TH09/2479 TH97/2478 www.eicsemi.com 21DQ09 SCHOTTKY BARRIER DIODE DO - 41 PRV : 90 Volts Io : 1.7 Ampere 1.00 (25.4) MIN. 0.107 (2.7) 0.080 (2.0) FEATURES : * * * * * IATF 0113686 SGS TH07/1033 High surge capability High efficiency Low power loss Low forward voltage drop Pb / RoHS Free 0.205 (5.2) 0.161 (4.1) 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 : 0.335 gram Dimensions in inches and ( millimeters ) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATING SYMBOL VALUE UNIT Maximum Repetitive Peak Reverse Voltage VRRM 90 V Maximum Average Forward Current , Ta = 32 °C Half Sine wave Resistive Load Ta = 47 °C IF(AV) 1.3 (1) 1.7 (2) A IF(RMS) 2.7 A IFSM 70 A Maximum Forward Voltage at I F = 2.0 A, TJ = 25 °C VF 0.85 V Maximum Reverse Current , VR = VRRM, TJ = 25 °C IRM 1.0 mA RMS Forward Current Maximum Surge Forward Current, Half sine wave, 1 cycle, Non-Repetitive Maximum Thermal Resistance Operating Junction Temperature Range Storage Temperature Range RӨJA 105 (1) 70 (2) °C/W TJ - 40 to + 150 °C TSTG - 40 to + 150 °C Notes : (1) Without Fin or P.C. Board. (2) P.C. Board mounted (Print Land = 5 × 5 mm, Both Sides). Page 1 of 2 Rev. 00 : March 23, 2007 TH09/2479 TH97/2478 www.eicsemi.com IATF 0113686 SGS TH07/1033 RATING AND CHARACTERISTIC CURVES ( 21DQ09 ) FIG.1 - AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 80 DC P.C. Borad mounted (L = 8mm, Print Land = 15 x 15 mm), VRM = 100 V 2.5 PEAK FORWARD SURGE CURRENT, (A) AVERAGE FORWARD OUTPUT CURRENT, AMPERES 3.0 2.0 1.5 Half sine wave 1.0 0.5 0 0 25 50 75 100 125 150 70 f = 50Hz, Half sine wave, Non-repetitive, on load 60 50 40 30 20 IFSM 10 0.02s 0 175 0.02 0.05 0.1 AMBIENT TEMPERATURE, ( °C) 0.2 0.5 2 1 TIME, (s) FIG. 3 - FORWARD CURRENT VS. FOREARD VOLTAGE FIG. 4 – JUNCTION CAPACITANCE VS. REVERSE VOLTAGE 200 JUNCTION CAPACITANCE, pF INSTANTANEOUS FORWARD CURRENT, (A) 10 5 TJ = 150 °C 2 1 TJ = 25 °C 0.5 0.2 0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 INSTANTANEOUS FORWARD VOLTAGE, (V) Page 2 of 2 TJ = 25 °C, Vm = 20 mVRMS, f = 100 kHz, Typical Value 100 50 20 10 0.5 1 2 5 10 20 50 100 200 REVERSE VOLTAGE, (V) Rev. 00 : March 23, 2007