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Part of: 854710 — Insulating fittings of ceramics:
N184157 · 2011-09-15 — The tariff classification of cylindrical EMI suppression ferrite cores from China
The merchandise concerned is referred to as a cylindrical EMI (electro-magnetic interference) suppression ferrite core (part # 28B1250-000). The item is described as a broadband EMI suppressor made of solid ferrite core. It is used on round cables and wiring harnesses. The instant ferrite core is in the shape of a donut measuring approximately 1 ¼ inches in diameter. In use, the ferrite core would be slipped over certain electrical current carrying cables or wiring harnesses to suppress or choke out common and differential mode EMI (electro-magnetic interference). It is Customs position that…
H045160 · 2010-01-11 — Classification of Ceramic Insulators; Internal Advice
S. Customs and Border Protection (CBP) Regulations, Part 177 (19 C.F.R. §177). The request pertains to the classification of certain ceramic insulators imported by Hemlock Semiconductor Corporation (HSC), under the Harmonized Tariff Schedule of the United States (HTSUS). In reaching our decision, additional consideration has been given to the supplemental submission provided by HSC on November 25, 2009. FACTS: The subject merchandise is described as a ceramic insulator washer, a ceramic insulator sleeve and a ceramic electrode insulator (referred to collectively as ceramic insulators). These…
K82884 · 2004-03-01 — The tariff classification of electrical insulators from England and Japan
As indicated by the submitted information, the insulators are fittings used in the process chambers of etch semiconductor production equipment. They are in the shape of rings and are used in conjunction with the electrodes in the chamber. The insulators are made from either quartz, teflon, or ceramic material. The applicable subheading for the quartz insulator will be 8547.90.0010, Harmonized Tariff Schedule of the United States (HTS), which provides for insulating fittings for electrical machines, appliances or equipment, …, other than insulators of heading 8546: Other. The rate of duty will…
J83778 · 2003-05-27 — The tariff classification of porcelain insulating tubes from Japan
, you requested a tariff classification ruling. As indicated by the submitted descriptive literature, the porcelain insulating tubes are used in the manufacture of circuit breakers and other types of electrical equipment such as transformers. These tubes provide the necessary insulating feature for the safe operation of the electrical equipment. The applicable subheading for the porcelain insulating tubes will be 8547.10.8000, Harmonized Tariff Schedule of the United States (HTS), which provides for insulating fittings of ceramics: Other. The rate of duty will be 3 percent ad valorem. This…
953074 · 1993-04-06 — Ferrite Core; Sony Corporation of America; Insulating Fittings For Electrical Machines; HQ 950417; HQ 089042; HQ 089263; HQ 089869; HQ 082097; "Insulate" Defined; Principal Use
FACTS: Ferrites are ceramic materials which exhibit a high degree of magnetic sensitivity. Ferrite material is manufactured by combining certain metallic oxides with a binding agent under high temperature and pressure. Because of their high electrical resistivity and magnetic permeability, magnetically soft ferrites are particularly well suited for the storage, transmission, or reception of magnetic energy. The resistivity of ferrite material also allows those materials to be used in the conversion of electric energy into magnetic energy and vice versa via induction. Because of these…
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