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Product Detailed Parameters
- Description：DIODE SCHOTTKY 80V 3A B SQ-MELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：80 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：700 mV @ 3 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：150 µA @ 80 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, B
- Supplier Device Package：B, SQ-MELF
- Operating Temperature - Junction：-65°C ~ 125°C
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Overview
The Microchip Technology 1N6864US/TR is a small-signal Schottky rectifier designed for surface-mount applications. It features an 80 V repetitive reverse voltage rating and supports a 3 A average forward current. The device utilizes silicon technology in a D-5B-2 SQ-MELF package. Key electrical characteristics include a maximum forward voltage of 700 mV at rated current and a low reverse leakage current of 150 uA. It withstands an 80 A forward surge current and operates within a junction temperature range of -65 C to +125 C.
Feature Summary
- Schottky barrier construction for high switching efficiency
- Low forward voltage drop reduces power dissipation
- Minimal reverse leakage current enhances circuit reliability
- Surface-mount SQ-MELF package enables automated assembly
Applications
- High-frequency rectification in DC-DC converters
- Power supply input protection circuits
- Free-wheeling diodes in inductive load switching
- Clamping diodes in logic interface protection
Procurement Notes
Verify the specific suffix designation against official Microchip documentation to confirm tape-and-reel packaging configuration, as standard part numbers may denote bulk packaging. Confirm RoHS compliance status directly with the manufacturer, as historical data indicates potential non-compliance for certain variants in this series. Ensure the ordering code matches the required surface-mount reel quantity specifications.
Selection Notes
Select this component when low forward voltage drop and fast switching speeds are critical for system efficiency. The 80 V rating suits low-voltage DC bus applications requiring robust surge handling. Verify that the D-5B-2 package dimensions align with the target PCB footprint. Consider thermal management requirements given the 3 A continuous current capability and operating temperature limits.
Part Context
This device belongs to Microchip's line of small-signal Schottky rectifiers utilizing silicon planar technology. The SQ-MELF form factor provides a compact solution for modern surface-mount assembly processes. It serves as a semiconductor alternative to traditional p-n junction rectifiers where speed and efficiency are prioritized over high reverse voltage blocking capabilities.
Replacement Considerations
Cross-reference with other Microchip 1N68xx series variants for different voltage ratings. Verify pinout compatibility with existing designs before substituting. Check equivalent offerings from other manufacturers ensuring identical SQ-MELF package constraints and matching electrical parameters.
