This part is a kind of semiconductor called 1N4148W.

Function of this product has SURFACE MOUNT SWITCHING DIODES.

Manufacturers : Pan Jit International Inc.

Image and pinout :

Some of the text within the PDF file :

1N4148W, 1N4448W SURFACE MOUNT SWITCHING DIODES VOLTAGE 100 Volts POWER 410 - 500 mW FEATURES • Fast switching Speed • Electrically Identical to Standard JEDEC • High Conductance • Surface Mount Package Ideally Suited for Automatic Insertion • Flat package SOD-123 in stead mini-MELF package. MECHANICAL DATA Case: SOD-123, Plastic Terminals: Solderable per MIL-STD-202, Method 208 Approx. Weight:0.01 gram SOD-123 MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS PARAMETER Reverse Voltage Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Current at Ta=25OC Peak Forward Surge Current, 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Power Dissipation Derate Above 25OC Maximum Forward Voltage Maximum DC Reverse Curren [ ... ]

1N4148W PDF Datasheet Download