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Product Detailed Parameters
- Description：DIODE SCHOTTKY 30V 1A DO41
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- 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 TR TIN/LEAD is a Schottky barrier rectifier designed for low voltage, high frequency applications. It features a maximum average forward rectified current of 1 A and a repetitive peak reverse voltage range of 20 to 40 V. The device utilizes a DO-204AL (DO-41) axial through-hole package with tin/lead terminals. Key electrical characteristics include a low forward voltage drop and high surge capability, making it suitable for polarity protection and free-wheeling circuits.
Feature Summary
- Schottky barrier construction ensures low switching noise and minimal forward voltage drop
- High surge current capability supports transient load conditions
- Molded plastic case meets UL 94V-0 flammability classification standards
Applications
- Low voltage high frequency inverters
- Free-wheeling diode circuits
- Polarity protection systems
Procurement Notes
Verify the specific voltage rating variant required, as the 1N5818 designation covers a range from 20 V to 40 V. Confirm that the tin/lead terminal finish aligns with assembly requirements. Ensure the DO-41 axial package dimensions match the target PCB layout constraints before finalizing procurement.
Selection Notes
Select this component when low forward voltage drop and fast switching speeds are critical for efficiency. The through-hole DO-41 package provides robust mechanical stability for manual or wave soldering processes. Evaluate the specific reverse voltage requirement within the 20 V to 40 V range to ensure adequate safety margins for the operating environment.
Part Context
This part belongs to the standard 1N5817 through 1N5819 series of Schottky rectifiers manufactured by Central Semiconductor. These devices are widely recognized legacy components used in power supply designs requiring efficient rectification at moderate currents. The tin/lead suffix indicates the specific terminal plating composition for solderability.
Replacement Considerations
Direct equivalents include the Vishay 1N5818-E3/73 and generic 1N5818 parts from other manufacturers. Verify that substitute components maintain the same DO-41 package outline and meet the 1 A current and specified reverse voltage ratings.
