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Product Detailed Parameters
- Description：DIODE SCHOTTKY 20V 1A DO41
- Series：-
- Mfr：Diodes Incorporated
- Package：Bulk
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：20 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：750 mV @ 3 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 1N5817A-01 is a single Schottky rectifier diode designed for through-hole mounting in the DO-41 axial package. It features a maximum DC reverse voltage of 20 V and an average forward current rating of 1 A. The device exhibits a maximum forward voltage drop of 750 mV at 1 A and a low reverse leakage current of 1 mA. It supports a maximum forward surge current of 25 A and operates within a junction temperature range of -65 °C to 125 °C.
Feature Summary
- Utilizes Schottky barrier technology for high switching efficiency
- Provides low forward voltage drop to minimize power loss
- Features fast recovery characteristics suitable for high-frequency applications
Applications
- Power supply rectification circuits
- Free-wheeling diodes in inductive load protection
- Buck converter synchronous rectification stages
Procurement Notes
Verify the specific manufacturer designation, as the 1N5817A-01 part number is historically associated with Pericom Semiconductor prior to its acquisition by Diodes Incorporated. Confirm that the supplied component matches the required electrical specifications and package dimensions from the official datasheet. Ensure compliance with RoHS standards if applicable to the target assembly requirements.
Selection Notes
Select this component when a low-cost, general-purpose Schottky rectifier is required for 20 V applications. The DO-41 package offers robust mechanical stability for through-hole PCB layouts. Consider the thermal resistance and ambient operating conditions to ensure the junction temperature remains within the specified 125 °C limit during continuous operation.
Part Context
This component belongs to the standard 1N58xx series of Schottky rectifiers, widely used in consumer electronics and industrial power supplies. The DO-41 axial leaded package is a legacy form factor still prevalent in prototyping and repair scenarios. The 'A' suffix typically denotes specific binning or manufacturing lot variations rather than functional changes.
Replacement Considerations
Direct substitutes include the 1N5817 from other manufacturers such as Microchip Technology or Taiwan Semiconductor. Verify pinout compatibility and thermal performance when replacing components from different production eras or acquired entities.
