B5817WS-B5819WS SCHOTTKY BARRIER DIODE SOD-323 FEATURES 1.35(0.053) 1.26(.050) 1.15(0.045) 1.24(.048) 2.70(0.106) 2.70(0.106) 1.80(0.071) 2.30(0.091) 2.30(0.091) 1.60(0.063) For use in low voltage, high frequency inverters Free wheeling, and polanty protection applications 1.80(0.071) 1.60(0.063) MECHANICAL DATA 0.4(0.016) .305(0.012) .25(0.010) .295(0.010) .177(.007) .089(.003) 1.00(.040) 0.1(0.004) 0.80(.031) MIN .72(0.028) .69(0.027) .08(.003) Case: Molded plastic body Terminals: Plated leads solderable per MIL-STD-750, Method 2026 Polarity: Polarity symbols marked on case Marking: B5817W:SJ, B5818W:SK, B5819W:SL MIN Dimensions in millimeters and (inches) Maximum ratings and electrical characteristics, Single diode @TA=25C PARAMETER Peak repetitive peak reverse voltage Working peak DC Blocking voltage RMS Reverse voltage Average rectified output current Peak forward surge current @=8.3ms Repetitive peak forward current Power dissipation Thermal resistance junction to ambient Storage temperature Non-Repetitive peak reverse voltage SYMBOLS B5817WS B5818WS B5819WS UNITS VRRM VRWM VR 20 30 40 V 14 21 1 25 625 200 625 -65 to +150 30 28 V A A mA mW K/W VR(RMS) IO IFSM IFRM Pd RΘJA TSTG VRM 20 C 40 V Electrical ratings @TA=25C PARAMETER Reverse breakdown voltage SYMBOLS V(BR) Min. Max. V V V 20 30 40 Test conditions IR=1mA VR=20V Reverse voltage leakage current IR 1 0.45 Forward voltage 0.75 VF 0.55 0.875 0.6 0.9 Diode capacitance Unit CD 120 www.ps-pfs.com mA VR=30V VR=40V V pF B5817WS B5818WS B5819WS B5817WS V V B5817WS B5818WS B5819WS IF=1A IF=3A B5818WS B5819WS VR=4V,f=1.0MHz RATINGS AND CHARACTERISTIC CURVES B5817WS-B5819WS PEAK FORWARD SURGE CURRENT(A) AVERAGE FORWARD CURRENT(A) FIG. 1- FORWARD CURRENT DERATING CURVE 1.25 1.0 0.75 Resistive or inductive load0.375''(9.5mm) lead length 0.5 0.25 0 0 20 40 60 80 100 120 FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 30 25 20 15 10 5 0 0 140 10 FIG. 3- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 50 10 TJ=25 C TJ=125 C 1.0 Pulse width=300us 1% duty cycle 0.1 0.01 0 0.4 0.8 1.2 FIG. 4- TYPICAL REVERSE CHARACTERISTICS 100 10 TJ=125 C 1.0 TJ=75 C 0.1 0.01 TJ=25 C 0.001 0 1.6 TRANSIENT THERMAL IMPEDANCE (C/W) FIG. 5- TYPICAL JUNCTION CAPACITANCE 400 JUNCTION CAPACITANCE (pF) 20 40 60 80 100 PERCENT OF RATED PEAK PEVERSE VOLTAGE (%) INSTANTANEOUS FORWARD VOLTAGE(V) TJ=25 C f=1.0MHz Vsp=50mVp-p 100 10 0 100 NUMBER OF CYCLES AT 60Hz INSTANTANEOUS REVERSE CURRENT (mS) INSTANTANEOUS FORWARD CURRENT(A) CASE TEMPERATURE(C) FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE 100 10 1 0.1 1 10 100 0 REVERSE VOLTAGE (V) 1 10 t--PULSE DURATION (sec.) www.ps-pfs.com 100