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Product Detailed Parameters
- Description：DIODE ZENER 120V 500MW DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：120 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：600 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 91 V
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Voltage - Forward (Vf) (Max) @ If：1.4 V @ 1 A
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N6350 is a military-qualified Zener voltage regulator with a nominal breakdown voltage of 120.0 V at a test current of 1.0 mA. It features a maximum dynamic impedance of 600 ohms and supports a maximum Zener current of 3,200 mA. 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 voidless glass DO-35 package.
Feature Summary
- Hermetically sealed construction using voidless-glass technology with internal metallurgical bonding for high reliability.
- Qualified per MIL-PRF-19500/533 standards across JAN, JANTX, JANTXV, and JANS reliability levels.
- Inherently radiation hard and non-sensitive to electrostatic discharge (ESD) per MIL-STD-750 method 1020.
Applications
- High-reliability aerospace and defense circuits where failure is not tolerated.
- Voltage regulation in harsh environments requiring extended temperature performance.
- Radiation-hardened electronic systems.
Procurement Notes
Verify the specific ordering suffix to confirm the required reliability level (JAN, JANTX, JANTXV, or JANS) and RoHS compliance status. Commercial versions may differ in qualification and packaging specifications compared to the military-grade variants defined in the datasheet.
Selection Notes
Select this component for applications demanding robust voltage regulation under extreme thermal conditions. Ensure the circuit design accommodates the specified maximum power dissipation and thermal resistance characteristics relative to the lead temperature constraints.
Part Context
This part belongs to the 1N6309 through 1N6355D series of industry-recognized 0.5-watt Zener voltage regulators. The series provides extensive voltage selections from 2.4 to 200 volts with standard and tight tolerances available in both axial-lead and surface-mount packages.
Replacement Considerations
Direct substitutes include other parts qualified to MIL-PRF-19500/533 with matching 120V Zener voltage and 0.5W power rating. Verify package compatibility and metallurgical bond category requirements before substitution.
