1N18

1N17 thru 1N19 Reverse Voltage 20 to 40 Volts Features Low power loss, high efficiency Low leakage Low forward voltage High current capability High speed switching High surge capabitity High reliability Schottky Barrier Rectifiers Forward Current 1.0 Ampere Mechanical Data Case: Molded plastic Epoxy: UL 94V-O rate flame retardant Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 0.007 ounce, 0.20 gram 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%. Parameter Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375" (9.5mm) lead length at TL=90oC Peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 1.0A DC Maximum instantaneous forward voltage at 3.1A DC Maximum average reverse current at peak reverse voltage Typical thermal resistance (Note 1) Typical junction capacitance (Note 2) Operating junction temperature range Storage temperature range Notes: Symbols VRRM VRMS V DC I(AV) IFSM VF VF IR RθJA CJ TJ TSTG 1N 17 20 14 20 1N 18 30 21 30 1.0 20.0 1N 19 40 28 40 Units Volts Volts Volts Amp Amps 0.450 0.750 0.550 0.875 1.0 10.0 80 110 -55 to +125 -55 to +150 0.600 0.900 Volts Volts mA o @TA = 25oC @TA = 100oC C/W pF o C C o 1. Thermal Resistance (Junction to Ambient): Vertical PC Board Mounting, 0.5" (12.7mm) Lead Length. 2. Measured at 1 MHz and applied reverse voltage of 4.0 volts. 301 RATINGS AND CHARACTERISTIC CURVES 302