SKN7 THRU SKN9 SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 40 Volts Forward Current - 1.0 Ampere Features Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Metal silicon junction, majority carrier conduction Guardring for overvoltage protection 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: 250 /10 seconds, 2.8mm lead length D IM E N S IO N S Mechanical Data D IM A Case: SMA molded plastic body Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.004 ounce, 0.11 gram in c h e s m m M in . M a x . M in . M a x . 0 .2 1 6 0 .2 2 6 5 .4 8 5 .7 4 B 0 .1 7 6 0 .1 8 2 4 .4 8 4 .6 3 C 0 .0 9 4 0 .1 0 0 2 .4 0 2 .5 5 D 0 .1 7 0 0 .1 7 6 4 .3 3 4 .4 8 E 0 .0 3 9 0 .0 5 5 1 .0 0 1 .4 0 F 0 .0 8 0 0 .0 8 1 2 .0 3 2 .0 7 G 0 .0 6 8 0 .0 8 3 1 .7 2 2 .1 0 H 0 .1 1 2 0 .1 1 8 2 .8 5 3 .0 0 J 0 .0 5 7 - 1 .4 4 - K - 0 .0 1 8 - 0 .4 5 L 0 .0 1 6 - 0 .4 0 - M 0 .1 0 9 0 .1 1 5 2 .7 7 2 .9 3 N 0 .1 0 5 0 .1 0 7 2 .6 7 2 .7 3 P 0 .0 7 8 0 .0 8 1 2 .0 0 2 .0 5 Maximum Ratings and Electrical Characteristics Ratings at 25 ambient temperature unless otherwise specified. Symbols SKN7 SKN8 SKN9 Units Volts Maximum repetitive peak reverse voltage VRRM 20 30 40 Maximum RMS voltage VRMS 14 21 28 Volts Maximum DC blocking voltage VDC 20 30 40 Volts Maximum non-repetitive peak reverse voltage V RSM 24 36 48 Volts Maximum average forward rectified current 2.8mm lead length at TL=90 I(AV) 1.0 Amp Peak forward surge current, 8.3mS single half sine-wave superimposed on rated load (MIL-STD-750D 4066 method) at TL=70 IFSM 25.0 Amps Maximum instantaneous forward voltage at 1.0A (Note 1) Maximum instantaneous forward voltage at 3.1A (Note 1) VF VF Maximum instantaneous reverse current TA=25 at rated DC blocking voltage TA=110 IR 1.0 10.0 mA CJ 110.0 F 50.0 15.0 /W Typical junction capacitance (Note 3) Typical thermal resistance (Note 2) Operating junction and storage temperature range R R 0.450 0.750 JA JL TJ, TSTG 0.550 0.875 0.600 0.900 -65 to +125 Notes: (1) Pulse test: 300uS pulse width, 1% duty cycle (2) Thermal resistance from junction to lead, and/or to ambient P.C.B. mounted with 2.8mm lead length with 1.5X1.5 (38X38mm) copper pads (3) Measured at 1.0MHz and applied reverse voltage of 4.0 volts 1 Volts Volts N o te RATINGS AND CHARACTERISTIC CURVES 2 RATINGS AND CHARACTERISTIC CURVES 3