Hirose PCB Socket 20-Contact, 2 Row, 0.4 mm Pitch, Surface Mount, Straight, 30V DF40

Hirose DF40HC(3.5)-20DS-0.4V(51) is a PCB Socket from the DF40 Series featuring a straight surface mount design with 20 contacts arranged in 2 rows at a 0.4 mm pitch. This connector is specifically engineered for high-density board-to-board and board-to-FPC connections, making it well suited for compact electronic devices. It offers a reliable electrical connection with a maximum current rating of 300mA and can operate safely at voltages up to 30V.

The socket housing is made from liquid crystal polymer, providing excellent mechanical strength and thermal stability within its operating temperature range of -35°C to 85°C. Contacts are bronze with gold plating to ensure low resistance, corrosion resistance, and long-term durability. A locking mechanism with an audible click confirms secure mating, preventing accidental disconnections.

Design advantages include a low-profile 4 mm stacking height, guide ribs enabling precise self-alignment during mating with a tolerance of 0.33 mm, and shock-absorbing ribs that enhance resilience against mechanical shocks and vibrations. Nickel plated barriers protect against solder wicking effects during the surface mount soldering process. Furthermore, the housing shields contacts from dust and debris, limiting the risk of shorts and improving reliability in aggressive or contaminated environments.

These connectors are ideal for use in miniature and portable electronic products such as mobile phones, developer chipsets, LCD displays, notebook PCs, and keyboards where space savings and dependable performance are essential. The socket pairs with DF40 SMT headers for complete connector assembly solutions.

High-density, low-profile connector for space-saving PCB design. Surface mount termination type suited for automated soldering. Bronze contacts with gold plating for reliable conduction. Locking mechanism with tactile and audible assurance.

Guide ribs promote easy self-alignment during mating. Shock-absorbing structure guards against impact damage. Housing protects contacts from dust and prevents shorts. Operating temperature range from -35°C to 85°C suitable for varied environments.

Compatible with DF40 SMT headers for board interconnection. Applications include mobile phones, LCD displays, and notebook computers. This product is part of EnvMart's Electronics Components category and is ideal for electronic manufacturing, prototype development, and high-density PCB assembly projects.