This document describes the features and characteristics of the 1 Watt Metal Case Zener Diodes series, which provides a low voltage selection of 3.3 to 7.5 volts. It is well suited for high-reliability applications and is available in various models and military qualifications.
The 1N3821‑1N3830A series are 1‑Watt metal‑case Zener diodes offered by Microsemi. They are JEDEC‑registered and available in hermetically sealed DO‑13 glass‑metal packages, with options for JAN, JANTX, and JANTXV military qualifications.
The datasheet provides detailed electrical parameters such as Zener voltage range (3.3 V to 7.5 V), power dissipation (1 W up to +125 °C), thermal resistance (50 °C/W), and operating temperature range (‑5 °C to +175 °C), as well as mechanical dimensions and packaging options.
| Zener Voltage Range | 3.3 V to 7.5 V |
|---|---|
| Maximum Power Dissipation | 1 W (T < +125 °C) |
| Thermal Resistance | 50 °C/W |
| Package Type | DO‑13 metal case |
The series covers a Zener voltage range from 3.3 V to 7.5 V.
Each diode can dissipate up to 1 W at temperatures up to +125 °C.
They are supplied in a hermetically sealed DO‑13 metal case.
Yes, the parts are offered with JAN, JANTX, and JANTXV qualifications.