1N4448/1N4148/1N914B 500 mW Hermetically Sealed Glas Fast Switching Diodes DO-35 Features Fast switching device (TRR<4.0nS) DO-35 package (JEDEC) Through-hole device type mounting Hermetically sealed glass Compression bonded construction All external surface are corrosion resistant and leads are readily solderable RoHS compliant Solder hot dip Tin(Sn) lead finish Cathode indicated by polarity band Dimensions in inches and(millimeters) Maximum Ratings and Electrical Characteristics Rating at 25oC ambient temperature unless otherwise specified. Maximum Ratings Type Number Power Dissipation Working Inverse Voltage Non-repetitive Peak Forward Current Average Rectified Current Symbol Pd WIV IFM Io Peak Forward Surge Current IFSURGE Operating Junction Temperature TJ TSTG Storage Temperature Range Value 500 75 450 150 2 175 -65 to + 200 Units mW V mA mA A O C O C Electrical Characteristics Type Number Breakdown Voltage Forward Voltage 1N4448, 1N914B 1N4148 1N4448, 1N914B Reverse Leakage Current Junction Capacitance Symbol Min IR=100uA IR=5uA BV 100 75 IF=5.0mA IF= 10mA IF =100mA VR=20V VR=75V VF 0.62 VR=0, f=1.0MHz - IR － Max Units V 0.72 1.0 1.0 V 25 5 nA uA pF nS 4.0 Cj － Reverse Recovery Time (Note 1) 4.0 trr Notes: 1. Reverse Recovery Test Conditions: IF=10mA, VR=6V, RL=100Ω, IRR=1mA 1N4448/1N4148/1N914B 500 mW Hermetically Sealed Glas Fast Switching Diodes RATINGS AND CHARACTERISTIC CURVES (1N4448/1N4148/1N914B) 1000 1.2 VF - Forward Voltage (V) I F = 100 mA 0.8 10 mA 0.6 1 mA 0.4 0.1 mA 0.2 I F - Forward Current (mA) 1N4448 1.0 100 Scattering Limit 10 1 Tj = 25 °C 0 - 30 0.1 0 30 60 90 120 0 0.4 0.8 1.2 1.6 2.0 V F - Forward Voltage (V) Tj - Junction Temperature (°C) Figure 1. Forward Voltage vs. Junction Temperature Figure 3. Forward Current vs. Forward Voltage 1000 1000 IR - Reverse Current (nA) I F - Forward Current (mA) 1N4148 100 Scattering Limit 10 1 Tj = 25 °C 100 Scattering Limit 10 T j = 25 °C 0.1 1 0 0.4 0.8 1.2 1.6 2.0 V F - Forward Voltage (V) Figure 2. Forward Current vs. Forward Voltage 1 10 100 V R - Reverse Voltage (V) Figure 4. Reverse Current vs. Reverse Voltage