The DE1B3RA331KN4AH01F is a CAP CER 330PF 400V RADIAL capacitor with specific features. It is a type of ceramic capacitor designed in a radial format and has a capacitance value of 330 pF, along with a tolerance of ±10% and a maximum voltage rating of 400 VAC. The designation B refers to its configuration as a disc-style component.