LL5817 - LL5819 SCHOTTKY BARRIER RECTIFIER DIODES PRV : 20 - 40 Volts IO : 1.0 Ampere MELF Cathode Mark FEATURES : * * * * * * * High current capability High surge current capability High reliability High efficiency Low power loss Low forward voltage drop Pb / RoHS Free 0.102 (2.6) 0.094 (2.4) 0.022(0.55) 0.205(5.2) 0.189(4.8) Dimensions in inches and ( millimeters ) MECHANICAL DATA : * Case : MELF, Plastic * Terminals : Solderable per MIL-STD-202, Method 208 * Polarity : Color band * Approx Weight : 0.25 grams * Mounting Position : Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. RATING SYMBOL LL5817 LL5818 LL5819 UNIT Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 V Maximum RMS Voltage VRMS 14 21 28 V Maximum DC Blocking Voltage VDC 20 30 40 V Maximum Average Forward Current 0.375", 9.5mm Lead Length at TL = 90 C Maximum Peak Forward Surge Current, 8.3ms single half sine wave Superimposed on rated load (JEDEC Method) Maximum Forward Voltage at IF = 1.0 A Maximum Reverse Current IF(AV) 1.0 A IFSM 25 A VF 0.45 0.55 IR 1.0 (Ta = 25C) 0.60 V mA IR(H) 10 (Ta = 100C) mA RJA CJ 80 C/W 110 pF Junction Temperature Range TJ - 65 to + 125 C Storage Temperature Range TSTG - 65 to + 125 C at Rated DC Blocking Voltage Typical Thermal Resistance (Note 1) Typical Junction Capacitance (Note 2) Notes : (1) Thermal Resistance from junction to ambient (2) Measured at 1 MHz and applied reverse voltage of 4.0 volts. Page 1 of 2 Rev. 01 : April, 2005 RATING AND CHARACTERISTIC CURVES ( LL5817 - LL5819 ) 25 1.0 0.8 0.6 0.4 0.2 0 0 20 40 60 80 100 120 20 15 10 5 0 140 1 2 4 6 10 20 40 60 100 LEAD TEMPERATURE, (C) NUMBER OF CYCLES AT 60Hz FIG.3 - TYPICAL FORWARD CHARACTERISTICS FIG.4 - TYPICAL REVERSE CHARACTERISTICS LL5817 10 REVERSE CURRENT, MILLIAMPERES 20 FORWARD CURRENT, AMPERES FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT, AMPERES FIG.1 - FORWARD CURRENT DERATING CURVE LL5819 LL5818 1.0 TJ = 25 C PULSE WIDTH = 300s 0.1 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 10 TJ= 100 C 1.0 TJ = 25 C 0.1 0.01 0 20 40 60 80 10 0 12 0 14 0 PERCENT OF RATED REVERSE VOLTAGE, (%) FORWARD VOLTAGE, VOLTS Page 2 of 2 Rev. 01 : April, 2005