PJ-002B from CUI Inc. is a barrel-type power connector used in designs that need a dependable DC power interface between an external adapter and internal circuitry. Components in this category are commonly selected for consumer electronics, embedded systems, development platforms, industrial control assemblies, and serviceable power-entry designs where straightforward mating and replacement are important. Engineers often consider this style of connector when balancing cost, usability, and broad adapter compatibility in low-voltage power architectures. For sourcing and maintenance planning, the listed lifecycle status for PJ-002B is unknown, so teams should confirm current production status directly with CUI Inc. or authorized channel partners before locking it into new designs. RoHS compliance information is also not available from the provided data. Because environmental compliance requirements can affect qualification and shipment, engineers and procurement teams should verify the latest RoHS and related material declarations through official datasheets or manufacturer documentation.