BT138B-600G,118

Triacs Overview

The BT138B-600G,118 is a planar passivated four-quadrant triac manufactured by WeEn Semiconductors. It is housed in a SOT404 (D2PAK) surface-mountable plastic package designed for high bidirectional transient and blocking voltage capability alongside robust thermal cycling performance. Key electrical parameters include an RMS on-state current of 12 A, a non-repetitive peak on-state current of 105 A, and a rated repetitive peak off-state voltage of 600 V. The device features a maximum holding current of 30 mA, a gate trigger voltage of 700 mV, and a gate trigger current of 22 mA. It operates at a maximum junction temperature of +125 °C with an on-state voltage of 1.4 V.

Triacs Feature Summary

• Planar passivated construction ensures voltage ruggedness and long-term reliability under harsh conditions.
• Less sensitive gate design provides improved immunity to noise interference during operation.
• Surface-mountable D2PAK package facilitates automated assembly and efficient thermal dissipation.

Triacs Applications

• General purpose motor controls
• Industrial and domestic lighting systems
• Heating control circuits
• Static switching applications

Triacs Procurement Notes

Verify the specific suffix 'G' against official manufacturer documentation to confirm pinout compatibility and regulatory compliance status. Ensure the ordering code matches the exact tape and reel specifications required for your surface-mount assembly line. Cross-reference the datasheet revision date to validate parameter consistency before finalizing procurement orders.

Triacs Selection Notes

Select this component when a surface-mount solution is required for high-voltage AC switching tasks. The 600 V rating suits standard mains voltage applications, while the 12 A RMS current capacity supports moderate power loads. Consider the D2PAK package for its superior heat dissipation compared to smaller packages, ensuring stable operation within the specified 125 °C temperature limit.

Triacs Part Context

This part belongs to the BT138 series of four-quadrant triacs from WeEn Semiconductors. The series is characterized by planar passivation technology, offering enhanced reliability over older technologies. The BT138B variant specifically denotes the 600 V blocking voltage class within this family, distinguishing it from higher or lower voltage counterparts.

Triacs Replacement Considerations

Direct replacements include the BT138B-600,118 and BT138B-600E. Verify that substitute parts maintain identical pin configurations and thermal characteristics to ensure seamless integration without circuit redesign.

Triacs FAQ

What is the maximum gate trigger current for the BT138B-600G,118?

The maximum gate trigger current is 22 mA.

Does the BT138B-600G,118 support triggering in all four quadrants?

Yes, the device is a four-quadrant triac capable of triggering in all four operating modes.

What is the maximum operating junction temperature?

The maximum operating junction temperature is +125 °C.