B0520WS Surface Mount Schottky Barrier Diode P b Lead(Pb)-Free Features: SCHOTTKY DIODE 500m AMPERES 20 VOLTS * Low Forward Voltage Drop * Guard Ring Construction for Transient Protection * High Conductance Mechanical Data: * Case: SOD-323 * Plastic Material –UL Recognition Flammability Classification 94V-O * Leads: Solderable per MIL-STD-202, Method 208 * Polarity: Cathode Band * Weight: 0.004 grams(approx.) SOD-323 SOD-323 Outline Demensions Unit:mm Dim A B C D E H J K MILLMETERS Min Max 1.60 1.80 1.15 1.35 0.80 1.00 0.25 0.40 0.15 REF 0.00 0.10 0.089 0.177 2.30 2.70 PIN 1.CATHODE 2.ANODE WEITRON http://www.weitron.com.tw 1/3 02-Nov-06 B0520WS Maximum Ratings (TA=25°C Unless otherwise noted) Characteristic Symbol Value Unit Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage VRRM VRWM VR 20 V RMS Reverse Voltage VR(RMS) 14 V Average Rectified Output Current IO 500 mA Peak Forward Surge Current IFSM 2.0 A Power Dissipation Pd 250 mW RθJA 426 °C/W TJ +125 °C TSTG -55 to +125 °C Thermal Resistance junction to Ambient Operating Temperature Range Storage Temperature Range Electrical Characteristics (TA=25˚C Unless otherwise noted) Value Unit V(BR)R 20 V Forward Voltage IF=0.1A IF=0.5A VF 0.31 0.43 V Reverse Current VR=10V VR=20V IR 100 250 µA Capacitance between terminals VR=0V, f=1.0MHz CT 170 pF Characteristic Symbol Reverse Breakdown Voltage IR=250µA Device Marking Item Marking B0520WS SD WEITRON http://www.weitron.com.tw Eqivalent Circuit diagram 1 2/3 2 02-Nov-06 B0520WS Electrical Characteristic curves(TA=25˚C) IF, INSTANTANEOUS FORWARD CURRENT (A) IF(AV), AVERAGE F RWARD CURRENT (A) 1.0 0.75 0.50 0.25 0 0 50 25 100 75 125 150 10 1 TA = 125ºC TA = 100ºC 0.1 TA = 75ºC TA = 0ºC 0 0.6 0.4 0.8 1.0 70 f = 1MHz 1000 60 CT, TOTAL CAPACITANCE (pF) TA = 100ºC TA = 75ºC TA = 25ºC 10 1 TA = 0ºC 0.1 TA = -65ºC 0.01 0.001 0.2 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics TA = 125ºC 100 TA = -65ºC 0.001 TT, TERMINAL TEMPERATURE (°C) Fig. 1 Forward Current Derating Curve 10,000 TA = 25ºC 0.01 50 40 30 20 10 0 10 0 20 0 VR, REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics WEITRON http://www.weitron.com.tw 5 10 15 20 VR, REVERSE VOLTAGE (V) Fig. 4 Typ. Total Capacitance vs Reverse Voltage 3/3 02-Nov-06