Z0103DN 5AA4

Overview

The Z0103DN 5AA4 is a bidirectional triac manufactured by STMicroelectronics, designed for surface-mount applications in the SOT-223 package. It features a rated RMS on-state current of 1 A and a non-repetitive peak on-state current of 8.5 A. The device supports a rated repetitive off-state voltage (VDRM) of 600 V with a maximum off-state leakage current of 5 uA at VDRM. Key electrical parameters include an on-state voltage of 1.56 V, a maximum holding current of 10 mA, a gate trigger voltage of 1.3 V, and a gate trigger current of 25 mA. It operates within a temperature range of -40°C to +125°C.

Feature Summary

• Surface-mount construction in a compact SOT-223 package for automated assembly
• Bidirectional switching capability for AC load control applications
• High thermal stability supporting operation up to 125°C junction temperature

Applications

• Lighting dimmers and intensity control circuits
• Solid-state relay modules for AC switching
• General-purpose AC motor speed control

Procurement Notes

Verify the specific suffix '5AA4' against the manufacturer's official datasheet to confirm pinout configuration and packaging details. Ensure the selected component matches the required 600 V rating and 25 mA gate trigger current for the target circuit design before finalizing procurement orders.

Selection Notes

Select this component when a 1 A RMS current rating and 600 V blocking voltage are sufficient for the application. Consider the 25 mA gate trigger current requirement for driver compatibility. The SOT-223 package is suitable for high-volume surface-mount production where space constraints exist but higher power dissipation than smaller packages is manageable.

Part Context

This part belongs to the Z01 series of triacs from STMicroelectronics, which are widely used in consumer electronics and industrial controls. The Z01 series offers various voltage ratings and gate sensitivities, with the Z0103DN specifically providing a balanced solution for moderate power AC switching tasks requiring reliable performance in standard operating environments.

Replacement Considerations

Direct replacements must match the 1 A RMS current, 600 V voltage rating, and SOT-223 package. Verify gate trigger current specifications, as variations between 10 mA and 25 mA may require driver circuit adjustments. Cross-reference with other manufacturers' 1 A/600 V SOT-223 triacs for pin-compatible alternatives.