ( C ) FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 10 1.0 0.1 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.2 INSTANTANEOUS FORWARD VOLTAGE,(V) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS FIG. 4 - TYPICAL JUNCTION CAPACITANCE 100 500 JUNCTION CAPACITANCE, ( pF ) INSTANTANEOUS REVERSE CURRENT, (mA) TJ =25oC Pulse Width=300us 1% Duty Cycle SSM22B TJ = 125oC 10 1.0 TJ = 75oC .10 300 TJ =25oC 100 80 60 40 20 10 PEAK FORWARD SURGE CURRETN(A) .001 .1 TJ = 25oC .01 .4 1.0 4 10 REVERSE VOLTAGE, ( V ) 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % ) FIG. 5 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT 60 50 8.3ms Single Half Sine-Wave (JEDEC Method) 40 30 20 10 0 1 2 4 6 8 10 20 40 NUMBER OF CYCLES AT 60 Hz 80 100 40 80