BT138Y-800E

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
Datasheet
Package version
Package name
Product status
Tj [max]
Product Parametric
Type Number Symbol Parameter Conditions Min Typ/Nom Max Unit
BT138Y-800E VDRM repetitive peak off-state voltage       800 V
IT(RMS) RMS on-state current full sine wave; Tmb ≤ 85 °C     12 A
ITSM non-repetitive peak on-state current full sine wave; Tj(init) = 25 °C; tp = 20 ms     95 A
full sine wave; Tj(init) = 25 °C; tp = 16.7 ms     105 A
Tj junction temperature       125 °C
IGT gate trigger current VD = 12 V; IT = 0.1 A; T2+ G+; Tj = 25 °C     10 mA
VD = 12 V; IT = 0.1 A; T2+ G-; Tj = 25 °C     10 mA
VD = 12 V; IT = 0.1 A; T2- G+; Tj = 25 °C     10 mA
VD = 12 V; IT = 0.1 A; T2- G-; Tj = 25 °C     25 mA
IH holding current VD = 12 V; Tj = 25 °C     30 mA
VT on-state voltage IT = 15 A; Tj = 25 °C   1.4 1.65 V
dVD/dt rate of rise of off-state voltage VDM = 536 V; Tj = 125 °C; (VDM = 67% of VDRM); exponential waveform; gate open circuit   50   V/µs
Package
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)
BT138Y-800E SOT78
SOT78
Horizontal, Rail Pack Volume production Standard Marking BT138Y-800E,127 9340 621 72127
Quality, reliability & chemical content
Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
BT138Y-800E BT138Y-800E,127   BT138Y-800E LeadedE   NA NA
Ordering & availability
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
BT138Y-800E 9340 621 72127 BT138Y-800E,127 NA NA  
IGT [max] in quadrant 1
IGT [max] in quadrant 2
IGT [max] in quadrant 3
IGT [max] in quadrant 4
IT(RMS) [max]
ITSM [max] @ 50 Hz
VDRM [max]
Cross Reference
FT1018NJ FT1218NJ Q8010L4
Orderable part number
BT138Y-800E,127

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