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1N4752A
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Product Detailed Parameters
- Description：DIODE ZENER 33V 1W DO41
- Series：-
- Mfr：onsemi
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：33 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：45 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 25.1 V
- Operating Temperature：-65°C ~ 200°C
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Voltage - Forward (Vf) (Max) @ If：-
- Grade：-
- Qualification：-
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Overview
The onsemi 1N4752A is a single-channel Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 33 V with a tolerance of 5%. The device has a maximum power dissipation of 1 W and operates in a DO-41-2 through-hole package. Key electrical parameters include a maximum reverse leakage current of 5 uA, a Zener impedance of 45 Ohms, and a test current of 7.5 mA. It supports an operating temperature range from -65 C to +200 C.
Feature Summary
- Provides stable voltage regulation at a nominal 33 V level
- Utilizes a hermetically sealed glass passivated junction for durability
- Features compression bonded construction for mechanical stability
Applications
- General purpose voltage regulation circuits
- Reference voltage sources in electronic systems
- Overvoltage protection stages
Procurement Notes
Verify the specific manufacturer part number against official onsemi documentation to ensure compatibility. Confirm that the required packaging format matches project needs, as variations such as Ammo Pack exist. Cross-reference technical specifications including thermal resistance and maximum ratings with the latest datasheet before integration into designs.
Selection Notes
Select this component when a precise 33 V reference is required within a standard axial leaded form factor. Ensure the circuit design accommodates the specified 1 W power dissipation limit under expected operating conditions. Verify that the 5% voltage tolerance aligns with the system's precision requirements and that the through-hole mounting style fits the PCB layout constraints.
Part Context
This component belongs to the 1N47xxA series of one-watt Zener diodes manufactured by onsemi. The series offers a wide range of voltage options within the same DO-41 package, allowing for standardized inventory management across different voltage regulation designs while maintaining consistent physical dimensions and mounting characteristics.
Replacement Considerations
Equivalent parts from other manufacturers may share identical electrical specifications but require verification of pinout orientation and package dimensions. Substitutes must meet or exceed the 1 W power rating and 33 V Zener voltage tolerance to maintain circuit functionality without modification.
