Infineon Technologies SPI47N10L

Overview

SPI47N10L from Infineon Technologies is an N-channel enhancement-mode logic-level SIPMOS™ power MOSFET in TO-262-3-1 (SMD) package, rated for 100 V V_DS, 47 A continuous drain current at T_C = 25 °C, and 26 mΩ R_DS(on) at V_GS = 10 V. It supports high-reliability industrial motor drives and DC-DC converters requiring avalanche-rated switching and 175 °C operation.

For engineers reviewing the SPI47N10L datasheet, SPI47N10L pinout, SPI47N10L application, or SPI47N10L equivalent, key selection criteria include its 4.5 V logic-level gate drive compatibility, 400 mJ single-pulse avalanche energy, 6 kV/µs dv/dt rating, and thermal resistance of 0.85 K/W junction-to-case - critical for thermally constrained SMD power stages.

Technical Context

This device implements a planar SIPMOS™ structure optimized for low conduction loss and robust unclamped inductive switching (UIS). Its threshold voltage range (1.2–2.0 V) enables direct interfacing with 3.3 V and 5 V microcontrollers without level-shifting, while the integrated body diode features 1.1–1.5 V forward voltage at 94 A and 80–120 ns reverse recovery time.

The MOSFET operates across –55 °C to +175 °C junction temperature, with R_DS(on) increasing predictably with temperature (e.g., ~1.8× at 150 °C vs. 25 °C under V_GS = 4.5 V), and exhibits stable safe operating area (SOA) up to 100 V and 47 A in DC mode - validated per preliminary data sheet Figure 3.

Key Specifications

Pinout & Package

SPI47N10L uses the P-TO262-3-1 surface-mount package (also known as SMD-TO262), featuring isolated drain tab for PCB copper-area thermal coupling. The package has three terminals: Drain (Tab), Source (Pin 1), Gate (Pin 2).

Key Features

Applications

Equivalent & Alternatives

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

Compared with STP48N10F7 and IRF3205PBF, SPI47N10L uniquely combines logic-level drive, high avalanche capability, and industry-leading dv/dt immunity - making it optimal for high-reliability, high-frequency industrial power stages where gate drive simplicity and transient robustness are mandatory.

Availability

SPI47N10L is available at Aetrix Electronics and suitable for industrial motor drives, UPS output inverters, solar charge controllers, and telecom DC-DC converters requiring stable component supply and long-term manufacturability.

Supply support for SPI47N10L 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 AG is a German semiconductor manufacturer specializing in power, sensor, and automotive ICs, with global manufacturing and R&D infrastructure.

SPI47N10L belongs to the SIPMOS™ logic-level power MOSFET product line, engineered for high-efficiency, high-reliability industrial switching applications demanding robustness under electrical stress and thermal cycling.

FAQ

Is SPI47N10L pin-compatible with SPP47N10L or SPB47N10L?

No. SPI47N10L uses the P-TO262-3-1 SMD package with exposed drain tab, while SPP47N10L (TO-220-3-1) and SPB47N10L (TO-263-3-2) have different mechanical footprints and thermal mounting requirements. Electrical specs are identical, but PCB layout and heatsinking must be redesigned for each package variant.

What is the maximum recommended gate resistor value for 100 kHz switching?

For 100 kHz PWM with 100 ns target rise/fall times, gate resistor should not exceed 10 Ω when driven by a 2 A capable gate driver. This accounts for Q_g = 135 nC max and ensures sufficient dV/dt control while minimizing switching loss - verified using Infineon's AN2001 gate drive guidelines.

Does SPI47N10L require a gate pull-down resistor in standby mode?

Yes. A 10 kΩ pull-down resistor from gate to source is required to prevent unintended turn-on due to floating gate potential, especially in systems with long PCB traces or shared gate drivers. This is mandated by the ±20 V V_GS absolute maximum rating and absence of internal gate protection circuitry.

Can SPI47N10L replace IRF540N in existing designs?

Only with validation. SPI47N10L offers lower R_DS(on) (26 mΩ vs. 44 mΩ), logic-level drive, and higher avalanche rating, but differs in gate charge profile and SOA boundaries. Layout changes may be needed due to TO-262 thermal pad requirements, and gate drive timing must be re-characterized for 100 kHz+ operation.