B0520W Surface Mount Schottky Barrier Diodes Features: *Low Forward Voltage *Very Small Conduction Losses *Schottky Barrier Diodes Encapsulated in a SOD-123 Package Description: These schottky barrier diodes are designed for high speed switching applications circuit protection, and voltage clamping, Extremely low forward voltage reduces conduction loss, Miniature surface mount package is excellent for hand held and portable applications where space is limited. SMALL SIGNAL SCHOTTKY DIODES 500m AMPERES 20 VOLTS 1 2 SOD-123 SOD-123 Outline Dimensions Unit:mm SOD-123 Dim A B C D E H J K Min Max 2.55 2.85 1.40 1.80 0.95 1.35 0.50 0.70 0.30 REF 0.10 0.15 3.55 3.85 PIN 1. CATHODE 2. ANODE WEITRON http://www.weitron.com.tw B0520W Maximum Ratings (TA=25 C Unless otherwise noted) Symbol Characteristic B0520W Unit VRRM VRWM VR 20 V VR(RMS) 14 V Average Rectified Output Current IF(AV) 500 mA Non-Repetitive Peak Forward Surge Current 8.3ms single half sine-wave superimpose on rated load (JEDEC Method) IFSM 5.5 A R JA 244 K/W TJ TSTG -55 to +125 C Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Typical thermal Resistance junction to Ambient Note (1) Operating & Storage Temperature Range Electrical Characteristics (TA=25 C Unless otherwise noted) Characteristic Minimum Reverse Breakdown Voltage(2) (IR=250µA) Forward Voltage Note(2) IF=0.1A Tj=25 C IF=0.5A Tj=25 C IF=0.1A Tj=100 C IF=0.5A Tj=100 C Symbol Min Max Unit V(BR)R 20 - V - 0.350 0.430 0.285 0.385 VF Reverse Current Note(2) VR=10V Tj=25 C VR=20V Tj=25 C IR Junction capacitance f=1MHZ VR=0VDC Cj - 75 - 170 µAdc 250 PF Device Marking Item B0520W Marking BB , SD Eqivalent Circuit diagram 1 Note: 1. Valid provited that leads are kept at ambient tememperature. 2. Pulse Test : Pulse width = 300µs, Duty Cycle 2% WEITRON http://www.weitron.com.tw V 2 B0520W 10 IF, INSTANTNEOUS FWD CURRENT (A) IO, AVERAGE RECITIFIED CURRENT (A) 1.0 0.75 0.50 0.25 0 0 25 50 75 100 125 150 1.0 0.1 0.01 TJ = 25 C Pulse width = 300µs 2% duty cycle 0 0.2 0.4 1.0 FIG, 1 Forward Current Derating Curve Fig, 2 Typical Forward Characterictics Cj , CAPACITANCE (pF) 100 10 1.0 0 5 10 15 20 VR.REVERSE VOLTAGE (V) Fig, 3 Typ, Junction Capacitance vs. Reverse Voltage http://www.weitron.com.tw 0.8 VF, INSTANTANEOUS FORWARD VOLTAGE (V) 1000 WEITRON 0.6 TL, LEAD TEMPERATURE ( C)