Within a Data Factory, the default limit on any entities is set to 5000, including pipelines, data sets, triggers, linked services, Private Endpoints, and integration runtimes. One can create an online support ticket to raise the limit to a higher number if required.
Refer to the documentation for more details: https://docs.microsoft.com/en-us/azure/azure-resource-manager/management/azure-subscription-service-limits#azure-data-factory-limits
