1N4728A - 1N4758A is a diode produced by Fairchild Semiconductor Corporation, with a maximum power of 1.0W and a maximum operating temperature of 200℃. The rated voltage is 3.135V-12.6V.
The document lists the absolute maximum ratings, electrical characteristics and recommended marking for each part in the 1N4728A‑1N4758A Zener diode series. It includes tables of Zener voltage ranges, power dissipation, temperature limits and reverse leakage currents.
Additional sections describe the top‑mark identification format, general marking requirements, trademark notices, and Fairchild's policies on product status, life‑support use and anti‑counterfeiting measures.
| Power Dissipation (Pp) | 1.0 W |
|---|---|
| Lead Length | 378 mil |
| Derate above 50 °C | 6.67 mW/°C |
| Operating Temperature Range | -65 °C to +200 °C |
| Zener Voltage (1N4728A) | 3.135 V – 3.465 V |
| Cathode Identification | Color band on case |
The maximum power dissipation is 1.0 W.
They can operate from –65 °C up to +200 °C.
A color band on the case denotes the cathode.