CURRENT 1.0Ampere VOLTAGE 20 to 40 Volts 1N17 THRU 1N19 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 0.102(2.6) 0.091(2.3) DIA. 0.787(20.0) MIN. 0.126(3.2) 0.106(2.7) 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 · Weight : 0.007 ounce, 0.20 gram 0.787(20.0) MIN. 0.025(0.65) 0.021(0.55) DIA. Dimensions in inches and (millimeters) 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 1N17 1N18 1N19 Units Maximum repetitive peak reverse voltage VRRM 20 30 40 Volts Maximum RMS voltage 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 Maximum average forward rectified current 0.375"(9.5mm) lead length at TL=90℃ I(AV) 1.0 Amp Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC 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 2) VF VF Maximum instantaneous reverse current at rated DC blocking voltage (Note1) Typical junction capacitance (Note 3) Typical thermal resistance (Note 2) Operating junction temperature range 0.450 0.750 TA=25℃ TA=100℃ 0.550 0.875 0.600 0.900 Volts 0.5 IR 10.0 mA CJ 110.0 PF RθJA RθJL 50.0 15.0 ℃/W TJ, TSTG -65 to +125 ℃ Notes: (1) Pulse test: 300μS pulse width, 1% duty cycle (2) Thermal resistance from junction to ambient P.C.B. mounted, 0.5"(12.7mm) lead length (3) Measured 1.0MHz and reverse voltage of 4.0 volts RATINGS AND CHARACTERISTIC CURVES 1N17 THRU 1N19 FIG.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT FIG.1-FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 1 30 25 PEAK FORWARD SURGE CURRENT(AMPERES) 0.75 0.5 RESISTIVE OR INDUCTIVE LOAD 0.375" (9.5MM) LEAD LENGTH 0.25 0 0 20 40 60 80 100 120 140 TJ=TJMAX 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 20 15 10 5 0 1 LEAD TEMPERATURE (℃) 10 100 NUMBER OF CYCLES AT 60Hz FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG.4-TYPICAL REVERSE CHARACTERISTICS 100 10 INSTANTANEOUS REVERSE CURRENT MILL (AMPERES) INSTANTANEOUS FORWARD CURRENT (AMPERES) 20 ㎲ TJ=125℃ PULSE WIDTH=300 1% DUTY CYCLE 1 TJ=25℃ 0.1 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 10 TJ=125℃ 1.0 0.1 TJ=75℃ 0.01 TJ=25℃ 0.001 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) FIG.5-TYPICAL JUNCTION CAPACITANCE FIG.6-TYPICAL TRANSIENT THERMAL IMPEDANCE 400 TJ=25℃ f=1.0MHz Vsig=50mVp-p 100 10 0.1 1 10 REVERSE VOLTAGE. VOLTS 100 TRANSIENT THERMAL IMPEDANCE,℃/ W JUNCTION CAPACITANCE(pF) 100 10 1 0.1 0.01 0.1 1 T, PULSE DURATION, sec. 10 100