We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Toroidal Core.
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Toroidal Core - Company Ranking(8 companyies in total)

Last Updated: Aggregation Period:Jul 23, 2025〜Aug 19, 2025
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Company Name Featured Products
Product Image, Product Name, Price Range overview Application/Performance example
- Diameter 5.08mm, after coating 5.33mm - Inner diameter 2.24mm, after coating 1.98mm - Height 1.78mm, after coating 2.03mm - Weight: (approximately) 0.13g - Coating type: Parylene C over Red/Clear - Permeability (reference value): 8.5 - AL value: 2.2 High-frequency (RF) circuit applications
- Color: Red - Diameter 6.48mm, after coating, 6.86mm - Inner diameter 3.05mm, after coating, 2.67mm For high-frequency (RF) circuit applications
- Diameter 5.08mm, after coating 5.33mm - Inner diameter 2.24mm, after coating 1.98mm - Height 1.78mm, after coating 2.03mm - Weight: (approximately) 0.13g - Coating type: Parylene C over Red/Clear - Permeability (reference value): 10 - AL value: 2.5 High-frequency (RF) circuit applications
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  1. Featured Products
    High-frequency toroidal core [T20-6]High-frequency toroidal core [T20-6]
    overview
    - Diameter 5.08mm, after coating 5.33mm - Inner diameter 2.24mm, after coating 1.98mm - Height 1.78mm, after coating 2.03mm - Weight: (approximately) 0.13g - Coating type: Parylene C over Red/Clear - Permeability (reference value): 8.5 - AL value: 2.2
    Application/Performance example
    High-frequency (RF) circuit applications
    High-frequency toroidal core [T25-2]High-frequency toroidal core [T25-2]
    overview
    - Color: Red - Diameter 6.48mm, after coating, 6.86mm - Inner diameter 3.05mm, after coating, 2.67mm
    Application/Performance example
    For high-frequency (RF) circuit applications
    High-frequency toroidal core [T20-2]High-frequency toroidal core [T20-2]
    overview
    - Diameter 5.08mm, after coating 5.33mm - Inner diameter 2.24mm, after coating 1.98mm - Height 1.78mm, after coating 2.03mm - Weight: (approximately) 0.13g - Coating type: Parylene C over Red/Clear - Permeability (reference value): 10 - AL value: 2.5
    Application/Performance example
    High-frequency (RF) circuit applications