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| Data Sheet 2.0 Amp SMD SUPER FAST RECTIFIERS Mechanical Dimensions 4.06/4.60 Cathode 3.30/3.90 5.10/5/58 .11/.30 1.65/2.19 .01/.20 1.90/2.15 UFS21 . . . 26 Series Description Package SMB 1.91/2.41 Features n HIGH SURGE CAPABILITY n LOW FORWARD VOLTAGE DROP n HIGH CURRENT CAPABILITY n MEETS UL SPECIFICATION 94V-0 Electrical Characteristics @ 25o C. Maximum Ratings Peak Repetitive Reverse Voltage...VRRM RMS Reverse Voltage...VR(rms) DC Blocking Voltage...VDC Average Forward Rectified Current...IF(av) TA = 55C Non-Repetitive Peak Forward Surge Current...IFSM @ Rated Current & Temp Forward Voltage @ 2.0A...VF DC Reverse Current...IR @ Rated DC Blocking Voltage TA = 25C TA =150C UFS21 . . . 26 Series UFS21 100 70 100 UFS22 200 140 200 UFS24 400 280 400 UFS26 600 420 600 Units Volts Volts Volts Amps ............................................. 2.0 ............................................... ............................................. 5 0 ............................................... Amps ............................................. .95 ............................................... Volts ............................................. 2.0 ............................................... Amps ............................................. 5 0 ............................................... Amps ............................................. 7 0 ............................................... ............................................. 3 5 ............................................... ......................................... -65 to 150 .......................................... pF nS C Typical Junction Capacitance...CJ (Note 1) Typical Reverse Recovery Time...tRR (Note 2) Operating & Storage Temperature Range...TJ, TSTRG Page 10-6 Data Sheet 2.0 Amp SMD SUPER FAST RECTIFIERS Typical Junction Capacitance Forward Current Derating Curve TA = Ambient Temperature (C) Typical Instantaneous Forward Characteristics Reverse Voltage (Volts) Typical Reverse Characteristics Volts Non-Repetitive Peak Forward Surge Current Non-Inductive (+) 50 25 VDC D.U.T 10 1 NonInductive Amps Amps Percent of Rated Peak Voltage Reverse Recovery Characteristics (-) Pulse Generator Note 2 +.5A 0A -.25A -1.0A tRR Ratings at 25 Deg. C ambient temperature unless otherwise specified. 1 cm Single Phase Half Wave, 60 HZ Resistive or Inductive Load. For Capacitive Load, Derate Current by 20%. Amps (-) Oscilliscope (+) Note 1 Notes: 1 . Rise Time = 7 nS Max. Impedance = 1 megohm, 22 pF 2 . Rise Time = 10 nS Max. Source Impedance = 50 Ohms Number of Cycles @ 60 HZ Time Base Set @ 50/100nS/cm NOTES: 1. Measured @ 1 MHZ and applied reverse voltage of 4.0V. 2. Conditions: IF = 0.5A, I R = 1.0A, I RR = 0.25A. Page 10-7 UFS21 . . . 26 Series Amps pF |
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