IN4148WS FAST SWITCHING DIODES SOD-323 FEATURES 1.35(0.053) 1.26(.050) 1.15(0.045) 1.24(.048) 2.75(0.108) 1.80(0.071) 2.75(0.108) 1.80(0.071) 2.30(0.091) 1.60(0.063) 2.30(0.091) 1.60(0.063) Fast switching speed Surface mount package ideally suited for automatic insertion For general purpose switching applications High conductance 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) MIN Case: Molded plastic body Terminals: Plated leads solderable per MIL-STD-750, Method 2026 Polarity: Polarity symbols marked on case Marking: T4 Dimensions in millimeters and (inches) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS 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 Forward continuous current Average rectified output current Peak forward current @=1.0*s @=1.0s Power dissipation Thermal resistance junction to ambient Junction temperature Storage temperature Non-Repetitive peak reverse voltage Electrical ratings @TA=25C PARAMETER SYMBOLS Limits UNITS VRRM VRWM VR 75 V 53 300 150 2.0 1.0 200 250 125 -65 to +150 100 V mA mA A VR(RMS) IFM IO IFSM Pd RΘJA Tj TSTG VRM Max. Unit 0.715 0.855 1.0 1.25 1 25 2 V V V V Capacitance between terminals VF1 VF2 VF3 VF4 IR1 IR2 CT uA nA pF Reverse recovery time trr 4 ns Froward voltage Reverse current SYMBOLS Min. Typ. mW °C/W C C V Conditions IF=1.0mA IF=10mA IF=50mA IF=150mA VR=75V VR=20V VR=0V,f=1.0MHz IF=IR=10mA Irr=0.1XIR,RL=100 FIG. 1- FORWARD CHARACTERISTICS FIG. 2-LEAKAGE CURRENT VS JUNCTION TEMPERATURE 1000 10,000 IR, LEAKAGE CURRENT(nA) IF,INSTANTANEOUS FORWARD CURRENT(mA) RATINGS AND CHARACTERISTIC CURVES 1N4148WS 100 10 1.0 1000 100 10 0.1 0.01 1 0 1 VF INSTANTANEOUS FORWARD VOLTAGE.(V) 2 0 100 Tj JUNCTION TEMPERATURE (C) The cruve graph is for reference only, can't be the basis for judgment(曲线图仅供参考)! 200