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Texas Instruments CSD18534Q5A

CSD18534Q5A NexFET N-Channel MOSFET, 60 V, 9.8 mOhm

MPNCSD18534Q5A
End of Life

Texas Instruments NexFET N-Channel MOSFET, 60 V drain-source, 9.8 mOhm max Rds(on) at 14 A, 10 V gate drive, 50 A continuous drain at case temp, 8-PowerTDFN package.

$1.03Ref. price · indicative, final on quote
Texas Instruments CSD18534Q5A datasheet (PDF)
Packaging8-PowerTDFN
RoHSROHS3 Compliant
SeriesNexFET™
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

CSD18534Q5A specifications
ParameterValue
SeriesNexFET™
FET typeN-Channel
MountingSurface Mount
Drain to source voltage60 V
Drive voltage (Max rds on, min rds on)4.5V, 10V
Current - continuous drain (Id) @ 25°C13A (Ta), 50A (Tc)
Power dissipation3.1W (Ta), 77W (Tc)
Operating temperature-55°C ~ 150°C (TJ)
PackageTape & Reel (TR); Cut Tape (CT)
Vgs±20V
TechnologyMOSFET (Metal Oxide)
Case8-PowerTDFN
Vgs(th) (Max) @ id2.3V @ 250µA
Rds on (Max) @ id, vgs9.8mOhm @ 14A, 10V
Gate charge (Qg) (Max) @ vgs22 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds1770 pF @ 30 V

Product details

60 V, 9.8 mOhm — the conduction-loss ceiling

CSD18534Q5A NexFET N-Channel MOSFET, 60 V drain-source, 9.8 mOhm max Rds(on) at 14 A, 10 V gate drive.

Current rating: case vs. ambient

Continuous drain current is listed at 50 A when the case temperature is held at 25°C, but only 13 A at 25°C ambient with no heatsink. The 77 W power dissipation at the case versus 3.1 W at ambient tells the story — this FET delivers its full current rating only when the bottom-side exposed pad is soldered to a thermal plane that pulls heat into the board. For a rework tech: the 8-VSONP (5x6) package has a large thermal pad; the reflow profile needs a bottom-side preheat to avoid cold joints on the pad.

ROHS3 compliant. The 8-VSONP (5x6) package is moisture-sensitive; store reels dry.

Frequently asked questions

What is the Rds(on) of the CSD18534Q5A?

This is the conduction-loss spec for thermal design.

What is the maximum drain current of the CSD18534Q5A?

Continuous drain current is 50 A when the case temperature is held at 25°C, and 13 A at 25°C ambient with no heatsink. The 50 A figure requires a thermal plane on the PCB to pull heat from the exposed pad.