Horizontal Orientation for Efficient Board Layout
The DC-143 mounts horizontally, which makes it well-suited for devices with low-profile enclosures such as power adapters, set-top boxes, and networking hardware. This configuration allows the connector to sit flat against the PCB, minimizing its contribution to overall assembly height. The side-entry design also offers advantages in cable routing and can simplify the mechanical integration of the DC jack into the final product enclosure. Compatibility with wave soldering supports efficient high-volume assembly.
Electrical and Mechanical Design
Rated for 30V and 3A, the DC-143 is designed to meet the power input requirements of common consumer and networking electronics. The phosphor bronze terminals provide reliable contact pressure and good fatigue resistance, supporting repeated plug insertion and removal. The H65 brass body offers mechanical stability and contributes to the connector's overall durability. Silver or gold plating on the solder pins reduces surface contact resistance and provides a protective layer against environmental oxidation, helping to preserve long-term electrical integrity.
Quality Control and Regulatory Compliance
Quality management for the DC-143 is structured around a complete production control system. Incoming materials are inspected, production lines are monitored through routine checks, and semi-finished products are sampled at regular intervals. Finished units undergo 100% visual inspection and electrical testing before packaging. A final pre-shipment inspection is also performed. The in-house quality laboratory is equipped with testing instruments including key life testers, load curve analyzers, salt spray chambers, and vision measuring systems to validate product performance against established criteria. The product complies with RoHS requirements and SGS certification standards.
Order Support and Custom Engineering
The DC-143 is a standard product with an MOQ of 10,000 pieces and a typical production lead time of 15 days. Customers can request progress updates through photos or videos during production, inspection, or packaging. For custom requirements, the engineering team can assess feasibility based on 2D or 3D technical drawings, with sample development taking up to 30 days. The product is packed in export-grade materials and supports EXW and FOB trade terms with a 30% deposit and 70% balance payment structure.

Product Specifications
|
Parameter |
Specification |
|
Interface Specification |
5.5mm outer barrel, 2.1mm inner pin |
|
Mounting Type |
Right Angle DIP |
|
Number of Pins |
3P |
|
Electrical Rating |
DC 30V / 3A |
|
Body Material |
Phosphor bronze terminal / H65 brass |
|
Surface Plating |
Silver or gold-plated solder pins |
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