Fischer Core Series

Posted on 11 December 2025

With more than 20,000 standard circular connectors and highly customizable contact configurations, the Fischer Core Series offers an extremely versatile variety of high-performance push-pull connectors

ANY SIZE | ANY CONFIGURATION | ANY APPLICATION

Rugged, reliable, sealed or hermetic, lightweight and compact. The Fischer Core Series is trusted by technology-driven industries worldwide, from medical, defense and industrial automation, to test & measurement equipment.

Key features

High-performance and robust

• High sealing performances for vacuum and underwater applications
• Operating temperatures from -70 °C to +250 °C
• Chemical resistance and sterilization proof
• Corrosion resistance
• Up to 10,000 mating cycles

Wide product choice

• Large number of configurations
• Low/high voltage, coax/triax, hybrid versions
• Lightweight aluminum and plastic versions
• Disposable versions

Core series overview