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BT138Y-600E

4Q Triac

WeEn Semiconductors 

BT138Y-600E

4Q Triac

15 September 2018

Product data sheet

1. General description

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.

2. 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

3. Applications

• 230 V lamp dimmers

• General purpose switching and phase control

4. Quick reference data

Table 1. Quick reference data

Symbol

Parameter

Conditions

VDRM

repetitive peak off-

state voltage

IT(RMS)

RMS on-state current full sine wave; Tmb ≤ 85 °C; Fig. 1;

Fig. 2; Fig. 3

ITSM

non-repetitive peak on- full sine wave; Tj(init) = 25 °C;

state current

tp = 20 ms; Fig. 4; Fig. 5

full sine wave; Tj(init) = 25 °C;

tp = 16.7 ms

Tj

junction temperature

Static characteristics

IGT

gate trigger current

VD = 12 V; IT = 0.1 A; T2+ G+;

Tj = 25 °C; Fig. 7

Min Typ Max Unit

-

-

600 V

-

-

12

A

-

-

95

A

-

-

105 A

-

-

125 °C

-

-

10

mA

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