1N4990US,ZENER DIODE
1N4991,DIODE ZENER
1N4991.TR,240V ZENER 5W TR
1N4991US,DIODE ZENER
1N4991US.TR,240V ZENER 5W SM TR
1N4992,DIODE ZENER 270V 5W AXIAL
1N4992.TR,270V ZENER 5W TR
1N4992US,DIODE ZENER