1N5817 thru 1N5819 Reverse Voltage 20 to 40 Volts Schottky Barrier Rectifiers Forward Current 1.0 Ampere Features Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Low power loss, high efficiency For use in low voltage high frequency inverters, free wheeling, and polarity protection applications Guardring for overvoltage protection Mechanical Data Case: DO-204AL(DO-41) molded plastic body Terminals: Plated leads, solderable per MIL-STD-750, Method 2026 High temperature soldering guaranteed: 250C/10 seconds at terminals 0.375" (9.5mm) lead length, 5lbs (2.3kg) tension for axials Polarity: Color band denotes cathode end Weight: plastic body DO-41: 0.33 gram, 0.012 ounce Maximum Ratings and Electrical Characteristics (TA = 25oC unless otherwise noted) Parameter Symbols 1N 5817 1N 5818 1N 5819 Maximum repetitive peak reverse voltage VRRM 20 30 40 Volts Maximum RMS voltage VRMS 14 21 28 Volts Maximum DC blocking voltage V DC 20 30 40 Volts Maximum non-repetitive peak reverse voltage VRSM 24 36 48 Volts Maximum average forward rectified current 0.375" (9.5mm) lead length at TL=90oC IF(AV) 1.0 Amp Peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) at TL=70oC IFSM 25.0 Amps Maximum instantaneous forward voltage at 1.0 (Note 1) VF 0.450 0.550 0.600 Volts Maximum instantaneous forward voltage at 3.1 (Note 1) VF 0.750 0.875 0.900 Volts Maximum average reverse current at rated DC blocking voltage (Note 1) Typical thermal resistance (Note 2) TA= 25oC TA= 100oC - junction-to-ambient (plastic) - junction-to-lead (plastic) IR 1.0 10.0 RJA RJL 50 15 Units mA o C/W Typical junction capacitance at 4.0V, 1.0MHz CJ 110 Operating junction temperature range TJ -55 to +125 o C -55 to +150 o C Storage temperature range Notes: TSTG pF 1. Pulse test: 300us pulse width, 1% duty cycle 2. Thermal resistance from junction to lead vertical P.C.B. mounted, 0.375" (9.5mm) lead length with 1.5 x 1.5" (38 x 38mm) copper pads 299 RATINGS AND CHARACTERISTIC CURVES (TA = 25oC unless otherwise noted) 300