This part is a kind of semiconductor called F16JZ51.

Function of this product has SF16JZ51.

Manufacturers : Toshiba Semiconductor

Image and pinout :

Some of the text within the PDF file :

SF16GZ51,SF16JZ51 TOSHIBA THYRISTOR SILICON PLANAR TYPE SF16GZ51,SF16JZ51 MEDIUM POWER CONTROL APPLICATIONS l Repetitive Peak Off−State Voltage : VDRM = 400,600V Repetitive Peak Reverse Voltage : VRRM = 400,600V l Average On−State Current l Isolation Voltage : IT (AV) = 16A : VIsol = 1500V AC Unit: mm MAXIMUM RATINGS CHARACTERISTIC Repetitive Peak Off−State Voltage and Repetitive Peak Reverse Voltage Non−Repetitive Peak Reverse Voltage (Non−Repetitive <5ms, Tj = 0~125°C) SF16GZ51 SF16JZ51 SF16GZ51 VRSM SF16JZ51 IT(AV) IT(RMS) ITSM I t di / dt PGM PG (AV) VFGM VRGM IGM Tj Tstg VIsol 2 SYMBOL VDRM VRRM RATING 400 UNIT V 600 500 V 720 16 25 250 (50Hz) 275 (60Hz) 312 100 5 0.5 10 −5 2 −40~125 −40~125 1500 A A A A s A / µs W W V V A °C °C V 2 Average On−State Curren [ ... ]

F16JZ51 PDF Datasheet Download