LL5818

LL5817 - LL5819 PRV : 20 - 40 Volts IO : 1.0 Ampere FEATURES : * * * * * * * High current capability High surge current capability High reliability High efficiency Low power loss Low forward voltage drop Pb / RoHS Free SCHOTTKY BARRIER RECTIFIER DIODES MELF Cathode Mark φ 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 Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage 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 at Rated DC Blocking Voltage Typical Thermal Resistance (Note 1) Typical Junction Capacitance (Note 2) Junction Temperature Range Storage Temperature Range SYMBOL VRRM VRMS VDC IF(AV) LL5817 20 14 20 LL5818 30 21 30 1.0 LL5819 40 28 40 UNIT V V V A IFSM VF IR IR(H) RθJA CJ TJ TSTG 0.45 25 0.55 1.0 (Ta = 25°C) 10 (Ta = 100°C) 80 110 - 65 to + 125 - 65 to + 125 0.60 A V mA mA °C/W pF °C °C 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 ) FIG.1 - FORWARD CURRENT DERATING CURVE AVERAGE FORW ARD CURRENT, AMPERES 1.0 FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 25 0.8 PEAK FORW ARD SURGE CURRENT, AMPERES 20 0.6 15 0.4 10 0.2 5 0 0 20 40 60 80 100 120 140 0 1 2 4 6 10 20 40 60 100 LEAD TEMPERATURE, (°C) NUMBER OF CYCLES AT 60Hz FIG.3 - TYPICAL FORWARD CHARACTERISTICS REVERSE CURRENT, MILLIAMPERES 20 FIG.4 - TYPICAL REVERSE CHARACTERISTICS 10 TJ= 100 °C FORW ARD CURRENT, AMPERES 10 LL5817 LL5819 1.0 LL5818 1.0 0.1 TJ = 25 °C TJ = 25 °C PULSE WIDTH = 300µ s 0.1 0.1 0.01 0 20 40 60 80 10 0 12 0 14 0 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 PERCENT OF RATED REVERSE VOLTAGE, (%) FORWARD VOLTAGE, VOLTS Page 2 of 2 Rev. 01 : April, 2005