1N4448

1N4148 & 1N4448 Fast Switching Diode Features: D Fast Switching Speed D General Purpose Rectification D Silicon Epitaxial Planar Construction Mechanical Data: D Case: DO-35 D Leads: Solderable per MIL-STD-202, Method 208 D Polarity: Cathode Band D Marking: Type Number D Weight: 0.13 grams (approx.) Absolute Maximum Ratings: (TA = +25°C, unless otherwise specified) Non-Repetitive Peak Reverse Voltage, VRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100V Peak Repetitive Reverse Voltage, VRRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75V Working Peak Reverse Voltage, VRWM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75V DC Blocking Voltage, VR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75V RMS Reverse Voltage, VR(RMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53V Forward Continuous Current (Note 1), IFM 1N4148 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mA 1N4448 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mA Average Rectified Output Current (Note 1), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150mA Non-Repetitive Peak Forward Surge Current, IFSM t = 1.0s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A t = 1.0μs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A Power Dissipation (Note 1), Pd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Derate above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.68mW/°C Thermal Resistance, Junction-to-Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300K/W Operating Junction Temperature Range, Tj . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65° to +175°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65° to +175°C Note 1. Valid provided that device terminals are kept at ambient temperature. Electrical Characteristics: (TA = +25°C, unless otherwise specified) Parameter Symbol Maximum Forward Voltage 1N4148 VFM 1N4448 Test Conditions Min Typ Max Unit - - 1 V 0.62 - 0.72 V IF = 100mA - - 1 V VR = 75V - - 5 μA VR = 70V, Tj = +150°C - - 50 μA VR = 20V, Tj = +150°C - - 30 μA VR = 20V - - 25 μA IF = 10mA IF = 5mA Maximum Forward Voltage IRM Capacitance Cj VR = 0, f = 1MHz - - 4 pF Reverse Recovery Time trr IF = 10mA to IR = 1mA VR = 6V, RL = 100Ω - - 4 ns 1.000 (25.4) Min .023 (0.60) Max .157 (4.0) Max .078 (2.0) Max Color Band Denotes Cathode