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| MCL4148 Features * Silicon epitaxial planar diode * Fast switching diodes * 500mW power dissipation * This diode is also available in the DO-35 case with the type designation 1N4148 SMALL SIGNAL SWITCHING DIODES MICRO MELF SOLDERABLE ENDS 0.008(0.20) Mechanical Data * Case: Mini-MELF glass case(DO-35) * Weight: Approx. 0.05 gram 0.079(2.00) 0.071(1.80) 0.043(1.10) Dimensions in inches and (millimeters) Maximum Ratings And Electrical Characteristics (Ratings at 25E ambient temperature unless otherwise specified) Reverse Voltage Peak Reverse Voltage Average rectified current, Half wave rectification with Resistive load at TA=25E and FA 50Hz Surge forward current at t<1S and TJ=25E Power dissipation at TA=25E Junction temperature Storage temperature range Symbol VR VRM IAV IFSM Ptot TJ TSTG Value 75 100 1501) 500 5001) 175 -65 to +175 Units Volts Volts mA mA mW E E 1) Vaild provided that leads at a distance of 8mm from case are kept at ambient temperature(DO-35) Electrical characteristics (Ratings at 25E ambient temperature unless otherwise specified) Forward voltage Leakage current at VR=20V at VR=75V at VR=20V, TJ=150E Junction Capacitance at VR=VF=0V Voltage rise when switching ON tested with 50mA pulse tp=0.1i S, Rise time<30i S, fp=5 to 100KHz Reverse Recovery time from IF=10mA to IR=1mA, VR=6V, RL=100O Thermal resistance, junction to Ambient Rectification efficiency at f=100MHz, VRF=2V Symbols VF IR IR IR CJ Vfr trr ReJA Min. Typ. Max. 1 25 5 50 4 2.5 4 3501) Units Volts nA i A i A pF Volts ns K/W c 0.45 1) Vaild provided that leads at a distance of 8mm from case are kept at ambient temperature(DO-35) RATINGS AND CHARACTERISTIC CURVES MCL4148 FIG.1-FORWARD CHARACTERISTICS mA 103 FIG.2-DYNAMIC FORWARD RESISTANCE VERSUS FORWARD CURRENT O 104 TJ= 25E f=1KHz 102 103 IF TJ=100E 10 TJ=25E rf 102 1 10-1 10 10-2 0 1 2V 1 10-2 10-1 1 10 102 mA VF IF FIG.3-ADMISSIBLE POWER DISSIPATION VERSUS AMBIENT TEMPERATURE mW 1000 900 800 700 FIG. 4-RELATIVE CAPACITANCE VERSUS VOLTAGE 1.1 TJ= 25E f=1MHz Ctot(VR) 1.0 Ctot(OV) 0.9 Ptot 600 500 400 300 200 100 0 0 100 200 E 0.8 0.7 0 2 4 6 8 10V TA VR RATINGS AND CHARACTERISTIC CURVES MCL4148 FIG.5-RECTIFICATION EFFICIENCY MEASUREMENT CIRCUIT FIG.6-LEAKAGE CURRENT VERSUS JUNCTION TEMPERATURE nA 104 D.U.T. 60 O VRF=2V 2nF 5K O VO 103 102 10 VR= 20V 1 0 100 200 E FIG.7-ADMISSIBLE REPETITIVE PEAK FORWARD CURRENT VERSUS PULSE DURATION A 100 V=tp/T IFRM 10 n=0 T=1/fp IFRM tp T 0.1 1 0.2 0.5 0.1 10-5 10-4 10-3 10-2 10-1 1 10S tp |
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