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1N4454UR-1
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Product Detailed Parameters
- Description：DIODE STANDARD 50V 200MA DO213AA
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：50 V
- Current - Average Rectified (Io)：200mA
- Voltage - Forward (Vf) (Max) @ If：1 V @ 10 mA
- Speed：Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr)：4 ns
- Current - Reverse Leakage @ Vr：100 nA @ 50 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：DO-213AA
- Supplier Device Package：DO-213AA
- Operating Temperature - Junction：-55°C ~ 175°C
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Overview
The Microchip Technology 1N4454UR-1 is a high-reliability silicon planar Zener diode designed for voltage regulation and reference applications. It features a hermetically sealed DO-213AA (SMB) surface-mount package, ensuring robust performance in demanding environments. The device provides stable Zener voltage characteristics with low impedance, making it suitable for precision circuits. Its construction supports operation under rigorous thermal and mechanical stress conditions typical of aerospace and military systems.
Feature Summary
- Hermetically sealed construction for environmental protection
- High-reliability silicon planar design
- Stable voltage regulation characteristics
Applications
- Aerospace voltage regulation
- Military circuit protection
- Precision voltage references
Procurement Notes
Verify the specific Zener voltage tolerance and test conditions against the official Microchip datasheet for the 1N4454UR-1. Confirm that the DO-213AA package dimensions match your PCB footprint requirements. Ensure procurement channels provide traceability documentation required for high-reliability applications. Check for any specific handling instructions related to ESD sensitivity during assembly.
Selection Notes
Select this component when hermetic sealing and high reliability are critical for the application environment. Consider the SMB package size constraints and thermal dissipation capabilities. Verify that the Zener voltage range aligns with the circuit's regulation needs. Evaluate the cost implications of high-reliability components versus standard commercial grades.
Part Context
This part belongs to Microchip's family of high-reliability Zener diodes. These components are engineered for sectors requiring stringent quality standards, such as defense and space exploration. The 1N4454UR-1 variant specifically utilizes a surface-mount form factor to facilitate automated assembly processes while maintaining ruggedness.
Replacement Considerations
Consult Microchip's official cross-reference guides for verified equivalents. Ensure any substitute maintains the same hermetic seal and package type. Verify electrical parameters match exactly to avoid circuit modification.
