XA CONNECTOR 2.5mm pitch / Disconnectable Crimp style connectors

Category: Connectors, Electronics, Jst Mfg Co Ltd

Overview

The datasheet provides information on the XA CONNECTOR series, which are 2.5mm pitch disconnectable crimp style connectors. These connectors are designed for wire-to-board connections, featuring secure locking devices, low insertion forces, and solder crack prevention materials. They are also suited for automatic board mounting machines and include features like an insertion guide mechanism and a polarizing boss to ensure correct connection orientation.

Electrical Specifications

Key electrical specifications include a current rating of 3A AC/DC for wires sized AWG #22 and #20, and a voltage rating of 250V AC/DC. The connectors operate within a temperature range of -25°C to +85°C, accommodating temperature rise during electrical current flow. Initial contact resistance is specified as 10mΩ maximum, which may increase to 20mΩ maximum after environmental testing. Insulation resistance stands at a minimum of 1000MΩ. They can withstand up to 1000V AC for one minute. These connectors are also RoHS compliant.

Mechanical and Material Design

The connector series includes secure locking mechanisms to prevent accidental disconnection and uses materials that help prevent solder cracks during soldering. A low force is required to insert the connector, and it contains an insertion guide to facilitate correct and easy assembly. Moreover, these components are designed to work with automatic board mounting machines for efficient manufacturing processes. They also feature a polarizing boss to prevent incorrect mating with the circuit board.

Standards Compliance and Recognition

These connectors have received recognition and certification according to standard regulatory bodies. They are UL Recognized (E60389) and CSA Certified (LR20812).

Applicable Use and Compatibility

These connectors can be used with a range of wire sizes from AWG #28 to #20 and are compatible with PCBs (Printed Circuit Boards) that have a thickness of 0.6mm. For those intending to use these connectors, it’s advised to refer to “General Instruction and Notice when using Terminals and Connectors” found at the end of the catalog. For specific details, such as hole dimensions and PCB layout considerations, contacting JST (Japan Solderless Terminal) directly is recommended.

Dimensions and Tolerances

Important notes regarding dimensions and tolerances are addressed, clarifying that tolerances are non-cumulative and set at ±0.05mm for all centers. Hole dimensions are not standardized and should be adjusted based on the type of PCB and piercing method; the guidelines provided should be used for reference only. Details of dimensions for different types of mounting, such as top and side entry, are provided, and specific dimensional references are available in the Model No. chart of the header side entry type outlined in the datasheet.