TMMH-111-04-SM-DV

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Rectangular Connectors - Headers, Male Pins include a range of connectors used in a variety of electronic applications. TMMH-111-04-SM-DV is a representative product in the series. In particular, it is a surface mount male header pin used in high-speed applications.

TMMH-111-04-SM-DV has an insulated body with two rows of four 1.0 mm square pin, featuring a mating height of 1.5 mm and a nominal current rating of 1A AC/DC. It is designed to provide wire-to-board or wire-to-wire connection, and is widely used in consumer and communications applications of various electronic products, such as routers, cable boxes, modems, switches and set-top boxes. In this way, it helps engineers to save precious PCB space, and improve the overall performance.

Application Field

TMMH-111-04-SM-DV is primarily designed for high speed data transmission connections. It can be used in the field of consumer electronics, communications, instrumentation, medical and other industrial control in close space or automatic welding acceptance. Specifically, these headers are widely used in general parts, cables, automotive, and many other assembly projects. TMMH-111-04-SM-DV has a PBT insulation and is UL94V-0 ranked, making it suitable for applications in a high temperature environment. Additionally, the Gold plating with a current rating of 3A and a voltage rating of 250V AC/DC is very dependable and ensures good contact performance.

Working Principle

TMMH-111-04-SM-DV works on electromechanical principles. It offers a fast and reliable solution for wire-to-board connections. Its accurate positioning pins keep the contact resistance at a minimum and allow a high precision connection. The connector contains a barb on the inner side of the insulation to secure the contact. The constructed shape of the pins ensures that the wires are in place and cannot vibrate out of position. This in turn guarantees steady contact performance.

The TMMH-111-04-SM-DV’s dual-row design makes it easier to route the wires from the board to the connector block. It also makes it easier to manipulate the connections when needed. The terminal has two solder tail lengths. One is at the interior side of the insulation, which guarantees a positive electrical connection, and the other is at the exterior side for grounding contacts. This design ensures compatibility with different land patterns and facilitates easy mounting.

Benefits

The primary advantage of TMMH-111-04-SM-DV is its compact design. Its half-cut pin design reduces the board area by up to 90% compared to standard headers, allowing engineers to save cherished PCB space. It also enables greater control of pin-to-pin distance, allowing for higher signal density and improved performance. The header also comes with a firmly secured contact which eliminates shorting and reduces potential for contact failure or incorrect insertion.

In short, TMMH-111-04-SM-DV is a compact, reliable and cost-effective solution for modern wire-to-board applications. It is a versatile, easy-to-use product which offers excellent electrical performance and reduces PCB space and design costs. Its numerous features make it a great fit for a range of consumer electronics, communications, instrumentation, medical and industrial control applications.

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