BAT54CWH RFG

Overview

The BAT54CWH RFG is a dual Schottky barrier diode manufactured by Taiwan Semiconductor Corporation, housed in an SOT-323 surface-mount package. It features a common cathode configuration with two independent silicon junctions within a single component. The device supports a maximum repetitive peak reverse voltage of 30 V and an average forward rectified current of 200 mA. Key electrical characteristics include a low forward voltage drop and minimal reverse leakage current, ensuring efficient operation. The unit operates reliably across a wide temperature range from -55 °C to +150 °C junction temperature.

Feature Summary

• Dual Schottky barrier diodes integrated into a compact SOT-323 surface-mount package for space-constrained designs.
• Common cathode configuration providing two independent switching paths within a single three-terminal component.
• Ultra-low forward voltage drop characteristic designed to minimize power dissipation and enhance energy efficiency.
• Guard ring protection structure implemented to ensure robustness against transient events and electrostatic discharge.

Applications

• High-speed signal switching and logic level translation in portable electronic devices.
• Voltage clamping and protection circuits for sensitive input/output ports.
• Blocking diodes in low-voltage DC power supply and battery management systems.
• RF mixing and detection applications requiring fast recovery times and low capacitance.

Procurement Notes

Verify the specific suffix 'RFG' corresponds to the required tape-and-reel packaging format during procurement. Confirm that the SOT-323 footprint matches the target PCB design constraints. Ensure compliance with RoHS directives if environmental regulations apply to the final assembly. Cross-reference the manufacturer's latest datasheet for any updates on marking codes or pinout definitions prior to production integration.

Selection Notes

Select this component when a dual Schottky diode is required in a small outline package with a common cathode topology. The BAT54CWH variant offers a balance of low forward voltage and high switching speed suitable for general-purpose applications. Consider the thermal performance and maximum junction temperature limits when designing for high ambient environments. Compare alternative packages like SOT-23 if higher current handling or different mechanical constraints are necessary.

Part Context

This component belongs to the BAT54 series of Schottky barrier diodes produced by Taiwan Semiconductor. The series includes various configurations such as common anode and single diodes, all sharing similar electrical profiles. The BAT54CWH specifically denotes the common cathode version in the SOT-323 package. This family is widely used in consumer electronics due to its small form factor and reliable switching performance.

Replacement Considerations

Compatible substitutes include BAT54C, BAT54S, and BAT54A from other manufacturers, provided they match the SOT-323 package and common cathode configuration. Verify that replacement parts meet the same 30 V reverse voltage and 200 mA current ratings. Ensure the alternative components offer comparable forward voltage and reverse leakage specifications to maintain circuit performance integrity.