Infineon Technologies IPP129N10NF2SAKMA1

Overview

IPP129N10NF2SAKMA1 from Infineon Technologies is an N-channel enhancement-mode power MOSFET in PG-TO220-3 package, rated for 100 V V_DS, 12.9 mΩ R_DS(on) max at V_GS = 10 V, and 52 A continuous drain current at T_C = 25 °C. It features 100% avalanche tested ruggedness, low Q_g (19 nC), and integrated body diode with 135 nC Q_rr, suited for high-efficiency DC-DC converters and motor drive half-bridges.

For engineers reviewing the IPP129N10NF2SAKMA1 datasheet, IPP129N10NF2SAKMA1 pinout, IPP129N10NF2SAKMA1 application, or IPP129N10NF2SAKMA1 equivalent, key selection criteria include its 2.1 °C/W R_thJC, 26 nC Q_oss, 4.9 V gate plateau voltage, and TO-220 drain-tab thermal design-critical for thermal-aware switching power supply layout and synchronous rectification.

Technical Context

This StrongIRFET™ 2 device uses trench-gate silicon technology optimized for low conduction and switching losses in hard-switched topologies. Its gate threshold voltage (2.2–3.8 V) enables robust turn-on with standard 5 V or 10 V logic-level drivers, while the 0.9 Ω gate resistance supports controlled dv/dt without external gate resistors in many applications.

The MOSFET integrates a fast-recovery body diode (t_rr = 26 ns, Q_rr = 135 nC) with low forward voltage (0.93 V typ. at 30 A), enabling reliable synchronous rectification and freewheeling in buck converters and H-bridge motor control where reverse recovery behavior directly impacts efficiency and EMI.

Key Specifications

Pinout & Package

Package: PG-TO220-3 (standard through-hole TO-220 variant with isolated tab connected to Drain). Thermal performance relies on mechanical mounting of the metal tab to heatsink.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STP130N10F7 and IRF1404ZLPBF, IPP129N10NF2SAKMA1 delivers optimal balance of low R_DS(on), moderate Q_g, and proven avalanche ruggedness-making it preferred for new 200–500 kHz industrial power designs requiring thermal headroom and reliability.

Availability

IPP129N10NF2SAKMA1 is available at Aetrix Electronics and suitable for industrial DC-DC converters, brushless DC motor drives, and uninterruptible power supplies requiring stable component supply and long-term manufacturing continuity.

Supply support for IPP129N10NF2SAKMA1 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, and industrial control ICs and discrete devices, with global manufacturing and quality certification to ISO/TS 16949 and IATF 16949.

This part belongs to the StrongIRFET™ 2 family, engineered specifically for high-current, high-efficiency switching applications in industrial power conversion and motor control-emphasizing ruggedness, thermal performance, and consistent parametric distribution.

FAQ

Is IPP129N10NF2SAKMA1 suitable for synchronous rectification?

Yes. Its integrated body diode has t_rr = 26 ns and Q_rr = 135 nC at 30 A, enabling clean commutation in synchronous buck topologies up to 300 kHz. The low R_DS(on) (12.9 mΩ) further reduces conduction loss versus external Schottky solutions in 12–48 V output rails.

What is the maximum junction temperature and how is it validated?

The absolute maximum junction temperature is 175 °C, qualified per JEDEC Standard JESD22-A108. Thermal derating curves in the datasheet (Diagram 2) confirm 52 A I_D is valid only at T_C ≤ 25 °C; at T_C = 100 °C, continuous current drops to 37 A to maintain safe T_j.

Does the drain tab require electrical isolation from the heatsink?

No-the drain is internally connected to the metal tab, so isolation is required only if the heatsink is not referenced to drain potential. Use insulating pads or shoulder washers when mounting to grounded chassis; verify creepage/clearance per IEC 62368-1 for safety-critical designs.

Can IPP129N10NF2SAKMA1 replace older IRF series MOSFETs in existing designs?

Yes, with verification. Its pinout matches standard TO-220 (G-D-S), and V_GS(th) (2.2–3.8 V) ensures compatibility with 5 V microcontroller outputs. However, lower R_DS(on) and Q_g may increase dI/dt-check gate driver strength and PCB layout for ringing before deployment.