What is a CF Card Connector?
A CF Card Connector (CompactFlash Card Connector) is a physical interface socket specifically designed for CompactFlash memory cards. It features a standard 50-pin configuration and was widely used in early high-end digital cameras, industrial computers, PLC controllers, and embedded storage devices.
Specifications and Structural Features
- Pins and Data Transmission
Uses a 50-pin configuration and supports True IDE mode or memory card mode, providing a stable electrical interface. - Card Types
- Type I: 3.3 mm thick and the most common specification.
- Type II: 5.0 mm thick and formerly used in Microdrives or other specialized devices.
- Form Factor and Ejection Mechanism
Available in right-angle or vertical configurations and often equipped with a push-rod ejector mechanism to facilitate safe insertion and removal of memory cards.
Main Applications
- Industrial and Automation Equipment
Used in industrial PCs (IPCs), machine tools, CNC equipment, and PLCs as a reliable storage medium for firmware and data logs. - Legacy Photography Equipment
Served as a standard storage interface for high-resolution photographs in early digital single-lens reflex (DSLR) cameras. - Alternative Storage Solutions for Embedded Systems
Often used with adapter boards, such as CF-to-IDE adapters, to emulate a hard drive in older computers or embedded systems.
Where to Buy CF Card Connectors
CF Card Connectors are a legacy product. Taiwanese manufacturers Chun Chi Industrial Co., Ltd. and Anytronic Corporation Limited have been producing CF Card Connectors since 1988. Products are available in LCP and PBT materials, with a wide range of configurations and specifications.
CF Card Connectors are widely used in laptop computers, industrial automation equipment (PLC and CNC systems), CNC machinery, digital cameras, and various other electronic devices.
Introduction to CF Card Connector Specifications and Component Names


