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1N5526BUR-1/TR
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Product Detailed Parameters
- Description：DIODE ZENER 6.8V 500MW DO213AA
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Zener (Nom) (Vz)：6.8 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：30 Ohms
- Current - Reverse Leakage @ Vr：1 µA @ 6.2 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 1N5526BUR-1/TR is a low voltage avalanche Zener diode with a nominal breakdown voltage of 6.8 V at a test current of 1.0 mA. It features a maximum dynamic impedance of 30 Ohms and a maximum reverse leakage current of 1.0 µA at 6.2 V. The device operates within a junction temperature range of -65°C to +175°C and dissipates up to 0.5 W. Packaged in a hermetically sealed DO-213AA MELF surface mount case, it includes an internal metallurgical bond and is supplied in tape and reel format.
Feature Summary
- Hermetically sealed glass DO-213AA MELF package with internal metallurgical bond
- Qualified per MIL-PRF-19500/437 for JAN, JANTX, and JANTXV reliability levels
- Inherently radiation hard and non-sensitive to ESD per MIL-STD-750 Method 1020
Applications
- Voltage regulation over broad operating current and temperature ranges
- Radiation-hardened electronic systems
- High-reliability surface mount circuit designs
Procurement Notes
Verify the specific suffix configuration against the datasheet nomenclature to ensure correct tolerance and qualification level. Confirm that the TR suffix indicates tape and reel packaging as specified. Check for RoHS compliance status if required by assembly standards, noting that compliant versions are available on commercial grades only. Validate lead times due to potential manufacturing delays associated with military-grade components.
Selection Notes
Select this component when a hermetically sealed surface mount Zener diode with radiation hardness is required. Ensure the 6.8 V nominal voltage aligns with the circuit design requirements. Consider the 0.5 W power dissipation limit and derating curves for thermal management. Verify that the DO-213AA footprint matches the PCB layout constraints.
Part Context
This part belongs to the 1N5518BUR-1 through 1N5546BUR-1 series of low voltage avalanche Zener diodes manufactured by Microchip Technology. The series offers a wide selection of voltages from 3.3 V to 33 V with various tolerance options. These devices are designed for high-reliability applications requiring robust surface mount packages.
Replacement Considerations
Consult the manufacturer's documentation for direct substitutes within the same series or equivalent qualified parts. Verify pinout compatibility and electrical parameter alignment before substitution.
