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1N5523D-1
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Product Detailed Parameters
- Description：DIODE ZENER 5.1V 500MW DO204AH
- Series：-
- Mfr：Microsemi Corporation
- Package：Bag
- Voltage - Zener (Nom) (Vz)：5.1 V
- Tolerance：±1%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：26 Ohms
- Current - Reverse Leakage @ Vr：2 µA @ 2.5 V
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 200 mA
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Overview
The Microsemi Corporation 1N5523D-1 is a low voltage avalanche Zener diode with a nominal breakdown voltage of 5.1 V at a test current of 5.0 mA. It operates within a temperature range of -65 °C to +175 °C and dissipates up to 0.5 W. The device features a hermetically sealed glass DO-35 (DO-204AH) package with an internal metallurgical bond, indicated by the '-1' suffix. It provides a maximum DC regulator current of 75 mA and meets MIL-PRF-19500/437 standards for JAN, JANTX, and JANTXV reliability levels.
Feature Summary
- Hermetically sealed axial-lead glass construction with an internal metallurgical bond option
- Qualified per MIL-PRF-19500/437 for JAN, JANTX, and JANTXV military reliability levels
- Inherently radiation hard as described in Microsemi MicroNote 050
- Minimal capacitance and nonsensitive to ESD per MIL-STD-750 Method 1020
Applications
- Voltage regulation over broad operating current and temperature ranges
- Military and aerospace electronic systems requiring high reliability
- Radiation-hardened circuit designs
Procurement Notes
Verify that the specific part number includes the required military qualification level (JAN, JANTX, or JANTXV) and confirm RoHS compliance status, as commercial versions may differ from qualified military grades. Ensure the metallurgical bond option is specified if required for the application environment.
Selection Notes
Select this component when a stable 5.1 V reference is needed in harsh environments. The DO-35 package offers flexible axial-lead mounting. Consider the tight tolerance options available with B, C, or D suffixes if stricter voltage accuracy is required beyond the standard specifications.
Part Context
This device belongs to the 1N5518B thru 1N5546B-1 series of 0.5 watt axial-leaded glass Zener Voltage Regulators. The series covers voltages from 3.3 to 33 volts. The 1N5523D-1 specifically represents the 5.1 V variant with a 1% tolerance and metallurgical bonding.
Replacement Considerations
Compatible substitutes include other 1N5523 variants from different manufacturers offering similar electrical characteristics and DO-35 packaging, provided they meet the required MIL-PRF-19500/437 qualification levels.
