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Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Infineon Technologies IPI120P04P4L03AKSA1

Name: IPI120P04P4L03AKSA1
Brand: Infineon Technologies
SKU: IPI120P04P4L03AKSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: IPI120P04P4L03AKSA1

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-262-3 Long Leads, I2PAK, TO-262AA

Datasheet:: IPI120P04P4L03AKSA1.pdf

Description:: MOSFET P-CH 40V 120A TO262-3

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Product details

Overview

IPI120P04P4L03AKSA1 from Infineon Technologies is a P-channel logic-level enhancement-mode MOSFET in PG-TO262-3-1 package, rated for -40 V V_DS, 120 A continuous drain current at T_C = 25 °C, and 2.6–3.1 mΩ R_DS(on) at V_GS = -10 V. It is AEC-qualified, 100% avalanche tested, and designed for high-current automotive power switching in engine control units and battery disconnect circuits.

For engineers reviewing the IPI120P04P4L03AKSA1 datasheet, IPI120P04P4L03AKSA1 pinout, IPI120P04P4L03AKSA1 application, or IPI120P04P4L03AKSA1 equivalent, key selection criteria include its -40 V breakdown voltage, low gate threshold (–1.2 to –2.2 V), 1.1 K/W junction-to-case thermal resistance, and SMD-compatible thermal performance on 6 cm² PCB copper area.

Technical Context

This device operates as a high-side load switch in 12 V automotive systems, leveraging its logic-level gate drive compatibility with standard microcontroller outputs (V_GS(th) ≤ –2.2 V) and robust avalanche ruggedness (E_AS = 78 mJ). Its P-channel architecture eliminates the need for high-side gate driver circuitry in reverse-polarity protection and battery isolation applications.

Thermal design is enabled by a low R_thJC of 1.1 K/W and validated operation up to 175 °C junction temperature. The device's dynamic parameters-including C_iss = 11.38–15 nF, Q_g = 180–234 nC, and t_d(off) = 85 ns-support efficient PWM control in DC-DC converters and motor drivers.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	-40 V - Maximum drain-source blocking voltage for 12 V automotive rail protection
R_DS(on) @ V_GS = -10 V	2.6–3.1 mΩ - Enables <1.5 W conduction loss at 120 A in high-current battery switches
I_D (continuous)	-120 A @ T_C = 25 °C - Supports high-power loads such as starter relays and HVAC actuators
E_AS	78 mJ - Confirmed single-pulse avalanche energy for inductive load turn-off safety
T_j max	+175 °C - Rated for under-hood environments including engine control modules
Q_g	180–234 nC - Determines gate driver current requirement for <100 ns switching transitions
R_thJC	1.1 K/W - Enables direct heatsink mounting with predictable thermal path to case

Pinout & Package

Package: PG-TO262-3-1 (3-pin, straight lead, isolated tab), RoHS-compliant green package with MSL1 rating for lead-free reflow up to 260 °C.

Pin/Terminal	Circuit Role	Design Meaning
Drain (Tab)	Main current path output	Electrically connected to metal tab; requires insulated mounting or direct heatsink contact
Source	Reference node for gate drive and current return	Common connection point for load return and gate reference; tied to system ground in high-side configuration
Gate	Control input for channel conduction	Logic-level compatible; driven directly by MCU GPIO with ≤2.2 V threshold and 52 nC Q_gs

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive powertrain and chassis applications per stress test requirements
100% avalanche tested	Each unit subjected to single-pulse E_AS = 78 mJ, ensuring reliability in inductive switching
Low R_DS(on) at logic-level drive	3.1 mΩ at V_GS = -4.5 V enables direct MCU control without level-shifting circuitry
High-temperature operation	Rated for continuous operation at T_j = 175 °C, supporting placement near heat sources
Green RoHS package	Lead-free, halogen-free construction compliant with automotive environmental standards

Applications

Engine Control Unit (ECU) Power Switching

Battery Disconnect Module

Use Scenario: High-side switching of fuel pump, injector, or ignition coil drivers in gasoline/diesel ECUs.

IC Role / Device Role / Timing Role: P-channel MOSFET used as controlled high-side power switch with fast turn-off (t_f = 57 ns) to suppress inductive kickback.

Use Value: Avalanche ruggedness (78 mJ) prevents failure during coil de-energization; 175 °C rating allows placement on compact ECU PCBs near processors.

Use Scenario: Isolation of 12 V battery from vehicle electronics during sleep mode or fault conditions.

IC Role / Device Role / Timing Role: Reverse-polarity and overcurrent protection switch placed between battery and main distribution bus.

Use Value: Low R_DS(on) (2.6 mΩ) limits voltage drop to <0.3 V at 100 A, minimizing standby power loss and thermal rise.

Body Control Module (BCM) Load Driver

Start-Stop System Relay Replacement

Use Scenario: Driving high-current body loads such as headlights, fog lamps, or rear window defrosters.

IC Role / Device Role / Timing Role: Logic-level P-MOSFET replacing mechanical relays for silent, wear-free switching with PWM dimming capability.

Use Value: Gate charge (Q_g = 234 nC) supports 1–20 kHz PWM without excessive driver loss; AEC qualification ensures long-term field reliability.

Use Scenario: Replacing electromechanical relays in engine auto-stop/start cycles where >300,000 cycles are required.

