Copper Strip Winding

Copper strip winding is one of AGW's key areas of expertise. Advances in ferrite material technology have led to higher frequency and higher current power supply transformers and chokes. The struggle to place enough copper into the winding window and alleviate the skin effect problem, means that winding with wide flat copper strip has become more prevalent.

AGW has vast experience in this field and has successfully overcome the problems associated with insulation, copper fill and connections. A range of machines has been specifically developed by AGW to fulfil the requirements of copper strip winding, giving maximum copper fill and allowing each bobbin size to use its full power range.

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Ferrite Transformers

AGW Electronics Ltd., has over 30years of experience manufacturing ferrite core transformers. Working alongside customers and ferrite suppliers, the company collaborates in the design of power conversion and high frequency products.

Recent developments in ferrite material specifications have enabled designers to produce more efficient transformers. AGW has developed copper foil winding techniques to exploit the full capacity of these materials. AGW produces line, power, pulse and drive transformers, used in many applications including switch mode power supplies, inverter and motor drive controllers.

Ferrite transformers can be manufactured from various shaped and sized ferrite cores that include a bobbin as part of the structure. The reference names for the core shape including E, ETD, EF, EFD, RM, PM, P (Pot), U, planar cores and toroid. Surface mount variants and other core types for specialised applications are also available. The finished ferrite transformer can have a variety of finishes or encapsulations - see FACILITIES. Contact AGW for all you ferrite transformer needs.

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Inductors & Chokes

AGW Electronics Ltd. manufactures components used as common mode chokes, EMC suppression chokes, PF chokes, switch mode power supply inductors, smoothing chokes, saturable reactors and specialist inductors. Inductors and chokes can be manufactured in toroidal or E-core style using material and sizes available from major core manufacturers including: ferrite, iron powder, amorphous iron and silicon iron laminations.

AGW's extensive facilities for toroidal winding, and specialised equipment allow winding of heavy conductor material to cope with the high currents demanded by many modern applications. This powerful combination of manufacturing capability and design, testing and finishing, ensures a complete service to the customer. Contact AGW for all your inductor & choke needs.

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Laminated Transformers

Laminated transformers can be manufactured to customer requirements from standard and specialised parts. Mains power transformers are produced in the range 1 VA to 3k VA single phase, and up to 25k VA 3 phase.

AGW also manufactures specialist transformers using nickel based or other alloy laminations. Typical applications include line matching, microphones, loudspeaker output, and military and aerospace equipment. Depending on the application, PCB or chassis mounting options are available. Contact AGW for all you laminated transformer needs.

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Planar Transformers & Planar Inductors

Planar transformers and planar inductors have certain advantages over conventional winding systems. These advantages are mainly in size and efficiency, with a typical efficiency of 98% being achieved, while their low profile makes them especially suitable for high density equipment designs. Other benefits of planar transformers and planar inductors' construction are very low leakage inductance, and minimum Electro Magnetic Interference (EMI).

AGW has developed enhanced ways to produce planar transformers, planar inductors and planar chokes. Using a system of sealing the copper plates inside a plastic envelope, insulation integrity is ensured. Another system using a winding technique similar to that used in conventional chokes and transformers, provides a cost-effective alternative. They are available in power ranges from a few Watts to several Kilowatts, and their terminations and mountings can be tailored to customer requirements. Contact AGW for all your planar transformer and planar inductor needs.

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Specialised Windings

AGW Electronics Ltd. has the capacity to design and manufacture specialised windings, and has been carrying out this type of work for more than 20 years, to suit the special requirements of the telecommunications, leisure, entertainment, measurement, defence and power industries. A further aspect of this work is our ability to replicate obsolete items for use in the service sectors of these industries.

Typically we can manufacture wave windings, self-supporting coils, high voltage windings, antenna coils and IF transformers. Our experience in using specialised materials enables us to meet our customers' requirements, with a variety of finishes and encapsulations available - see FACILITIES.

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Toroidal Transformers & Toroidal Inductors

AGW Electronics Ltd. manufactures toroidal windings, both toroidal transformers and toroidal inductors . Toroidal transformers can be manufactured in the range of 1 VA to 1k VA to suit customers' input, output and dimension requirements. AGW can assist with the design and manufacture of suppresssion chokes, common mode chokes, SMPS inductors etc., from ferrite, iron powder or amorphous iron material, supplied by major core manufacturers.

AGW has extensive manufacturing capabilities available to meet most requirements, ranging from CNC toroidal winding machines to assisted pull winding, with finishing operations which include mounting, potting and vacuum impregnation. Contact AGW for all your toroidal transformer and inductor needs.

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Manufacture & Design of PCB
& Light Electronic Assemblies