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Product Detailed Parameters
- Description：DIODE STD REV 225V 400MA DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Technology：Standard, Reverse Polarity
- Voltage - DC Reverse (Vr) (Max)：225 V
- Current - Average Rectified (Io)：400mA
- Voltage - Forward (Vf) (Max) @ If：1 V @ 400 mA
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：200 nA @ 225 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Supplier Device Package：DO-204AH (DO-35)
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The 1N645/TR is a silicon switching diode manufactured by Microchip Technology. It is designed for signal and computer applications, featuring a maximum repetitive peak reverse voltage of 225V and an average forward rectified current of 400mA. The component utilizes a DO-35 (DO-204AH) through-hole glass package and is supplied in tape-and-reel packaging to facilitate automated assembly processes.
Feature Summary
- Constructed from silicon material for reliable switching performance
- Utilizes a hermetically sealed glass axial leaded package
- Optimized for high-speed signal and computer circuit applications
Applications
- General purpose signal switching circuits
- Computer logic interface protection
- High-speed rectification tasks
Procurement Notes
Verify the specific suffix designation against official Microchip documentation to confirm package type and reel specifications. Ensure the procurement channel provides valid traceability for the DO-35 through-hole variant. Cross-reference the manufacturer part number with the latest datasheet to confirm electrical ratings match system requirements before integration.
Selection Notes
Select this component when a standard silicon switching diode with a 225V reverse voltage rating is required for through-hole mounting. The DO-35 package offers compatibility with existing axial lead footprints. Consider the 400mA current capacity for low-power signal processing environments where compact axial packaging is preferred over surface mount alternatives.
Part Context
This device belongs to the 1N645 series of silicon switching diodes produced by Microchip Technology. The series includes variants such as the 1N645-1 for surface mount applications. These components are engineered for general-purpose rectification and switching, adhering to established industry standards for small-signal diode performance and reliability in electronic assemblies.
Replacement Considerations
Direct substitutes include other 1N645 series parts from different manufacturers that meet the same JEDEC outline and electrical specifications. Verify pinout compatibility and thermal characteristics when replacing with generic equivalents to ensure circuit integrity.
