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- 2012-05-03
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Microsemi 1N2970 THRU 1N3015B 1N3993 THRU 1N4000A DATA SHEET1
This datasheet describes Microsemi's high‑power 10 W Zener diode series covering part numbers 1N2970‑1N3015B and 1N3993‑1N4000A. The devices provide voltage regulation from 3.9 V up to 200 V and are suitable for a broad range of current and temperature conditions.
Key specifications include a maximum power dissipation of 10 W, junction temperature limits of –65 °C to +175 °C, storage limits of –65 °C to +200 °C, and a typical thermal resistance of 10 °C·W⁻¹. The diodes are offered in a DO‑4 (DO‑203AA) hermetically sealed case weighing 7.5 g, with standard polarity configurations indicated by suffixes.
Microsemi SHEET1 specifications
| Zener Voltage Range | 3.9 V to 200 V |
|---|---|
| Maximum Power Dissipation | 10 W |
| Junction Temperature Range | -65 °C to +175 °C |
| Storage Temperature Range | -65 °C to +200 °C |
| Thermal Resistance (junction‑to‑case) | 10 °C·W⁻¹ (typical) |
| Forward Voltage @ 2 A | 1.5 V |
| Weight | 7.5 g |
| Case Type | DO‑4 (DO‑203AA) hermetically sealed |
Source: Microsemi 1N2970 THRU 1N3015B 1N3993 THRU 1N4000A DATA SHEET1
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Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum power rating of these Zener diodes?
Each diode can dissipate up to 10 W of power.
From: Microsemi 1N2970 THRU 1N3015B 1N3993 THRU 1N4000A DATA SHEET1
What are the standard polarity configurations for the 1N2970‑1N3015B series?
Standard polarity is anode to the case (stud) for the 1N2970‑1N3015B series.
From: Microsemi 1N2970 THRU 1N3015B 1N3993 THRU 1N4000A DATA SHEET1
What are the operating temperature limits?
The diodes operate and can be stored from –65 °C up to +175 °C.