This part is a kind of semiconductor called CD90-B2GA391KYNS.

Function of this product has Ceramic Capacitors.

Manufacturers : TDK

Image and pinout :

Some of the text within the PDF file :

4B3_CD (1/2) Ceramic Capacitors Safety Standard Compliance Radial CD Series REINFORCED INSULATION TYPE Temperature range: –25 to +85°C CLASS 2 HIGH DIELECTRIC FEATURES • Smaller than conventional capacitors. • Flame-resistant reinforced outer insulation prevents fires, electrical shock, and other potential hazards. • Compliant with the safety standards of 11 countries (conforms to European standards in accordance with IEC Pub . 384-14 Version 2). • This cer amic capacitor meets European Class II (reinf orced insulation) Safety Standards VDE, SEV, SEMKO, BS. Since it is rated at a withstand v oltage of AC.4000V, it can be used in single-unit configurations within European Class II devices. MARKINGS Item 1. Series 2. Nominal capacitance 3. Capacitance tolerance 4. Rated volta [ ... ]

CD90-B2GA391KYNS PDF Datasheet Download