This part is a kind of semiconductor called EFS1J.

Function of this product has 1.0A LOW VF SURFACE MOUNT GLASS PASSIVATED SUPERFAST DIODE.

Manufacturers : Won-Top Electronics

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Some of the text within the PDF file :

WTE POWER SEMICONDUCTORS EFS1J Pb 1.0A LOW VF SURFACE MOUNT GLASS PASSIVATED SUPERFAST DIODE Features ! ! ! ! ! ! ! Glass Passivated Die Construction Ideally Suited for Automatic Assembly B Low Forward Voltage Drop, High Efficiency Surge Overload Rating to 30A Peak Low Power Loss A Super-Fast Recovery Time F Plastic Case Material has UL Flammability Classification Rating 94V-O C H G




















































































E SMA/DO-214AC Dim Min Max 2.50 2.90 A 4.00 4.60 B 1.20 1.60 C 0.152 0.305 D 4.80 5.28 E 2.00 2.44 F 0.051 0.203 G 0.76 1.52 H All Dimensions in mm D Mechanical Data ! ! ! ! ! ! Case: SMA/DO-214AC, Molded Plastic Terminals: Solder Plated, Solderable per MIL-STD-750, Method 2026 Polarity: Cathode Band [ ... ]

EFS1J PDF Datasheet Download