Motorola => Freescale
GLASS ZENER DIODES 500 MILLIWATTS 1.8–200 VOLTS
Leshan Radio Company,Ltd
1N47 SERIES ZENER DIODES
CHENG-YI ELECTRONIC CO., LTD.
1W SILICON PLANAR ZENER DIODES
Tak Cheong Electronics (Holdings) Co.,Ltd
1 Watt DO-41 Hermetically Sealed Glass Zener Voltage Regulators
Hitachi -> Renesas Electronics
Silicon Epitaxial Planar Zener Diodes for Stabilized Power Supply
Surge Components
SILICON PLANAR POWER ZENER DIODES
First Components International
1 Watt ZENER DIODES (3.3V to 100V)