The product code is 1210J0500394KXR, identifying a ceramic capacitor with the following specifications: a capacitance value of 0.39 microfarads (µF), tolerance of ±10%, and a voltage rating of 50 volts (V). It adheres to the X7R temperature coefficient classification, ensuring stable performance across varying temperatures. The device is housed in a 1210 package size equivalent to 3225 metric dimensions.