This part is a kind of semiconductor called CR16AM.
Function of this product has BCR16A.
Manufacturers : Mitsubishi Electric
Image and pinout :

Some of the text within the PDF file :
MITSUBISHI SEMICONDUCTOR 〈TRIAC〉 BCR16A, BCR16B, BCR16C, BCR16E MEDIUM POWER USE A, B, C : NON-INSULATED TYPE, E : INSULATED TYPE, GLASS PASSIVATION TYPE BCR16A, BCR16B, BCR16C, BCR16E OUTLINE DRAWING Dimensions in mm 3 φ2.0 MIN 1 φ2.0 MIN 14 MAX 3 1 φ8.7 MAX 2 2 φ11.1 MAX • IT (RMS) .. 16A • VDRM ..400V/500V • IFGT !, IRGT !, IRGT # ... 30mA 1 T1 TERMINAL 2 T2 TERMINAL 3 GATE TERMINAL BCR16A APPLICATION Contactless AC switches, light dimmer, on/off and speed control of small induction motors, on/off control of traffic signals, on/off control of copier lamps, solid state rela [ ... ]
CR16AM PDF Datasheet Download
