BTA312B-800ET
3Q Hi-Com Triac
6 August 2014
Product data sheet
1. General description
Planar passivated high commutation three quadrant triac in a SOT404 (D2PAK)
surface mountable plastic package. This "series ET" triac balances the requirements of
commutation performance and gate sensitivity and is intended for interfacing with low
power drivers including microcontrollers. It is used in applications where "high junction
operating temperature" capability is required.
2. Features and benefits
• 3Q technology for improved noise immunity
• Direct interfacing with low power drivers and microcontrollers
• Good immunity to false turn-on by dV/dt
• High commutation capability with sensitive gate
• High junction operating temperature capability
• High voltage capability
• Planar passivated for voltage ruggedness and reliability
• Sensitive gate for easy logic level triggering
• Surface mountable package
• Triggering in three quadrants only
3. Applications
• Applications subject to high temperature
• Electronic thermostats (heating and cooling)
• High power motor controls e.g. washing machines and vacuum cleaners
• Refrigeration and air-conditioner compressor controls
4. Quick reference data
Table 1.
Symbol
VDRM
ITSM
Tj
IT(RMS)
Quick reference data
Parameter
Conditions
repetitive peak off-
state voltage
non-repetitive peak on- full sine wave; Tj(init) = 25 °C;
state current
tp = 20 ms; Fig. 4; Fig. 5
junction temperature
RMS on-state current full sine wave; Tmb ≤ 125 °C; Fig. 1;
Fig. 2; Fig. 3
Min Typ Max Unit
- - 800 V
- - 100 A
- - 150 °C
- - 12 A
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