Infineon Technologies SPD30N06S2-23

Overview

SPD30N06S2-23 from Infineon Technologies is an N-channel enhancement-mode power MOSFET rated for 55 V V_DS, 30 A continuous drain current at T_C = 25 °C, and R_DS(on) ≤ 14.5 mΩ at V_GS = 10 V. It uses OptiMOS™ 2 technology in a TO-252-3 (DPAK) package and is designed for high-efficiency DC-DC converters in server power supplies.

For engineers reviewing the SPD30N06S2-23 datasheet, SPD30N06S2-23 pinout, SPD30N06S2-23 application, or SPD30N06S2-23 equivalent, key selection criteria include its low gate charge (Q_G = 29 nC), fast switching capability (t_f = 22 ns), and robust avalanche rating (E_AS = 270 mJ) - critical for synchronous rectification and OR-ing circuits.

Technical Context

This MOSFET employs trench-based silicon process architecture with optimized cell pitch and reduced specific on-resistance. Its threshold voltage (V_GS(th)) ranges from 2.0 V to 4.0 V, enabling reliable turn-on with standard 5 V or 3.3 V gate drivers.

Thermal resistance R_thJC is 1.8 K/W, supporting high-power density layouts when mounted on copper-clad PCBs with thermal vias. The device meets industrial-grade reliability standards including 100% UIS testing and qualified per AEC-Q101 for extended temperature operation.

Key Specifications

Pinout & Package

Package: TO-252-3 (DPAK), surface-mount, single-die, thermally enhanced plastic package with exposed drain pad for PCB heat dissipation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STP30NF55 and IRFZ44NPBF, SPD30N06S2-23 delivers superior power density, lower thermal resistance, and verified ruggedness - making it the preferred choice for space-constrained, high-reliability 48 V systems requiring >300 kHz operation.

Availability

SPD30N06S2-23 is available at Aetrix Electronics and suitable for server VRMs, telecom DC-DC converters, and industrial PLC power supplies requiring stable component supply and long-term manufacturability.

Supply support for SPD30N06S2-23 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 German semiconductor manufacturer specializing in power management, automotive electronics, and security solutions, with global R&D and wafer fabrication facilities.

The OptiMOS™ product line targets high-efficiency power conversion in data center, telecom, and industrial applications, emphasizing low R_DS(on) × Q_G and ruggedness for demanding switching environments.

FAQ

What is the maximum junction temperature for SPD30N06S2-23?

The absolute maximum junction temperature is 175 °C, validated per AEC-Q101 stress testing. Continuous operation at this temperature requires thermal design limiting steady-state power dissipation to ≤16.7 W with R_thJC = 1.8 K/W and T_C ≤ 145 °C.

Does SPD30N06S2-23 support gate drive from 3.3 V microcontrollers?

No - its V_GS(th) range (2.0–4.0 V) and R_DS(on) specification require ≥4.5 V gate drive for full enhancement. At 3.3 V, R_DS(on) exceeds 45 mΩ, increasing conduction loss by >200%. A level-shifting gate driver is mandatory.

Can SPD30N06S2-23 replace SPD25N06S2-23 in existing designs?

Yes - both share identical TO-252-3 packaging, pinout, and thermal footprint. SPD30N06S2-23 offers 17% lower R_DS(on) (14.5 mΩ vs. 17.5 mΩ) and 10% lower Q_G (29 nC vs. 32 nC), enabling direct upgrade with measurable efficiency gain and reduced thermal stress.

Is the exposed drain pad electrically connected to the drain terminal?

Yes - the metal pad on the underside of the TO-252-3 package is internally bonded to the drain. It must be soldered to a PCB copper pour tied to the drain net; using it as a thermal pad only without electrical connection violates the device's internal construction and risks failure.