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Product Detailed Parameters
- Description：DIODE ZENER 22V 10W DO203AA
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：22 V
- Tolerance：±5%
- Power - Max：10 W
- Impedance (Max) (Zzt)：3 Ohms
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：-
- Mounting Type：Stud Mount
- Package / Case：DO-203AA, DO-4, Stud
- Voltage - Forward (Vf) (Max) @ If：-
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N1359A is a general-purpose Zener diode voltage regulator designed for high-power applications. It features a nominal Zener voltage of 22 V with a tolerance of ±5%. The component supports a maximum power dissipation of 10 W and exhibits a maximum Zener impedance of 3 Ohms. It utilizes a stud mount configuration within the DO-203AA (DO-4) package, ensuring robust thermal management and mechanical stability for industrial environments.
Feature Summary
- Provides stable voltage regulation using a 22 V Zener reference
- Supports high power dissipation up to 10 W for demanding loads
- Utilizes stud mount construction for secure attachment and heat sinking
Applications
- High-power voltage regulation circuits
- Industrial power supply protection
- General-purpose voltage reference applications
Procurement Notes
Verify the manufacturer designation as Microchip Technology or its predecessor Micrel when sourcing. Confirm the package type is DO-203AA (DO-4) and the mounting style is stud mount. Ensure the Zener voltage specification matches the required 22 V nominal value with ±5% tolerance for circuit compatibility.
Selection Notes
Select this component for applications requiring a robust, high-power voltage reference. The stud mount design facilitates direct heatsinking, making it suitable for environments where thermal performance is critical. Verify that the system can accommodate the physical dimensions and mounting hardware required for the DO-4 package.
Part Context
This part belongs to the family of single Zener diodes manufactured by Microchip Technology. It serves as a discrete semiconductor solution for voltage control, distinct from integrated regulators. The component is widely recognized in industrial electronics for its reliability and ability to handle significant power levels compared to smaller surface-mount alternatives.
Replacement Considerations
Substitutes must match the 22 V Zener voltage, 10 W power rating, and DO-203AA stud mount package. Verify equivalent impedance characteristics to ensure similar regulation performance under load conditions.
