What the GT16G-FR Ferrule Does in the Assembly
The Hirose GT16G-FR is a tin-plated phosphor bronze ferrule from the GT16 series, finished in silver. It is an accessory — not a standalone connector — designed for use with GT16 series terminals. The ferrule slides over the crimped terminal and wire insulation to provide strain relief and a clean termination point inside the connector housing. The phosphor bronze body with tin finish offers good corrosion resistance and solderability for the crimp termination. The silver color aids visual identification during harness assembly, helping technicians confirm the correct ferrule is installed on the wire.
The GT16G-1.5DHQS is a functionally similar outer ferrule in the same GT16 series, also silver-colored with a tin-plated phosphor bronze body. The GT16G-FR is the standard ferrule; the GT16G-1.5DHQS is designated as an outer ferrule variant. Both are Active and serve the same strain-relief role in GT16 connector assemblies. The choice between them depends on the specific terminal and wire diameter requirements of the harness design.