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Description
FERROXCUBE E22/6/16/R-3F3 Transformer Cores, Planar E Core, Planar E, E22, 3F3, 26.1 mm, 78.5 mm�The E22 6 16 R 3F3 is a Planar E Ferrite Core, E22 6 16 R core size, 3F3 grade. Planar magnetics offer an attractive alternative to conventional core shapes when a low profile of magnetic device is required. Basically this is a construction method of inductive components whose windings are fabricated using printed circuit tracks or copper stampings separated by insulating sheets or constructed from multilayer circuit boards. These windings are placed
The E22/6/16/R-3F3 is a Planar E Ferrite Core, E22/6/16/R core size, 3F3 grade. Planar magnetics offer an attractive alternative to conventional core shapes when a low profile of magnetic device is required. Basically this is a construction method of inductive components whose windings are fabricated using printed circuit tracks or copper stampings separated by insulating sheets or constructed from multilayer circuit boards. These windings are placed in low profile ferrite EE- or E-PLT combinations. Planar devices can be constructed as stand alone components or integrated into a multilayer mother board with slots for the ferrite E-core. The Ferroxcube range of planar E cores are all made from press tooling. This gives the advantage of radiused corners and edges. It also means that clamp recesses can be incorporated.
- Low profile construction
- Low leakage inductance
- Excellent repeatability of parasitic properties
- Ease of construction and assembly
- Excellent thermal characteristics, easy to heatsink
Applications
Communications & Networking, Imaging, Video & Vision, Lighting, Automation & Process Control
Product details
| Ae Effective Cross Section Area | 78.5mm� |
| Effective Magnetic Path Length | 26.1mm |
| Core Material Grade | 3F3 |
| Core Type | Planar E |
| Product Range | E Series |
| For Use With | - |
| Inductance Factor Al | 5�H |
| Core Size | E22 |
Other details
| Brand | FERROXCUBE |
| Part Number | E22/6/16/R-3F3 |
| Quantity | Each |
| Technical Data Sheet EN |
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4.6 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 3
Functional but theres size discrepancy
Color: Black, Color: Black
I received this PU leather valet tray and it looks mostly like the photos. The stitching and brass buttons look clean, and setup is easy since you just snap the corners together.
The color appears more matte than expected and the surface texture feels fairly flat.
I also measured the tray and the dimensions differ from the listing. The product page states 9.4 × 7.8 × 1.9 inches, but the one I received measures about 8 3/8 × 7 × 2 inches.
Functionally, it works well for holding small items and seems scratch-resistant as advertised. It is a decent tray, but the size difference and material finish keeps it from being a 5-star product.
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Good quality and sturdy valet tray. Very soft surface texture that grips items nicely.
Color: Black, Color: Black
This valet tray is beautiful, especially for faux leather. It’s so super soft to the touch, and a great option to hold items that could easily slip or slide around. The texture has a nice way of gripping items in order to keep them in place, even with the sides down. Although having sides up certainly keeps things contained better. It also feels sturdy and very good quality. The buttons on the sides are not only attractive, but they are easy to snap and remain in place perfectly. This is a nice touch to any room, even decorative despite any slight mess it might contain within. I’m personally using it for a few medications and serum bottles on my nightstand. I highly recommend to anyone looking to make a messy space a little more attractive.
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Reviewed in the United States on March 20, 2026
★★★★★ 5
Great quality and perfect for everyday use
Color: Brown
I wasn’t expecting much from this valet tray, but it turned out way nicer than I thought. The PU leather looks classy and feels sturdy, and the stitching is clean with no rough edges. I keep it on my nightstand for my watch, keys, and phone, and it’s made my mornings less hectic because everything is in one place now. The sides snap together firmly, so it holds its shape well but can also be flattened for travel. The brown color fits nicely with my desk and dresser too. It’s a simple item, but very practical and looks more expensive than it really is.
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Nice personal organizer
Color: Brown, Color: Brown
Perfect size for my entry table. I love having something I can throw my keys and wallet and glasses in and I always know where they are. This looks great. I love how the leather side snap together to make it into a tray. I also really like the included keychain that came with it. It is great for my personal organization for the price I consider it an excellent value
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Extremely helpful keeping remotes in order
Color: Blue, Size: Small
Nice quality remote control holder, makes it easy to find what you need, organized life is an easier life to live ! Great price too and it looks good ! This was a great little buy, I brought one for my Mom and another for the guest bedroom.
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Reviewed in the United States on December 18, 2025