SI5509DC-T1-E3

Overview

The SI5509DC-T1-E3 is a dual MOSFET array manufactured by Vishay Siliconix, integrating N-channel and P-channel transistors in a single surface-mount package. It features a 20V drain-source voltage rating and supports continuous currents of 6.1A for the N-channel and 4.8A for the P-channel device. The component utilizes TrenchFET technology to achieve low on-resistance and is housed in a 1206-8 ChipFET package. Designed for logic-level gate drive applications, it offers efficient power switching capabilities within a compact form factor suitable for space-constrained electronic designs.

Feature Summary

• Integrates complementary N-channel and P-channel MOSFETs into a single dual-array configuration
• Utilizes TrenchFET technology for optimized performance and low on-resistance characteristics
• Supports logic-level gate drive requirements for efficient control interface compatibility

Applications

• Discrete semiconductor power switching circuits
• Low-voltage DC-DC converter topologies
• Battery protection and management systems

Procurement Notes

Verify component authenticity through authorized distribution channels to ensure compliance with Vishay specifications. Confirm that the received units match the exact part number designation, including suffixes, as variations may exist. Review the official datasheet for handling precautions and storage conditions. Ensure that all regulatory compliance markings, such as RoHS status, are consistent with project requirements before integration into manufacturing processes.

Selection Notes

Select this component when a compact dual MOSFET solution is required for low-voltage applications. The integrated N/P-channel design reduces board space compared to discrete alternatives. Consider the 20V rating and current capabilities relative to the specific load requirements. Evaluate the thermal performance within the 1206-8 package against the expected power dissipation levels in the target application environment.

Part Context

This component belongs to the Vishay Siliconix ChipFET series, which focuses on high-density power switching solutions. The SI5509DC variant specifically addresses the need for paired N and P-channel devices in synchronous rectification or half-bridge configurations. It represents a specialized discrete semiconductor product designed to simplify circuit layout while maintaining robust electrical performance standards typical of the manufacturer's portfolio.

Replacement Considerations

Public confirmed substitute part numbers include SI5509DC-T1-GE3 and SI5513CDC-T1-GE3. Verify pinout compatibility and electrical parameter alignment before substitution.