ENTUBE DE (50V 10V) ENTUBE DE (50V 5V) ENTUBE DE (750V 10V) ENTUBE DE (750V 5V) ENTUBE DE-HB (1000V 10V DIFFSC) ENTUBE DE-HB (1000V 10V SESC) ENTUBE DE-HB (1000V 1V DIFFSC) ENTUBE DE-HB (1000V 5V DIFFSC) ENTUBE DE-HB (1000V 5V SESC) ENTUBE DE-HB (1000V10V SEBNC)