High Power Semiconductors

Specialist Electronic Semiconductor Suppliers

Welcome to Harmsworth, Townley & Co. Ltd:  Specialist providers of High Power Semiconductors to the power rectification industry for 70 years.

Whether you need spares, repairs, maintenance, breakdown response, refurbishment, OEM – or are just in need of a part quickly– we can help you. We provide a fast-response service in case of breakdown, send goods worldwide and even offer a same-day delivery for emergency breakdowns.

Our bespoke service is very popular – creating components to fit your requirements. We often provide modern equivalents of obsolete/no longer manufactured devices – whether it’s for on those off-shore oil rigs or keeping underground trains running!

Customers from countries outside the UK & Europe

Customers in the UK & Europe can buy products from this website and have them delivered directly to them.

If you are based outside the UK & Europe and wish to purchase products from us please contact us with the details of the products you wish to purchase and your location. We’ll get back to you with a delivery cost for your desired order.





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