LL5817 - LL5819 1.0AMP. Surface Mount Schottky Barrier Rectifiers 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 High temperature soldering: o 260 C/ 10 seconds at terminals Mounting position: Any Weight: 0.12 gram Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Type Number Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @TL = 90 oC 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 oC at Rated DC Blocking Voltage @ TA=100 oC Typical Junction Capacitance ( Note 2 ) Typical Thermal Resistance (Note 1) Symbol LL5817 LL5818 LL5819 Units VRRM VRMS VDC 20 14 20 30 21 30 40 28 40 V V V I(AV) 1.0 A IFSM 25 A VF 0.450 0.550 0.600 V VF 0.750 0.875 0.900 V IR Cj 0.1 5 110 80 - 65 to + 125 / - 65 to + 150 RθJA Operating and Storage Temperature Range TJ,TSTG Notes: 1. Thermal Resistance Junction to Ambient 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 Volts D.C. mA mA pF o C/W o C Version: A06 RATINGS AND CHARACTERISTIC CURVES (LL5817 THRU LL5819) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 30 PEAK FORWARD SURGE CURRENT. (A) AVERAGE FORWARD CURRENT. (A) 1.0 .75 .50 .25 25 8.3ms Single Half Sine Wave JEDEC Method 20 15 10 5 0 0 0 20 40 60 80 100 120 1 140 2 5 O LEAD TEMPERATURE. ( C) 10 20 50 100 NUMBER OF CYCLES AT 60Hz FIG.4-TYPICAL REVERSE CHARACTERISTICS FIG.3- TYPICAL FORWARD CHARACTERISTICS 10 10 INSTANTANEOUS REVERSE CURRENT. (mA) INSTANTANEOUS FORWARD CURRENT. (A) 20 LL5817 1.0 LL5818~LL5819 Tj=25oC Pulse Width=300 s 1% Duty Cycle 0.1 .1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1 4 O TJ=100 C 1.0 0.4 0.1 O TJ=25 C 0.04 0.01 0 FORWARD VOLTAGE. (V) FIG.5- TYPICAL JUNCTION CAPACITANCE 100 TRANSIENT THERMAL IMPEDANCE. (OC/W) JUNCTION CAPACITANCE.(pF) 400 Tj=25OC 200 100 80 60 40 20 10 0.1 0.4 1.0 4 10 REVERSE VOLTAGE. (V) 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 40 80 100 FIG.6- TYPICAL TRANSIENT THERMAL CHARACTERISTICS 10 1 0.1 0.01 0.1 1 10 T, PULSE DURATION. (sec) Version: A06 100