NexFET 30 V switch — Rds(on) and Qg trade-off
The CSD17304Q3 is a Texas Instruments NexFET N-channel MOSFET rated for 30 V drain-source and 15 A continuous drain at 25 °C ambient (56 A at case).
Package and thermal — 8-VSON-CLIP
Housed in an 8-VSON-CLIP (3.3x3.3 mm) with an exposed drain pad — the supplier package code 8-VSON-CLIP tells the PCB layout engineer the pad pattern and thermal via array needed to pull heat into the board plane. The 2.7 W power dissipation at ambient (Ta) is the limit without a heatsink; the case-rated 56 A assumes the pad is soldered to a sufficient copper area.