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Product Detailed Parameters
- Description：DIODE SCHOTTKY 20V 1A DO41
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：20 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：450 mV @ 1 A
- Speed：No Recovery Time > 500mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：1 mA @ 20 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：DO-41
- Operating Temperature - Junction：-55°C ~ 150°C
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Overview
The Microchip Technology 1N5817/TR is a silicon Schottky barrier rectifier housed in the DO-41 axial through-hole package. It features a maximum repetitive peak reverse voltage of 20 V and an average forward rectified current rating of 1 A. The device exhibits a low forward voltage drop, typically 1 V at rated current, with a maximum reverse leakage current of 1 mA at 20 V. It supports a forward surge current of 50 A and operates within a junction temperature range of -65°C to 150°C.
Feature Summary
- Schottky barrier construction for high efficiency
- Low forward voltage drop reduces power loss
- Negligible switching losses for high frequency operation
- Avalanche capability specified
Applications
- Switch Mode Power Supplies (SMPS)
- High frequency DC to DC converters
- Low voltage high frequency inverters
- Free wheeling diodes
- Polarity protection circuits
Procurement Notes
Verify the specific suffix '/TR' against the official Microchip datasheet to confirm tape-and-reel packaging status, as standard 1N5817 units may be bulk packed. Confirm RoHS compliance and lead-free finish requirements directly from the manufacturer's ordering information. Ensure the component matches the DO-41 package dimensions and electrical specifications defined in the public datasheet before integration.
Selection Notes
Select this component for applications requiring low forward voltage and fast switching speeds in low voltage environments. The 20 V reverse voltage rating limits suitability to low-voltage DC systems. Verify that the 1 A average current and 50 A surge current ratings exceed the circuit's operational peaks. Consider thermal management for the DO-41 package under continuous load conditions.
Part Context
The 1N5817 is a legacy part number widely recognized in the electronics industry for general-purpose rectification. Microchip Technology produces variants of this device, maintaining compatibility with established designs. The component belongs to the family of axial leaded Schottky rectifiers, offering a balance between performance and ease of manual or automated through-hole assembly.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Cross-reference with other manufacturers such as Taiwan Semiconductor or ON Semiconductor only if their datasheets explicitly list equivalent electrical parameters and pinout compatibility.
