L201E3

Triacs Overview

The L201E3 is a logic-level TRIAC from the Littelfuse Teccor series, rated for 200V blocking voltage and 1A RMS current. It features a sensitive gate structure with a typical gate trigger current of 3mA, enabling direct interfacing with microprocessors or standard logic circuits without additional driver components. The device utilizes a TO-226AA (TO-92) three-pin through-hole package, providing compact integration for low-power AC switching applications. This component is designed for phase control and solid-state switching in consumer electronics.

Triacs Feature Summary

• Logic-level sensitivity allows direct drive from microprocessors or standard logic gates
• Isolated gate structure provides enhanced noise immunity and reliability
• Designed for low-power AC switching and phase control applications

Triacs Applications

• Low current heating control systems
• Water valve and solenoid actuation
• AC solid-state switches for home appliances
• Motor speed control circuits

Triacs Procurement Notes

Verify the specific ordering suffix to confirm pin configuration and packaging type, as variations may exist within the product line. Confirm that the 200V rating aligns with the peak inverse voltage requirements of the target AC circuit. Ensure the thermal management strategy accounts for the TO-226AA package limitations during continuous operation. Check for obsolete status indicators if long-term supply continuity is required for production.

Triacs Selection Notes

Select this component when direct logic interface is required to minimize external driver complexity. The 3mA gate sensitivity is suitable for low-power microcontroller outputs. Consider the 200V voltage rating for low-voltage AC mains applications. Evaluate the 1A current limit against the load requirements to prevent overcurrent failure. The through-hole package is appropriate for prototyping or high-reliability manual assembly processes.

Triacs Part Context

The L201E3 belongs to the Teccor Logic TRIAC family, characterized by isolated gate structures and low gate current requirements. This series is engineered for replacing electromechanical relays in low-power AC control scenarios. The component integrates silicon bilateral switching technology optimized for consumer electronics and small appliance control boards where space and power efficiency are critical design constraints.

Triacs Replacement Considerations

Direct substitutes must match the 200V/1A rating and 3mA logic gate sensitivity. Verify equivalent isolation characteristics and TO-226AA package compatibility. Cross-reference with other manufacturers' logic TRIACs ensuring identical pinout and electrical parameters for drop-in replacement.