BT138Y-800E

4Q Triac


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Planar passivated sensitive gate four quadrant triac in an internally insulated SOT78D (TO-220AB) plastic package intended for use in general purpose bidirectional switching and phase control applications. This sensitive gate "series E" triac can be interfaced directly to microcontrollers, logic integrated circuits and other low power gate trigger circuits. The internally insulated mounting base gives good thermal performance combined with ease of handling and assembly by the user.

Features and benefits

  • 2500 V RMS isolation voltage capability
  • Direct interfacing to logic level ICs
  • Direct interfacing to low power gate drivers and microcontrollers
  • High blocking voltage capability
  • Industry standard TO-220 package for ease of handling
  • Isolated mounting base
  • Planar passivated for voltage ruggedness and reliability
  • Sensitive gate
  • Triggering in all four quadrants

Applications

  • 230 V lamp dimmers
  • General-purpose switching and phase control
All information on this product information page is subject to the subsequent disclaimers:
Go to the parametric search
Parametric search

Parametrics of this product

SymbolParameterConditionsMinTyp/NomMaxUnit
VDRMrepetitive peak off-state voltage800V
ITSMnon-repetitive peak on-state currentfull sine wave; Tj(init) = 25 °C; tp = 20 ms95A
IT(RMS)RMS on-state currentfull sine wave; Tmb ≤ 85 °C12A
Static characteristics
IGTgate trigger currentVD = 12 V; IT = 0.1 A; T2+ G+; Tj = 25 °C10mA
IGTgate trigger currentVD = 12 V; IT = 0.1 A; T2- G-; Tj = 25 °C25mA

Similar products

Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
BT138Y-800EBT138Y-800E,1279340 621 72127Volume productionSOT78D
(TO-220AB) 		Horizontal, Rail PackStandard Marking

Pinning information

PinSymbolDescriptionSimplified outlineGraphic symbol
1T1main terminal 1SOT78D (TO-220)Triac symbol
2T2main terminal 2
3Ggate
mbn.c.mounting base; isolated

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
BT138Y-800EBT138Y-800E,127BT138Y-800ENANA
Quality and reliability disclaimer

Quality and reliability disclaimer

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Documentation for this product

TypeFormatTitleDate
Data sheetpdf12 A four-quadrant triacs, sensitive gate, insulated (v.1.0)2008-06-03
Application notepdfTriacs: How to calculate power and predict Tjmax (v.1.0)2005-08-10
Application notepdfSurface Mounted Triacs and Thyristors (v.1.0)1999-07-01
Application notepdfSwitched Mode Power Supplies (v.1.0)1998-08-28
Application notepdfMotor Control (v.1.0)1998-08-28
Application notepdfTelevisions and Monitors (v.1.0)1998-08-28
Application notepdfAutomotive Power Electronics (v.1.0)1998-08-28
Application notepdfPower Control with Thyristors and Triacs (v.1.0)1998-08-28
Application notepdfThermal Management (v.1.0)1998-08-28
Application notepdfLighting (v.1.0)1998-08-28
Selection guidepdfBipolar Power Product Selection Guide (v.3.0)2011-08-16

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
BT138Y-800E9340 621 72127BT138Y-800E,127       

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