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1N4751 G
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Product Detailed Parameters
- Description：DIODE ZENER 30V 1W DO204AL
- Series：-
- Mfr：Microsemi Corporation
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：30 V
- Tolerance：±10%
- Power - Max：1 W
- Impedance (Max) (Zzt)：40 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 22.8 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 1N4751G is a silicon unidirectional Zener diode with a nominal voltage of 30V and a tolerance of 10%. It features a maximum power dissipation of 1W and operates within a temperature range up to 175°C. The component utilizes a hermetically sealed glass DO-204AL (DO-41) axial leaded package, providing isolated case connection. It is classified as a single-element device with two terminals.
Feature Summary
- Hermetically sealed glass encapsulation for environmental protection
- High thermal rating suitable for elevated temperature environments
- JEDEC registered part number for standardized compatibility
Applications
- Voltage regulation in high-reliability circuits
- Overvoltage protection in harsh environments
- Reference voltage sources requiring hermetic sealing
Procurement Notes
Verify the specific suffix 'G' indicates the glass body variant when sourcing replacements. Confirm RoHS compliance status as non-compliant devices may require specific justification. Ensure the supplier provides documentation confirming the hermetic seal integrity and JEDEC registration alignment for critical applications.
Selection Notes
Select this component when hermetic sealing is mandatory for environmental resistance. Choose over plastic variants if higher operating temperatures beyond standard limits are required. Consider surface mount equivalents only if redesigning the footprint is permissible.
Part Context
This part belongs to the 1N4728AG through 1N4764AG series of 1.0-watt Zener diodes manufactured by Microsemi's Scottsdale Division. The series offers extensive voltage selection from 3.3V to 100V. The 'G' suffix specifically denotes the glass body construction, distinguishing it from the plastic 'P' suffix option within the same electrical family.
Replacement Considerations
Equivalent parts include other manufacturers' 1N4751A or 1N4751B diodes in DO-41 packages. Verify that replacement units meet the hermetic sealing requirement if the original application demands it.
