This part is a kind of semiconductor called BCR30AM.

Function of this product has MEDIUM POWER USE NON-INSULATED TYPE/ PLANAR PASSIVATION TYPE.

Manufacturers : Mitsubishi Electric Semiconductor

Image and pinout :

Some of the text within the PDF file :

MITSUBISHI SEMICONDUCTOR 〈TRIAC〉 BCR30AM MEDIUM POWER USE NON-INSULATED TYPE, PLANAR PASSIVATION TYPE BCR30AM OUTLINE DRAWING 15.9 MAX 4 Dimensions in mm 4.5±0.3 1.5±0.2 φ3.2±0.2 5.0 20.0±0.5 TYPE NAME VOLTAGE CLASS ∗ 2 2±0.3 1.0±0.2 1 2 3 4 19.5 MIN 0.6±0.2 2.8±0.3 5.45 5.45 ∗ 4 24 1 2 33 4 Measurement point of case temperature • IT (RMS) .. 30A • VDRM ..400V/600V • IFGT !, IRGT !, IRGT # ... 50mA 1 T1 TERMINAL T2 TERMINAL GATE TERMINAL T2 TERMINAL TO-3P APPLICATION Contactless AC switches, light dimmer, on/off and speed control of small induction motors, on/off control of copier l [ ... ]

BCR30AM PDF Datasheet Download