Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 1N4148W Features • • • • • High Speed Switching Diode 200mW Fast switching speed Surface Mount Package Ideally Suited for Automatic Insertion For general purpose switching applications High conductance Marking Code: T4 Maximum Ratings • • • • SOD123 Case: SOD-123, Molded Plastic Terminals: Solderable per MIL-STD-202, Method 208 Polarity: Indicated by Cathode Band Weight: 0.01 grams (approx.) A B C E Maximum Ratings @ 25°C Unless Otherwise Specified Reverse Voltage Peak Reverse Voltage Average Rectified Current Peak Forward Surge Current t<1S Power Dissipation Thermal Resistance Operation/Storage Temp. Range VR VRM IF(AV) I FSM PD RJA 75 100 150 350 200 650 V V mA mA mW Κ/W Tj, TSTG -55 to +150 °C Electrical Characteristics @ 25°C Unless Otherwise Specified Maximum Instantaneous Forward Voltage VF 1.0V IR 25nA 50µA 5.0uA CJ 4pF Vfr 2.5V Maximum Reverse Recovery Time Trr 4nS Minimum Rectification Efficiency η 0.4 Maximum DC Reverse Current At Rated DC Blocking Voltage Typical Junction Capacitance Maximum Voltage Rise when Switching on (tested with 50mA pulse) IFM = 10mA; TJ = 25°C* VR=20Volts TJ = 25°C TJ = 150°C VR=75V, TJ=25OC VF=VR=0V Tp=0.1us, rise time<30ns, fp=5 to 100kHz IF=10mA VR = 6V RL=100Ω f=100MHz, VRF=2.0V H D J G DIM A B C D E G H J DIMENSIONS INCHES MM MIN MAX MIN MAX .140 .152 3.55 3.85 .100 .112 2.55 2.85 .055 .071 1.40 1.80 ----.053 ----1.35 .012 .031 0.30 .78 .006 ----0.15 --------.01 ----.25 ----.006 ----.15 SUGGESTED SOLDER PAD LAYOUT * Valid provided that terminals are kept at ambient temperature www.cnelectr.com 0.093 0.048” 0.036” NOTE 1N4148W www.cnelectr .com 1N4148W www.cnelectr.com