1N5817 - 1N5819 SCHOTTKY BARRIER RECTIFIER DIODES PRV : 20 - 40 Volts IO : 1.0 Ampere DO - 41 FEATURES : * * * * * * * High current capability High surge current capability High reliability High efficiency Low power loss Low cost Low forward voltage drop 0.205 (5.20) 0.160 (4.10) 1.00 (25.4) MIN. 0.034 (0.86) 0.028 (0.71) MECHANICAL DATA : * Case : DO-41 Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.339 gram 1.00 (25.4) MIN. 0.107 (2.74) 0.080 (2.03) Dimensions in inches and ( millimeters ) 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 1N5817 1N5818 1N5819 UNIT 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 Peak Forward Surge Current, 8.3ms single half sine wave Superimposed on rated load (JEDEC Method) TL = 70 °C Maximum Forward Voltage at IF = 1.0 Amp. Maximum Reverse Current Ta = 25 °C at Rated DC Blocking Voltage (Note 1) Ta = 100 °C Typical Thermal Resistance (Note 2) Typical Junction Capacitance (Note 3) Junction Temperature Range Storage Temperature Range VRRM VRMS VDC 20 14 20 30 21 30 40 28 40 Volts Volts Volts IF(AV) 1.0 Amp. IFSM VF IR IR(H) RθJL CJ TJ TSTG 25 0.55 1.0 10 15 110 - 65 to + 125 - 65 to + 125 Amps. Volt. mA mA °C/W pF °C °C 0.45 0.6 Notes : (1) Pulse Test : Pulse Width = 300 µs, Duty Cycle = 2%. (2) Thermal Resistance from junction to lead, PC board Mounting with 0.375" (9.5mm) Lead Lengths and 1.5 in2 (38.1mm2) copper pads. (3) Measured at 1 MHz and applied reverse voltage of 4.0 volts. UPDATE : SEPTEMBER 12, 1998 RATING AND CHARACTERISTIC CURVES ( 1N5817 - 1N5819 ) FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 25 1.0 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT, AMPERES FIG.1 - FORWARD CURRENT DERATING CURVE 0.8 0.6 0.4 0.2 0 0 20 40 60 80 100 120 20 15 10 5 0 140 1 LEAD TEMPERATURE, (°C) 1N5819 1N5818 1.0 TJ = 25 °C PULSE WIDTH = 300µs DUTY CYCLE = 1% 0.1 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 FORWARD VOLTAGE, VOLTS 6 10 20 40 60 100 1.9 FIG.4 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MILLIAMPERES FORWARD CURRENT, AMPERES 20 10 4 NUMBER OF CYCLES AT 60Hz FIG.3 - TYPICAL FORWARD CHARACTERISTICS 1N5817 2 10 TJ = 100 °C 1.0 TJ = 25 °C 0.1 0.01 0 2.1 20 40 60 80 100 120 PERCENT OF RATED REVERSE VOLTAGE, (%) 140