BT139X-600,127

Triacs Overview

The BT139X-600,127 is a planar passivated four-quadrant triac manufactured by WeEn Semiconductors. It operates in a TO-220F (SOT186A) package with a rated repetitive peak off-state voltage of 600 V and an RMS on-state current of 16 A. The device supports a non-repetitive surge current of 155 A and features a maximum gate trigger current of 70 mA in quadrant 4. It exhibits a low on-state voltage of 1.2 V and a maximum holding current of 45 mA. Designed for industrial applications, it withstands a dV/dt of 200 V/µs and functions at junction temperatures up to +125 °C.

Triacs Feature Summary

• Planar passivated four-quadrant design ensures reliable triggering across all gate polarities.
• High bidirectional transient and blocking voltage capability suitable for demanding environments.
• Robust thermal cycling performance provided by the SOT186A full pack plastic package.

Triacs Applications

• Motor control systems
• Industrial and domestic lighting
• Heating control circuits
• Static switching applications

Triacs Procurement Notes

Verify the complete orderable part number, including the suffix, against official manufacturer documentation to ensure correct packaging and qualification status. Confirm RoHS compliance and lead-free plating specifications prior to procurement. Cross-reference the 12NC code to validate the specific variant being sourced from authorized channels.

Triacs Selection Notes

Select this component for applications requiring high bidirectional transient voltage handling and robust thermal stability. Ensure the circuit design accommodates the specified 600 V blocking voltage and 16 A RMS current limits. Verify that the gate drive circuit can supply the required trigger current, particularly in quadrant 4 operation where the maximum requirement is 70 mA.

Triacs Part Context

This device belongs to the BT139X series of four-quadrant triacs from WeEn Semiconductors. It utilizes the SOT186A (TO-220F) plastic package, which is designed for through-hole mounting. The series is characterized by its planar passivation technology, offering improved reliability compared to standard thyristor structures in industrial power control scenarios.

Triacs Replacement Considerations

Direct substitutes within the same family include the BT139X-600G,127 and BT139X-600F,127. These variants share the same package and general electrical ratings but differ in gate trigger current specifications across quadrants. Verify compatibility with existing gate drive circuits before substitution.

Triacs FAQ

What is the maximum gate trigger current for the BT139X-600,127?

The maximum gate trigger current varies by quadrant: 35 mA for quadrants Q1, Q2, and Q3, and 70 mA for quadrant Q4.

What is the package type for this component?

The BT139X-600,127 is housed in a TO-220F (SOT186A) plastic package, also referred to as a 'full pack' configuration.

Is the BT139X-600,127 a four-quadrant device?

Yes, it is a planar passivated four-quadrant triac, meaning it can be triggered by both positive and negative gate currents relative to the main terminal 1.