NXP Semiconductors PHP225NQ04T,127

Overview

PHP225NQ04T from NXP Semiconductors (formerly Philips Semiconductors) is an N-channel TrenchMOS™ standard-level power MOSFET in TO-220AB (SOT78) package, rated for 40 V V_DS, 75 A continuous drain current at T_mb = 25 °C, and 3.1 mΩ maximum R_DS(on) at V_GS = 10 V and T_j = 25 °C. It serves as a high-current, low-loss switching element in DC-DC converters, motor drives, and industrial power supplies.

For engineers reviewing the PHP225NQ04T datasheet, PHP225NQ04T pinout, PHP225NQ04T application, or PHP225NQ04T equivalent, key selection criteria include its 0.5 K/W junction-to-mounting-base thermal resistance, avalanche energy rating of 560 mJ, gate threshold voltage range of 2–4 V at 25 °C, and compatibility with standard-level gate drivers.

Technical Context

This MOSFET employs TrenchMOS™ technology to achieve very low on-state resistance while maintaining robust avalanche ruggedness and stable threshold voltage across −55 °C to +175 °C junction temperature. Its standard-level gate drive (V_GS(th) = 2–4 V) enables direct interface with 5 V or 3.3 V logic without level-shifting circuitry.

The device features a monolithic source-drain diode with 75 A DC forward current capability and 65 ns reverse recovery time, supporting synchronous rectification and freewheeling in hard-switched topologies. Thermal performance is optimized via direct metal mounting base connection to drain, enabling efficient heatsink coupling.

Key Specifications

Pinout & Package

PHP225NQ04T is housed in a TO-220AB plastic single-ended package (SOT78) with heatsink mounting and one mounting hole. The mounting base (MB) is electrically connected to the drain terminal and serves as the primary thermal path.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel power MOSFET applications.

Compared with STP75NF40 and IRF1404, PHP225NQ04T offers superior avalanche ruggedness (560 mJ), lower R_DS(on), and tighter V_GS(th) tolerance-making it preferred for industrial motor drives and UPS systems where reliability under transient overloads is essential.

Availability

PHP225NQ04T is available at Aetrix Electronics and suitable for motor drives, uninterruptible power supplies, and DC-to-DC converters requiring stable component supply, long-term industrial lifecycle support, and traceable sourcing from original manufacturer channels.

Supply support for PHP225NQ04T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors, formerly Philips Semiconductors, is a global leader in high-performance analog and power semiconductor solutions, with deep expertise in automotive, industrial, and power management technologies.

The PHP225NQ04T belongs to the TrenchMOS™ standard-level power MOSFET product line, engineered specifically for high-efficiency, high-reliability switching in industrial power conversion and motor control applications where thermal robustness and avalanche tolerance are critical.

FAQ

What is the maximum continuous drain current rating for PHP225NQ04T?

The PHP225NQ04T is rated for 75 A continuous drain current (I_D) at mounting base temperature (T_mb) = 25 °C and V_GS = 10 V. Derating applies above 25 °C per Figure 2 in the datasheet; at T_mb = 100 °C, it still supports 75 A due to thermal design optimization. This rating assumes proper heatsinking with the mounting base thermally coupled to a heatsink.

Does PHP225NQ04T support avalanche operation, and what is its energy rating?

Yes, PHP225NQ04T is specified for unclamped inductive avalanche operation with a rated non-repetitive drain-source avalanche energy (E_DS(AL)S) of 560 mJ under defined test conditions (I_D = 75 A, V_DD ≤ 40 V, R_GS = 50 Ω, V_GS = 10 V, starting at T_j = 25 °C). This makes PHP225NQ04T suitable for applications with inductive loads where voltage transients must be safely absorbed without external clamping.

What is the gate threshold voltage range for PHP225NQ04T, and how does it affect drive requirements?

The gate-source threshold voltage (V_GS(th)) for PHP225NQ04T is 2–4 V at T_j = 25 °C, confirming its classification as a standard-level MOSFET. This allows direct drive from 3.3 V or 5 V logic outputs without level-shifting circuitry. At elevated temperatures (175 °C), V_GS(th) drops to 1 V minimum, ensuring turn-on margin remains intact across the full operating range.

What is the thermal resistance from junction to mounting base for PHP225NQ04T?

The maximum thermal resistance from junction to mounting base (R_th(j-mb)) for PHP225NQ04T is 0.5 K/W. This low value reflects the direct metal-to-metal thermal path between the silicon die and the TO-220AB mounting base, which is electrically connected to the drain. Effective heatsinking of the mounting base is essential to realize this thermal performance in actual PCB layouts.

Is PHP225NQ04T pin-compatible with other TO-220AB N-channel MOSFETs like IRF1404 or STP75NF40?

PHP225NQ04T uses the standard TO-220AB (SOT78) pinout: Pin 1 = Gate, Pin 2 = Drain (mounting base), Pin 3 = Source. This matches the mechanical and electrical pin configuration of IRF1404 and STP75NF40, enabling direct PCB footprint reuse. However, differences in R_DS(on), Q_g, and avalanche rating require verification of thermal and switching performance in the target application before substitution.