LL4148

LL4148/LL4448 Fast Switching Surface Mount Diode LL-34 Features — — — — Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion General Purpose Rectification Silicon Epitaxial Planar Construction Mechanical Data — — — — Case: LL-34 Polarity: Cathode Band Marking: Cathode Band Only Weight: 0.12 grams (approx.) Dimension in millimeters Maximum Ratings and Electrical Characteristics Rating at 25oC ambient temperature unless otherwise specified. Maximum Ratings Characteristic Symbol Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage LL4148 Unit 100 V VRRM VRWM VR 75 V VR(RMS) RMS Reverse Voltage LL4448 VRM Non-Repetitive Peak Reverse Voltage 53 V Forward Continuous Current (Note 1) IFM Average Rectified Output Current (Note 1) IO 150 mA IFSM 1.0 2.0 A Pd 500 1.68 mW mW/°C RqJA 300 K/W Tj , TSTG -65 to +175 °C 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 300 500 mA Electrical Characteristics Characteristic Maximum Forward Voltage LL4148 LL4448 LL4448 Symbol Min Max VFM ¾ 0.62 ¾ 1.0 0.72 1.0 Unit V IF = 10mA IF = 5.0mA IF = 100mA Test Condition mA mA mA nA VR = 75V VR = 70V, Tj = 150°C VR = 20V, Tj = 150°C VR = 20V Maximum Peak Reverse Current IRM ¾ 5.0 50 30 25 Capacitance Cj ¾ 4.0 pF VR = 0, f = 1.0MHz Reverse Recovery Time trr ¾ 4.0 ns IF = 10mA to IR =1.0mA VR = 6.0V, RL = 100W Notes: 1. Valid provided that device terminals are kept at ambient temperature. www.slkormicro.com 1 1000 10,000 100 IR, LEAKAGE CURRENT (nA) IF, INSTANTANEOUS FORWARD CURRENT (mA) LL4148/LL4448 10 1.0 0.1 1000 100 10 VR = 20V 1 0.01 0 2 1 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Forward Characteristics www.slkormicro.com 2 0 100 200 Tj, JUNCTION TEMPERATURE (°C) Fig. 2, Leakage Current vs Junction Temperature