Power Diodes Ultra-Fast Recovery Axial Features: DO-41 * * * * * * * 1 ampere operation at TA = 55C with no thermal runaway Glass passivated chip junction Low cost, fast efficient plastic rectifiers Ultrafast recovery time for high efficiency Low forward voltage Low leakage current High surge current capability Mechanical Data: Case : JEDEC DO-41 moulded plastic body over passivated chip : Plated axial leads, solderable per MIL-STD750, Method 2026 : Any : Colour band denotes cathode end : 250C / 10 seconds / 0.375 inches, (9.5 mm) lead lengths at soldering guaranteed 5lbs, (2.3 kg) tension Terminals Mounting position Polarity High temperature Dimensions : Millimetres Maximum Ratings and Electrical Characteristics Rating at 25C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load For capacitive load, derate current by 20% Type Number UF4001 UF4002 UF4003 UF4004 UF4005 UF4006 UF4007 Maximum Recurrent Peak Reverse Voltage 50 100 200 400 600 800 1,000 Maximum RMS Voltage 35 70 140 280 420 560 700 Maximum DC Blocking Voltage 50 100 200 400 600 800 1,000 Maximum Average Forward Rectified Current 0.375 inches (9.5 mm) Lead Length at TA = 55C Unit V 1 A Peak Forward Surge Current, 8.3 ms Single Half Sinewave Superimposed on Rated Load (JEDEC method) 30 Maximum Instantaneous Forward Voltage at 1 A 1 Maximum DC Reverse Current at TA = 25C at Rated DC Blocking Voltage at TA = 125C 1.7 10 50 Maximum Reverse Recovery Time (Note 1) 50 V A 75 - Typical Junction Capacitance (Note 2) 17 - Typical Thermal Resistance (Note 3) RJA RJL 60 15 C / W -65 to +150 C Operating/Storage Temperature Range TJ ,TSTG Page <1> 24/05/12 V1.1 Power Diodes Ultra-Fast Recovery Notes: 1. Reverse recovery test conditions : IF = 0.5 A, IR = 1 A, IRR = 0.25 A 2. Measured at 1 MHz and applied reverse voltage of 4 V dc 3. Thermal resistance from junction to ambient and from junction to lead length 0.375 inches (9.5 mm), PCB mounted Ratings and Characteristic Curves Figure - 2 Maximum Non-Repetitive Peak Forward Surge Current Peak Forward Surge Current (A) Average Forward Rectified Current (A) Figure - 1 Maximum Forward Current Derating Curve Number of Cycles at 60 Hz Ambient Temperature (C) Figure - 4 Typical Instantaneous Forward Characteristics Instantaneous Forward Current (A) Instantaneous Reverse Current Micro (A) Figure - 3 Typical Reverse Characteristics Percent of Rated Peak Reverse Voltage (%) Instaneous Forward Voltage (V) Page <2> 24/05/12 V1.1 Power Diodes Ultra-Fast Recovery Ratings and Characteristic Curves Junction Capacitance (PF) Figure - 5 Typical Junction Capacitance Reverse Voltage (V) Specification Table If (av) (A) trr (nS) Ifsm (A) Vf maximum (V) Length Diameter Package Part Number UF4001 1 50 UF4002 1 UF4003 30 5.2 2.7 DO -41 UF4004 UF4005 1 75 1.7 UF4006 UF4007 Dimensions : Millimetres Page <3> 24/05/12 V1.1