Nuvotem Talema, Crolly, Letterkenny, Co. Donegal, Ireland.
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Toroidal Power Transformers
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Nuvotem Talema offer a wide range of standard power transformers, which may be categorised as follows :
Open Wound - 230V Primary, Dual Secondary, 15VA to 1000VA Open Wound Toroidal Power Transformer with dished mounting disc
Open Wound - 2x115V Primaries, Dual Secondary, 15VA to 1000VA Open Wound Toroidal Power Transformer with dished mounting disc
Mini Open Wound - 0-115-230V Primaries, Dual Secondary, 1.6VA to 50VA Mini Open Wound Toroidal Transformers
Mini Open Wound - 2x115V Primaries, Dual Secondary, 1.6VA to 50VA Mini Open Wound Toroidal Transformers
Encapsulated - 230V Primary, Dual Secondary, 15VA to 500VA Open Wound Toroidal Power Transformer with dished mounting disc
PCB Mounting - 2x115V Primary, Dual Secondary, 1.6VA to 50VA Toroidal power transformers for PCB mounting
PCB Mounting - 2x120V Primary, Dual Secondary, 1.6VA to 50VA Toroidal power transformers for PCB mounting
PCB Mounting - 115V or 230V Primary, Dual Secondary, 35VA to 160VA Larger Toroidal power transformers for PCB mounting
Low Voltage Lighting Transformers, 230V Primary, 11.8V Secondary Open Wound Low Voltage Lighting Toroidal Power Transformers with dished mounting discs
Control Panel Transformers - 230V/400V Primary, centre-tapped secondaries Control Panel Toroidal Power Transformers for vertical mounting
Toroidal Transformers for DIN Rail Mounting Toroidal Power Transformers for DIN Rail mounting

What is a Toroidal Transformer

Toroidal inductors and transformers are components in electronics, typically consisting of a circular ring-shaped magnetic core of Silicon Steel, iron powder, ferrite, or other material around which wire is coiled to make an inductor.
Toroidal coils are used in a broad range of applications, such as high-frequency coils and transformers.
Toroidal inductors can have higher Q factors and higher inductance than similarly constructed solenoid coils.
This is due largely to the smaller number of turns required when the core provides a closed magnetic path. The magnetic flux in a toroid is
largely confined to the core, preventing its energy from being absorbed by nearby objects, making toroidal cores essentially self-shielding.

In the geometry of torus-shaped magnetic fields, the poloidal flux direction threads the "donut hole" in the center of the torus,
while the toroidal flux direction is parallel the core of the torus.

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