1N4555A,DIODE ZENER
1N4555B,
1N4555RB,DIODE ZENER 6.8V 500MW DO5
1N4556A,DIODE ZENER
1N4556B,DIODE ZENER 7.5V 500MW DO5
1N4556RB,DIODE ZENER 7.5V 500MW DO5
1N4557A,DIODE ZENER 3.9V 50W TO204AD
1N4557B,DIODE ZENER 3.9V 50W TO204AD
