This part is a kind of semiconductor called GS1000FL.

Function of this product has 1.0A SURFACE MOUNT GLASS PASSIVATED STANDARD DIODE.

Manufacturers : WON-TOP ELECTRONICS

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® WON-TOP ELECTRONICS GS1000FL – GS1010FL 1.0A SURFACE MOUNT GLASS PASSIVATED STANDARD DIODE Pb Features  Low Profile 1.08mm Max. Case Height  Glass Passivated Die Construction  Low Forward Voltage Drop  Surge Overload Rating to 30A Peak  Ideally Suited for Automatic Assembly  Plastic Material – UL Recognition Flammability Classification 94V-0 C Mechanical Data  Case: SOD-123FL, Molded Plastic  Terminals: Plated Leads Solderable per MIL-STD-202, Method 208  Polarity: Cathode Band  Weight: 0.017 grams (approx.)  Marking: Device Code, See Page 3  Lead Free: For RoHS / Lead Free Version, Add “-LF” Suffix to Part Number, See Page 4 E A SOD-123FL Dim Min Max D A 3.30 3.70 B B 2.60 2.95 C 1.65 1.95 D 0.75 1.35 G E 0.10 0.20 G 0.98 1.08 H 0.50 0. [ ... ]

GS1000FL PDF Datasheet Download