CE 1N5817 THRU 1N5819 CHENYI ELECTRONICS SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 40 Volts Forward Current - 1.0Ampere FEATURES . Plastic package has Underwriters Laboratory Flammability Classification 94-0 . Metal sliicon junction ,majority carriet conduction . Guard ring for overcoltage 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 polarilty protection applications . High temperature soldering guaranteed: 250 /10 seconds at terminals, . 375"(9.5mm)lead length,5lbs.(2.3kg)tension MECHANICAL DATA . Case: JEDEC MELG DO-41 molded plastic body . Terminals: Plated axial leads,solderable per MIL-STD-750,method 2026 . Polarity: color band denotes cathode end . Mounting Position: Any . Weight: 0.012 ounce, 0.33 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (Ratings at 25 ambient temperature unless otherwise specified,Single phase,half wave,resistive or inductive) load. For capacitive load,derate by 20%) Symbols Maximum repetitive peak reverse voltage VRRM Maximum RMS voltage 1N5817 1N5818 1N5819 Units 20 30 40 Volts VRMS 14 21 28 Volts Maximum DC blocking voltage VDC 20 30 40 Volts Maximum non-repetitive peak reverse voltage VRSM 24 36 48 Volts Macimum average forward rectified I(AV) 1.0 Amp IFSM 25.0 Amps current 0.375"(9.5mm)lead length at TL=90 Peak forward surge current 8.3ms singel half sine-wave superimposed on rated load (JEDEC method) at TL=70 ) Maximum instantaneous forward voltage at 1.0 A(Note 1) VF 0.450 0.550 0.600 Volts Maximum instantaneous forward voltage at 3.1 A(Note 1) VF 0.750 0.875 0.900 Volts Maximum instantaneous reverse TA=25 current at rated DC blocking voltage(Note 1) TA=100 Typeical junction capacitance(Note 3) Typeical thermal resistance mA 10.0 R R (Note 2) s IR 110.0 CJ Operating junction and storage temperature range Notes: 1. Pulse test: 300 0.5 JA 50.0 JL 15.0 pF /W TJ/TSTG -65 to +125 pulse width,1% duty cycle 2.Thermal resistance (from junction to ambient)Vertical P.C.B. Mounted, with 1.5X1.5"(38X38mm)copper pads 3.Measured at 1.0MHz and reverse voltage of 4.0 volts Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 1 of 2 CE 1N5817 THRU 1N5819 CHENYI ELECTRONICS SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 40 Volts Forward Current - 1.0Ampere RATINGS AND CHARACTERISTIC CURVES 1N5817 THRU 1N5819 FIG.2-MAXIMUM NON-REPETITIVE PEAK FLG.1-FORWARD CURRENT DERATING CURVE FORWARD SURGE CURRENT FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS FIG.5-TYPICAL JUNCTION CAPACITANCE FIG.6-TYPICAL TRANSIENT THERMAL IMPEDANCE Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 2 of 2