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Item #:
4217711
FT-140-43 Ferrite Toroid Core - Amidon | 43 Material
Item #:
4217711
AED 49
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What Stands Out
High Permeability
The FT-140-43 ferrite toroid core offers high permeability, ensuring efficient magnetic performance and reducing energy loss during operation, ideal for RF and power applications.
Versatile Applications
Specifically designed for inductors and transformers, this toroid core supports a wide range of electronic applications, addressing diverse needs in both hobbyist and professional projects.
Compact Design
Its compact and lightweight design allows easy integration into circuits without adding significant bulk, making it a perfect choice for space-constrained electronic devices.
Product Details
- FT-140-43 ferrite toroid core by Amidon
- Made with 43 material for superior performance
- Ideal for applications requiring high permeability
- Suitable for use in transformers, inductors, and filters
- Provides excellent magnetic properties
- Durable and reliable construction for long-lasting use
| Country of Origin | This item will be imported from US |
| Item Weight | 0.4 lbs (180 grams) |
| What is in the box | FT-140-43 Ferrite Toroid Core... For more details, please check description/product details |
Who Should Buy?
-
RF Engineers
Ideal for RF engineers designing circuits needing high-frequency inductors with low loss characteristics.
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DIY Electronics
Perfect for hobbyists and DIY enthusiasts crafting custom inductors for various projects requiring ferrite cores.
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Educational Purposes
Useful in educational settings for teaching principles of magnetics and inductance using practical components.
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High-Power Applications
Not suitable for applications requiring handling of high power levels due to core saturation issues.
Product Description
FT-140-43 Ferrite Toroid Core - Amidon | 43 Material
About This Item
If you're in need of a reliable toroid core for your electronic project, look no further than the FT140-43 Ferrite Toroid Core. This high-quality core from Fair-Rite has an inductance (AL) of 885 +/- 20% uH, which makes it ideal for a range of applications such as wideband transformers between 5 - 400 MHz, power transformers ranging from 0.5 - 30 MHz, and RFI suppression between 5 - 500 MHz. Measuring at 1.400 inches (35.55 mm) in outer diameter, with an inner diameter of 0.900 inches (23.0 mm) and a height of 0.500 inches (12.7 mm), this toroid core will fit perfectly for your project. Designed to be used with bulk packaging, not in retail packaging, this toroid core is a cost-effective solution for your electronic needs. Count on the FT140-43 Ferrite Toroid Core to provide reliable and stable performance for your project.
Get your hands on the perfect toroid core for your needs today, exclusively available on Ubuy.
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Customer Questions & Answers
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Question:
What is the FT-140-43 Ferrite Toroid Core made of?
Answer: The FT-140-43 Ferrite Toroid Core is constructed from 43 material, also known as high-permeability ferrite. This composition is specifically designed to provide excellent magnetic properties, making it ideal for a variety of applications, such as radio frequency circuits and power supplies. Its high permeability allows for efficient energy transfer and minimizes losses, which is crucial in circuits where precision is key. Users benefit from better performance in inductors, transformers, and noise filters. -
Question:
What applications are suitable for the FT-140-43 Ferrite Toroid Core?
Answer: The FT-140-43 Ferrite Toroid Core is widely utilized in applications like RF amplifiers, switching power supplies, and electronic filters due to its high magnetic permeability. It plays a critical role in minimizing electromagnetic interference (EMI) and helps to ensure optimal signal integrity in communication devices. Additionally, it's perfect for DIY electronics enthusiasts looking to build custom inductors and transformers, as its design facilitates compact construction. -
Question:
How does the FT-140-43 compare to other ferrite cores?
Answer: Compared to other ferrite cores, the FT-140-43 offers superior magnetic performance due to its specific 43 material composition. This results in higher inductance and reduced core losses, making it particularly advantageous in high-frequency applications. While other ferrite materials may perform adequately in low-frequency situations, the FT-140-43 excels in environments where efficiency and reliability are paramount, such as in RF applications and power electronics. -
Question:
Can the FT-140-43 Ferrite Toroid Core be used for high-frequency applications?
Answer: Yes, the FT-140-43 Ferrite Toroid Core is highly suitable for high-frequency applications. Its unique properties allow it to maintain performance without significant losses across a range of frequencies, making it an excellent choice for RF and microwave design projects. Engineers and hobbyists alike utilize this core for creating inductors and transformers that need to efficiently handle higher frequencies without compromising on performance or quality. -
Question:
What are the dimensions of the FT-140-43 Ferrite Toroid Core?
Answer: The FT-140-43 Ferrite Toroid Core has a core size with an outer diameter of approximately 1.4 inches and a height of about 0.43 inches. This compact size allows for easy integration into various electronic circuits. Its dimensions facilitate the creation of inductors or transformers that fit within tight spaces while providing ample magnetic coupling, making it ideal for both professional engineers and hobbyists looking for versatile components. -
Question:
How is the FT-140-43 Ferrite Toroid Core installed in a circuit?
