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1N4756AG
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Product Detailed Parameters
- Description：DIODE ZENER 47V 1W DO204AL
- Series：-
- Mfr：Microsemi Corporation
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：47 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：80 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 35.8 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microsemi Corporation 1N4756AG is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 47 V with a tolerance of 5%. The device is rated for a maximum power dissipation of 1 W and operates within a temperature range from -65 °C to +175 °C. It utilizes a DO-204AL (DO-41) package, which provides hermetic sealing in a glass body construction. Key electrical characteristics include a maximum reverse leakage current of 5 µA and a Zener impedance of 95 Ω at the specified test current.
Feature Summary
- Hermetically sealed glass encapsulation ensures environmental protection and reliability
- Compression bonded construction supports high thermal performance
- Single unidirectional configuration for precise voltage regulation
Applications
- High-reliability voltage reference circuits
- Overvoltage protection in aerospace systems
- Precision power supply regulation
Procurement Notes
Verify the specific suffix 'G' indicates the hermetically sealed glass variant distinct from plastic packages. Confirm RoHS compliance status as standard versions may contain lead. Ensure the supplier provides traceability documentation required for military or aerospace procurement specifications.
Selection Notes
Select this component when hermetic sealing is mandatory for harsh environments. Compare thermal resistance against plastic equivalents if cost is a primary constraint. Verify that the 95 Ω impedance meets the dynamic regulation requirements of the target circuit design.
Part Context
This part belongs to the 1N47xxA series of 1-watt Zener diodes manufactured by Microsemi's Scottsdale Division. The series covers a wide voltage range from 3.3 V to 100 V. The 'G' suffix specifically denotes the glass body option, offering higher temperature ratings compared to the plastic 'P' suffix variants within the same JEDEC numbering system.
Replacement Considerations
Microsemi 1N4756DG serves as a direct functional substitute within the same hermetic glass series.
