This part is a kind of semiconductor called PL-11.

Function of this product has Low Power Through-Hole Transformers.

Manufacturers : Vishay

Image and pinout :

Some of the text within the PDF file :

PL-11, PL-12, PL-13, PL-14, PL-32, PL-33, PL-34 www.vishay.com Vishay Dale Low Power Through-Hole Transformers, Single Primary, Input 115 V Dual Secondary: PL-11 thru PL-14, Single Secondary: PL-32 thru PL-34 ELECTRICAL SPECIFICATIONS Input Voltage: 115 V, 60 Hz Output Power Rating: PL-11 = 0.75 VA PL-12, PL-32 = 1.50 VA PL-13, PL-33 = 4.50 VA PL-14, PL-34 = 10.0 VA Dielectric Strength: All models are 1500 V, 60 Hz from primary to secondary winding and all windings to core Temperature Class: Insulation Class A, + 105 °C FEATURES • PC pin mounting • Provides isolation from power line • Mounting frames and bobbin standoff are available • Modification to these standard items are available as specially products • Laminated construction for low-cost industrial applications, incl [ ... ]

PL-11 PDF Datasheet Download