LL5817 THRU LL5819 1.0 AMP. Surface Mount Schottky Barrier Rectifiers Voltage Range 20 to 40 Volts Current 1.0 Ampere MELF Features Surge overload ratings to 25 amperes peak Ideal for printed circuit board Reliable low cost construction utilizing molded plastic technique results in inexpensive product Mounting position: Any Weight: 0.12 gram Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25℃ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol Type Number LL5817 Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @TL = 90℃ Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @1.0A Maximum Instantaneous Forward Voltage @3.0A Maximum DC Reverse Current @ TA=25℃ at Rated DC Blocking Voltage @ TA=100℃ Typical Thermal Resistance (Note 1) Typical Junction Capacitance ( Note 2 ) Operating and Storage Temperature Range VRRM VRMS VDC 20 14 20 LL5818 LL5819 Units 30 21 30 40 28 40 V V V I(AV) 1.0 A IFSM 25 A VF VF IR RθJA Cj TJ,TSTG 0.450 0.750 0.550 0.600 0.875 0.900 1.0 10 80 110 - 65 to + 125 / - 65 to + 150 Notes: 1. Thermal Resistance Junction to Ambient 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 Volts D.C. - 42 - V V mA mA ℃/W pF ℃ RATINGS AND CHARACTERISTIC CURVES (LL5817 THRU LL5819) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE FIG.2- TYPICAL JUNCTION CAPACITANCE 400 JUNCTION CAPACITANCE.(pF) AVERAGE FORWARD CURRENT. (A) 1.0 .75 .50 .25 200 O Tj=25 C 100 80 60 40 20 10 0 0 20 40 60 80 100 120 140 .1 .4 O LEAD TEMPERATURE. ( C) 10 40 80 100 FIG.4- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 30 PEAK FORWARD SURGE CURRENT. (A) INSTANTANEOUS FORWARD CURRENT. (A) FIG.3- TYPICAL FORWARD CHARACTERISTICS LL5817 1.0 LL5818~LL5819 Tj=25oC Pulse Width=300 s 1% Duty Cycle 0.1 .1 4 REVERSE VOLTAGE. (V) 20 10 1.0 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1 FORWARD VOLTAGE. (V) 25 8.3ms Single Half Sine Wave JEDEC Method 20 15 10 5 0 1 2 5 10 20 NUMBER OF CYCLES AT 60Hz - 43 - 50 100