SD103AW/BW/CW Surface Mount Schottky Barrier Diodes SMALL SIGNAL SCHOTTKY DIODES 350m AMPERES 20-40 VOLTS Features: *Low Forward Voltage *Very Small Conduction Losses *Schottky Barrier Diodes Encapsulated in a SOD-123 Package Mechanical Data: 1 *Polarity: Cathode Band *Leads: Solderable per MIL-STD-202 Method 208 *Wight: 0.01grams(approx) 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 SD103AW/BW/CW Maximum Ratings ( TA=25 C Unless otherwise noted) Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage SD103AW SD103BW SD103CW Unit VRRM VRWM VR 40 30 20 V 28 21 14 V VR(RMS) IFAV Average Rectified Output Current Non-Repetitive Peak Forward Surge Current @t 1.0S Power Dissipation Symbol 350 mA IFSM 1.5 A PD 400 mW R JA 300 C/W (1) Typical thermal Resistance junction to Ambient Note (1) TJ TSTG Operating & Storage Temperature Range E lectr ical C har acter istics Forward Voltage Note(2) IF=20mA IF=200mA Reverse Current Note(2) Symbol SD103AW SD103BW SD103CW V(BR)R VF VR=30V, SD103AW VR=20V,SD103BW VR=10V, SD103CW Junction Capacitance, f=1MHZ, VR=0VDC Reverse Recovery Time C ( T A =25 C Unles s otherwis e noted) Characteristic Reverse Breakdown Voltage (2) -55 to +125 IF=IF=200mA, I rr =0.1*IR,R L=100 Ω IR Min Typ Max Unit 40 30 20 - - V - - 0.37 0.60 V - - 5.0 A Cj 50 PF t rr 10 ns Device Marking Marking Item SD103AW S4 SD103BW S5 SD103CW S6 Eqivalent Circuit diagram S4 Note: 1. Valid provited that leads are kept at ambient tememperature. 2. Pulse Test : Pulse width = 300us, Duty Cycle 2% WEITRON http://www.weitron.com.tw 1 2 SD103AW/BW/CW 1000 IF, INSTANTNEOUS FWD CURRENT (A) Cj , CAPACITANCE (pF) 100 10 1.0 100 10 1.0 0.10 0.1 0 10 20 30 40 0.01 0 0.5 1.0 VR.REVERSE VOLTAGE (V) FIG. 1 Typ, Junction Capacitance vs. Reverse Voltage VF, INSTANTANEOUS FORWARD VOLTAGE (V) FIG. 2 Typical Forward Characterictics WEITRON http://www.weitron.com.tw