UF1200 ULTRAFAST EFFICIENT PLASTIC SILICON RECTIFIER VOLTAGE： ：1200V CURRENT： ： 1.0A DO –41\DO-204AL FEATURE 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 UF1200 units Maximum Recurrent Peak Reverse Voltage Vrrm 1200 V Maximum RMS Voltage Vrms 840 V Maximum DC blocking Voltage Vdc 1200 V Maximum Average Forward Rectified Current 3/8″lead length at Ta =55℃ Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load Maximum Forward Voltage at Forward current 1A Peak Maximum DC Reverse Current Ta =25°C at rated DC blocking voltage Ta =125°C If(av) 1.0 A Ifsm 30.0 A Vf 1.5 V Ir 10.0 100.0 µA µA Maximum Reverse Recovery Time (Note 1) Trr 100 nS Typical Junction Capacitance (Note 2) Cj 17.0 pF Typical Thermal Resistance (Note 3) R(ja) 60.0 ℃/W Tstg,Tj -55 to +150 ℃ Storage and Operating Junction Temperature 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.A1 www.gulfsemi.com RATINGS AND CHARACTERISTIC CURVES UF1200 Rev.A1 www.gulfsemi.com