1N4728

NXP Semiconductors.

Voltage regulator diodes

Micro Commercial Components

1.0 Watt Zener Diode 3.3 to 75 Volts

Philips Electronics

Voltage regulator diodes

Rectron Semiconductor

SILICON PLANAR ZENER DIODE

New Jersey Semiconductor

ONE WATT HERMETICALLY SEALED GLASS SILICON ZENER DIODES

Digitron Semiconductors

SILICON 1 WATT ZENER DIODES

Semtech Electronics LTD.

SILICON PLANAR POWER ZENER DIODES

GOOD-ARK

1N4728 Thru 1N4764 / Zener Diode / Vz Range : 3.3V to 100 Volts

Secos Corporation.

ZENER DIODES