This part is a kind of semiconductor called SL22.

Function of this product has Silicon epitaxial planer type.

Manufacturers : Formosa MS

Image and pinout :

Some of the text within the PDF file :

Low VF Chip Schottky Barrier Diodes SL22 AND SL24 Silicon epitaxial planer type Formosa MS SMA 0.185(4.8) 0.177(4.4) 0.012(0.3) Typ. Features Plastic package has Underwriters Laboratory Flammability Classification 94V-O Utilizing Flame Retardant Epoxy M olding Compound. For surface mounted applications. Exceeds environmental standards of MIL-S-19500 / 228 Low leakage current. 0.067(1.7) 0.060(1.5) 0.110(2.8) 0.094(2.4) 0.165(4.2) 0.150(3.8) 0.040(1.0) Typ. 0.040 (1.0) Typ. Mechanical data Case : Molded plastic, JEDEC DO-214AC Terminals : Solder plated, solderable per MIL-STD-750, Method 2026 Polarity : Indicated by c athode band Mounting P osition : Any Weight : 0.0015 ounce, 0.05 gram Dimensions in inches and (millimeters) MAXIMUM RATINGS (AT TA=25oC unless otherwise noted) PARA [ ... ]

SL22 PDF Datasheet Download