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D-Sub Connectors

D-Sub connectors are a family of electrical connectors defined by their unique shape. The male pins are arranged in a D-shape and the female sockets are arranged in a shallow U-shape (“D” and “U” respectively). Commonly referred to as “D-Subs” for short, they are primarily used in high density applications due to the ability to fit larger numbers of contacts in a compact space.

L77TWB21W1S Application Field and Working Principle

The L77TWB21W1S is a type of D-Sub connector that is ideal for industrial applications. It is a female connector that comes in a short body size and has 9 female contacts arranged in a 9-Pin U-shape. The contacts are made of 100% phosphor bronze and plated with gold for high conductivity and low resistance. The connector also has alumina ceramic insulation for better dielectric performance and stability.

The L77TWB21W1S features a precise machined pin to ensure the highest quality connection. It is compatible with standard 0.25” spaced male connectors and has an operating temperature range of -30 to +85 degrees Celsius. This allows it to be used in a wide range of applications including PCBs, power supplies, and electronic controls.

The L77TWB21W1S has an IP67 rating which makes it waterproof and dustproof. This level of protection makes it suitable for use in outdoor industrial applications. Its terminal strength is 5-7N and its contact resistance is 10mΩ. This ensures a reliable connection even when there are high levels of vibration. In addition, its resistance to corrosion and oxidation makes it suitable for use in high humidity or corrosive environments.

The L77TWB21W1S is designed to transfer electrical signals with minimal losses. It achieves this by featuring precise machined pins and terminal blocks that reduce resistance. It can also be used for transmitting power with a voltage rating of 250V AC/DC. To ensure a safe connection, the L77TWB21W1S is UL, TUV, CE, and RoHS approved.

Overall, the L77TWB21W1S is an ideal choice for industrial applications. It is a high-quality connector that offers dependable performance and long-term reliability. Its easy to install design makes it suitable for even the toughest applications. With its robust design and wide temperature range, the L77TWB21W1S is a great choice for reliable signal and power transfer in any environment.

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