UG3A THRU UG3D ULTRAFAST EFFICIENT GLASS PASSIVATED RECTIFIER VOLTAGE： ：50 TO 200V CURRENT： ： 3.0A FEATURE DO-201AD Low power loss High surge capability Glass passivated chip junction Ultra-fast recovery time for high efficiency High temperature soldering guaranteed 250℃/10sec/0.375″lead length at 5 lbs tension MECHANICAL DATA Terminal：Plated axial leads solderable per MIL-STD 202E, method 208C Case：Molded with UL-94 Class V-0 recognized Flame Retardant Epoxy Polarity：color band denotes cathode Mounting position：any Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (single-phase, half -wave, 60HZ, resistive or inductive load rating at 25℃, unless otherwise stated) SYMBOL UG3A UG3B UG3C UG3D units Maximum Recurrent Peak Reverse Voltage Vrrm Vrms 100 70 100 150 105 150 200 140 200 V Maximum RMS Voltage 50 35 50 Maximum DC blocking Voltage Vdc Maximum Average Forward Rectified Current 3/8″lead length at Ta =50℃ Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load Maximum Forward Voltage at Forward current 3.0A Peak Maximum DC Reverse Current Ta =25℃ at rated DC blocking voltage Ta =100℃ Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Typical Thermal Resistance (Note 3) Storage and Operating Junction Temperature V V If(av) 3.0 A Ifsm 125.0 A Vf 0.95 V 5.0 250.0 20 26 25 -55 to +150 μA μA Ir Trr Cj R(ja) Tstg,Tj nS pF ℃/W ℃ Note： 1. Reverse Recovery Condition If =0.5A, Ir =1.0A, Irr =0.25A 2. Measured at 1.0 MHz and applied reverse voltage of 4.0Vdc 3. Thermal Resistance from Junction to Ambient at 3/8″lead length, P.C. Board Mounted Rev.A5 www.gulfsemi.com RATINGS AND CHARACTERISTIC CURVES UG3A THRU UG3D 1 1 Rev.A5 www.gulfsemi.com