B5817W THRU B5819W SCHOTTKY DIODE SOD-123 1.80(.071) 1.65(.065) 1.40(.055) 1.55(.061) 3.86(0.152) 3.56(0.145) 2.84(0.112) 3.9(0.154) 2.54(0.100) 3.7(0.146) FEATURES For use in low voltage, high frequency inverters Free wheeling, and polanty protection applications 2.7(0.106) 2.6(0.102) .71(0.028) 0.6(.023) .50(0.020) 0.5(.020) .15(.006) MAX MECHANICAL DATA 1.35(.053) .135(.005) 1.15(.045) .94(.037) .127(.004) 1.05(.041) .25(.010) MIN Dimensions in millimeters and (inches) 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 Maximum ratings and electrical characteristics, Single diode @TA=25C PARAMETER Peak repetitive peak reverse voltage Working peak reverse voltage 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 Electrical ratings @TA=25C SYMBOLS B5817W B5818W B5819W UNITS VRRM VRWM VR 20 30 40 V 14 21 1 25 625 250 500 -65 to +150 30 28 V A A mA mW K/W C V PARAMETER Reverse breakdown voltage SYMBOLS VR(RMS) IO IFSM IFRM Pd RΘJA TSTG VRM V(BR) Reverse voltage leakage current IR 20 Min. Max. 20 30 40 1 0.45 Forward voltage 0.75 VF 0.55 0.875 0.6 0.9 Diode capacitance CD 120 www.shunyegroup.com Unit 40 Test conditions V V V IR=1mA B5817W B5818W B5819W mA VR=20V VR=30V VR=40V B5817W B5818W B5819W B5817W V V V pF IF=1A IF=3A B5818W B5819W VR=4V,f=1.0MHz RATINGS AND CHARACTERISTIC CURVES B5817W THRU B5819W 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 TA=25 C TA=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) 100 10 0.1 100 NUMBER OF CYCLES AT 60Hz INSTANTANEOUS REVERSE CURRENT (mA) INSTANTANEOUS FORWARD CURRENT(A) CASE TEMPERATURE( C) FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE 100 10 1 0.1 1 10 100 0.01 REVERSE VOLTAGE (V) 1 10 t--PULSE DURATION (sec.) www.shunyegroup.com 100