LL5818

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) 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% Maximum Ratings and Electrical Characteristics 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 VRRM VRMS VDC I(AV) IFSM VF VF IR LL5817 20 14 20 LL5818 30 21 30 1.0 25 LL5819 40 28 40 Units V V V A A 0.450 0.750 0.550 0.875 0.600 0.900 V V mA mA pF o C/W o C Cj 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. 0.1 5 110 80 - 65 to + 125 / - 65 to + 150 Version: A06 RATINGS AND CHARACTERISTIC CURVES (LL5817 THRU LL5819) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 1.0 30 FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT. (A) AVERAGE FORWARD CURRENT. (A) 25 .75 8.3ms Single Half Sine Wave JEDEC Method 20 .50 15 10 .25 5 0 0 20 40 60 80 100 120 140 O LEAD TEMPERATURE. ( C) 0 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz FIG.3- TYPICAL FORWARD CHARACTERISTICS 20 FIG.4-TYPICAL REVERSE CHARACTERISTICS 10 INSTANTANEOUS REVERSE CURRENT. (mA) INSTANTANEOUS FORWARD CURRENT. (A) 10 4 LL5817 TJ=100 C 1.0 O 0.4 1.0 LL5818~LL5819 0.1 TJ=25 C O 0.04 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 0.01 0 20 40 60 80 100 120 140 FORWARD VOLTAGE. (V) PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) FIG.5- TYPICAL JUNCTION CAPACITANCE 400 100 FIG.6- TYPICAL TRANSIENT THERMAL CHARACTERISTICS JUNCTION CAPACITANCE.(pF) 200 Tj=25OC TRANSIENT THERMAL IMPEDANCE. (OC/W) 80 100 100 80 60 40 10 1 20 10 0.1 0.4 1.0 4 10 REVERSE VOLTAGE. (V) 40 0.1 0.01 0.1 1 10 T, PULSE DURATION. (sec) 100 Version: A06