View bta204x datasheet:

Philips Semiconductors Product specification Three quadrant triacs BTA204X series B and C high commutation GENERAL DESCRIPTION QUICK REFERENCE DATA Passivated high commutation triacs in SYMBOL PARAMETER MAX. MAX. MAX. UNIT a plastic full pack envelope intended for use in circuits where high static and BTA204X- 500B 600B 800B dynamic dV/dt and high dI/dt can BTA204X- 500C 600C 800C occur. These devices will commutate VDRM Repetitive peak 500 600 800 V the full rated rms current at the off-state voltages maximum rated junction temperature IT(RMS) RMS on-state current 4 4 4 A without the aid of a snubber. ITSM Non-repetitive peak on-state 25 25 25 A current PINNING - SOT186A PIN CONFIGURATION SYMBOL PIN DESCRIPTION case 1 main terminal 1 T2 T1 2 main terminal 2 3 gate G