This datasheet provides detailed information on the features and characteristics of the ZM4728A-ZM4764A, including power dissipation, rated voltage, forward voltage, and operating temperature range.
This handbook describes the ZM4728A‑ZM4764A family of 1.0 W surface‑mount Zener diodes. It lists key features such as 1.0 W power dissipation, nominal Zener voltages ranging from 3.9 V to 100 V, and a MELF glass package with solderable terminals.
Electrical characteristics are provided for each part number, including Zener current, impedance, forward voltage at 200 mA, thermal resistance, and operating temperature range. A power‑derating curve shows how the maximum dissipation changes with ambient temperature.
| Power Dissipation | 1 W |
|---|---|
| Nominal Zener Voltage | 3.9 V‑100 V |
| Package | MELF, Glass |
| Terminals | Solderable per MIL‑STD‑202, Method 208 |
| Polarity | Cathode Band |
| Weight | 0.25 g |
| Forward Voltage @ 200 mA | 1.2 V |
| Operating Temperature Range | -65 °C to +200 °C |
The diodes are rated for a maximum power dissipation of 1 W at 25 °C.
They are supplied in a MELF glass case.
The forward voltage is specified as 1.2 V at a current of 200 mA.