B5817W

B5817W THRU B5819W SCHOTTKY DIODE SOD-123 1.80(.071) 1.65(.065) 1.40(.055) 1.55(.061) FEATURES For use in low voltage, high frequency inverters Free wheeling, and polarity protection applications 3.86(0.152) 2.84(0.112) 3.9(0.154) 2.7(0.106) 3.56(0.145) 2.54(0.100) 3.7(0.146) 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 Power dissipation Thermal resistance junction to ambient Storage temperature Non-Repetitive peak reverse voltage SYMBOLS B5817W B5818W B5819W UNITS VRRM VRWM VR 20 30 40 V 14 21 1 9 250 500 -65 to +150 30 28 V A A mW K/W C V VR(RMS) IO IFSM Pd RΘJA TSTG VRM 20 40 Electrical ratings @TA=25C PARAMETER Reverse breakdown voltage SYMBOLS V(BR) Min. Max. 20 30 40 Unit IR=1mA B5817W B5818W B5819W mA VR=20V VR=30V VR=40V B5817W B5818W B5819W Reverse voltage leakage current 1 IR 0.45 Forward voltage 0.75 0.55 VF 0.875 0.6 0.9 Diode capacitance Test conditions V V V 120 CD 306 B5817W V V V pF IF=1A IF=3A B5818W B5819W VR=4V,f=1.0MHz STAR SEA 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 10.8 9.0 7.2 5.4 3.6 1.8 0 0 140 10 INSTANTANEOUS REVERSE CURRENT (mA) INSTANTANEOUS FORWARD CURRENT(A) FIG. 3- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 50 10 TA=25 C TA=125 C 1.0 Pulse width=300us 1% duty cycle 0.1 0.4 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 0.01 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 CASE TEMPERATURE( C) FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE 100 10 1 0.1 1 10 0.01 100 REVERSE VOLTAGE (V) 1 10 100 t--PULSE DURATION (sec.) 307 STAR SEA