1N4148

Fast Switching Diode COMCHIP www.comchiptech.com 1 N4148 / 1N4448 High Speed DO-35 Features - Fast Switching Speed - General Purpose Rectification - Silicon Epitaxial Planar Construction 0.079 (2.0) Max. 1.0 (25.4) Min. Mechanical Data - Case: DO-35 - Terminals: Solderable per MIL-STD-202, Method 208 - Polarity: Cathode Band - Weight: 0.13 grams (approx.) 0.024 (0.60) Max. 0.157 (4.0) Max. 1.0 (25.4) Min. Dimensions in inches and (millimeters) Maximum Ratings @ TA = 25°C unless otherwise specified Characteristic Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current (Note 1) Average Rectified Output Current (Note 1) Non-Repetitive Peak Forward Surge Current @ t = 1.0s @ t = 1.0ms Power Dissipation (Note 1) Derate Above 25°C Thermal Resistance, Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Symbol VRM VRRM VRWM VR VR(RMS) IFM IO IFSM Pd RqJA Tj , TSTG 300 150 1.0 2.0 500 1.68 300 -65 to +175 1N4148 100 75 53 500 1N4448 Unit V V V mA mA A mW mW/°C K/W °C Electrical Characteristics Characteristic Maximum Forward Voltage @ TA = 25°C unless otherwise specified Symbol 1N4148 1N4448 1N4448 VFM Min ¾ 0.62 ¾ ¾ ¾ ¾ Max 1.0 0.72 1.0 5.0 50 30 25 4.0 4.0 Unit V mA mA mA nA pF ns Test Condition IF = 10mA IF = 5.0mA IF = 100mA VR = 75V VR = 70V, Tj = 150°C VR = 20V, Tj = 150°C VR = 20V VR = 0, f = 1.0MHz IF = 10mA to IR =1.0mA VR = 6.0V, RL = 100W Maximum Peak Reverse Current Capacitance Reverse Recovery Time IRM Cj trr Notes: 1. Valid provided that device terminals are kept at ambient temperature. MDS0312005A Page 1 Fast Switching Diode COMCHIP w ww.comchiptech.com Ratings and Characteristic Curves ( TA = 25°C unless otherwise noted) IF, INSTANTANEOUS FORWARD CURRENT (mA) 1000 10,000 100 IR, LEAKAGE CURRENT (nA) 1000 10 100 1.0 10 0.1 VR = 20V 0.01 0 1 2 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Forward Characteristics 1 0 100 200 Tj, JUNCTION TEMPERATURE (° C) Fig. 2, Leakage Current vs Junction Temperature MDS0312005A Page 2