The WINSOK WST2078 is an N&P Channel FET with a voltage BVDSS of 20V-20V, current ID of 3.8A - 4.5A, and internal resistance RDSON of 45mΩ - 65mΩ. It comes in an SOT-23-6L package.
The VISHAY Si3585CDV features an internal resistance RDSON of 48mΩ, which is comparable to the WINSOK WST2078's RDSON range of 45mΩ - 65mΩ.
The AOS AO6604 has a voltage BVDSS of 20V -20V, a current ID of 3.4A -2.5A, and an RDSON of -115mΩ. The AOS AO6608 has a voltage BVDSS of 30V -20V, a current ID of 3.4A -3.3A, and an RDSON of 135mΩ.
The PANJIT PJS6601 features a current ID of 4.1A -3.1A, while the POTENS PDQ3714 has a current ID rating of 4a -3A.
These FETs are widely applied in consumer electronics, controller systems, digital products, small home appliances, and e-cigarette circuits.