1N4148 / 1N4448 FAST SWITCHING DIODE Features * * * * Mechanical Data * * * * * Fast Switching Speed General Purpose Rectification Silicon Epitaxial Planar Construction Lead Free Finish, RoHS Compliant (Note 2) Case: DO-35 Case Material: Glass Moisture Sensitivity: Level 1 per J-STD-020D Leads: Solderable per MIL-STD-202, Method 208 Terminals: Finish Sn96.5Ag3.5. Solderable per MIL-STD202, Method 208 Polarity: Cathode Band Marking: Type Number Ordering Information: See Page 2 Weight: 0.13 grams (approximate) * * * * Maximum Ratings @TA = 25C unless otherwise specified Characteristic Non-Repetitive Peak Reverse Voltage Symbol VRM VRRM VRWM VR VR(RMS) IFM IO Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current (Note 1) Average Rectified Output Current (Note 1) Non-Repetitive Peak Forward Surge Current @ t = 1.0s @ t = 1.0s 1N4148 100 1N4448 Unit V 75 V 53 300 500 150 1.0 2.0 IFSM V mA mA A Thermal Characteristics Characteristic Power Dissipation (Note 1) Derate Above 25C Thermal Resistance, Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Electrical Characteristics Characteristic Maximum Forward Voltage Symbol Value 500 1.68 300 -65 to +175 PD RJA TJ , TSTG @TA = 25C unless otherwise specified Symbol 1N4148 1N4448 1N4448 VFM Min 0.62 Max 1.0 0.72 1.0 Unit V Maximum Peak Reverse Current IRM 5.0 50 30 25 Total Capacitance CT 4.0 A A A nA pF Reverse Recovery Time trr 4.0 ns Notes: Unit mW mW/C C/W C Test Condition IF = 10mA IF = 5.0mA IF = 100mA VR = 75V VR = 70V, TJ = 150C VR = 20V, TJ = 150C VR = 20V VR = 0, f = 1.0MHz IF = 10mA to IR =1.0mA VR = 6.0V, RL = 100 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. 1N4148 / 1N4448 Document number: DS12019 Rev. 7 - 2 1 of 2 www.diodes.com March 2008 (c) Diodes Incorporated 1N4148 / 1N4448 10,000 100 IR, LEAKAGE CURRENT (nA) IF, INSTANTANEOUS FORWARD CURRENT (mA) 1,000 10 1.0 0.1 100 10 VR = 20V 0.01 0 1 0 0.4 0.8 1.2 1.6 2.0 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics Ordering Information 100 200 TJ, JUNCTION TEMPERATURE (C) Fig. 2 Leakage Current vs. Junction Temperature (Note 3) Part Number 1N4148-A 1N4148-T 1N4448-A 1N4448-T Notes: 1,000 Case DO-35 DO-35 DO-35 DO-35 Packaging 10K/Ammo Pack 10K/Tape & Reel, 13-inch 10K/Ammo Pack 10K/Tape & Reel, 13-inch 3. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Package Outline Dimensions Dim A B C D DO-35 Min 25.40 All Dimensions in mm Max 4.00 0.60 2.00 IMPORTANT NOTICE Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated 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 Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. 1N4148 / 1N4448 Document number: DS12019 Rev. 7 - 2 2 of 2 www.diodes.com March 2008 (c) Diodes Incorporated