For transformers
Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof: > Parts: > Other: > Other > Ferrites: > For transformers
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8504.90.96.10
Ferrite Core ETD34 for Power Transformers
The ETD34 ferrite core is a high-performance manganese-zinc ferrite component designed specifically for use in power transformers operating at frequencies from 20-100 kHz. It provides excellent magnetic permeability and low core losses, making it ideal for switch-mode power supplies. Classified under HTS 8504.90.96.10 as a ferrite part explicitly for transformers.
Toroidal Ferrite Core for Audio Transformers
This toroidal-shaped nickel-zinc ferrite core is engineered for audio output transformers in high-fidelity amplifiers, offering low distortion and wide bandwidth up to 50 kHz. Its closed magnetic path minimizes electromagnetic interference. Falls under HTS 8504.90.96.10 as a dedicated transformer ferrite component.
RM8 Ferrite Core Set for Flyback Transformers
RM8 ferrite core pairs (two halves) made from high-grade MnZn material for flyback transformers in consumer electronics like TVs and monitors. Designed for 25-200 kHz operation with optimal flux density. HTS 8504.90.96.10 classification for transformer-specific ferrites.
PQ32/20 Ferrite Core for SMPS Transformers
PQ32/20 power ferrite core optimized for switch-mode power supply (SMPS) transformers in servers and industrial equipment, featuring low losses at 100 kHz. Manganese-zinc composition ensures high saturation flux density. Specifically classified under HTS 8504.90.96.10 for transformers.
EFD30 Ferrite Core for LED Driver Transformers
Compact EFD30 ferrite cores for high-frequency transformers in LED lighting drivers, supporting 50-500 kHz operation with excellent thermal stability. NiZn material reduces leakage inductance. HTS 8504.90.96.10 as transformer ferrite parts.
Ferrite Pot Core 20mm for Telecom Transformers
20mm pot core ferrites designed for isolation transformers in telecommunications equipment, providing high coupling factor and 1-10 MHz bandwidth. Shielded design reduces EMI. Classified HTS 8504.90.96.10 for transformer applications.
U-Shaped Ferrite Core for Current Transformers
U-shaped high-permeability ferrite cores for precision current sensing transformers in metering equipment, optimized for 50/60 Hz with minimal phase error. Snap-together design for easy assembly. HTS 8504.90.96.10 classification.
Planar Ferrite Core for DC-DC Converter Transformers
Low-profile planar ferrite cores for high-density DC-DC converter transformers in telecommunications and datacom equipment, supporting multi-MHz switching. PCB-integrated design. Falls under HTS 8504.90.96.10 for transformer ferrites.
High Flux Density Ferrite Core for Welding Transformers
Special high Bs ferrite cores for inverter welding machine transformers, handling high peak currents at 20-100 kHz. Robust design withstands thermal cycling. HTS 8504.90.96.10 as transformer-specific ferrites.
Multi-Gap Ferrite Core for Resonant Transformers
Precision multi-gap cut ferrite cores for LLC resonant converter transformers, providing controlled inductance and low leakage at 100-250 kHz. Distributed gap design reduces winding losses. Classified under HTS 8504.90.96.10.