Z0109MNT1G

Overview

The Z0109MNT1G is a logic-level sensitive triac from the Littelfuse EV Series, designed for compact power control applications. It features an RMS on-state current (It RMS) of 1 A and a rated repetitive peak off-state voltage (VDRM) of 600 V. The device operates within a junction temperature range of -40°C to +125°C and utilizes a surface-mount SOT-23 package. Key electrical parameters include a maximum holding current (Ih) of 10 mA, a gate trigger voltage (Vgt) of 1.3 V, and a gate trigger current (Igt) of 10 mA. The on-state voltage is specified at 1.6 V, with a non-repetitive peak on-state current capability of 10 A or 12 A depending on pulse duration.

Feature Summary

• Logic-level triggering sensitivity allows direct interface with microcontrollers and low-power digital logic circuits without additional driver components.
• Surface-mount SOT-23 packaging facilitates automated assembly and enables high-density PCB layouts in space-constrained designs.
• Sensitive gate structure ensures reliable turn-on across all four quadrants of operation, enhancing compatibility with various AC load types.

Applications

• Solid-state relays requiring compact form factors
• Lighting control systems including dimmers and smart bulbs
• Small AC motor speed control in household appliances

Procurement Notes

Verify the specific suffix 'NT1G' against official Littelfuse documentation to confirm tape-and-reel packaging quantities and RoHS compliance status. Ensure the ordering part number matches the exact pinout and thermal characteristics required for your PCB footprint design before finalizing procurement.

Selection Notes

Select this component when a 1 A RMS current rating and 600 V blocking voltage are sufficient for the load. The SOT-23 package is suitable for applications where board space is limited compared to through-hole alternatives like TO-92. Confirm that the gate drive circuit can supply the required 10 mA trigger current reliably under all operating conditions.

Part Context

This device belongs to the Littelfuse EV Series of sensitive gate triacs, which are engineered for energy-efficient control of AC loads. The series emphasizes low gate power requirements and robust performance in consumer electronics and industrial control modules where miniaturization and reliability are critical design constraints.

Replacement Considerations

Cross-reference with other 1 A, 600 V logic-level triacs in SOT-23 packages such as the Z0109M series variants. Verify pin compatibility and thermal resistance values to ensure equivalent performance in existing designs without modifying the PCB layout.