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Product Detailed Parameters
- Description：DIODE ZENER 75V 500MW B-AXIAL
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：75 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：180 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 56 V
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Through Hole
- Package / Case：B, Axial
- Voltage - Forward (Vf) (Max) @ If：1.4 V @ 1 A
- Grade：-
- Qualification：-
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Overview
The JANTXV1N6345CUS is a military-qualified Zener voltage regulator from the Microchip / Microsemi 1N6309 through 1N6355 series. It features a voidless hermetically sealed glass package with internal metallurgical bonds, designed for high-reliability applications where failure cannot be tolerated. The device operates within a voltage range of 2.4 to 200 volts and offers standard 5% tolerance, with tighter 1% and 2% options available depending on the specific part nomenclature.
Feature Summary
- Hermetically sealed voidless-glass construction
- Internal metallurgical bonding for reliability
- Military qualification per MIL-PRF-19500/533
Applications
- High-reliability military systems
- Aerospace electronics
- Critical power regulation circuits
Procurement Notes
Verify the exact suffix (e.g., CUS) against the datasheet to confirm tolerance and package type. Ensure procurement channels are authorized for military-grade components. Check for RoHS compliance status as indicated in official documentation, noting that some qualified levels may have specific regulatory attributes.
Selection Notes
Select this component when hermetic sealing and voidless-glass construction are required for environmental protection. Choose based on the specific Zener voltage needed within the 2.4 to 200-volt range. Verify the required tolerance level (1%, 2%, or 5%) matches the application's precision needs before ordering.
Part Context
This part belongs to the industry-recognized 1N63xx series of 0.5-watt Zener voltage regulators. It serves as the surface-mount equivalent to the JEDEC registered axial-leaded 1N6309 through 1N6355 series, providing similar performance in a compact B-SQ MELF package format suitable for modern PCB layouts.
Replacement Considerations
Direct substitutes include other parts from the 1N6309 through 1N6355 series with matching voltage and tolerance. Ensure any replacement maintains the hermetically sealed glass package and metallurgical bond specifications required for the original application.
