Precision Test &
Connectivity Solutions
Trusted by the world's leading power module manufacturers since 1962. Custom Kelvin Contacts, Test Sockets, and Burn-in solutions.
Our Expertise
Tooltronics specializes in high-current, low-resistance testing solutions. We design and manufacture custom hardware to meet the most demanding testing conditions.
Kelvin Contacts
Precision 4-wire measurement contacts designed to eliminate lead resistance errors. Ideal for high-accuracy DC-DC converter testing.
Learn more →Test Sockets
Custom and standard sockets for Burn-in, SIP, DIP, and SMT applications. Engineered for durability and high insertion counts.
View catalog →Custom Design
Need a specific solution? Our engineering team uses advanced CAD to design fixtures tailored to your unique device geometry.
Our services →