Infineon Technologies IPP120P04P4L03AKSA2

Overview

IPP120P04P4L03AKSA2 from Infineon Technologies is a P-channel logic-level enhancement-mode MOSFET in PG-TO220-3-1 package, rated for -40 V V_DS, 3.1 mΩ R_DS(on) at V_GS = -10 V and I_D = -100 A, with 175 °C maximum junction temperature and AEC-Q101 qualification. It serves as a high-current load switch in automotive body control modules and industrial DC power distribution systems.

For engineers reviewing the IPP120P04P4L03AKSA2 datasheet, IPP120P04P4L03AKSA2 pinout, IPP120P04P4L03AKSA2 application, or IPP120P04P4L03AKSA2 equivalent, key selection criteria include its -120 A continuous drain current at T_C = 25 °C, 1.1 K/W thermal resistance (junction-to-case), 100% avalanche tested performance, and logic-level gate drive compatibility down to -4.5 V.

Technical Context

This device implements a trench-based OptiMOS®-P2 silicon process optimized for low R_DS(on) and fast switching in high-side and bidirectional switching configurations. Its gate threshold voltage range of -1.2 V to -2.2 V enables robust turn-on with standard 5 V logic drivers while maintaining low leakage (<1 µA) at 125 °C.

The integrated body diode supports synchronous rectification and reverse polarity protection, with t_rr = 54 ns and Q_rr = 60 nC at I_F = -50 A and di_F/dt = -100 A/µs. Thermal design is enabled by MSL1-rated packaging and direct-mount drain tab for efficient heat transfer to heatsinks.

Key Specifications

Pinout & Package

IPP120P04P4L03AKSA2 uses PG-TO220-3-1 package with isolated mounting hole, thermally enhanced drain-connected tab, and lead-free RoHS-compliant finish. The case is electrically connected to the drain terminal.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar P-channel high-current switching applications.

Compared with IPB120P04P4L03AKSA2 and IPI120P04P4L03AKSA2, the IPP120P04P4L03AKSA2 offers identical silicon performance in a cost-optimized through-hole TO-220 package with proven field reliability and simplified heatsink mounting-ideal for medium-volume industrial power modules.

Availability

IPP120P04P4L03AKSA2 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC output stages, and DC power protection circuits requiring stable component supply across multi-year production cycles.

Supply support for IPP120P04P4L03AKSA2 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 industrial control ICs, with global manufacturing and quality certification to IATF 16949 and ISO 9001.

This part belongs to the OptiMOS®-P2 product line, engineered specifically for high-efficiency, high-reliability P-channel switching in automotive and industrial 12 V/24 V systems where logic-level drive and avalanche ruggedness are critical.

FAQ

What is the maximum safe operating temperature for IPP120P04P4L03AKSA2?

The device supports continuous operation up to +175 °C junction temperature, validated per AEC-Q101 stress testing. Case temperature must be limited to ensure T_j stays within this limit-using the 1.1 K/W R_thJC, a 100 °C case temperature yields 175 °C junction under full 120 A load. Derating curves in the datasheet define safe operating area boundaries at elevated temperatures.

Does IPP120P04P4L03AKSA2 require a gate resistor for driving with a microcontroller?

Yes-a series gate resistor (typically 10–47 Ω) is recommended to dampen ringing and limit peak gate current during switching. With Q_g = 234 nC and typical MCU GPIO rise/fall times of ~10 ns, uncontrolled gate drive can cause overshoot exceeding ±16 V V_GS rating. The resistor also controls dV/dt and reduces EMI in high-frequency PWM applications.

Can IPP120P04P4L03AKSA2 replace an N-channel MOSFET in a high-side configuration without additional circuitry?

No-it is a P-channel device and can operate directly as a high-side switch with referenced gate drive, unlike N-channel types that require bootstrap or isolated gate drivers. However, it still needs proper level-shifting if driven from a 3.3 V MCU in a 24 V system, since V_GS must reach ≤ -4.5 V for full enhancement-often achieved via simple inverting driver or dedicated high-side gate driver IC.

Is the drain tab electrically isolated from the package mounting hardware?

No-the drain (Pin 2) is internally connected to the metal tab, which serves as both the primary current path and thermal interface. When mounted to a heatsink, the tab must be electrically insulated using mica washers or silicone pads unless the heatsink is referenced to the drain potential. Failure to insulate may cause short circuits in grounded-chassis systems.