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Product Detailed Parameters
- Description：DIODE SCHOTTKY 20V 1A DO41
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：20 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：450 mV @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：1 mA @ 20 V
- Capacitance @ Vr, F：110pF @ 4V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：DO-41
- Operating Temperature - Junction：-65°C ~ 125°C
- Grade：-
- Qualification：-
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Overview
The Diodes Incorporated 1N5817-T is a 1.0A Schottky Barrier Rectifier housed in the DO-41 plastic package. It features a peak repetitive reverse voltage of 20V and an average rectified output current of 1.0A at 90°C lead temperature. The device exhibits a low forward voltage drop, with maximum values of 0.450V at 1.0A and 0.750V at 3.0A. It supports a non-repetitive peak forward surge current of 25A and operates within a junction temperature range of -65°C to +125°C.
Feature Summary
- Guard ring die construction for transient protection
- Low power loss and high efficiency design
- High surge capability and low-forward voltage drop
Applications
- Low-voltage, high-frequency inverters
- Free wheeling applications
- Polarity protection circuits
Procurement Notes
Verify that the ordering suffix '-T' corresponds to the 5K quantity tape and reel carrier configuration as specified in the manufacturer's documentation. Confirm compliance with RoHS directives and ensure the component meets the required flammability classification rating for the intended assembly process.
Selection Notes
Select this component when a 20V blocking voltage and 1.0A continuous current are required in a through-hole axial package. Consider its thermal resistance characteristics and operating temperature limits to ensure suitability for the specific ambient conditions and heat dissipation capabilities of the target circuit board layout.
Part Context
This part belongs to the 1N5817-1N5819 series of Schottky barrier rectifiers from Diodes Incorporated. While sharing identical current ratings and physical dimensions, the series differentiates components based on their peak repetitive reverse voltage ratings, allowing designers to choose the appropriate voltage tolerance for their specific power supply or rectification requirements.
Replacement Considerations
Cross-reference with Vishay 1N5817 or Taiwan Semiconductor 1N5817 for equivalent specifications. Verify that substitute parts maintain the same DO-41 package outline and electrical parameters before implementation.
FAQ
What is the typical total capacitance of the 1N5817-T?
The typical total capacitance is 110 pF, measured at 1.0MHz and an applied reverse voltage of 4.0V DC.
How is polarity indicated on the component?
Polarity is identified by a cathode band marking on the molded plastic body.
