Features

•

High current Triac

•

Low thermal resistance

•

BTA40 and BTA41 UL1557 recognized components (file ref: 81734)

•

RoHS (2002/95/EC) compliant packages

•

UL-94, V0 flammability package resin compliance

Application

•

On/off function in static relays, heating regulation, induction motor starting

circuits

•

Phase control operations in light dimmers and motor speed controllers

Description

Available in power packages, the BTA40, BTA41, and BTB41 are suitable for general

purpose AC switching.

When used with the properly dimensioned heatsink, the BTA40, BTA41 and BTB41

can enable AC switching systems up to 9 kW. Refer to STMicroelectronics

application note AN533 for thermal management of Triacs.

The BTA40, and BTA41 provides an insulated tab (rated at 2500 V rms). They are

recognized by UL. Representative samples of these components have been

evaluated by UL and meet applicable UL requirements for the UL 1557 standard (file

Ref. 81734).

A2

A1

G

A1

G

A2

A2

TOP3 Isolated

TOP3

A1

G

A2

RD91

G

A1

A2

Product status link

BTA40

RD91 package

BTA41

TOP3 isolated

package

BTB41

TOP3 package

Product summary

IT(RMS)

40 A

VDRM/VRRM

600 V to 800 V

IGT

50 mA

800 V and 600 V, 40 A standard Triacs in TOP3 and RD91 package

BTA40, BTA41, BTB41

Datasheet

DS2111 - Rev 13 - July 2023

For further information contact your local STMicroelectronics sales office.

www.st.com