Digitron Semiconductors
SILICON 1 WATT ZENER DIODES
Micro Commercial Components
1.0 Watt Zener Diode 3.3 to 100 Volts
Transys Electronics Limited
SILICON GLASS PASSIVATED 1.0 WATT ZENER DIODES
Semtech Electronics LTD.
SILICON PLANAR POWER ZENER DIODES