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Product Detailed Parameters
- Description：DIODE ZENER 33V 10W DO203AA
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：33 V
- Tolerance：±10%
- Power - Max：10 W
- Impedance (Max) (Zzt)：4 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 MCP1825-0802E/ET is a fixed positive Low Dropout (LDO) voltage regulator manufactured by Microchip Technology. It provides a stable output voltage of 1.2 V with a maximum dropout voltage of 0.35 V at rated load conditions. The device is housed in a PSSO5 package, indicating a five-pin surface-mount configuration suitable for compact circuit designs. This component is part of the MCP1825 series, designed to deliver regulated power efficiently in low-voltage applications.
Feature Summary
- Fixed positive output voltage regulation
- Low dropout operation capability
- Surface-mount packaging for space-constrained designs
Applications
- Portable electronic devices requiring stable low-voltage supply
- Battery-powered systems needing efficient voltage regulation
- Embedded circuits utilizing the MCP1825 family regulators
Procurement Notes
Verify the specific suffix (e.g., /ET) against official Microchip documentation to ensure correct package and temperature range specifications. Confirm that the required output voltage matches the fixed 1.2 V characteristic. Cross-reference datasheets for thermal performance and pinout compatibility before integration into final designs.
Selection Notes
Select this component when a fixed 1.2 V output is required with minimal dropout voltage. Ensure the input voltage exceeds the output by at least the specified dropout value. Consider the PSSO5 package constraints for PCB layout and thermal management requirements relative to the expected load current.
Part Context
This part belongs to the MCP1825 series of CMOS LDO regulators from Microchip Technology. The series offers various fixed output voltages and packages. The /ET suffix typically denotes a specific tape-and-reel packaging option and operating temperature range, distinguishing it from other variants like /EB or /AB within the same functional family.
Replacement Considerations
Direct substitutes include other MCP1825 variants with compatible output voltages and packages, such as MCP1825-1202E/ET if available. Verify electrical parameters and pinout compatibility before substitution.