IC Role / Device Role / Timing Role: High-current, high-cycle-count electronic switch controlling starter motor pre-engagement and main battery feed.

Use Value: 120 A continuous rating and 480 A pulsed capability handle cranking surges; 1.1 K/W R_thJC enables stable thermal behavior across repeated start events.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
IPP120P04P4L-03	Same die, PG-TO220-3-1 package; higher R_thJA (62 K/W vs. 40 K/W on PCB)	Less suitable for high-power density layouts; requires larger heatsink volume	Select when TO-220 mounting infrastructure exists and thermal budget permits
IPB120P04P4L-03	Same die, PG-TO263-3-2 surface-mount package; identical R_DS(on) and ratings	Requires SMT assembly; better suited for automated production and compact board space	Select for new designs targeting high-volume SMT manufacturing and improved thermal coupling to PCB

Compared with IPP120P04P4L-03 and IPB120P04P4L-03, IPI120P04P4L03AKSA1 offers through-hole PG-TO262 packaging with superior thermal performance versus TO-220 and lower assembly cost than SMT TO-263-making it optimal for mid-volume automotive modules requiring serviceability and thermal headroom.

Availability

IPI120P04P4L03AKSA1 is available at Aetrix Electronics and suitable for automotive engine control units, battery disconnect modules, and body control modules requiring stable component supply, AEC-Q101 compliance, and long-lifecycle support.

Supply support for IPI120P04P4L03AKSA1 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 R&D and manufacturing infrastructure.

This part belongs to the OptiMOS™-P2 product line, engineered specifically for high-efficiency, high-reliability P-channel switching in 12 V automotive power networks-emphasizing low R_DS(on), avalanche ruggedness, and AEC-Q101 validation.

FAQ

Is IPI120P04P4L03AKSA1 pin-compatible with IPP120P04P4L-03?

Yes-both use 3-pin through-hole packages with identical pinout (Drain–Source–Gate), but IPI120P04P4L03AKSA1 uses PG-TO262-3-1 while IPP120P04P4L-03 uses PG-TO220-3-1. Mounting hole spacing and tab geometry differ, requiring PCB footprint revision for interchange.

What is the maximum safe operating voltage for gate drive?

The absolute maximum gate-source voltage is ±16 V per AEC-Q101 specification. For reliable long-term operation, gate drive should be limited to –10 V for full enhancement and +5 V for turn-off, avoiding prolonged exposure above ±12 V to prevent oxide degradation.

Does this MOSFET require a gate resistor in automotive applications?

Yes-a series gate resistor (typically 10–47 Ω) is recommended to dampen ringing caused by parasitic inductance in high-current PCB traces and to limit peak gate current during fast switching, especially given its 234 nC total gate charge and 85 ns turn-off delay.

Can IPI120P04P4L03AKSA1 replace an N-channel MOSFET in high-side configuration?

Yes-it is explicitly designed for high-side switching without external level-shifting circuitry due to its logic-level P-channel architecture and –1.2 to –2.2 V gate threshold. Unlike N-channel devices, it simplifies control interface in 12 V systems where the source connects to battery positive and gate is pulled low to conduct.

IPI120P04P4L03AKSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: OptiMOS™

Package/Case:: TO-262-3 Long Leads, I2PAK, TO-262AA

Packaging:: Tube

Product Status:: Obsolete

FET Type:: P-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 40 V

Current - Continuous Drain (Id) @ 25°C:: 120A (Tc)

Drive Voltage (Max Rds On, Min Rds On):: 4.5V, 10V

Rds On (Max) @ Id, Vgs:: 3.4mOhm @ 100A, 10V

Vgs(th) (Max) @ Id:: 2.2V @ 340µA

Gate Charge (Qg) (Max) @ Vgs:: 234 nC @ 10 V

Vgs (Max):: ±16V

Input Capacitance (Ciss) (Max) @ Vds:: 15000 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 136W (Tc)

Operating Temperature:: -55°C ~ 175°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Through Hole

Supplier Device Package:: PG-TO262-3-1

IPI120P04P4L03AKSA1 FAQ

1.How can I place an order for IPI120P04P4L03AKSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for IPI120P04P4L03AKSA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for IPI120P04P4L03AKSA1 reliable?

The price and inventory of IPI120P04P4L03AKSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IPI120P04P4L03AKSA1 is usually 5 days.

3.What payment methods are accepted for IPI120P04P4L03AKSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IPI120P04P4L03AKSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IPI120P04P4L03AKSA1?

IPI120P04P4L03AKSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IPI120P04P4L03AKSA1 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for IPI120P04P4L03AKSA1?

For technical support, including IPI120P04P4L03AKSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IPI120P04P4L03AKSA1 requirements.

6.How does Aetrix verify that IPI120P04P4L03AKSA1 is sourced from the original manufacturer or authorized distributors?

All IPI120P04P4L03AKSA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that IPI120P04P4L03AKSA1 meets industry standards.

7.What is the process for return or replacement of IPI120P04P4L03AKSA1?

All IPI120P04P4L03AKSA1 units undergo pre-shipment inspection (PSI). If there is an issue with IPI120P04P4L03AKSA1, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The IPI120P04P4L03AKSA1 part is unused and in its original packaging.

Return procedure for IPI120P04P4L03AKSA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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