This post explains for the Triac.
The Part Number is BTA04.
The function of this semiconductor is 4A, Sensitive Gate Triac.
Manufacturers : Unisonic Technologies
Preview images :
The UTC BTA04 is a 4A triac, it uses UTC’s advanced technology to provide customers with high commutation performances and voltage insulated tab, etc. The UTC BTA04 is suitable for inductive loads, general purpose AC switching and an ON/OFF function in applications such as induction motor starting circuits, for phase control operation in light dimmers and static relays, etc.
1. Low gate trigger current
2. Low holding current
SYMBOL MT2 TRIAC G MT1
ORDERING INFORMATION Ordering Number Lead Free Halogen Free
(1)Packing Type (2)Package Type (3)Sensitivity (4)Voltage (5)Green Package (1) T: Tube (2) TF3: TO-220F (3) refer to SENSITIVITY AND TYPE (4) 4: 400V, 6: 600V, 7: 700V, 8: 800V (5) L: Lead Free, G: Halogen Free and Lead Free SENSITIVITY AND TYPE PART NUMBER A S D […]