LL4148 / LL4448 FAST SWITCHING SURFACE MOUNT DIODE NOT RECOMMENDED FOR NEW DESIGN SUGGESTED REPLACEMENT 1N4148W / 1N4448W Features * * * * * Fast Switching Speed C Surface Mount Package Ideally Suited for Automatic Insertion General Purpose Rectification Silicon Epitaxial Planar Construction B Lead Free Finish, RoHS Compliant (Note 2) Mechanical Data A * * Case: MiniMELF Dim Min Max * * Moisture Sensitivity: Level 1 per J-STD-020C A 3.30 3.70 Terminals: Finish 3/4 Matte Tin. Solderable per MIL-STD-202, Method 208 B 1.30 1.60 Polarity: Cathode Band C 0.28 0.50 * * * MiniMELF Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 Marking: Cathode Band Only All Dimensions in mm Weight: 0.05 grams (approximate) Maximum Ratings @ TA = 25C unless otherwise specified 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 25C Thermal Resistance, Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Electrical Characteristics 500 mA @ TA = 25C unless otherwise specified Characteristic Maximum Forward Voltage 300 LL4148 LL4448 LL4448 Symbol Min Max VFM 3/4 0.62 3/4 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 = 150C VR = 20V, Tj = 150C VR = 20V Maximum Peak Reverse Current IRM 3/4 5.0 50 30 25 Capacitance Cj 3/4 4.0 pF VR = 0, f = 1.0MHz Reverse Recovery Time trr 3/4 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. 2. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex notes 5 and 7. DS12013 Rev. 8 - 3 1 of 2 www.diodes.com LL4148 / LL4448 a Diodes Incorporated 1000 10,000 100 IR, LEAKAGE CURRENT (nA) IF, INSTANTANEOUS FORWARD CURRENT (mA) NOT RECOMMENDED FOR NEW DESIGN SUGGESTED REPLACEMENT 1N4148W / 1N4448W 10 1.0 0.1 1000 100 10 VR = 20V 1 0.01 0 1 0 2 Notes: 200 Tj, JUNCTION TEMPERATURE ( C) Fig. 2, Leakage Current vs Junction Temperature VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Forward Characteristics Ordering Information 100 (Note 3) Device Packaging Shipping LL4148-7 MiniMELF 2.5K/Tape & Reel, 7- inch LL4148-13 MiniMELF 10K/Tape & Reel, 13-inch LL4448-7 MiniMELF 2.5K/Tape & Reel, 7- inch 3. For packaging details, visit our website at http://www.diodes.com/datasheets/ap02007.pdf. DS12013 Rev. 8 - 3 2 of 2 www.diodes.com LL4148 / LL4448