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About Us

GD Rectifiers History



GD Rectifiers is a Global Manufacturer and Distributor of products, services and solutions to commercial and industrial users of power electronic components.

Established in 1964, GD Rectifiers has over 50 years of extensive experience across a large range of markets, specialising in new and current technologies for industrial power control applications. An extensive product offering has built GD Rectifiers exceptional reputation as the go-to power specialist with innovative experience across: Aviation, Automotive, Rail, Medical, Industrial, and Electronics markets.

GD Rectifiers have extensive experience in the rail industry and are RISQS Qualified.

GD Rectifiers is a ISO 9001:2015 registered company that design and develop bespoke power semiconductor assemblies to control voltage, current and frequency for international industrial markets.



GD Rectifiers designs and manufactures selenium and silicon rectifiers, suppressors, inverters, regulators, and all other power products for Industrial power control applications. The company distributes state-of-the-art diodes, thyristors, IGBTs, and MOSFETs from the world’s leading manufacturers including: IXYS, IXYS UK Westcode, Semikron, and EDI. 

GD Rectifiers manufacture an extensive range of power components and assemblies. The company also supplies a wide range of heatsinks suitable for power semiconductors, LED lighting and similar applications. GD Rectifiers also offer a repair and replacement service for faulty or ageing semiconductor rectifiers, converters, inverters and regulators.

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GD Rectifiers Manufacturer List



GD Rectifiers is committed to ensuring the production and delivery of high quality products, we strive to provide our customers with products and services that exceed their expectations. We work with some of the world's leading manufacturers for worldwide coverage in the power electronics industry, guaranteeing the best quality at all times.

As a leading independent distributor of electronic components, we understand the importance of complying with UK and EU legislation recognised by the industry's governing bodies. Our quality procedures cover all aspects of the production and delivery stages we carry out ensuring customer satisfaction and enabling continuous improvement.

GD Rectifiers products comply with the EU directive on the Restriction of Hazardous Substances (RoHS) and we are dedicated to maintaining quality, environmental and health and safety compliance throughout our business.

The following systems and procedures are in place to support our ability to deliver unrivalled customer service and product quality:

ISO 9001:2015 - the leading quality management standard for business-to-business companies

- BS EN 60947-4-3:2014 - compliance in low-voltage switchgear and control gear, contactors and motor starters, AC semiconductor controllers and contactors for non-motor loads

- BS EN 60146-1-1:2010 - compliance in semiconductor converters, general requirements and line commutated converters, specification of basic requirements

- RISQ - the UK's rail industry supplier qualification scheme, providing a qualification and audit process

- Conflict of Minerals Regulation - we are continually working towards ensuring that we do not have Conflict Minerals sourced from Conflict Mines in our products




GD Rectifiers is proud of its experienced, friendly and innovative technical team, helping to assist customers through design and component specification phases. This is particularly useful when GD Rectifiers’ specialist product division considers a semiconductor solution. 

Providing technical support and account management 24/7, GD Rectifiers prides itself on it’s outstanding end-to-end service by working directly with customers on the design process in order to connect them to the right technology, at the right time, at the right price.



Please click the link below to view GD Rectifiers' Line Card.

                 GD Rectifiers Line Card  



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GD Rectifiers' Power Assemblies



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