Comchip SMD Schottky Barrier Diodes SMD Diode Specialist RB521S-30 I o = 200 mA V R = 30 Volts RoHS Device Features SOD-523 -Low reverse current. -Low forward voltage. 0.008(0.20) REF -Designed for mounting on small surface. -Extremely thin package. 0.051(1.30) 0.043(1.10) 0.035(0.90) 0.028(0.70) 0.014(0.35) 0.010(0.25) -Majority carrier conduction. 0.067(1.70) 0.059(1.50) Mechanical data -Case: SOD-523 standard package, molded plastic. 0.008(0.20) 0.003(0.07) 0.031(0.77) 0.020(0.50) -Terminals: Solderable per MIL-STD-750, method 2026. -Polarity: Color band denotes cathode end. Dimensions in inches and (millimeter) -Mounting position: Any -Weight: 0.0012 gram(approx.). Circuit Diagram Maximum Ratings (at T =25°C unless otherwise noted) A Parameter Conditions Symbol Min Typ Max Unit DCReverse voltage VR 30 V Mean rectkfying current IO 200 mA I FSM 1 A Peak forward surge current 8.3ms single half sine-wave superimposed on rate load(JEDEC method) Storage temperature T STG Junction temperature Tj -40 +125 O +125 O C C Electrical Characteristics (At Ta=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:B Page 1 QW-BB044 Comchip Technology CO., LTD. Comchip SMD Schottky Barrier Diodes SMD Diode Specialist RATING AND CHARACTERISTIC CURVES (RB521S-30) Fig.2 - Reverse Characteristics Fig.1 - Forward Characteristics 1 10m 100m 1m O Reverse Current, ( A ) 25 =Ta 5° =2 Ta °C C C °C Ta =1 =7 5° 25 10m Ta Forward Current, (A) Ta=125 C 1m 100µ 10µ O Ta=75 C 100µ O 10µ Ta=25 C 1µ O Ta=-25 C 100n 1µ 10n 0 100 200 300 400 500 600 0 10 20 30 Reverse voltage, (V) Forward Voltage, (mV) Power Dissipation, (mV) Fig.3 - Derating Curve 100 80 60 40 20 0 0 25 50 75 100 125 150 Ambient Temperature, (°C) REV:B Page 2 QW-BB044 Comchip Technology CO., LTD. Comchip SMD Schottky Barrier Diodes SMD Diode Specialist Reel Taping Specification T d P0 E P1 Index hole F W B 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:B Page 3 QW-BB044 Comchip Technology CO., LTD. Comchip SMD Schottky Barrier Diodes SMD Diode Specialist Marking Code Part Number Marking Code RB521S-30 C C Suggested PAD Layout SOD-523 D SIZE (mm) (inch) A 1.40 0.055 B 0.60 0.024 C 0.70 0.028 D 2.00 0.079 E 0.80 0.031 A E C B Standard Packaging REEL PACK Case Type SOD-523 REEL Reel Size ( pcs ) (inch) 3,000 7 REV:B Page 4 QW-BB044 Comchip Technology CO., LTD.