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Printed circuit board connectors, also known as PCB terminal blocks, pin headers, or board-to-board connectors, are essential components for establishing reliable electrical connections on printed circuit boards. These connectors come in various pitches (e.g., 2.54 mm, 3.5 mm, 5.08 mm), numbers of poles (2P to 24P or more), and termination metho...
Printed circuit board connectors, also known as PCB terminal blocks, pin headers, or board-to-board connectors, are essential components for establishing reliable electrical connections on printed circuit boards. These connectors come in various pitches (e.g., 2.54 mm, 3.5 mm, 5.08 mm), numbers of poles (2P to 24P or more), and termination methods such as screw clamp, spring clamp, or push-in technology. Rated currents typically range from 2 A to 20 A, with voltage ratings up to 600 V depending on the design. They are available in horizontal or vertical orientations, with or without locking mechanisms, and can be pluggable or fixed. Materials include high-temperature thermoplastics for the housing and copper alloys for the contacts, often with tin or gold plating for corrosion resistance.
These connectors are widely used in industrial automation, power supplies, control systems, building automation, and telecommunications equipment. They are found in PLC modules, frequency drives, I/O systems, and distribution boards where secure and modular wiring is required. Their compact design allows for high-density connections in confined spaces, making them ideal for DIN-rail mounted devices and panel wiring.
Key subcategories include pluggable PCB connectors (e.g., MSTB, MC, and FK series), fixed PCB terminal blocks (e.g., MKDS, MKKDS), and board-to-board connectors. Common article codes follow patterns like 1757241 (Phoenix Contact MSTB 2.5/2-ST) or 1924107 (Weidmüller BL 3.5/2). These codes often encode pitch, number of poles, and termination type. For example, a code like 1757241 indicates a 2-pole pluggable connector with 5.08 mm pitch.
At Electric Automation Network, we offer a comprehensive range of PCB connectors with real-time pricing, technical datasheets, and global express shipping. Our engineering team provides personalized support for selection, compatibility, and application-specific requirements, ensuring optimal performance in your designs.
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