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1N5534BUR-1
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Product Detailed Parameters
- Description：DIODE ZENER 14V 500MW DO213AA
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：14 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：100 Ohms
- Current - Reverse Leakage @ Vr：10 nA @ 12.6 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 1N5534BUR-1 is a low voltage avalanche Zener diode rated at 0.5 W, housed in a hermetically sealed DO-213AA (MELF) glass surface mount package. It provides a nominal Zener voltage of 14 V with a standard tolerance of ±5%. The device operates within a junction temperature range of -65°C to +175°C and features an internal metallurgical bond for enhanced reliability.
Feature Summary
- Hermetically sealed glass MELF package construction
- Internal metallurgical bond option available
- Qualified per MIL-PRF-19500/437 standards
- Inherently radiation hard design
Applications
- Voltage regulation over broad operating current and temperature ranges
- Polarity protection circuits
- High frequency DC to DC converters
- Switched mode power supplies
Procurement Notes
Verify the specific qualification level required, as JAN, JANTX, and JANTXV variants exist within this series. Confirm RoHS compliance status if applicable, noting that commercial versions may differ from military qualified parts. Ensure the metallurgical bond requirement is specified during ordering, as it is an optional feature for this package type.
Selection Notes
Select this component when a robust surface mount solution is needed for low voltage regulation. The DO-213AA package offers a compact footprint suitable for automated assembly. Consider the thermal resistance characteristics and derating curves when designing for high ambient temperatures or limited board space.
Part Context
This part belongs to the 1N5518BUR-1 through 1N5546BUR-1 series of low voltage avalanche Zener diodes. The series covers a voltage selection from 3.3 V to 33 V. The 'B' suffix indicates a standard ±5% voltage tolerance, while the '-1' suffix denotes the availability of an internal metallurgical bond.
Replacement Considerations
Direct replacements include other 1N5534BUR-1 units from different manufacturers meeting MIL-PRF-19500/437 specifications. Commercial equivalents in the DO-213AA package should be evaluated for matching voltage tolerance, impedance, and leakage current parameters.
