UGRA20F Ultra fast Plastic Rectifiers VOLTAGE: 300V CURRENT:20.0A FEATURE TO-220AB • 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 • Ultra fast recovery time for high efficiency • Excellent high temperature switching • Glass passivated junction • High voltage and high reliability • High speed switching • Low forward voltage MECHANICAL DATA Case: JEDEC TO-220 molded plastic body over passivated chip Terminals: Solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end 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°C, unless otherwise stated) Maximum Maximum Maximum Maximum Recurrent Peak Reverse Voltage RMS Voltage DC blocking Voltage Average Forward Rectified at Tc =100°C Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load Maximum Forward Voltage at Forward Current at 10A Maximum Reverse Recovery Time (Note 1) Typical thermal resistance junction to case Maximum DC Reverse Current Ta =25°C at rated DC blocking voltage Ta =100°C Storage and Operating Temperature Range SYMBOL UGRA20F units Vrrm Vrms Vdc 300 210 300 V V V If(av) 20.0 A Ifsm 140 A Vf 1.25 V Trr 25 nS Rth(jc) 2.5 Ir Tstg, Tj 10 200 -55 to +150 °C/W µA µA °C Note: 1. Reverse Recovery Condition If =0.5A, Ir =1.0A, Irr =0.25A Rev.1 www.gulfsemi.com RATINGS AND CHARACTERISTIC CURVES UGRA20F 1 1Rev.1 www.gulfsemi.com