SPICE MODELS: US1A US1B US1D US1G US1J US1K US1M US1A - US1M 1.0A SURFACE MOUNT ULTRA-FAST RECTIFIER Features · · · · · · Glass Passivated Die Construction Ultra-Fast Recovery Time for High Efficiency Surge Overload Rating to 30A Peak High Current Capability Ideally Suited for Automated Assembly B Lead Free Finish/RoHS Compliant (Note 4) Mechanical Data SMA A Dim Min Max A 2.29 2.92 4.00 4.60 C · · Case: SMA B Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 C 1.27 1.63 D 0.15 0.31 · · Moisture Sensitivity: Level 1 per J-STD-020C E 4.80 5.59 G 0.10 0.20 · · · · Polarity: Cathode Band or Cathode Notch H 0.76 1.52 J 2.01 2.62 D Terminals: Lead Free Plating (Matte Tin Finish). Solderable per MIL-STD-202, Method 208 e3 J H Marking: Type Number & Date Code: See Page 3 G E All Dimensions in mm Ordering Information: See Page 3 Weight: 0.064 grams (approximate) Maximum Ratings and Electrical Characteristics TA = 25°C unless otherwise specified Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage (Note 5) RMS Reverse Voltage Symbol US1A US1B US1D US1G US1J US1K US1M Unit VRRM VRWM VR 50 100 200 400 600 800 1000 V VR(RMS) 35 70 140 280 420 560 700 V IO 1.0 A Non-Repetitive Peak Forward Surge Current 8.3ms Single half sine-wave Superimposed on Rated Load IFSM 30 A Forward Voltage Drop VFM Average Rectified Output Current Peak Reverse Current at Rated DC Blocking Voltage (Note 5) @ TT = 75°C @ IF = 1.0A @ TA = 25°C @ TA = 100°C 1.0 1.3 IRM Reverse Recovery Time (Note 2) trr 50 Typical Total Capacitance (Note 1) CT 20 Typical Thermal Resistance, Junction to Terminal Operating and Storage Temperature Range Notes: 1. 2. 3. 4. 5. 1.7 5.0 100 V mA 75 10 ns pF RqJT 30 °C/W Tj, TSTG -65 to +150 °C Measured with IF = 0.5A, IR = 1.0A, Irr = 0.25A. See figure 5. Measured at 1.0MHz and applied reverse voltage of 4.0V DC. Unit mounted on PC board with 5.0 mm2 (0.013 mm thick) copper pad as heat sink. RoHS revision 13.2.2003. Glass and high temperature solder exemptions applied, see EU Directive Annex Notes 5 and 7. Short duration pulse test used to minimize self-heating effect. DS16008 Rev. 7 - 2 1 of 3 www.diodes.com US1A - US1M ã Diodes Incorporated 0.5 0 25 50 75 100 125 150 IF, INSTANTANEOUS FORWARD CURRENT (A) IO, AVERAGE RECTIFIED CURRENT (A) 1.0 10 US1A - US1D US1G 1.0 US1J - US1M 0.1 0.01 0 0.8 1.2 1.6 2.0 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics TT, TERMINAL TEMPERATURE (°C) Fig. 1 Forward Current Derating Curve IFSM, PEAK FORWARD SURGE CURRENT (A) 0.4 40 1000 Single Half Sine-Wave 100 30 Tj = 100°C 10 20 1.0 Tj = 25°C 10 0.1 Tj = 150°C 0.01 0 1 10 0 100 NUMBER OF CYCLES AT 60Hz Fig. 3 Forward Surge Current Derating Curve 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) Fig. 4 Typical Reverse Characteristics trr +0.5A Device Under Test (-) 0A (+) Pulse Generator (Note 2) 50V DC Approx (-) Oscilloscope (Note 1) -0.25A (+) -1.0A Set time base for 50/100 ns/cm Fig. 5 Reverse Recovery Time Characteristic and Test Circuit DS16008 Rev. 7 - 2 2 of 3 www.diodes.com US1A - US1M Ordering Information (Note 6) Device* Packaging Shipping US1x-13-F SMA 5000/Tape & Reel Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information YWW US1X US1X = Product type marking code, ex. US1A = Manufacturers’ code marking YWW = Date code marking Y = Last digit of year ex: 2 for 2002 WW = Week code 01 to 52 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. DS16008 Rev. 7 - 2 3 of 3 www.diodes.com US1A - US1M