UF4001 THRU UF4007 ULTRAFAST RECOVERY RECTIFIERS Reverse Voltage – 50 to 1000 V Forward Current – 1 A Features • Plastic package has Underwriters Laboratories Flammability Classification 94V-0 • Ideally suited for use in very high frequency switching power supplies, inverters and as free wheeling diodes • Ultrafast recovery time for high efficiency • Excellent high temperature switching • Soft recovery characteristics Mechanical Data • Case: molded plastic, DO-41 • Epoxy: UL 94V-0 rate flame retardant • Lead: Axial leads, solderable per MIL-STD-202, Method 208 guaranteed • Polarity: Color band denotes cathode end • Mounting Position: Any Absolute Maximum Ratings and Characteristics Ratings at 25 OC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. Symbols Parameter UF4001 UF4002 UF4003 UF4004 UF4005 UF4006 UF4007 Units Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V Maximum Average Forward Rectified Current 0.375"(9.5mm) I(AV) 1 IFSM 30 Lead Length at TA = 55 OC Peak Forward Surge Current, 8.3 ms Single Half-sine -wave Superimposed on Rated Load (JEDEC Method) Maximum Forward Voltage at 1 A DC VF TA = 25 C at Rated DC Blocking Voltage TA = 100 OC Typical Junction Capacitance 1) Maximum Reverse Recovery Time IR Operating and Storage Temperature Range trr V µA 17 RθJA 3) 1.7 500 CJ 2) A 5 O Maximum Reverse Current Typical Thermal Resistance 1 A pF O 60 50 TJ ,TS C/W 75 ns O -55 to +150 C 1) Measured at 1 MHz and applied reverse voltage of 4 V DC. Thermal resistance junction to ambient and from juntcion to lead at 0.375"(9.5mm) lead length P.C.B mounted. 3) Reverse recovery test conditions: IF = 0.5 A, IR = 1 A, Irr = 0.25 A. 2) SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 12/04/2006 H UF4001 THRU UF4007 SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 12/04/2006 H