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BAT54S-7-F

BAT54S-7-F

Diodes Inc
Dual-series (common cathode) variant for applications needing two matched Schottky diodes in one package.
6,212 in stock
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Overview

The BAT54S-7-F is a dual-series Schottky diode configured with a common cathode in a single small-outline package. It provides two matched Schottky junctions for low-forward-voltage switching, steering, and clamp tasks in compact PCB designs. Typical uses include power-path steering, polarity protection, and small-signal level clamping where low Vf and fast switching are helpful.

Why Choose This Part

Packaging two matched Schottky diodes in one SMD package saves board area and simplifies layout compared with two discrete parts. Schottky junctions offer lower forward voltage and faster switching than standard silicon diodes, improving efficiency and reducing voltage drop in low-voltage systems. The common-cathode configuration is convenient for many steering, OR-ing, and clamp topologies.

Applications

Power-path OR-ing and diode steering
Use the paired diodes to create simple power-ORing or supply selection circuits for redundant or backup power inputs.
Reverse-polarity or input protection
Protect sensitive circuitry from accidental reverse connection on low-voltage rails with low forward-voltage drop.
Level shifting and signal steering
Steer small-signal paths or implement diode-OR logic in mixed-voltage interfaces where low Vf improves headroom.
Transient clamping for IOs
Provide fast clamp action on I/O lines to limit voltage excursions and protect downstream devices.
Compact power or signal rectification
Perform low-current rectification or switching in constrained PCB area where a matched dual pair simplifies layout.

Getting Started

No development board or IDE is required for a discrete diode; start by reviewing the manufacturer datasheet for pinout, maximum ratings, and recommended footprint land pattern. For prototyping, place the part on a breakout or small PCB footprint, and test with a bench power supply (current-limited), multimeter, and oscilloscope to observe forward drop and switching behavior. Pay attention to thermal limits and derating in your layout for repeated or elevated-current use.

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