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Home » Products » 1.27 DualRow 2F, SMT U-type, Female Headers

1.27 DualRow 2F, SMT U-type, Female Headers


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How does one go about selecting a connector that is sufficient for their design?2022-11-16T09:06:18+00:00

Items to be considered include connector performance, routing efficiency, and pin density. For more information, feel free to contact us.

How do we address the question, “Will this connector work in my design”?2022-11-16T09:05:56+00:00

The following information about your application will help determine if a connector system can meet the signal integrity requirements: – System Topology: point-to-point, multi-drop, point-to-many-point, Star, etc – Termination Type: Parallel (one/both ends), Products, Active, RC, none – Clocking/Data Recovery: synchronous, asynchronous, source synchronous, CDR – Signaling Type: Single-Ended or Differential – Data Encoding: Binary, PAM-2, PAM-4, etc – Signal Technology: examples include LVTTL, SSTL-2, Rambus, LVDS, PECL, CMOS, GTL+ – Signal Data Rate: specified in Mbps or Gbps – Signal Edge Rate: specify 10/90 or 20/80 – System Impedance – specified in ohms along with tolerance (e.g., +/- 10%) – Crosstalk Requirements: specified at receiver (in % of voltage swing or dB) – Skew to make educated recommendations.

Does the stack height of the connector make a difference in its speed?2022-11-16T09:05:30+00:00

Always choose the shortest connector that can do the job. The shorter the connector, the shorter period of time for reflections and crosstalk to act, and the better the signal quality.

What is the optimal signal-to-ground ratio?2022-11-16T09:04:52+00:00

A signal-to-ground ratio of 1:1 is usually optimal, but for connectors with large pin arrays signal-to-ground rations of less than 1:1 may be required for reliable high speed single-ended operation.

Will Sinrui provide a formal RoHS CoC (Certificate of Compliance) for their products?2022-11-16T09:04:33+00:00

Yes, upon request, Sinrui will provide a formal CoC. Please provide Company name and address as well as Company contact and contact information of the person requesting the CoC along with valid Sinrui part numbers to our General Technical Support Group.

Is Sinrui’s gold plating always lead-free and RoHS compliant?2022-11-16T09:03:43+00:00

Yes, Sinrui’s gold plating is always lead-free and RoHS compliant (pre-plated or in house plated).

What advantages do Waterproof circular connectors bring?2022-11-16T09:02:52+00:00

First, Contact resistance.

This is a waterproof round ConnectorFor the performance of common electrical equipment, the contact resistance of high-quality connectors should be relatively stable. Generally speaking, the change of resistance ranges from a few milliohms to tens of milliohms.

Second, the insulation resistance of waterproof plug.

Waterproof round ConnectorThe insulation resistance is also one of the main indexes of its electrical performance. Insulation resistance can measure the insulation performance between the contact parts of the connector and the shell. In industry regulations, the insulation range ranges from hundreds of megaohms to thousands of megaohms.

In addition, the waterproof circular connector also has reflection coefficient, characteristic impedance, current and other coefficients, characteristic impedance, current and so on.


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