Data Sheet 3.0 Amp SMD SUPER FAST RECTIFIERS Mechanical Dimensions UFS30 . . . 36 Series Description DO-214AB (SMC) Features n LOW COST n HIGH SURGE CAPABILITY n LOW LEAKAGE n MEETS UL SPECIFICATION 94V-0 Units UFS30 . . . 36 Series UFS30 UFS31 UFS32 UFS34 UFS36 Peak Repetitive Reverse Voltage...VRRM 50 100 200 400 600 Volts RMS Reverse Voltage...VR(rms) 35 70 140 280 420 Volts DC Blocking Voltage...VDC 50 100 200 400 600 Volts Maximum Ratings Average Forward Rectified Current...IF(av) TA = 55°C ............................................. 3.0 ............................................... Amps Non-Repetitive Peak Forward Surge Current...IFSM @ Rated Current & Temp ............................................. 7 5 ............................................... Amps Operating & Storage Temperature Range...TJ, TSTRG ......................................... -65 to 150 .......................................... °C Electrical Characteristics Maximum Forward Voltage @ 3.0A...VF < ....................... 0.95 ..................... > Maximum DC Reverse Current...IR @ Rated DC Blocking Voltage ............................................. 5.0 ............................................... µAmps Typical Junction Capacitance...CJ (Note 1) ............................................. 100 ............................................... pF Maximum Reverse Recovery Time...tRR (Note 2) < ....................... 3 5 ..................... > ns Page 10-8 1.3 1.5 < .......... 5 0 ......... > Volts Typical Junction Capacitance Junction Capacitance (pF) Average Forward Current (A) Forward Current Derating Curve Ambient Temperature (°°C) Reverse Voltage (V) Typical Instantaneous Forward Characteristics Forward Current (A) Reverse Current (µ µA) Typical Reverse Characteristics Forward Voltage (V) Percent of Rated Peak Voltage Non-Repetitive Peak Forward Surge Current Peak Forward Surge Current (A) UFS30 . . . 36 Series 3.0 Amp SMD SUPER FAST PLASTIC RECTIFIERS Data Sheet Reverse Recovery Characteristics Non-Inductive (+) (-) 50Ω Ω 25 VDC Ω D.U.T 10Ω 1Ω NonInductive (-) Pulse Generator Note 2 Oscilliscope (+) Note 1 Notes: Number of Cycles @ 60 Hz 1. Rise Time = 7 ns Max. Impedance = 1 megohm, 22 pF 2. Rise Time = 10 ns Max. Source Impedance = 50 Ohms NOTES: 1. Measured @ 1 MHz and applied reverse voltage of 4.0V. 2. IF = 0.5A, IR = 1.0A, Irr = 0.25A +.5A tRR Ratings at 25 Deg. C ambient temperature unless otherwise specified. 0A -.25A -1.0A 1 cm Time Base Set @ 50/100ns/cm Single Phase Half Wave, 60 Hz Resistive or Inductive Load. For Capacitive Load, Derate Current by 20%. Page 10-9