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BT138 Datasheet, PDF

Search Partnumber : Match&Start with "BT138" - Total : 179 ( 1/9 Page)

Manufacturer	Part #	Datasheet	Description
NXP Semiconductors	BT138	48Kb/6P	Triacs September 1997 Rev 1.200
	BT138	47Kb/6P	Triacs sensitive gate September 1997 Rev 1.200
	BT138	89Kb/12P	12 A four-quadrant triacs, sensitive gate Rev. 02-12 March 2008
Unisonic Technologies	BT138	182Kb/5P	TRIACS LOGIC LEVEL
Comset Semiconductor	BT138	171Kb/3P	TRIACS
Inchange Semiconductor ...	BT138	225Kb/1P	isc Triacs
Foshan Blue Rocket Elec...	BT138	954Kb/6P	Triac in a TO-220 Plastic Package
Advanced (Shenzhen) Ele...	BT138	265Kb/6P	4Quadrants Triacs Feb,2013 -Rev.3.03
Shenzhen Luguang Electr...	BT138	1Mb/7P	12A Ⅲ&ⅣSERIES TRIACS Revision:20170615-P1
NXP Semiconductors	BT138-500	48Kb/6P	Triacs September 1997 Rev 1.200
Comset Semiconductor	BT138-500	171Kb/3P	TRIACS
NXP Semiconductors	BT138-500E	47Kb/6P	Triacs sensitive gate September 1997 Rev 1.200
NXP Semiconductors	BT138-500E	50Kb/6P	Triacs sensitive gate September 1997 Rev 1.200
Kersemi Electronic Co.,...	BT138-500E	837Kb/5P	Glass passivated triacs in a plastic
NXP Semiconductors	BT138-500F	48Kb/6P	Triacs September 1997 Rev 1.200
NXP Semiconductors	BT138-500G	48Kb/6P	Triacs September 1997 Rev 1.200
Teccor Electronics	BT138-500G	2Mb/223P	Thyristor Product Catalog
NXP Semiconductors	BT138-600	48Kb/6P	Triacs September 1997 Rev 1.200
SemiWell Semiconductor	BT138-600	607Kb/5P	Bi-Directional Triode Thyristor
Inchange Semiconductor ...	BT138-600	116Kb/1P	Triacs

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Brief Description of BT138

The BT138 is a medium-power triac (triode for alternating current) designed for AC switching and phase control applications, such as light dimmers, fan speed controllers, motor drives, and household appliance controls. Manufactured by several semiconductor companies, including Nexperia and STMicroelectronics, the BT138 is valued for its reliable operation, compact size, and ability to handle moderate AC loads in both industrial and consumer electronics.

The BT138 is rated for a repetitive peak off-state voltage (V_DRM) of 600V and can handle up to 12A RMS continuous current, making it suitable for switching AC loads directly from the mains supply. It supports four-quadrant operation, meaning it can be triggered by both positive and negative gate currents, providing flexibility in triggering circuits. Its relatively low gate trigger current allows it to be controlled with low-power signals, often through optoisolators like the MOC3021 for safe interfacing with microcontrollers or low-voltage logic circuits.

Housed in a TO-220 package, the BT138 provides good thermal performance and is easy to mount on heatsinks to enhance its current-handling capability in demanding applications.

Overall, the BT138 is a versatile and robust triac that offers an effective and economical solution for controlling medium-power AC loads in a wide range of electronic circuits, from household appliances to industrial automation systems.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.

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