Comchip SMD Schottky Barrier Diode SMD Diode Specialist RB521S-30 Io = 200 mA V R = 30 Volts RoHS Device Features SOD-523 - Low reverse current. - Low forward voltage. 0.008(0.20) 0.051(1.30) 0.043(1.10) REF - Designed for mounting on small surface. 0.033(0.85) 0.030(0.75) 0.014(0.35) 0.010(0.25) - Extremely thin package. - Majority carrier conduction. 0.067(1.70) 0.059(1.50) Mechanical data - Case: SOD-523 standard package, Molded plastic. 0.006(0.15) 0.003(0.08) 0.031(0.77) 0.020(0.51) - Terminals: solderable per MIL-STD-750,method 2026. 0.003(0.07) 0.001(0.01) - Marking code: cathode band & C Dimensions in inches and (millimeter) - Mounting position: Any - Weight: 0.0012 gram(approx.). Circuit Diagram Maximum Rating (at T A =25°C unless otherwise noted) Parameter Conditions Symbol Min Typ Max Unit DCReverse voltage VR 30 V Mean rectkfying current IO 200 mA I FSM 1 A Storage temperature T STG +150 O Junction temperature Tj +150 O Peak forward surge current 8.3ms single half sine-wave superimposed on rate load(JEDEC method) -55 C C Electrical Characteristics (at T A =25°C unless otherwise noted) Parameter Conditions Symbol Min Typ Max Unit Forward voltage I F = 200 mA VF 0.5 V Reverse current V R = 10 V IR 30 µA REV:A Page 1 QW-BB044 Comchip Technology CO., LTD. Comchip SMD Schottky Barrier Diode SMD Diode Specialist RATING AND CHARACTERISTIC CURVES (RB521S-30) Fig. 2 - Reverse characteristics Fig.1- Forward Characteristics 1000 TA =1 00 °C Reverse Current, ( uA ) 100 =2 5° C 10 TA Forward Current, (mA) 1000 1 0.1 0.01 0 100 200 300 400 500 O T A =100 C 100 10 O T A =25 C 1 0.1 600 0 5 20 25 30 Fig.4 - Power Derating curve Fig. 3 - Capacitance characteristics T A =25°C f = 1 MHz Power Dissipation, (mV) Capacitance Between Terminals, ( P F) 15 Reverse voltage, (V) Forward Voltage, (mV) 100 10 10 100 80 60 40 20 0 1 0 5 10 15 20 0 Reverse Voltage, (V) 25 50 75 100 125 150 Ambient Temperature, (°C) REV:A Page 2 QW-BB044 Comchip Technology CO., LTD. Comchip SMD Schottky Barrier Diode SMD Diode Specialist Reel Taping Specification T d P0 E P1 Index hole F B W Polarity P A C 12 o 0 D2 D1 D W1 Trailer Device ....... ....... End Leader ....... ....... ....... ....... ....... ..... .. 10 pitches (min) Start 10 pitches (min) Direction of Feed SOD-523 SOD-523 SYMBOL A B C d D D1 D2 (mm) 0.90 ± 0.10 1.94 ± 0.10 0.73 ± 0.10 1.50 + 0.10 178 ± 1.00 54.40 ± 0.40 13.00 ± 0.20 (inch) 0.035 ± 0.004 0.076 ± 0.004 0.029 ± 0.004 0.059 + 0.004 7.008 ± 0.039 2.142 ± 0.016 0.512 ± 0.008 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 3.50 ± 0.05 2.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 8.00 + 0.30 /–0.10 9.50 ± 1.00 (inch) 0.069 ± 0.004 0.138 ± 0.002 0.079 ± 0.004 0.158 ± 0.004 0.079 ± 0.004 0.315 + 0.012 /–0.004 0.374 ± 0.039 REV:A Page 3 QW-BB044 Comchip Technology CO., LTD. Comchip SMD Schottky Barrier Diode SMD Diode Specialist Marking Code Part Number Marking Code RB521S-30 C C Suggested PAD Layout SOD-523 SIZE (mm) (inch) A 1.40 0.055 D A B 0.60 0.024 E C 0.70 0.028 D 2.00 0.079 E 0.80 0.031 C B Standard Packaging Case Type SOD-523 Qty Per Reel Reel Size (Pcs) (inch) 3,000 7 REV:A Page 4 QW-BB044 Comchip Technology CO., LTD.