TDK-Lambda Power Supplies Product Page :: The world’s leading manufacturer of switching power supply products. Lambda was founded over 60 years ago and has continued to grow on the basic principles of quality and reliability. Presently, they have unmatched global reach with manufacturing plants on nearly every continent. Additionally, TDK-Lambda is ISO 9001 certified and understands the importance of funding their R&D department in order to continue innovating and remain at the forefront of the industry. CyPower is an authorized TDK-Lambda power supply distributor--browse our online catalog to find the product(s) you are looking for.