SMD Schottky Barrier Diodes RB521BS-30 IO=100mA VR=30V RoHS Device 0402/SOD-882 Features 0.041(1.05) 0.037(0.95) - Small surface mounting type. - Low profile package. 0.026(0.65) 0.022(0.55) - Low VF - High reliability. Mechanical Data 0.015(0.37) 0.013(0.33) - Case: Molded plastic 0402/SOD-882 0.012(0.30) 0.008(0.20) - Terminals: Solderable per MIL-STD-750, method 2026. 0.008(0.20) Typ. - Polarity: Indicated by cathode band. - Mounting position: Any. 0.021(0.54) 0.017(0.44) Circuit Diagram Dimensions in inches and (millimeter) 1 Cathode 2 Anode Maximum Ratings (at Ta=25°C unless otherwise noted) Symbol Value Unit DC reverse voltage VR 30 V Average rectifierd forward current IO 100 mA IFSM 500 mA TJ 125 °C Tstg -40 to +125 °C Parameter Peak forward surge current (60Hz.1cycle) Operation junction temperature range Storage temperature range Electrical Characteristics (at Ta=25°C unless otherwise noted) Conditions Parameter Symbol Min. Max. Unit Forward voltage IF=10mA IF=20mA VF - 0.35 0.40 V Reverse current VR=10V IR - 10 μA Company reserves the right to improve product design , functions and reliability without notice. QW-BA020 REV:A Page 1 SMD Schottky Barrier Diodes ELECTRICAL CHARACTERISTIC CURVES (RB521BS-30) Fig.1- Forward Characteristics Fig.2- Reverse Characteristics 1000 10000 100 1000 10 Reverse current, (uA) Forward current, (mA) TA=150°C -25°C 25°C 1 75°C 0.1 125°C 10 TA=25°C 1 TA=-25°C 0.1 0.01 0.01 0.001 0 100 200 300 400 500 20 10 0 600 30 Forward voltage, (mV) Reverse voltage, (V) Fig.3- Capacitance between terminals Fig.4- Dearting curve,(Io-Tc) 100 0.3 f=1MHz Average rectified forward current, (A) Capacitance between terminals, (pF) TA=75°C 100 10 0.2 0.1 0 1 0 5 10 15 20 Reverse voltage, (V) 0 25 50 75 100 125 Case temperature, (°C) Fig.4- Dearting curve,(Io-Ta) Forward current, (A) 0.3 0.2 0.1 0 0 25 50 75 100 125 Ambient temperature,(°C) Company reserves the right to improve product design , functions and reliability without notice. QW-BA020 REV:A Page 2 SMD Schottky Barrier Diodes Reel Taping Specification d P0 P1 T E F W B A C P 12 o 0 D2 D1 D W1 Trailer ....... ....... End Device ....... ....... Leader ....... ....... ....... ....... 10 pitches (min) Start 10 pitches (min) Direction of Feed 0402 (SOD-882) 0402 (SOD-882) SYMBOL A B C d D D1 D2 (mm) 0.75 ± 0.10 1.15 ± 0.10 0.42± 0.10 1.50 + 0.10 178 MAX. 50.0 MIN. 13.0 ± 0.50 (inch) 0.028 ± 0.002 0.044 ± 0.002 0.094 mm 0.059 + 0.004 7.008 MAX. 1.969 MIN. 0.512 ± 0.020 SYMBOL E F P P0 P1 T W W1 (mm) 1.75 ± 0.10 3.50 ± 0.05 2.00 ± 0.05 4.00 ± 0.10 2.00 ± 0.05 0.60 MAX. 8.30 MAX. 10.90 MAX. (inch) 0.069 ± 0.004 0.138 ± 0.002 0.079 ± 0.002 0.157 ± 0.004 0.079 ± 0.002 0.024 MAX. 0.327 MAX. 0.43 MAX. Company reserves the right to improve product design , functions and reliability without notice. REV: A Page 3 QW-BA020 Comchip Technology CO., LTD. SMD Schottky Barrier Diodes Marking Code Part Number Marking Code RB521BS-30 F F Suggested PAD Layout 0402/SOD-882 SIZE (mm) (inch) A 0.700 0.028 B 0.400 0.016 C 0.700 0.028 D 1.100 0.043 D A E C B E 0.300 0.012 Standard Packaging Case Type 0402/SOD-882 Qty Per Reel Reel Size (Pcs) (inch) 10,000 7 Company reserves the right to improve product design , functions and reliability without notice. QW-BA020 REV:A Page 4