BT131-800D/L01EP

Overview

The BT131-800D/L01EP is a four-quadrant Triac manufactured by WeEn Semiconductors, designed for general-purpose AC power control applications. This component features an 800V repetitive peak off-state voltage and a continuous on-state current rating of 4A. It operates within a junction temperature range of -40°C to +125°C and is housed in a TO-220AB insulated package. The device exhibits high dv/dt capability and robust surge current handling, ensuring reliable switching performance in resistive and inductive loads.

Feature Summary

• Four-quadrant gate triggering for simplified drive circuit design
• Insulated metal tab for direct mounting to heat sinks without additional insulators
• High commutation capability for reliable operation with inductive loads

Applications

• Solid state relays
• Motor speed controls
• Lighting dimmers

Procurement Notes

Verify the complete part number including suffixes such as L01EP against official manufacturer documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the requested quantity matches standard reel sizes or cut-tape options available from authorized distributors. Cross-reference the datasheet revision date to ensure compliance with current manufacturing standards.

Selection Notes

Select this component when an insulated TO-220 package is required for thermal management and electrical isolation. Ensure the load current does not exceed the 4A RMS rating under worst-case ambient conditions. Verify that the system's peak voltage remains below the 800V limit, accounting for transient spikes in inductive circuits.

Part Context

This Triac belongs to the BT131 series, which offers various voltage ratings and current capacities. The BT131-800D variant specifically provides 800V blocking capability, distinguishing it from lower-voltage counterparts like the BT131-600. The L01EP suffix typically denotes specific packaging and marking configurations defined by the manufacturer.

Replacement Considerations

Direct replacements include other 4A, 800V four-quadrant Triacs in TO-220 packages such as the BTA16-800B or equivalent parts from other manufacturers. Verify pinout compatibility and thermal resistance values before substitution. Ensure the replacement device meets the same insulation and safety certification requirements.