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The Diodes Incorporated 1N5408-B is a single-phase, half-wave silicon rectifier diode designed for general-purpose applications. It features a DO-201AD axial leaded package with a molded plastic body rated UL 94V-0. The device supports an average rectified output current of 3.0 A at 105°C and withstands a peak repetitive reverse voltage of 1000 V. It offers a forward voltage drop of 1.0 V at full load and handles non-repetitive surge currents up to 200 A. Operating temperatures range from -65°C to +150°C.
Verify the specific ordering suffix '-B' corresponds to bulk packaging containing 500 units per reel when sourcing this component. Confirm that the manufacturer's datasheet revision matches the required specifications, as older revisions may indicate different testing conditions or mechanical tolerances. Ensure compliance with the stated moisture sensitivity level and terminal solderability standards during assembly.
Select this component for standard rectification tasks requiring 1000 V blocking voltage and 3 A continuous current capacity. Note that the datasheet explicitly marks this series as not recommended for new designs, suggesting consideration of alternative modern solutions like the S3A-S3M series for future projects. Evaluate thermal resistance requirements against ambient temperature derating curves.
This part belongs to the 1N5400 through 1N5408 family of 3.0 A rectifiers manufactured by Diodes Incorporated. The 'B' suffix specifically denotes bulk packaging rather than tape and reel options. The product line utilizes diffused junction technology within a DO-201AD case to deliver reliable performance across a wide temperature range for industrial and commercial electronics.
The datasheet explicitly recommends using the S3A-S3M Series as replacements for new designs. Verify electrical compatibility regarding voltage ratings and current capabilities before substituting other generic 1N5408 equivalents from different manufacturers.