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NXP Semiconductors BUK7575-55A,127 — Discrete Semiconductors

BUK7575-55A,127 N-Channel TrenchMOS MOSFET, 55V 20.3A TO-220

MPNBUK7575-55A,127
End of Life

Nexperia BUK7575-55A,127 N-channel TrenchMOS MOSFET, 55 V drain-source, 20.3 A continuous drain, 75 mOhm Rds(on) at 10 V, TO-220AB through-hole package, -55°C to 175°C junction temperature.

$0.33Ref. price · indicative, final on quote
PackagingTO-220-3
SeriesTrenchMOS™
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

BUK7575-55A,127 specifications
ParameterValue
SeriesTrenchMOS™
FET typeN-Channel
MountingThrough Hole
Drain to source voltage55 V
Drive voltage (Max rds on, min rds on)10V
Current - continuous drain (Id) @ 25°C20.3A (Tc)
Power dissipation62W (Tc)
Operating temperature-55°C ~ 175°C (TJ)
PackageBulk
Vgs±20V
TechnologyMOSFET (Metal Oxide)
CaseTO-220-3
Vgs(th) (Max) @ id4V @ 1mA
Rds on (Max) @ id, vgs75mOhm @ 10A, 10V
Input capacitance (Ciss) (Max) @ vds483 pF @ 25 V

Product details

75 mOhm at 10 V — the switching loss number that matters

Through-hole TO-220 — the repair-bench favourite

The TO-220AB package (three leads, metal tab) is a through-hole form factor that solders into a board with a single hole pattern. For a rework tech, that means no hot-air profile, no BGA reball — just a soldering iron and a desoldering pump. The metal tab carries the drain potential, so the heatsink interface needs an insulating pad or the chassis must float.

Frequently asked questions

What is the Rds(on) of BUK7575-55A,127?

The maximum on-resistance is 75 mOhm at a gate drive of 10 V and a drain current of 10 A. That is the number to use for conduction loss calculations in switching applications.