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| 1N4148 SMALL-SIGNAL DIODE Reverse Voltage 100 Volts DO-35 Peak Forward Current - 150mA .022 (0.56) .018 (0.46) 1.02 (26.0) MIN. .165 (4.2) MAX. FEATURES * Silicon Epitaxial Planar Diode * Fast switching diode. .079 (2.0) DIA. MAX. 1.02 (26.0) MIN. MECHANICAL DATA Case : DO-35 Glass Case Weight : approx. 0.13 gram *Dimensions in inches and (millimeters) MAXIMUM RATINGS THERMAL CHARACTERISTICS ( TA=25 C unless otherwise noted ) PARAMETER Continuous Reverse Voltage Peak Reverse Voltage Average Rectified Current Half Wave Rectification with Resistive Load at Tamb = 25oC Surge Forward Current at t < 1s and Tj = 25oC Power Dissipation at Tamb = 25 C o (1) o SYMBOLS VR VRM IF( AV ) IFSM Ptot VALUE 75 100 150 500 500 350 175 -65 to +175 UNITS Vdc Vdc mAdc mAdc mW o Thermal Resistance Junction to Ambient Air Junction Temperature Storage Temperature (1) R JA C/W o o TJ TSTG o C C ELECTRICAL CHARACTERISTICS ( TA=25 C unless otherwise noted ) PARAMETER TEST CONDITION ( VR=20Vdc ) ( VR=75Vdc ) o ( VR=20Vdc, TJ=150 C ) ( IR=100uAdc ) ( IF=10mAdc ) ( VR=0, f=1.0MHz ) ( tp=0.1us, Rise time < 30ns fp=5 to 100 kHZ ( IF=10mA, IR=1mA, VR=6V, RL=100 ) SYMBOL MIN. 100 TYP. MAX. 25 5 50 1.0 4 2.5 UNITS nAdc uAdc uAdc Vdc Vdc pF V Reverse Voltage Leakage Current Reverse Breakdown Voltage Forward Voltage Junction Capacitance Voltage Rise when Switching ON ( tested with 50 mA Pulses ) IR V( BR ) VF CJ VFR Reverse Recovery Time trr - - 4 nS REV. : 0 Zowie Technology Corporation RATINGS AND CHARACTERISTIC CURVES OF 1N4148 FIG.1 - FORWARD VOLTAGE VS. JUNCTION TEMPERATURE 1.2 TJ = 25 C o FIG.2 - FORWARD CURRENT VS. FORWARD VOLTAGE 1000 1.0 IF = 100mA 0.8 IF FORWARD VOLTAGE ( mA ) VF FORWARD VOLTAGE ( V ) 100 Scattering Limit 0.6 IF = 1mA 10 0.4 IF = 0.1mA TJ = 25oC 1 0.2 0 -30 0 30 60 90 o 0.1 120 0 0.4 0.8 1.2 1.6 2.0 TJ - JUNCTION TEMPERATURE C VF - FORWARD VOLTAGE ( V ) FIG.3 - REVERSSE CURRENT VS. REVERSE VOLTAGE 1000 IR REVERSE CURRENT ( nA ) TJ = 25oC 100 Scattering Limit 10 1 1 0 VR FORWARD VOLTAGE ( V ) 100 REV. : 0 Zowie Technology Corporation |
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