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Product Detailed Parameters
- Description：DIODE ZENER 9.1V 1W DO213AB
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：9.1 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：6 Ohms
- Current - Reverse Leakage @ Vr：25 µA @ 6.9 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 1N3019BUR-1 is a surface mount glass Zener diode with a nominal voltage of 9.1 V and a test current of 28 mA. It operates within a temperature range of -65°C to +175°C and dissipates up to 1.5 W at 25°C. The device features a maximum reverse leakage current of 5 µA, a typical temperature coefficient of 0.050 %/°C, and a maximum impedance of 5 Ω at the test current.
Feature Summary
- Hermetically sealed double-slug glass construction for high reliability
- Metallurgically enhanced internal contact design for lower thermal resistance
- Leadless surface mount package suitable for high-density mounting
- Inherently radiation hard
Applications
- High-reliability applications requiring hermetic sealing
- High-density circuit board mounting
- Voltage regulation over broad operating currents and temperatures
- Radiation-hardened environments
Procurement Notes
Verify the specific ordering suffix against the manufacturer's documentation to confirm screening levels and compliance status. Confirm that the requested part number matches the exact electrical characteristics required for the application. Ensure compatibility with the specified DO-213AB footprint during layout verification.
Selection Notes
Select this component when a surface mount equivalent to the axial 1N3019B is needed with higher power handling capabilities. Consider the metallurgically enhanced contacts for improved thermal performance in dense layouts. Evaluate the radiation hardness properties if the deployment environment requires inherent tolerance to ionizing radiation.
Part Context
This device belongs to the 1N3016BUR-1 through 1N3051BUR-1 series of surface mountable Zener diodes. It serves as the SMD counterpart to the JEDEC registered 1N3016 through 1N3051 axial lead devices, offering similar functionality in a compact DO-213AB outline while providing increased power dissipation ratings.
Replacement Considerations
The MLL3019B is an alternate designation for this device. Axial equivalents include the 1N3019B.
