Q4016LH3

Triacs Overview

The Littelfuse Q4016LH3 is a bidirectional triac rated for 400V repetitive peak off-state voltage and 16A RMS on-state current. It belongs to the Alternistor Triacs series, designed for high-power AC switching applications. The device features a TO-263-3 surface mount package, facilitating automated assembly in industrial environments. Key electrical characteristics include a holding current of 50mA maximum and a gate trigger current of 35mA typical. The component operates within a temperature range from -40°C to +125°C, ensuring reliability under varying thermal conditions.

Triacs Feature Summary

• High current handling capability with 16A RMS rating for robust power control
• Surface mount TO-263-3 package design for efficient PCB integration
• Wide operating temperature range supporting demanding industrial environments

Triacs Applications

• Industrial motor speed control systems
• Solid state relay implementations
• AC power switching circuits

Triacs Procurement Notes

Verify component authenticity through authorized Littelfuse distributors or certified supply chain partners. Confirm RoHS compliance status via official documentation prior to procurement. Ensure storage conditions maintain integrity against moisture and static discharge. Validate that the specific part number matches project requirements exactly, as lifecycle status may affect long-term availability.

Triacs Selection Notes

Select this component when surface mount technology is required for high-current AC switching applications. Consider the 400V voltage rating and 16A current capacity against load specifications. Evaluate thermal management needs given the TO-263-3 package constraints. Verify compatibility with existing PCB layout designs and assembly processes before finalizing the selection.

Triacs Part Context

The Q4016LH3 is part of Littelfuse's Alternistor Triac family, engineered for reliable performance in power electronics. This series emphasizes durability and consistent switching characteristics across various industrial applications. The component represents a solution for modern AC control systems requiring compact form factors and high electrical ratings.

Triacs Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Littelfuse technical support for equivalent alternatives if this obsolete part is no longer sourced.