TRIACs

Use the filters and product table below to compare TRIACs components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Triac Type	Voltage - Off State	Current - On State (It (RMS)) (Max)	Voltage - Gate Trigger (Vgt) (Max)	Current - Non Rep. Surge 50, 60Hz (Itsm)	Current - Gate Trigger (Igt) (Max)	Current - Hold (Ih) (Max)	Configuration	Operating Temperature	Grade	Qualification	Mounting Type	Supplier Device Package
T1635T-8G TRIAC ALTERNISTOR 800V 16A D2PAK STMicroelectronics	2,059	-	RFQ	Datasheet	Snubberless™	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	Tube	Active	Alternistor - Snubberless	800 V	16 A	1.3 V	120A, 126A	35 mA	45 mA	Single	-40°C ~ 150°C (TJ)	-	-	Surface Mount	D2PAK
T1610T-8G TRIAC SENS GATE 800V 16A D2PAK STMicroelectronics	7,385	-	RFQ	Datasheet	-	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	Tube	Active	Logic - Sensitive Gate	800 V	16 A	1.3 V	120A, 126A	10 mA	25 mA	Single	-40°C ~ 150°C (TJ)	-	-	Surface Mount	D2PAK
Z0103DN 5AA4 TRIAC SENS GATE 400V 1A SOT223 STMicroelectronics	7,885	-	RFQ	Datasheet	-	TO-261-4, TO-261AA	Tape & Reel (TR)	Obsolete	Logic - Sensitive Gate	400 V	1 A	1.3 V	8A, 8.5A	3 mA	7 mA	Single	-40°C ~ 125°C (TJ)	-	-	Surface Mount	SOT-223
T835H-6G TRIAC ALTERNISTOR 600V 8A D2PAK STMicroelectronics	5,968	-	RFQ	Datasheet	Snubberless™	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	Tube	Active	Alternistor - Snubberless	600 V	8 A	1 V	80A, 84A	35 mA	35 mA	Single	-40°C ~ 150°C (TJ)	-	-	Surface Mount	D2PAK
T850H-6G TRIAC ALTERNISTOR 600V 8A D2PAK STMicroelectronics	7,266	-	RFQ	Datasheet	Snubberless™	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	Tube	Active	Alternistor - Snubberless	600 V	8 A	1 V	80A, 84A	50 mA	75 mA	Single	-40°C ~ 125°C (TJ)	-	-	Surface Mount	D2PAK
T1235T-6I TRIAC ALTERNSTR 600V 12A TO220AB STMicroelectronics	7,505	-	RFQ	Datasheet	-	TO-220-3	Tube	Active	Alternistor - Snubberless	600 V	12 A	1.3 V	90A, 95A	35 mA	30 mA	Single	-40°C ~ 125°C (TJ)	-	-	Through Hole	TO-220AB Insulated
ACST435-8FP TRIAC 800V 4A TO220FP STMicroelectronics	9,690	-	RFQ	Datasheet	ACS™/A.S.D®	TO-220-3 Full Pack	Tube	Obsolete	Standard	800 V	4 A	1.1 V	30A, 32A	35 mA	25 mA	Single	-40°C ~ 125°C (TJ)	-	-	Through Hole	TO-220FP
ACST2-8SB TRIAC SENS GATE 800V 2A DPAK STMicroelectronics	9,178	-	RFQ	Datasheet	-	TO-252-3, DPAK (2 Leads + Tab), SC-63	Tube	Obsolete	Logic - Sensitive Gate	800 V	2 A	1.1 V	8A, 8.4A	10 mA	10 mA	Single	-40°C ~ 125°C (TJ)	-	-	Surface Mount	DPAK
T850-6G-TR TRIAC ALTERNISTOR 600V 8A D2PAK STMicroelectronics	8,430	-	RFQ	Datasheet	Snubberless™	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	Tape & Reel (TR)	Active	Alternistor - Snubberless	600 V	8 A	1.2 V	80A, 84A	50 mA	50 mA	Single	-40°C ~ 125°C (TJ)	-	-	Surface Mount	D2PAK
T405-400T TRIAC SENS GATE 400V 4A TO220 STMicroelectronics	5,955	-	RFQ	Datasheet	-	TO-220-3	Tube	Obsolete	Logic - Sensitive Gate	400 V	4 A	1.3 V	30A, 31A	5 mA	10 mA	Single	-40°C ~ 125°C (TJ)	-	-	Through Hole	TO-220

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FREQUENTLY ASKED QUESTIONS

TRIACs FAQ

Common questions about filtering, comparing and sourcing TRIACs components.

How can I narrow the TRIACs selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific TRIACs part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.