This part is a kind of semiconductor called FML-G12S.
Function of this product has Ultra-Fast-Recovery Rectifier Diodes.
Manufacturers : Sanken electric
Image and pinout :
Some of the text within the PDF file :
Ultra-Fast-Recovery Rectifier Diodes Absolute Maximum Ratings Parameter Type No. VRM (V) I F (AV) (A) With Heatsink Electrical Characteristics (Ta = 25°C) Tstg (°C) VF (V) max IF (A) IR (mA) IR (H) (mA) Others IFSM (A) 50Hz Half-cycle Sinewave Single Shot Tj (°C) t rr (ns) IF /IRP (mA) t rr (ns) IF /IRP (mA) Rth ( j-c) (°C/ W) Mass Fig. (g) VR = VRM VR = VRM max Ta =100°C max FML-G12S FML-G13S FML-G14S FML-G16S 200 300 5.0 400 600 65 0.98 0.25 1.0 40 100/100 30 100/200 4.0 2.1 A 70 –40 to +150 1.30 5.0 0.1 0.2 50 0.5 500/500 35 500/1000 50 1.50 FML-G12S TcIF(AV) Derating 5 Average Forward Current I F (AV) (A) VF I F Characteristics (Typical) I FSM (A) I FMS Rating I FSM (A) t /T = 1/2 D.C. Forward Current IF (A) 20 10 65 60 50 20ms 4 t /T = [ ... ]
FML-G12S PDF Datasheet Download
