1N18

1 N17 THRU 1N19 SCHOTTKY BARRIER RECTIFIER SEMICONDUCTOR Reverse Voltage - 20 to 40 Volts Forward Current - 1.0Ampere FEATURES Plastic package has Underwriters Laboratory Flammability Classification 94V-0 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 R-1 MECHANICAL DATA Case: R-1 molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750,method 2026 Polarity: color band denotes cathode end Mounting Position: Any Weight: 0.007ounce,0.20 gram Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (Ratings at 25 C 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 Maximum RMS voltage Maximum DC blocking voltage Maximum non-repetitive peak reverse voltage Maximum average forward rectified current 0.375"(9.5mm)lead length at TL=90 C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) at TL=70 C Maximum instantaneous forward voltage at 1.0 A(note 1 ) Maximum instantaneous forward voltage at 3.1 A(note 1 ) Maximum instantaneous reverse TA =25 C current at rated DC blocking TA =100 C voltage(Note 1) Typical junction capacitance(Note 3) Typical thermal resistance(Note 2) Operating junction and storage temperature range 1N17 20 14 20 24 1N18 30 21 30 36 1.0 1N19 40 28 40 48 Units VRRM VRMS VDC VRSM I(AV) IFSM VF VF IR CJ R JA R JL TJ ,TSTG Volts Volts Volts Volts Amp Amps 25.0 0.450 0.750 0.550 0.875 0.5 10.0 110.0 50.0 15.0 -65 to +125 0.600 0.900 Volts mA PF C/W C Notes: 1.Pulse test: 300 s pulse width,1% duty cycle 2.Thermal resistance (from junction to ambient)Vertical P .C.B. mounted , 0.5"(12.7mm)lead length 3.Measured at 1.0MHz and reverse voltage of 4.0 volts 1-5 JINAN JINGHENG CO., LTD. NO.51 HEPING ROAD PR CHINA TEL:86-531-6943657 FAX:86-531-6947096 WWW.JIFUSEMICON.COM SCHOTTKY RECTIFIER R ATINGS AND CHARACTERISTIC CURVES 1N17 THRU 1N19 FIG.1-FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT AMPERES FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT RESISTIVE OR INDUCTIVE LOAD 0.375" (9.5MM) LEAD LENGTH LEAD TEMPERATURE ( C) NUMBER OF CYCLES AT 60Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT( AMPERES) TJ=125 C PULSE WIDTH=300 S 1% DUTY CYCLE INSTANTANEOUS REVERSE CURRENT MILL (AMPERES) PEAK FORWARD SURGE CURRENT(AMPERES) TJ=TJMAX 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) FIG.4-TYPICAL REVERSE CHARACTERISTICS TJ=25 C TJ=125 C TJ=75 C TJ=25 C INSTANTANEOUS FORWARD VOLTAGE (VOLTS) PERCENT OF RATED PEAK REVERSE VOLTAGE% FIG.5-TYPICAL JUNCTION CAPACITANCE FIG.6-TYPICAL TRANSIENT THERMAL IMPEDANCE TRANSIENT THERMAL IMPEDANCE, C/ W JUNCTION CAPACITANCE(pF) TJ=25 C f=1.0MHZ Vsig=50mVp-p REVERSE VOLTAGE. VOLTS T, PULSE DURATION ,sec. 1-6 JINAN JINGHENG CO., LTD. NO.51 HEPING ROAD PR CHINA TEL:86-531-6943657 FAX:86-531-6947096 WWW.JIFUSEMICON.COM SCHOTTKY RECTIFIER