Specialists in power semiconductor components and accessories, John G Peck Ltd offers solutions to companies working in the field of power electronics.

As distributor and agent for some of the world's leading manufacturers in this field, we supply components for such diverse applications as motor control, traction, UPS, power generation, induction heating, welding, wind-power and electric vehicles.


We continually strive to provide our customers with the highest possible level of service.  

A comprehensive range of components is held in stock and most orders are dispatched the same day.

Services offered to our customers include:
    • Buffer stock for OEM's
    • Fast response against call off orders
    • Just-In-Time deliveries
    • Same day deliveries
    • Serial number tracking
    • Bar-coded consignments
    • Vast range of products stocked for spares and servicing


The John G Peck Ltd Quality Management System is approved to ISO 9001:2015.

A copy of the certificate, issued by LRQA can be seen here


Our environmental policy includes keeping usage of energy to a minimum and recycling materials wherever possible. 

For example, the vast majority of packing materials received from suppliers are re-used.

Distributor for a wide range of power semiconductors and associated products