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Product Detailed Parameters
- Description：DIODE SCHOTTKY 30V 1A DO41
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Bulk
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：30 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：550 mV @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：1 mA @ 30 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：DO-41
- Operating Temperature - Junction：-65°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The Central Semiconductor Corp 1N5818 BK TIN/LEAD is a Schottky barrier rectifier diode designed for through-hole mounting in the DO-41 axial package. It features a maximum average forward rectified current of 1 A and a maximum repetitive peak reverse voltage of 30 V. The device utilizes metal-silicon junction technology to achieve low forward voltage drop, typically 500 mV at 1 A, ensuring high efficiency and reduced power loss. It supports a maximum junction temperature of 125 °C or 150 °C depending on the specific manufacturer datasheet, with a maximum non-repetitive surge current rating of 25 A.
Feature Summary
- Schottky barrier construction provides majority carrier conduction for fast switching characteristics.
- Low forward voltage drop minimizes power dissipation and enhances overall circuit efficiency.
- Guard ring design incorporated for enhanced overvoltage protection capabilities.
- High surge current capability suitable for demanding transient conditions.
Applications
- Free-wheeling applications in inductive load circuits
- Polarity protection in DC power supply inputs
- Low voltage and high frequency inverters
Procurement Notes
Verify the specific manufacturer source, as STMicroelectronics and Central Semiconductor both produce this part number. Confirm RoHS compliance status, as some variants are leaded while others are compliant. Ensure the DO-41 package dimensions match your PCB footprint requirements before ordering.
Selection Notes
Select this component for applications requiring efficient rectification at low voltages. The 30 V reverse voltage rating limits suitability for higher voltage AC mains rectification. Consider thermal management for continuous 1 A operation to maintain junction temperatures within specified limits.
Part Context
This diode belongs to the standard 1N58xx series of Schottky rectifiers. It serves as a direct replacement for generic 1N5818 specifications across various industrial electronics. The DO-41 package offers robust mechanical stability for automated through-hole assembly processes.
Replacement Considerations
Equivalent parts include 1N5817 (20 V) and 1N5819 (40 V). Verify that substitute components maintain the same DO-41 axial package and 1 A current rating to ensure compatibility with existing board layouts.
