BT131

$0.09

Description：TRIAC SENS GATE 600V 1A TO92-3
Series：-

SKU:fe3a84867502 Category: TRIACs Brand: EVVO

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Product introduction

Product Detailed Parameters

Description：TRIAC SENS GATE 600V 1A TO92-3
Series：-
Mfr：EVVO
Package：Bulk
Triac Type：Logic - Sensitive Gate
Voltage - Off State：600 V
Current - On State (It (RMS)) (Max)：1:00 AM
Voltage - Gate Trigger (Vgt) (Max)：1.5 V
Current - Non Rep. Surge 50, 60Hz (Itsm)：-
Current - Gate Trigger (Igt) (Max)：5 mA
Current - Hold (Ih) (Max)：5 mA
Configuration：Single
Operating Temperature：125°C (TJ)
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Grade：-
Qualification：-

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BT131

Overview

The BT131 is a general-purpose triac designed for bi-directional switching and phase control applications. It features direct interfacing capability with logic level ICs, low power gate drive circuits, and microcontrollers. The device offers high blocking voltage capability of 600 V and supports an RMS on-state current of 1 A. Key electrical parameters include a peak repetitive forward or reverse blocking current of 5.0 mA, a gate trigger current ranging from 5.0 to 10 mA depending on the quadrant, and a gate trigger voltage of 1.5 V. The component operates within a junction temperature range up to +125 °C and is available in TO-92, SOT-223, SOT-89, and SOT-23 packages.

Feature Summary

Direct interfacing to logic level ICs and microcontrollers
Triggering in all four quadrants
Planar passivated construction for voltage ruggedness

Applications

General purpose bi-directional switching
Phase control applications
Air conditioner indoor fan control
General purpose motor control

Procurement Notes

Verify the specific package variant (TO-92, SOT-223, SOT-89, or SOT-23) required for the design, as pin assignments differ between configurations. Confirm that the selected component meets the thermal management requirements for the intended operating junction temperature of +125 °C. Ensure the gate drive circuitry aligns with the specified peak gate power and current limits to prevent device damage during operation.

Selection Notes

Select the BT131 when a general-purpose triac with sensitive gate triggering is required for low-power control scenarios. The device is suitable for applications requiring direct interface with microcontrollers due to its low gate trigger voltage and current specifications. Consider the available package options based on board space constraints and thermal dissipation needs, ensuring the chosen footprint matches the PCB layout design.

Part Context

The BT131 belongs to the family of general-purpose silicon controlled rectifiers (SCRs) and triacs used in AC power control. It is engineered for reliability in consumer electronics and industrial control systems where compact size and simple drive requirements are prioritized. The planar passivation technology ensures consistent performance across varying environmental conditions, making it a standard choice for basic switching tasks.

Replacement Considerations

Substitute parts must match the 600 V blocking voltage and 1 A RMS current ratings. Verify compatibility with existing PCB footprints if using different package types such as SOT-23 or TO-92. Ensure the replacement device supports four-quadrant triggering and has similar gate sensitivity characteristics to maintain original circuit functionality without redesign.