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1N5519BUR-1
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Product Detailed Parameters
- Description：DIODE ZENER 3.6V 500MW DO213AA
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：3.6 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：24 Ohms
- Current - Reverse Leakage @ Vr：3 µA @ 1 V
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：DO-213AA
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microchip Technology JAN1N5519BUR-1 is a low voltage avalanche Zener diode with a nominal breakdown voltage of 3.6 V at a test current of 20 mA. It features a maximum dynamic impedance of 24 Ohms and a maximum reverse leakage current of 3 µA. The device operates within a junction temperature range of -65 °C to +175 °C and dissipates up to 0.5 W. It utilizes a hermetically sealed DO-213AA MELF surface mount package.
Feature Summary
- Hermetically sealed glass MELF package construction
- Internal metallurgical bond option for enhanced reliability
- Qualified per MIL-PRF-19500/437 standards
- Inherently radiation hard
Applications
- Voltage regulation in harsh environments
- Reference voltage sources
- Protection circuits requiring radiation hardness
Procurement Notes
Verify the specific qualification level (JAN, JANTX, or JANTXV) required for your application, as the datasheet covers the entire series. Confirm RoHS compliance status if applicable, noting that commercial versions may differ from military qualified parts. Ensure the ordering suffix matches the desired tolerance and metallurgical bond configuration.
Selection Notes
Select this component when a stable 3.6 V reference is needed in a surface mount form factor. Consider the 5% tolerance indicated by the 'B' suffix. Evaluate the thermal resistance characteristics against your board layout requirements. Verify that the operating current range aligns with your circuit design constraints.
Part Context
This part belongs to the 1N5518BUR-1 through 1N5546BUR-1 series of low voltage avalanche Zener diodes. The series offers voltages from 3.3 V to 33 V. The 'UR-1' designation indicates a surface mount MELF package with an internal metallurgical bond. These devices are designed for high-reliability applications.
Replacement Considerations
Direct replacements include other JAN1N5519 variants such as JAN1N5519B-1 or JAN1N5519B, provided they meet the same electrical specifications and package requirements. Verify compatibility with MIL-PRF-19500/437 standards.
