When we communicate with customers, we will find that customers have different requirements for usb cable. Sinodec Industrial Co., ltd. is a professional Chinese manufacturer of USB data cable production and wholesale. We can provide customized USB charger cable according to customers' needs. Meet the needs of usb wire for different products and scenarios.
Today we will talk about some parameters that are often mentioned in the usb cable data. For example, the full name of OD and SR of USB charger cord. OD is Outside Diameter, SR is strain relief. It is used to eliminate the stress of the wire and prevent the wire joint. Core wire is broken, metal, rubber or PVC material, different strength, used for different USB wires, high quality SR has four-direction slit (90 degrees or 180 degrees), compared with the old two-way 180 degree ring cutting, the function is good.
SR means that a positioning buckle should be formed at both ends of the USB cable. For example, at the end of the plug, it can be called SR. After the wire is welded between the wires, it can also be called SR, that is, a wire should form a fixed thing. Figure provided below for your reference.