DONGGUAN NANJING ELECTRONICS LTD., SOD-323 Plastic-Encapsulate Diodes B5817WS-5819WS SCHOTTKY BARRIER DIODE SOD-323 FEATURES For use in low voltage, high frequency inverters Free wheeling, and polarity protection applications MARKING: B5817WS:SJ B5818WS:SK B5819WS:SL The marking bar indicates the cathode Solid dot = Green molding compound device,if none, the normal device. Maximum Ratings and Electrical Characteristics, Single Diode @Ta=25℃ Parameter Symbol B5818WS B5817WS B5819WS Unit Non-repetitive peak reverse voltage VRM 20 30 40 V Peak repetitive peak reverse voltage Working peak reverse voltage DC blocking voltage VRRM VRWM VR 20 30 40 V RMS reverse voltage VR(RMS) 14 21 28 V Average rectified output current IO Non-repetitive Peak Forward Surge Current @t=8.3ms Repetitive peak forward current Power dissipation 1 A IFSM A IFRM 1.5 A Pd 250 mW Thermal resistance junction to ambient RθJA 400 ℃/W Junction temperature TJ 125 ℃ Storage temperature TSTG -55~+150 ℃ ELECTRICAL CHARACTERISTICS (Ta= 25℃ unles s other wise specified) Pa rameter Symbol Test c onditions IR= 1mA Reverse breakdown voltage Reverse voltage leakage current Forward voltage VF CD 20 30 40 VR=20V VR=30V VR=40V B5817WS IF=1A 0.45 IF=3A 0.75 IF=1A 0.55 IF=3A 0.875 IF=1A 0.6 IF=3A 0.9 B5818WS B5819WS Diode capacitance Max B5817WS B5818WS B5819WS B5817WS B5818WS B5819WS V(BR) IR Min VR=4V, f=1MHz 1 Unit V 1 120 mA V V V pF C,Oct,2014 B5817WS Typical Characteristics Forward Characteristics Reverse 1000 (mA) Ta=100℃ REVERSE CURRENT IR FORWARD CURRENT Characteristics 1 IF (mA) 3000 100 Ta=25℃ Ta=100℃ 0.1 Ta=25℃ 0.01 10 200 400 FORWARD VOLTAGE 600 1E-3 0.1 800 Capacitance Characteristics 250 1 10 REVERSE VOLTAGE VF (mV) VR 20 (V) Power Derating Curve 300 (mW) f=1MHz PD 200 150 POWER DISSIPATION CAPACITANCE BETWEEN TERMINALS CT (pF) Ta=25℃ 100 50 0 250 200 150 100 50 0 5 10 REVERSE VOLTAGE VR (V) 15 0 20 0 25 50 75 AMBIENT TEMPERATURE 2 100 Ta 125 150 (℃ ) C,Oct,2014 SOD-323 Package Outline Dimensions Dimensions In Millimeters Min Max 1.000 0.000 0.100 0.800 0.900 0.250 0.350 0.080 0.150 1.200 1.400 1.600 1.800 2.500 2.700 0.475 REF 0.250 0.400 0° 8° Symbol A A1 A2 b c D E E1 L L1 θ Dimensions In Inches Min Max 0.039 0.000 0.004 0.031 0.035 0.010 0.014 0.003 0.006 0.047 0.055 0.063 0.071 0.098 0.106 0.019 REF 0.010 0.016 0° 8° SOD-323 Suggested Pad Layout 3 C,Oct,2014 SOD-323 Tape and Reel 4 C,Oct,2014