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 MiniMELF Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 Dim Min Max Moisture Sensitivity: Level 1 per J-STD-020C A 3.30 3.70 Terminals: Finish Sn97.5Ag2.5. Solderable per MIL-STD-202, Method 208 B 1.30 1.60 Polarity: Cathode Band C 0.28 0.50 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 RJA 300 K/W Tj , TSTG -65 to +175 C Non-Repetitive Peak Forward Surge Current @ t = 1.0s @ t = 1.0s 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 0.62 1.0 0.72 1.0 Unit V IF = 10mA IF = 5.0mA IF = 100mA Test Condition A A A nA VR = 75V VR = 70V, Tj = 150C VR = 20V, Tj = 150C VR = 20V Maximum Peak Reverse Current IRM 5.0 50 30 25 Capacitance Cj 4.0 pF VR = 0, f = 1.0MHz Reverse Recovery Time trr 4.0 ns IF = 10mA to IR =1.0mA VR = 6.0V, RL = 100 Notes: 1. Valid provided that device terminals are kept at ambient temperature. 2. EC Directive 2002/95/EC (RoHS) revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied where applicable, see EU Directive Annex notes 5 and 7. DS12013 Rev. 9 - 3 1 of 2 www.diodes.com LL4148 / LL4448 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. IMPORTANT NOTICE Diodes, Inc. and its subsidiaries reserve the right to make changes without further notice to any product herein to make corrections, modifications, enhancements, improvements, or other changes. Diodes, Inc. does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. LIFE SUPPORT The products located on our website at www.diodes.com are not recommended for use in life support systems where a failure or malfunction of the component may directly threaten life or cause injury without the expressed written approval of Diodes Incorporated. DS12013 Rev. 9 - 3 2 of 2 www.diodes.com LL4148 / LL4448