T405 800b Tr
Overview
Product sourcing insights & recommendations


I have analyzed the T405-800B-TR logic-level triac, a 4A, 800V component from STMicroelectronics optimized for direct microcontroller interfacing and high-performance AC switching. The analysis covers its Snubberless™ technology, technical specifications, and primary applications in home appliances and industrial controls.
The market shows a strong trend toward PCB miniaturization and IoT-integrated switching, favoring the DPAK (TO-252) package for automated assembly. The sourcing data confirms wide availability from verified B2B suppliers, with pricing typically between $0.27 and $0.52 per unit. Detailed technical specifications, application trends, and sourcing links are compiled in the report below.
Based on these insights, you can proceed with:
T405 800b Tr Triac Stmicroelectronics
Products · 2 lists

BTA40-700B BTA40-600B 800B Triac 40A BTA40
Shenzhen Futian District Jin Dapeng Electronic Firm🇨🇳CN7 yrs
T405-800B-TR 800V 10mA Logic Level Triac T405 TO-252(DPAK)
Shenzhen Wumingshi Technology Co., Ltd.🇨🇳CN1 yr
BTA40-600B BTA40-800B Brand New Original Imported ST Bidirectional TRIAC
Shenzhen Huayang Sheng Electronic Technology Co., Ltd.🇨🇳CN1 yr
BTA20-600B Triac TO-220 for AC Power Control
Shenzhen Wilsom Electronic Co., Ltd🇨🇳CN1 yr
ST Thyristors TRIAC BTA41-600B Through Hole Package
Shenzhen Prophet Technology Co., Ltd.🇨🇳CN12 yrs
BTA41-600B Original STMicroelectronics 40A 600V TRIAC TOP-3 Triac Thyristor for Motor Control AC Switching

BTA41-600B 41A 600V TRIAC TO-3P Transistor BTA41-600 BTA41 High Quality BTA41-600BRG
Shenzhen Dianzhidu Technology Co., Ltd.verified🇨🇳CN1 yr
KT BTA41-600BRG -B Triacs 40A V - B Supplier Price Seller Provider Products
Shenzhen Ketao Zhengpin Electronics Co., Ltd.🇨🇳CN4 yrs
JSMSEMI BTA41-800B 41A 800V TRIAC TO-3P Transistor BTA41-800 BTA41 High Quality Not Cheap one 100% Compatible ST
Shenzhen Sungood Electronics Technology Co., Ltd.verified🇨🇳CN4 yrs
IN STOCK 100% ORIGINAL BRAND NEW TRIAC 800V 12A TO220B SST12B-800BW

Standard TRIACS BTB08 Serial Thyristor 600V 800V 8A for General Purpose AC Switching
Aiko Electronics Technology Co., Ltd.🇨🇳CN3 yrs
Stock BTA412Y 800V TRIAC Standard 800 V 12 A Through Hole TO-220AB Thyristor
Shenzhen Jinshengwei Technology Co., Ltd.🇨🇳CN5 yrs
BTB08-400CRG Original Integrated Circuit Thyristors Electronic Components TRIAC 400V 8A TO220
IC ONLINE CO., LIMITED🇭🇰HK3 yrs
BTB08-400BRG Original Integrated Circuit Thyristors Electronic Components TRIAC 400V 8A TO220
ShenZhen Nova Semiconductor Co., Ltdverified🇨🇳CN17 yrs
New and Original TRIAC BTA06 800V 6A TO220 TO-220 BTA06-800BWRG
Shenzhen Winyat Technology Co., Ltd.🇨🇳CN10 yrs
SCR / TRIAC Thyristors BT136-600E BT137-600E BT138-600E BT138-800E BT151-500R BT152-600R BTA06-600C 600V 800V Transistor
Shenzhen Kaisheng Century Electronics Co., Ltd.verified🇨🇳CN3 yrs
TO-3PA 800V 40A BTA41-800BW Triac
Shenzhen Ali Xin Chao Technology Co., Ltd.🇨🇳CN1 yr
JSMSEMI BTA40-800B BTA40-800 BTA40 40A 800V RD-91 TRIAC High Quality China Transistor
Shenzhen Jiexing Weiye Electronic Co., Ltd.🇨🇳CN17 yrs
800V BTA41-800B TO-3PA Triac Provides Voltage Insulated Tab
Yangzhou Positioning Tech. Co., Ltd.verified🇨🇳CN23 yrs
(TRIACs) MAC228A8T

Thyristors SST08B-800C TO-220-3 Electronic Circuit Components Manufacturer Channel
Shenzhen Cico Technology Co., Ltd.🇨🇳CN10 yrs
BTB16-800B 16A 800V Triac Thyristor TO220 Non Insulated Power Switch CN Mounting Type
Shenzhen Zhengyan Microelectronics Co., Ltd.🇨🇳CN1 yr
SCR / TRIAC Thyristors BT136-600E BT137-600E BT138-600E BT138-800E BT151-500R BT152-600R BTA06-600C 600V 800V Transistor
Shenzhen Shengdingtong Technology Co., Ltd.verified🇨🇳CN1 yr
Ready to Ship BTA12-800B TO-220 12A 800V TRIAC Brand New Original Transistor Suppliers BOM Quotation

THJ Triac Bidirectional Thyristor TG35C60 MU-241 For Heater Control
Shenzhen Thj Technology Limited🇨🇳CN13 yrs
RUIST New and Original Triacs 40 Amp 600 Volt TO-3P Thyristor Triac Bta 41600B BTA41-600 BTA41600B BTA41-600B
Shenzhen Ruist Electronic Technology Co., Ltd.🇨🇳CN6 yrs
New and Original IC Integrated Circuit OT409 washing machine triac 1A 900V SOT223 brand 0T409
Shenzhen Pengying Electronics Co., Ltd.🇨🇳CN5 yrs
T830-800W Original TO-220 Triacs T830 T830800W T830-800W
Shenzhen Kuanwei Technology Co., Ltd.🇨🇳CN1 yr
New and Original IC Integrated Circuit OT409 washing machine triac 1A 900V SOT223 brand 0T409

T830-800W Original TO-220 Triacs T830 T830800W T830-800W
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Sources & References
18 sources cited · Verified industry data & reports

Buy T405-800B-TR - ST Online Store - STMicroelectronics
eStore - STMicroelectronics
Based on ST's Snubberless / logic level technology providing high commutation performances, the T4 series is suitable for use on AC inductive loads. They are ...

T405-800B-TR STMicroelectronics | TRIACs
DigiKey
Manufacturer Product Number. T405-800B-TR ; Description. TRIAC SENS GATE 800V 4A DPAK ; Manufacturer Standard Lead Time. 15 Weeks ; Customer Reference.

T405-800B-TR STMicroelectronics
Mouser Electronics
T405-800B-TR STMicroelectronics Triacs 4.0 Amp 800 Volt datasheet, inventory, & pricing.

T405-800B-TR STMICROELECTRONICS, TRIAC, 4A, 800V
Newark Electronics
T405-800B-TR. TRIAC, 4A, 800V, TO-252. STMICROELECTRONICS. Image is for illustrative purposes only. Please refer to product description.

T405-800B-TR in Reel by STMicroelectronics
Future Electronics
Buy STMicroelectronics T405-800B-TR in Reel. T405 Series 800 Vdrm 4 A Logic Level Triac AC Switch Surface Mount - TO-252 from Future Electronics.

T405-800B-TR Datasheet, Alternatives & Specs
PartGenie
The T405-800B-TR is a 4A, 800V logic-level Triac in a DPAK package, optimized for high-commutation AC inductive load control.
