This part is a kind of semiconductor called 2N6075.

Function of this product has SENSITIVE GATE TRIACS.

Manufacturers : Digitron Semiconductors

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Some of the text within the PDF file :

DIGITRON SEMICONDUCTORS 2N6068, A, B-2N6075,A, B SENSITIVE GATE TRIACS Available Non-RoHS (standard) or RoHS compliant (add PBF suffix). Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number. MAXIMUM RATINGS Rating Repetitive peak off-state voltage (1) (TJ = 110°C) 2N6068, A, B 2N6069, A, B 2N6070, A, B 2N6071, A, B 2N6072, A, B 2N6073, A, B 2N6074, A, B 2N6075, A, B On-state current RMS (TC = 85°C) Peak surge current (one full cycle, 60Hz, TJ = -40 to 110°C) Circuit fusing considerations (TJ = -40 to 110°C, t = 1.0 to 8.3ms) Peak gate power Average gate power Peak gate voltage Operating junction temperature Storage temperature Mounting torque (6-32) screw (2) Symbol VDRM IT(RMS) ITSM I2t PGM PG(AV) VGM TJ Tstg - [ ... ]

2N6075 PDF Datasheet Download