Infineon Technologies IPI06N03LA

Overview

IPI06N03LA from Infineon Technologies is a logic-level N-channel enhancement-mode MOSFET in TO-262-3-1 package, rated for 25 V V_DS, 50 A continuous drain current at T_C = 100 °C, and 5.9 mΩ max R_DS(on) (SMD version). It features dv/dt ruggedness up to 6 kV/µs, 175 °C maximum junction temperature, and is optimized for high-frequency DC/DC converters in server power supplies.

For engineers reviewing the IPI06N03LA datasheet, IPI06N03LA pinout, IPI06N03LA application, or IPI06N03LA equivalent, key selection criteria include gate threshold voltage (1.2–2.0 V), Q_g (16–22 nC), R_DS(on) at 4.5 V (7.6–9.5 mΩ), thermal resistance R_thJC (1.8 K/W), and avalanche energy E_AS (225 mJ).

Technical Context

This MOSFET employs Infineon's OptiMOS®2 process, delivering low gate charge × R_DS(on) figure-of-merit for high-efficiency synchronous rectification. Its logic-level gate enables direct drive from 3.3 V or 5 V controllers without level-shifting.

The device integrates a robust body diode with Q_rr ≤ 10 nC and V_SD ≤ 1.2 V at 50 A, supporting ZVS/ZCS topologies. Thermal design is enabled by low R_thJC (1.8 K/W) and operation up to 175 °C junction temperature.

Key Specifications

Pinout & Package

Package: TO-262-3-1 (IPAK), surface-mount compatible with through-hole footprint; drain-connected tab for thermal and electrical connection.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IPP06N03LA and IPB06N03LA, the IPI06N03LA offers a balanced trade-off: TO-262's vertical leadform supports both manual prototyping and semi-automated assembly while maintaining 40 K/W R_thJA on 6 cm² copper-making it ideal for mid-volume industrial power modules needing thermal headroom and mechanical flexibility.

Availability

IPI06N03LA is available at Aetrix Electronics and suitable for server VRMs, telecom DC/DC converters, industrial motor drive auxiliaries, and automotive OBC auxiliary supplies requiring stable component supply across extended product lifecycles.

Supply support for IPI06N03LA 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, sensor, and automotive ICs, with leadership in silicon and wide-bandgap power devices.

The OptiMOS®2 product line delivers high-performance, logic-level N-channel MOSFETs targeting high-frequency, high-efficiency power conversion in computing, telecom, and industrial applications.

FAQ

What is the maximum continuous drain current for IPI06N03LA at 100 °C case temperature?

The IPI06N03LA supports 50 A continuous drain current at T_C = 100 °C, limited by bondwire capacity-not thermal saturation. At this condition, R_DS(on) remains ≤9.5 mΩ (4.5 V drive), enabling <2.4 W conduction loss. Derating begins above 100 °C case per the published I_D vs. T_C curve.

Does IPI06N03LA require a gate resistor for typical 500 kHz switching?

Yes-a 2.2 Ω to 4.7 Ω gate resistor is recommended to damp ringing and control dI/dt. With Q_g = 22 nC and typical 5 V gate drive, a 3.3 Ω resistor yields ~15 ns rise/fall times, aligning with the datasheet's t_r/t_f specs (25–38 ns / 7–10 ns) and minimizing EMI without excessive switching loss.

Can IPI06N03LA be used in avalanche mode for clamping?

Yes-it is fully rated for repetitive unclamped inductive switching (UIS) with E_AS = 225 mJ at I_D = 50 A. This enables use in non-isolated flyback or active clamp circuits where controlled avalanche absorbs leakage energy, provided gate is held at ≥10 V during conduction and peak V_DS stays within 25 V rating.

How does the TO-262-3-1 package compare thermally to TO-220 for IPI06N03LA?

The TO-262-3-1 offers identical R_thJC (1.8 K/W) as TO-220 but achieves lower effective R_thJA (40 K/W vs. 62 K/W) on a 6 cm² PCB copper area due to improved solder joint thermal transfer. Unlike TO-220, its leads are straight-enabling wave-solder compatibility and reduced mechanical stress on PCBs under thermal cycling.