TT Electronics is a global provider of engineered electronics for performance-critical applications, operating through its Welwyn Components division as a renowned manufacturer of high-performance resistors. The company specializes in designing and producing precision and power resistors, including surface mount, through-hole, and custom solutions for demanding industries such as aerospace, defense, medical, industrial, and automotive. With a heritage dating back to 1922, Welwyn's components are known for exceptional reliability, stability, and quality, manufactured to stringent international standards. TT Electronics leverages advanced materials technology and engineering expertise to deliver innovative solutions that meet complex customer requirements in harsh environments.