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Product Detailed Parameters
- Description：DIODE ZENER 12V 1W DO213AB
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：12 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：9 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 9.1 V
- Operating Temperature：-55°C ~ 175°C
- Mounting Type：Surface Mount
- Package / Case：DO-213AB, MELF
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N3022BUR-1 is a surface mount Zener diode with a nominal voltage of 12 V. It operates within a temperature range of -55 °C to +175 °C and dissipates up to 1 W. The device features a DO-213AB (MELF) package, a maximum reverse leakage current of 10 µA, and a Zener impedance of 9 Ohms at a test current of 21 mA. It has a forward voltage of 1.2 V at 200 mA and a voltage temperature coefficient of 0.081 %/°C.
Feature Summary
- Hermetically sealed glass MELF construction for high reliability
- Leadless surface mount design suitable for high-density applications
- Metallurgically bonded internal contacts for enhanced thermal performance
Applications
- Voltage regulation in high-reliability environments
- High-density circuit board mounting
- Low parasitic requirement applications
Procurement Notes
Verify the specific military qualification level required for the application, as the series includes JAN, JANTX, and JANTXV variants. Confirm RoHS compliance status, noting that commercial versions may differ from qualified levels. Ensure the ordering suffix matches the desired tolerance and packaging configuration before finalizing procurement.
Selection Notes
Select this component when a 12 V reference is needed in a leadless surface mount package. Consider the 1 W power dissipation limit and derating requirements above 125 °C. Verify compatibility with the mounting surface's axial coefficient of expansion to ensure mechanical integrity during thermal cycling.
Part Context
This part belongs to the 1N3016BUR-1 through 1N3045BUR-1 series of 1 Watt Surface Mount Zener Diodes. These devices serve as leadless equivalents to JEDEC registered 1N3016B-1 through 1N3045B-1 numbers, utilizing the DO-213AB outline instead of the traditional DO-13 package.
Replacement Considerations
Direct replacements include other parts within the 1N3016BUR-1 to 1N3045BUR-1 series or equivalent MIL-PRF-19500/115 qualified diodes. Verify that substitute components match the 12 V nominal voltage, 1 W power rating, and DO-213AB package dimensions.
