HER301G THRU HER308G ULTRAFAST EFFICIENT GLASS PASSIVATED RECTIFIER VOLTAGE： ：500 TO 1000V CURRENT： ： 3.0A FEATURE DO-201AD Low power loss High surge capability 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°C, unless otherwise stated) Symbol HER 301G HER 302G HER 303G HER 304G HER 305G HER 306G HER 307G HER 308G units Maximum Recurrent Peak Reverse Voltage Vrrm 50 100 200 300 400 600 800 1000 V Maximum RMS Voltage Vrms 35 70 140 210 280 420 560 700 V Maximum DC blocking Voltage Vdc 50 100 200 300 400 600 800 1000 V Maximum Average Forward Rectified Current 3/8”lead length at Ta =50°C Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load Maximum Forward Voltage at Forward current 3A Peak Maximum DC Reverse Current Ta =25°C at rated DC blocking voltage Ta =125°C If(av) 3.0 Ifsm 125 Vf 1.0 A A 1.3 1.7 10.0 200.0 Ir V µA Maximum Reverse Recovery Time (Note 1) Trr 50 75 nS Typical Junction Capacitance (Note 2) Cj 80 50 pF Typical Thermal Resistance (Note 3) Rth(ja) 20.0 °C/W Storage and Operating Junction Temperature Tstg,Tj -50 to +150 °C 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.cn RATINGS AND CHARACTERISTIC CURVES HER301G THRU HER308G Rev.A1 www.gulfsemi.com.cn