1N4148 SWITCHING DIODES 100 Volts VOLTAGE POWER 500 mWatts FEATURES • Fast switching Speed. • Electrically ldentical to Standerd JEDEC • High Conductance • Axial lead Package ldeally Suited for Automatic lnsertion. • In compliance with EU RoHS 2002/95/EC directives MECHANICAL DATA 3.9 3.3 • Case: Molded Glass DO-35 • Terminals: Solderable per MIL-STD-750, Method 2026 • Polarity: See Diagram Below • Approx. Weight: 0.13 grams • Mounting Position: Any • Ordering information: Suffix : “ -35 ” to order DO-35 Package • Packing information B - 2K per Bulk box T/R - 10K per 13" plastic Reel T/B - 5K per horiz. tape & Ammo box MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TJ =25°C unless otherwise noted) PARAMETER SYMBOL 1N4148 UNITS Peak Reverse Voltage VRM 100 V Maximum Average Forward Current at TA=25OC And f >50Hz IF(AV) 150 mA Surge Forward Current at t < 1s and TJ= =25 OC IFSM 500 mA PTOT 500 mW Maximum Forward Voltage at IF =10mA VF 1.0 V Maximum Leakage Current at VR=20V at VR=75V at VR=20V ,TJ= 150OC IR 25 5 50 Maximum Capacitance at V F =VR=0 CJ 4 pF Maximum Reverse Recovery Time From IF =-IR =10mA to IRR=-1mA ,VR=6V RL=100 Ω trr 4 ns Typical Thermal Resistance RθJA 300 Junction Temperature and Storage Temperature Range TJ,TS -65 to +150 Power Dissipation at TA= 25 O C nA μA μA O C/W O C NOTE: 1. CJ at VR=0, f=1MHZ 2. From IF=10mA to IR=1mA, VR=6Volts, RL=100Ω REV.0.2-APR.7.2010 PAGE . 1 1N4148 RATING AND CHARACTERISTIC CURVES A 10 2 I v=tp / T T=1/fp tp I FRM I FRM t T 10 1 V=0 V=0.1 V=0.2 10 0 V=0.3 -1 10 -5 10 10 -4 10 -3 10 -2 10 -1 10 0 10 1 S tp Fig.1 ADMISSIBLE REPETITIVE PEAK FORWARD CURRENT VERSUS PULSE DURATION 10 4 10 3 10 2 10 1 10 0 10 -1 10 -2 O 10 10 FORWARD CURRENT, mA FORWARD RESISTANCE, W T J =25 C f=1KHz 3 2 10 1 0 10 -2 10 10 -1 10 0 10 1 10 2 0 1 2 FORWARD VOLTAGE, VOLTS FORWARD CURRENT, mA Fig.3 FORWARD CHARACTERISTICS 1.1 T J =25 O C f=1KHz 500 CAPACITANCE, pF POWER DISSIPATION, mW Fig.2-DYNAMIC FORWARD RESISTANCE VERSUS FORWARD CURRENT 300 1.0 0.9 0.8 100 0.7 0 100 200 0 AMBIENT TEMPERATURE Fig.4 DERATING CURVE REV.0.2-APR.7.2010 2 4 6 8 1.0 REVERSE VOLTAGE, VOLTS Fig.5 TYPICAL JUNCTION CAPACITANCE PAGE . 2