Product Name: Common Mode Choke T31X19X13-102 Toroidal Inductors for Electronic Product Use. Model NO.: Common Mode Choke Inductors T31X19X13-102 Inductor Value: Fixed Inductor Packaging Form: Generic Range of Application: Choke Structure of Magnetizer: Ferrite Coil Nature of Operation: Antenna Coil Structure of Winding: Hive Coil Working Frequency: High Frequency Structure: Core Type: Choke Inductor Trademark: EASTEVER Transport Package: Tape Specification: N/A Origin: Zhuhai/China HS Code: 8504500000 Product Description Established in 2010, Zhuhai Dongheng Electronics is a young and powerful enterprise, which is good at making RF Balun transformer.The company is now mainly engaged in the customization of RF transformer, Inductors, coils, couplers, splitters, chokes and beads.