Infineon Technologies IRF540NSTRRPBF

Overview

IRF540NSTRRPBF from Infineon Technologies (formerly International Rectifier) is an N-channel enhancement-mode power MOSFET in D2Pak (TO-263) package, rated for 100V V_DS, 44 mΩ R_DS(on) at V_GS = 10 V and 16 A, and 33 A continuous drain current at T_C = 25°C. It features fully avalanche-rated ruggedness, fast switching (t_r = 35 ns, t_f = 35 ns), and integrated body diode with 115 ns reverse recovery time - deployed in DC-DC converters, motor drives, and uninterruptible power supplies.

For engineers reviewing the IRF540NSTRRPBF datasheet, IRF540NSTRRPBF pinout, IRF540NSTRRPBF application, or IRF540NSTRRPBF equivalent, key selection criteria include its 100V breakdown voltage, 44 mΩ on-resistance at 10 V gate drive, 130 W power dissipation capability, 71 nC total gate charge, and D2Pak thermal performance (R_θJC = 1.15 °C/W).

Technical Context

This HEXFET® device uses advanced silicon processing to minimize R_DS(on) per die area while maintaining high dv/dt immunity (7.0 V/ns) and robust unclamped inductive switching capability (E_AS = 700 mJ). Its gate threshold voltage (2.0–4.0 V) enables compatibility with 5 V and 10 V logic-level drivers.

The integrated body diode exhibits V_SD = 1.2 V at I_S = 16 A and T_J = 25°C, with Q_rr = 505–760 nC and trr = 115–170 ns under specified di/dt conditions. Thermal design leverages low junction-to-case resistance (1.15 °C/W) for surface-mount power delivery up to 2.0 W without heatsink.

Key Specifications

Pinout & Package

D2Pak (TO-263) surface-mount package with exposed drain pad for thermal and electrical connection; 3-pin configuration (Drain, Source, Gate) optimized for high-power density layouts.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel 100 V power MOSFET applications.

Compared with STP100N10F7 and IXTH16N10D2, the IRF540NSTRRPBF offers balanced trade-offs: moderate R_DS(on) and Q_g, proven D2Pak thermal reliability, and broad design support - ideal for cost-sensitive 100 V industrial power stages where 33 A continuous current and 130 W dissipation define the operating envelope.

Availability

IRF540NSTRRPBF is available at Aetrix Electronics and suitable for motor drives, UPS inverters, and LED drivers requiring stable component supply across extended production lifecycles.

Supply support for IRF540NSTRRPBF 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

Infineon Technologies is a global semiconductor leader specializing in power management, sensor, and automotive ICs, with deep heritage in power MOSFET innovation via its acquisition of International Rectifier.

The HEXFET® product line was engineered for high-efficiency, high-reliability power conversion - targeting industrial motor control, renewable energy inverters, and server power supplies where ruggedness and thermal performance are critical.

FAQ

What is the maximum gate-source voltage rating for IRF540NSTRRPBF?

The absolute maximum V_GS is ±20 V. Operation beyond ±20 V risks permanent gate oxide damage. For reliable 10 V logic-level drive, a gate resistor of 10–22 Ω and clamping Zener (e.g., 15 V) are recommended to suppress ringing and overshoot during fast switching.

Can IRF540NSTRRPBF be used in linear (analog) mode for constant-current regulation?

Yes - its 175°C maximum junction temperature and 130 W power dissipation support linear operation. However, safe operating area (SOA) limits must be observed: at 10 V V_DS, maximum continuous current is ~12 A; derating is required above 10 V to avoid second breakdown.

Does IRF540NSTRRPBF have a built-in ESD protection diode on the gate?

No - it lacks integrated gate ESD protection. External gate protection (e.g., 10 kΩ series resistor + 18 V TVS clamp to source) is required during handling and PCB assembly to prevent damage from human-body-model (HBM) discharges exceeding 2 kV.

How does the D2Pak package compare thermally to TO-220 for IRF540NSTRRPBF?

The D2Pak offers R_θJC = 1.15 °C/W versus ~1.5 °C/W for TO-220, due to larger copper drain tab area and direct PCB thermal coupling. This yields ~25% lower junction temperature at 33 A, enabling higher power density without mechanical heatsinks in space-constrained designs.