CURRENT 1.0 Ampere VOLTAGE 20 to 40 Volts SM5817 THRU SM5819 Features · The plastic package carries Underwrites Laboratory Flammability Classification 94V-0 · For surface mounted applications · Glass passivated junction · High temperature soldering guaranteed: 250℃/10 seconds, at terminals MELF (DO-41) SOLDERABLE ENDS 0.024(0.60) 0.018(0.46) Mechanical Data 0.105(2.70) 0.095(2.40) 0.205(5.20) 0.190(4.80) · Case : JEDEC MELF(DO-41) molded plastic body · Terminals : Lead solderable per MIL-STD-750, method 2026 · Polarity : Color band denotes cathode end · Mounting Position : Any · Weight : 0.0041 ounce, 0.116 gram Dimensions in inches and (millimeters) Maximum Ratings And Electrical Characteristics (Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) Symbols SM5817 SM5818 SM5819 Units Maximum recurrent 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 average forward rectified current at TL=90℃ I(AV) 1.0 Amp Peak forward surge current 8.3ms half sine wave superimposed on rated load (JEDEC method) IFSM 25.0 Amps Maximum instantaneous forward voltage at 1.0A VF 0.450 0.550 0.600 Volts Maximum instantaneous forward voltage at 3.0A VF 0.750 0.875 0.900 Volts Maximum DC reverse current at rated DC blocking voltage TA=25℃ TA=100℃ Typical thermal resistance (Note 2) Typical junction capacitance (Note 1) Operating and storage temperature range 1.0 IR RθJA CJ 110 70 -55 to +125 TSTG -55 to +150 (1) Measured at 1MHz and applied reverse voltage of 4.0V DC. (2) Thermal resistance from junction to ambient ℃/W 80.0 TJ Notes: μA 10.0 pF ℃ FIG . 2 - TYPICAL JUNCTION CAPACITANCE 400 FIG . 1 - MAXIMUM FORWARD CURRENT DERATING CURVE 1.0 JUNCTION CAPACITANCE . ( pF ) AVERAGE FORWARD CURRENT . ( A ) RATINGS AND CHARACTERISTIC CURVES SM5817-SM5819 .75 .50 .25 0 0 20 40 60 80 100 120 140 200 Tj = 25 OC 100 80 60 40 20 10 .1 .4 LEAD TEMPERATURE . ( C ) O 20 10 SM5817 1.0 0.1 .1 SM5818-SM5819 .3 .5 .7 Tj = 25 OC Pulse Width = 300 s 1% Duty Cycle .9 1.1 1.3 1.5 1.7 FORWARD VOLTAGE . ( V ) 1.9 2.1 PEAK FORWARD SURGE CURRENT . ( A ) INSTANTANEOUS FORWARD CURRENT . ( A ) FIG.3-TYPICAL FORWARDCHARACTERISTICS 30 1.0 4 10 REVERSE VOLTAGE . ( V ) 40 80 100 FIG . 4 - MAXIMUM NON- REPETITIVE FORWARD SUGE CURRENT 25 8.3ms Single Half Sine Wave JEDEC Method 20 15 10 5 0 1 2 5 10 20 NUMBER OF CYCLES AT 60Hz 50 1 00