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Product Detailed Parameters
- Description：DIODE STD 225V 400MA DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Bag
- Technology：Standard
- 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：50 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 1N645-1E3 is a silicon switching diode manufactured by Microchip Technology, housed in the DO-35 (DO-204AH) axial leaded package. It is designed for general-purpose rectification and signal processing applications. The component features a maximum repetitive peak reverse voltage of 225 V and a continuous forward current rating of 400 mA. It operates within a standard temperature range suitable for commercial and industrial environments.
Feature Summary
- Utilizes glass passivated junction construction for enhanced reliability
- Designed for high-speed switching and computer logic applications
- Complies with RoHS directives for environmental safety
Applications
- General-purpose rectification circuits
- Computer logic interface protection
- Signal clipping and clamping applications
Procurement Notes
Verify the specific suffix configuration when ordering, as tape-and-reel variants may exist. Confirm that the DO-35 package dimensions match your PCB footprint requirements. Ensure compliance with local import regulations regarding electronic components. Cross-reference the manufacturer datasheet for detailed thermal derating curves before finalizing the design.
Selection Notes
Select this component for applications requiring a robust axial leaded diode with moderate voltage blocking capabilities. The 400 mA current rating supports low-power signal handling tasks. Consider the DO-35 package size constraints during layout planning. Evaluate thermal management needs based on the expected forward current load in the target circuit environment.
Part Context
This device belongs to the standard silicon switching diode family produced by Microchip Technology. It serves as a reliable alternative for legacy designs requiring axial leaded components. The product line emphasizes durability and consistent electrical performance across varying operating conditions.
Replacement Considerations
The 1N645 is the base part number. Verify compatibility with generic equivalents such as 1N914 if lower voltage ratings are acceptable. Check pinout orientation and package tolerance differences when substituting with other manufacturers' offerings.
