B0520W

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 Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Average Rectified Output Current Non-Repetitive Peak Forward Surge Current 8.3ms single half sine-wave superimpose on rated load (JEDEC Method) Typical thermal Resistance junction to Ambient Note (1) Operating & Storage Temperature Range (TA=25 C Unless otherwise noted) Symbol VRRM VRWM VR VR(RMS) IF(AV) IFSM B0520W 20 14 500 5.5 Unit V V mA A K/W C R JA TJ TSTG 244 -55 to +125 Electrical Characteristics Characteristic (TA=25 C Unless otherwise noted) Symbol V(BR)R Min 20 Max 0.350 0.430 0.285 0.385 75 250 170 Unit V 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 Reverse Current Note(2) VR=10V Tj=25 C VR=20V Tj=25 C Junction capacitance f=1MHZ VR=0VDC VF - V IR - µAdc Cj PF Device Marking Item B0520W Marking BB , SD Eqivalent Circuit diagram 1 2 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 B0520W 1.0 IO, AVERAGE RECITIFIED CURRENT (A) IF, INSTANTNEOUS FWD CURRENT (A) 10 0.75 1.0 0.50 0.1 0.25 0 0 25 50 75 100 125 150 0.01 TJ = 25 C Pulse width = 300µs 2% duty cycle 0 0.2 0.4 0.6 0.8 1.0 TL, LEAD TEMPERATURE ( C) FIG, 1 Forward Current Derating Curve VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig, 2 Typical Forward Characterictics 1000 Cj , CAPACITANCE (pF) 100 10 1.0 0 5 10 15 20 VR.REVERSE VOLTAGE (V) Fig, 3 Typ, Junction Capacitance vs. Reverse Voltage WEITRON http://www.weitron.com.tw