BAT54CD-G

Overview

The BAT54CD-G is a dual common cathode Schottky barrier diode manufactured by Taiwan Semiconductor Corporation. It features a compact SOT-323 surface-mount package designed for high-speed switching applications, circuit protection, and voltage clamping. The device utilizes silicon technology to achieve low forward voltage drop and minimal reverse leakage current. Key electrical characteristics include a maximum repetitive peak reverse voltage of 30V and a continuous forward current rating of 200mA. The component operates within a junction temperature range of -55°C to +150°C.

Feature Summary

• Dual common cathode configuration for board space savings
• Extremely fast switching speed suitable for high-frequency applications
• Low forward voltage reduces conduction losses
• RoHS compliant and halogen-free construction

Applications

• High-speed switching circuits
• Voltage clamping and polarity protection
• Power management systems in portable devices

Procurement Notes

Verify the specific suffix against official Taiwan Semiconductor documentation to confirm package type and compliance status. Ensure the ordering part number matches the required automotive or industrial qualification standards if applicable. Cross-reference datasheet revisions to confirm pinout compatibility with existing designs before procurement.

Selection Notes

Select this component for applications requiring small footprint and fast recovery times. Compare forward voltage specifications at operating currents against alternative Schottky diodes to ensure efficiency targets are met. Verify thermal resistance values for the intended PCB layout to maintain junction temperatures within safe operating limits during continuous operation.

Part Context

This component belongs to the BAT54 series of Schottky barrier diodes, widely used in consumer electronics and telecommunications. It serves as a standard solution for signal rectification and protection in low-voltage environments. The series offers various configurations including single, dual, and quad arrays in different surface-mount packages.

Replacement Considerations

Compatible substitutes include BAT54S, BAT54A, and BAT54C from other manufacturers provided they share the SOT-323 package and identical electrical ratings. Verify pinout alignment and thermal performance before substitution.