LESHAN RADIO COMPANY ， LTD. RB301S Thru RB309S ．FEATURES ．Plastic Package has Underwriters Laboratory Flammability Classification 94V-0 ．Glass passivated chip junctions ．Single in-line package ．High current capacity with small package ．Superior thermal conductivity ．High temperature soldering guaranted: 260℃/10 seconds ．High IFSM ．Maximum Ratings & Thermal Characteristics Ratings at 25℃ ambient temperature unless otherwise specified. Parameter Symbol Symbol RB301S VRM Maximum repetitive voltage Maximum DC reverse current at rated DC blocking voltage TA=25℃ TA=125℃ 100 RB302S RB304S RB306S RB308S RB309S Unit 200 400 600 800 1000 V 10 IR µA 500 Average rectified forward current 60Hz Sine wave Resistance load with heat sink Tc=100℃ Io 3 A Peak forward surge current 8.3ms single half sinewave superimposed on rated load IFSM 80 A Maximum instantaneous forward voltage at 3A VF 1.0 V Operating junction temperature TJ 125 ℃ Tstg -40~150 ℃ Storage temperature LESHAN RADIO COMPANY ， LTD. RB301S Thru RB309S Fig. 1 derating Curve Average Rectified Forward Current Instantaneous Reverse Current Microamperes Fig.2 Typical Reverse Characteristics Case Temperature Tc( ℃) Fig.4 Peak Surge Forward capability Forward Current IF(A) Peak Surge Forward Current IFSM(A) Fig.3 Forward Voltage Percent of Rated Peak Reverse Voltage% Forward Voltage VF（V） Number of Cycles at 60 Hz(cycles)