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vertical_bobbin [2023/06/17 22:16] – created - external edit 127.0.0.1vertical_bobbin [2023/09/05 14:49] (current) stan_zurek
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 +====== Vertical bobbin ======
  
 +|< 100% >|
 +| //[[user/Stan Zurek]], Vertical bobbin, Encyclopedia Magnetica//, \\ @PAGEL@  |
 +| //[[/wiki/reviewed]] by [[user/Jeff Jones]], 2015-01-08 // |
 +
 +
 +**Vertical bobbin** or **vertical coil former** - a type of [[bobbin]] designed to be fixed in a vertical position (axis of the core with respect to the board), rather than the more commonly used [[horizontal bobbin|horizontal version]]. These bobbins are typically used for [[electronic transformer|electronic transformers]] mounted on a [[PCB]] which has limited board space. 
 +
 +Such vertical transformers are taller, however, they have a smaller [[footprint]] enabling PCB designers to utilise PCB space for other components.[([[http://preview.insidepenton.com/digitaleditions/PET0710.pdf|Charles R. Wild, Keep Core Geometry In Mind When Designing Transformers, Power Electronics Technology, July 2010, Vol. 36, No. 7, p. 19]])] Conversely, horizontal bobbins may be preferable if height is limited. Designs such as [[EFD]] or [[planar]] offer very low height profiles if required.
 +
 +{{page>insert/paypal}}
 +
 +===== Vertical mounting =====
 +The name "vertical bobbin" applies to a construction in which the bobbin is attached directly to a PCB. In some cases the bobbin is used only as a [[coil former]] and not for mechanical attachment to the mounting board.  
 +
 +Vertical mounting is used also for devices without bobbins, for instance in smaller chokes, where the [[winding]] is directly soldered to a PCB.
 +
 +===== Gallery =====
 +
 +<box 30% left #f0f0f0>
 +Vertical bobbin [[ETD44]] 
 +[[file/etd_vertical_bobbin_magnetica_jpg|{{etd_vertical_bobbin_magnetica.jpg}}]]
 +{{page>insert/by_SZ}}
 +</box>
 +
 +<box 30% left #f0f0f0>
 +A transformer made with a vertical bobbin, soldered into a [[PCB]]
 +[[file/transformer_flux_band_magnetica_jpg|{{transformer_flux_band_magnetica.jpg}}]]
 +{{page>insert/by_SZ}}
 +</box>
 +
 +<box 30% left #f0f0f0>
 +[[RM core|RM cores]] are usually designed for vertical mounting
 +[[file/rm8_core_3h1_a250_magnetica_jpg|{{rm8_core_3h1_a250_magnetica.jpg}}]]
 +{{page>insert/by_SZ}}
 +</box>
 +
 +<WRAP clear></WRAP>
 +
 +<box 30% left #f0f0f0>
 +Vertically mounted [[choke]] (without any bobbin)
 +[[file/choke_magnetica_jpg|{{choke_magnetica.jpg}}]]
 +{{page>insert/by_SZ}}
 +</box>
 +
 +
 +
 +<box 30% left #f0f0f0>
 +Vertically mounted [[choke]] wound on a [[drum core]]
 +[[file/inductor_on_a_drum_core_magnetica_jpg|{{inductor_on_a_drum_core_magnetica.jpg}}]]
 +{{page>insert/by_SZ}}
 +</box>
 +
 +<box 30% left #f0f0f0>
 +[[Horizontal bobbin]] [[ETD44]]
 +[[file/transformer_etd44_160w_magnetica_jpg|{{transformer_etd44_160w_magnetica.jpg}}]]
 +{{page>insert/by_SZ}}
 +</box>
 +
 +===== See also =====
 +  *[[Horizontal bobbin]]
 +  *[[Bobbin]]
 +
 +===== References =====
 +~~REFNOTES~~
 +
 +{{tag>Electronic_transformers Bobbins Counter}}
vertical_bobbin.txt · Last modified: 2023/09/05 14:49 by stan_zurek

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