US1A - US1M 1.0A SURFACE MOUNT ULTRA-FAST RECTIFIER SPICE MODELS: US1A US1B US1D US1G US1J US1K US1M Features * * * * * * * Glass Passivated Die Construction Diffused Junction Ultra-Fast Recovery Time for High Efficiency Low Forward Voltage Drop, High Current Capability, and Low Power Loss Surge Overload Rating to 30A Peak Ideally Suited for Automated Assembly Plastic Material: UL Flammability Classification Rating 94V-0 B SMA A C Mechanical Data * * * * * * D Case: Molded Plastic Terminals: Solder Plated Terminal - Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band or Cathode Notch Marking: Type Number Weight: 0.064 grams (approx.) Mounting Position: Any J G E H Dim Min Max A 2.29 2.92 B 4.00 4.60 C 1.27 1.63 D 0.15 0.31 E 4.80 5.59 G 0.10 0.20 H 0.76 1.52 J 2.01 2.62 All Dimensions in mm Maximum Ratings and Electrical Characteristics TA = 25C 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 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 (JEDEC Method) IFSM 30 A Forward Voltage Drop @ IF = 1.0A VFM @ TA = 25C @ TA = 100C IRM Average Rectified Output Current Peak Reverse Current at Rated DC Blocking Voltage @ TT = 75C 1.0 1.3 1.7 5.0 100 V mA Reverse Recovery Time (Note 2) trr 50 75 ns Typical Junction Capacitance (Note 1) Cj 20 10 pF Typical Thermal Resistance, Junction to Terminal Operating and Storage Temperature Range Notes: RqJT 30 C/W Tj, TSTG -65 to +150 C 1. Measured at 1.0MHz and applied reverse voltage of 4.0V DC. 2. Measured with IF = 0.5A, IR = 1.0A, Irr = 0.25A. DS16008 Rev. B1-2 1 of 2 www.diodes.com US1A - US1M a 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 (JEDEC Method) 100 30 Tj = 100C 10 20 1.0 Tj = 25C 10 0.1 Tj = 150C 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. B1-2 2 of 2 www.diodes.com US1A - US1M