Infineon Technologies SPD30N03S2L-10

Overview

SPD30N03S2L-10 from Infineon Technologies is an N-channel logic-level enhancement-mode MOSFET optimized for high-efficiency DC-DC conversion and motor control in automotive and industrial power stages. It delivers 30 A continuous drain current at T_C = 25 °C, 10 mΩ R_DS(on) at V_GS = 10 V, and operates up to 175 °C junction temperature with avalanche rating and 6 kV/µs dv/dt immunity.

For engineers reviewing the SPD30N03S2L-10 datasheet, SPD30N03S2L-10 pinout, SPD30N03S2L-10 application, or SPD30N03S2L-10 equivalent, key selection criteria include its low gate charge × R_DS(on) figure-of-merit (31.4–41.8 nC × 10 mΩ), robust thermal resistance (R_thJC = 1.5 K/W), and validated performance under repetitive avalanche stress and fast switching conditions.

Technical Context

This OptiMOS™ power transistor uses trench-gate silicon technology to achieve low conduction loss and fast switching dynamics. Its gate threshold voltage (1.2–2.0 V) ensures reliable turn-on with standard 3.3 V and 5 V logic drivers, while the 10 mΩ R_DS(on) at 10 V gate drive supports high-current synchronous rectification in buck converters and half-bridge motor drives.

The device integrates a robust body diode with 30 A continuous forward current capability, 0.9–1.2 V forward voltage, and 31–39 ns reverse recovery time-enabling efficient freewheeling in inductive loads without external Schottky diodes in many applications.

Key Specifications

Pinout & Package

SPD30N03S2L-10 is housed in a surface-mount TO252-3 (DPAK) package with exposed drain pad for thermal and electrical connection. The package features three terminals: Gate (G), Source (S), and Drain (D), with Drain electrically connected to the large metal tab on the bottom side.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IRL3803PbF and STL30DN3LLH6, SPD30N03S2L-10 uniquely combines 175 °C operation, 150 mJ avalanche rating, and 10 mΩ R_DS(on), making it optimal for thermally constrained, inductive-load applications where reliability under transient stress is critical.

Availability

SPD30N03S2L-10 is available at Aetrix Electronics and suitable for automotive body control modules, industrial motor drives, and telecom DC-DC converters requiring stable component supply across long production lifecycles.

Supply support for SPD30N03S2L-10 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 management, automotive electronics, and security solutions, with global R&D and manufacturing infrastructure.

The OptiMOS™ product line targets high-efficiency power conversion in automotive, industrial, and computing applications, emphasizing low R_DS(on), fast switching, and ruggedness under real-world electrical and thermal stress.

FAQ

Is SPD30N03S2L-10 suitable for high-side switching with 3.3 V microcontroller GPIO?

No - while its gate threshold voltage starts at 1.2 V, full enhancement requires ≥4.5 V for acceptable R_DS(on). At 3.3 V, R_DS(on) rises to ~25 mΩ, increasing conduction loss significantly. A gate driver or level shifter is recommended for reliable high-side operation with 3.3 V logic.

What is the maximum PCB copper area needed to sustain 30 A continuous current?

Per Infineon's thermal note ANPS071E, a 6 cm² (40 mm × 40 mm) single-layer 70 µm copper area on FR4 PCB - connected directly to the drain pad - achieves R_thJA = 50 K/W, allowing 30 A continuous current at T_C = 25 °C without additional heatsinking.

Does SPD30N03S2L-10 require external gate resistors for EMI control?

Yes - although not mandatory for basic operation, a 5.4 Ω gate resistor is used in the datasheet's dynamic test conditions to limit di/dt and suppress ringing. For EMC-compliant designs, a 10–22 Ω series gate resistor is typically applied to dampen high-frequency oscillations during switching transitions.

Can SPD30N03S2L-10 replace older OptiMOS devices like SPD30N03S2-07?

Yes - SPD30N03S2L-10 is the logic-level variant of SPD30N03S2-07 (7 mΩ, 10 V drive only). It maintains identical pinout, package, and thermal footprint but adds 4.5 V drive capability and slightly higher R_DS(on), enabling drop-in replacement where lower gate drive voltage is needed.