1N4148W Surface Mount Fast Switching Diode Voltage Range 75 Volts 400m Watts Power Dissipation SOD-123 Features 0.022(0.55) Typ. Min. a Fast switching speed a Surface mount package ideally suited for automatic insertion a For general purpose switching applications a High conductance 0.053(1.35) Max. 0.152(3.85) 0.140(3.55) Mechanical Data 0.112(2.85) 0.100(2.55) 0.010(0.25) Min. a Case: SOD-123, Molded plastic a Terminals: Solderable per MIIL-STD-202, Method 208 a Polarity: Cathode Band a Marking: Date Code and Type Code or Date Code only Type Code: T6, T4 aWeight: 0.01 gram (approx.) 0.067(1.70) 0.55(1.40) 0.006(0.15) Typ. Min. 0.004(0.10) Max. Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25ambient temperature unless otherwise specified. Maximum Ratings Type Number Symbol Value 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 Rectifier Output Current (Note 1) Non-Repetitive Peak Forward Surge Current @ t=1.0uS @ t=1.0S Power Dissipation (Note 1) Thermal Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Electrical Characteristics Type Number Forward Voltage IF=1.0mA IF= 10mA IF = 50mA IF=150mA VRM VRRM VRWM VR VR(RMS) IFM Io Units 100 V 75 V 53 300 150 V mA mA A Pd RJA 2.0 1.0 400 315 TJ, TSTG -65 to + 150 IFSM Symbol VF Min - mW K/W O Max 0.715 0.855 1.0 1.25 C Units V Peak Reverse Current VR=75V IR VR=75V, Tj=150 VR=25V, TJ=150 VR=20V Junction Capacitance VR=0, f=1.0MHz Cj Reverse Recovery Time (Note 2) trr Notes: 1. Valid Provided that Terminals are Kept at Ambient Temperature. 2. Reverse Recovery Test Conditions: IF=IR=10mA, Irr=0.1 x IR, RL=100 - 156 - 1.0 50 30 25 uA nA 2.0 4.0 pF nS RATINGS AND CHARACTERISTIC CURVES (1N4148W) 1000 10,000 FIG.2- LEAKAGE CURRENT VS JUNCTION TEMPERATURE 100 IR, LEAKAGE CURRENT (nA) IF, INSTANTANEOUS FORWARD CURRENT (mA) FIG.1- FORWARD CHARACTERISTICS 10 1.0 0.1 1000 100 10 VR =20V 0.01 1 0 2 VF, INSTANTANEOUS FORWARD VOLTAGE (V) FIG.3- ADMISSIBLE POWER DISSIPATION VS AMBIENT TEMPERATURE mw 500 400 300 Pd 200 100 50 0 0 100 O 200 C Tamb - 157 - 0 0 100 200 O Tj, JUNCTION TEMPERATURE ( C)