This part is a kind of semiconductor called PCR606J.

Function of this product has Sensitive Gate Silicon Controlled Rectifiers.

Manufacturers : KCD

Image and pinout :

Some of the text within the PDF file :

PCR606J Sensitive Gate Silicon Controlled Rectifiers Symbol 2. Gate ○ Features ▼ 1 23 ○ ○ 3. Anode 1. Cathode Repetitive Peak Off-State Voltage : 600V ◆ R.M.S On-State Current ( IT(RMS)= 0.6 A ) ◆ Low On-State Voltage (1.2V(Typ.)@ ITM) ◆ TO-92 General Description Sensitive triggering SCR is suitable for the application where gate current limited such as small motor control, gate driver for large SCR, sensing and detecting circuits. Absolute Maximum Ratings Symbol VDRM IT(AV) IT(RMS) ITSM I2t PGM PG(AV) IFGM VRGM TJ TSTG ( TJ = 25°C unless otherwise specified ) Condition Ratings 600 Half Sine Wave : TC = 74 °C All Conduction Angle 1/2 Cycle, 60Hz, Sine Wave Non-Repetitive t = 8.3ms TA =25°C, Pulse Width ≤ 1.0㎲ TA =25°C, t = 8.3ms 0.5 0.6 [ ... ]

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