Answer: Installing the FT-140-43 Ferrite Toroid Core in a circuit involves wrapping insulated wire around the core to form an inductor or transformer. The number of turns, as well as the gauge of the wire, can be adjusted according to the desired inductance value. This flexibility allows users to tailor the core to their specific application needs. It's a perfect solution for those who want to build custom electronics or improve existing designs. -
Question:
What is the temperature range for the FT-140-43 Ferrite Toroid Core?
Answer: The FT-140-43 Ferrite Toroid Core operates effectively within a temperature range typically between -40°C to 130°C. This thermal resilience makes it suitable for various environments, from consumer electronics to industrial applications. When designing circuits that may encounter varying temperatures, this core type ensures consistent performance and reliability, making it a dependable choice for engineers and DIY enthusiasts alike. -
Question:
Is the FT-140-43 suitable for DC applications?
Answer: While the FT-140-43 Ferrite Toroid Core is primarily designed for AC and RF applications, it can be utilized in DC applications as well, particularly in resonant or pulse circuits. However, users should take care to evaluate current levels, as excessive DC bias can lead to saturation. For those who need versatility, this core provides the flexibility to be integrated into both AC and certain DC applications, enhancing its practicality. -
Question:
Where can I buy FT-140-43 Ferrite Toroid Core - Amidon | 43 Material in UAE?
Answer: You can buy the FT-140-43 Ferrite Toroid Core from Ubuy, which offers a wide range of electronic components and tools. Ubuy is known for its reliable delivery and customer service, making it an excellent choice for sourcing quality electronics online. Be sure to check their website for the availability of the FT-140-43 and explore additional products that may be useful for your next project.
Fair-Rite Ferrites Editorial Review
The Faur-Rite Brand FT140-43 is a ferrite toroid core used to create baluns for the purpose of matching impedance and reducing unwanted RF noise in antennas. This product is manufactured in China and has been used to construct baluns of various ratios up to 49:1, ununs, and RF chokes for portable and field operations. The maximum power that the FT140-43 can handle depends on the number of turns and the field strength generated by the coil. Overall, customers have had a positive experience with this product. It arrives quickly and is well-packaged. Many have successfully used it to construct various types of baluns and antennas, reporting improved signal strength and acceptable SWR. It has also been used successfully as an RF choke for computers and USB cables. However, some customers have reported that the OD is smaller than advertised and too small for their intended project, and one customer reported that the item was chipped upon arrival.
Customer Reviews & Ratings
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Pros
- Quick delivery
- Well-packaged
- Successfully used for various types of baluns and antennas
- Successfully used as an RF choke for computers and USB cables
Cons
- OD is smaller than advertised for some customers
Platform Trust & Buyer Confidence
HB
Haitham
Verified buyer
“Excellent experience”
11 June 2026 · via Trustpilot
RF
Rasanga
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“I had an excellent experience with Ubuy UAE. I ordered a product from the USA, and the website clearly mentioned that deliveries might be delayed due to the current situation in the Middle East. Despite that, my order arrived in just one week, which exceeded my expectations. The shipment was handled by DHL, and the entire delivery process was smooth, fast, and hassle-free. The package arrived in perfect condition with no issues at all. What impressed me the most was the pricing. The product was significantly cheaper than ordering the same item directly through Amazon USA and shipping it to the UAE, where I would have had to pay higher delivery charges and additional customs fees. Ubuy provided great value, transparent communication, and reliable delivery. Based on my experience, I would definitely use them again and highly recommend them to anyone in the UAE looking to purchase products from overseas. Thank you, Ubuy UAE, for a fantastic shopping experience!”
17 June 2026 · via Trustpilot
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Simon
Verified buyer
“On time delivery and great product at a really great price!”
8 April 2026 · via Trustpilot
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Vladislav
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“Fast delivery. Quality as expected.”
03-Jul-26 · via Trustpilot
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“Excellent experience! The service was top-notch, reliable, and very fast. I am completely satisfied with their professionalism and highly recommend Ubuy UAE to everyone.”
02-Jul-26 · via Trustpilot
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AED 49
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Features & Benefits
- Brand: Fair-Rite
- Type: FT140-43 Toroid Core
- AL=885 +/- 20 % uH=(AL*Turns2)/1000
- Frequency range: 5 - 500 MHz
- Dimensions: OD= 1.400 in / 35.55 mm +/- 0.75 mm, ID = 0.900 in / 23.0 mm +/- 0.55 mm, Ht = 0.500 in / 12.7 mm +/- 0.50 mm
- Bulk packaging
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