SMD Schottky Barrier Diodes RB521S-30 Io = 200 mA VR = 30 Volts RoHS Device Features SOD-523 - Low reverse current. - Low forward voltage. 0.008(0.20) REF 0.051(1.30) 0.043(1.10) - Designed for mounting on small surface. 0.035(0.90) 0.028(0.70) 0.014(0.35) 0.010(0.25) - Extremely thin package. - Majority carrier conduction. 0.067(1.70) 0.059(1.50) Mechanical data 0.008(0.20) 0.003(0.07) 0.031(0.77) 0.020(0.50) - Case: SOD-523 standard package, molded plastic. - Terminals: Solderable per MIL-STD-750, method 2026. Dimensions in inches and (millimeter) - Polarity: Color band denotes cathode end. - Mounting position: Any Circuit Diagram - Weight: 0.0012 grams(approx.). Maximum Ratings (at T =25°C unless otherwise noted) A Symbol Value Unit DC reverse voltage VR 30 V Mean rectifying current IO 200 mA IFSM 1 A PD 150 mW RΘJA 667 °C Junction temperature range Tj -40 to +125 °C Storage temperature range TSTG -55 to +150 °C Parameter Non-repetitive peak forward surge current Conditions 8.3ms single half sine-wave superimposed on rate load(JEDEC method) Power dissipation Thermal resistance Junction to ambient Electrical Characteristics (At Ta=25°C, unless otherwise noted) Parameter Conditions Symbol Min Typ Max IF = 10 mA VF1 0.35 IF = 200 mA VF2 0.50 IR 30 Forward voltage Reverse current Unit V VR = 10 V µA Company reserves the right to improve product design , functions and reliability without notice. REV:C QW-BB044 Page 1 Comchip Technology CO., LTD. SMD Schottky Barrier Diodes RATING AND CHARACTERISTIC CURVES (RB521S-30) Fig.2 - Typical Reverse Characteristics Fig.1 - Typical Forward Characteristics 1000 Reverse Current, IR ( uA ) Forward Current, IF (mA) 1000 100 TJ=125°C TJ=100°C TJ=75°C 10 TJ=50°C TJ=25°C 1 TJ=100°C TJ=75°C 10 TJ=50°C 1 TJ=25°C 0 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0 5 10 15 20 25 Forward Voltage, VF (V) Reverse Voltage, VR (V) Fig.3 - Typical Capacitance Characteristics Fig.4 - Power Derating Curve 100 30 180 Ta=25°C f=1MHZ Power Dissipation, PD (mW) Capacitance Between Terminals, CT , (pF) TJ=125°C 100 10 150 120 90 60 30 0 1 0 5 10 15 20 25 0 Reverse Voltage, VR (V) 50 75 100 125 Ambient Temperature, Ta (°C) Company reserves the right to improve product design , functions and reliability without notice. REV:C QW-BB044 Page 2 Comchip Technology CO., LTD. SMD Schottky Barrier Diodes Reel Taping Specification P1 B F W E d P0 A C 12 o 0 D2 D1 D W1 Trailer Tape Leader Tape 100±4 Empty Pockets SOD-523 SOD-523 200±4 Empty Pockets Components 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 12.30 ± 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 0.484 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. REV:C QW-BB044 Page 3 Comchip Technology CO., LTD. SMD Schottky Barrier Diodes Marking Code Part Number Marking Code RB521S-30 C C Suggested PAD Layout SOD-523 D SIZE (mm) (inch) A 1.42 0.056 B 0.60 0.024 C 0.70 0.028 D 2.02 0.080 A E C B E 0.82 0.032 Standard Packaging REEL PACK Case Type SOD-523 REEL Reel Size ( pcs ) (inch) 8,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:C QW-BB044 Page 4 Comchip Technology CO., LTD.