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Product Detailed Parameters
- Description：DIODE SCHOTTKY 20V 1A MELF
- Series：-
- Mfr：Diodes Incorporated
- 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：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：1 mA @ 20 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：DO-213AB, MELF (Glass)
- Supplier Device Package：MELF
- Operating Temperature - Junction：-60°C ~ 125°C
- Grade：-
- Qualification：-
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Overview
The Diodes Incorporated 1N5817M-13 is a 1.0A surface mount Schottky barrier rectifier housed in a MELF glass package. It features a peak repetitive reverse voltage of 20V and a maximum average forward rectified current of 1.0A at 90°C terminal temperature. The device exhibits a low forward voltage drop of 0.450V at 1.0A and supports a maximum forward surge current of 25A. Operating junction temperatures range from -60 to +125°C, with a typical thermal resistance of 130 K/W.
Feature Summary
- Schottky barrier chip construction for high efficiency
- Guard ring design provides transient protection capability
- Glass encapsulation ensures high reliability and solderability per MIL-STD-208
Applications
- Low voltage, high frequency inverters
- Free wheeling diode applications
- Polarity protection circuits
- Small battery chargers
Procurement Notes
Verify the specific ordering suffix matches the required packaging configuration. Confirm that the component meets all applicable environmental compliance standards relevant to the target market. Ensure the MELF package dimensions align with the intended PCB footprint and mounting requirements before finalizing procurement orders.
Selection Notes
Select this component when a surface mount Schottky rectifier is required for low voltage applications. The MELF glass package offers superior reliability compared to plastic alternatives. Consider the 20V reverse voltage rating and 1.0A current capacity against circuit demands. Evaluate thermal management needs based on the specified thermal resistance value.
Part Context
This part belongs to the 1N5817M/1N5818M/1N5819M series of 1.0A Surface Mount Schottky Barrier Rectifiers. The 'M' designation indicates the MELF glass package format, distinguishing it from through-hole axial variants. This series is designed specifically for surface mount technology (SMT) assembly processes.
Replacement Considerations
Direct replacements include other manufacturers' 1N5817 equivalents in MELF packages. Verify that substitute components maintain identical voltage ratings, current capabilities, and package dimensions to ensure mechanical and electrical compatibility.
