TO-Style Test Sockets
Reliable Kelvin test sockets for TO-220, TO-247, and other transistor outline packages.
The Tooltronics TO Test Socket provides reliable electrical contact and secure mechanical support for Transistor Outline (TO) packages during testing and validation. Precision-machined components ensure accurate pin alignment and consistent contact force for repeatable results in high-cycle applications.
The socket design minimizes stress on device leads during insertion and removal while maintaining proper device orientation to reduce operator error and improve test efficiency.
Suitable for laboratory, engineering, and production environments, the TO Test Socket can be configured for various TO package styles, pin counts, and lead diameters, with custom materials and mounting options available.

Key Features
- Kelvin test socket design
- Accommodates long leads
- Long lead-in guide and support
- Customizable for various TO packages
Need a Custom Solution?
Tooltronics specializes in custom engineering. Contact our team to discuss your specific testing requirements.
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