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

Infineon Technologies IPI100N12S305AKSA1

Name: IPI100N12S305AKSA1
Brand: Infineon Technologies
SKU: IPI100N12S305AKSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: IPI100N12S305AKSA1

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

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

Datasheet:: IPI100N12S305AKSA1.pdf

Description:: MOSFET N-CHANNEL_100+

Quantity:: RFQ Add To RFQ list

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Product details

Overview

IPI100N12S305AKSA1 from Infineon Technologies is an AEC-Q101 qualified N-channel enhancement-mode power MOSFET designed for high-current automotive switching applications. It features 120 V V_DS, 4.8 mΩ max R_DS(on) at V_GS = 10 V and I_D = 100 A, 175 °C maximum junction temperature, and 100% single-pulse avalanche tested to 1445 mJ. It is used in 12 V automotive DC-DC converters and motor control modules.

For engineers reviewing the IPI100N12S305AKSA1 datasheet, IPI100N12S305AKSA1 pinout, IPI100N12S305AKSA1 application, or IPI100N12S305AKSA1 equivalent, key selection criteria include its 0.5 K/W R_thJC, SMD-compatible TO-262-3-1 package, 100 A continuous drain current capability at T_C = 100 °C, and integrated body diode with 108 ns t_rr.

Technical Context

This OptiMOS™-T device uses trench-gate superjunction technology optimized for low conduction and switching losses in 12 V automotive systems. Its gate plateau voltage of 5.5 V enables robust drive margin under noisy conditions, while its 139–185 nC total gate charge supports efficient gate driver sizing for hard-switched topologies.

The MOSFET integrates a fast-recovery body diode (t_rr = 108 ns, Q_rr = 380 nC) and exhibits stable R_DS(on) over temperature (4.0–4.8 mΩ at 25–175 °C), enabling predictable thermal design in engine bay environments where ambient temperatures exceed 105 °C.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	120 V - Withstands full-load transients in 12 V automotive battery systems up to ISO 7637-2 Pulse 5a (120 V clamp).
R_DS(on) max	4.8 mΩ @ V_GS = 10 V, I_D = 100 A - Enables <1.2 W conduction loss at 50 A, critical for thermally constrained under-hood modules.
I_D cont	100 A @ T_C = 100 °C - Supports high-power solenoid drivers and BLDC phase legs without forced air cooling.
E_AS	1445 mJ @ I_D = 50 A - Guarantees reliable operation during inductive load turn-off without external snubbers.
t_rr	108 ns @ V_R = 60 V, I_F = 50 A - Minimizes commutation loss and voltage overshoot in synchronous rectification.
R_thJC	0.5 K/W - Allows direct heatsink mounting with ≤50 K temperature rise at 100 W dissipation, simplifying thermal interface design.

Pinout & Package

Package: PG-TO262-3-1 (leadless variant of TO-262, surface-mount compatible with through-hole footprint). Thermal pad on drain terminal requires solder paste stencil and reflow profile per IPC-J-STD-020.

Pin/Terminal	Circuit Role	Design Meaning
Drain (Tab)	Main current path, thermal interface	Electrically and thermally connected to PCB copper pour; must be soldered for both conduction and heat transfer.
Source	Reference node for gate drive and current sensing	Low-inductance connection required to minimize V_GS noise during switching; used for shunt-based current feedback.
Gate	Control input	High-impedance MOS gate requiring <10 Ω series resistance to damp ringing; sensitive to ESD (±20 V rating).

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive under-hood use including temperature cycling, humidity bias, and mechanical shock per JESD47.
100% avalanche tested	Each unit subjected to single-pulse avalanche stress at rated I_AS = 100 A, ensuring robustness against inductive kickback failure.
Green product (RoHS)	Lead-free and halogen-free construction compliant with EU Directive 2011/65/EU and ELV requirements.
MSL1 rating	Safe for standard 260 °C peak reflow profiles without baking, reducing manufacturing complexity and cost.

Applications

Automotive Engine Control Unit (ECU)

12 V Automotive DC-DC Converter

Use Scenario: High-side switch for fuel injector drivers operating at 12 V nominal with 100 ms pulse width and 10 Hz frequency.

IC Role / Device Role / Timing Role: Power switch controlling coil energization; handles repetitive 100 A peak currents with minimal voltage drop.

Use Value: Low R_DS(on) reduces injector heating and improves duty-cycle accuracy; 175 °C rating ensures reliability near hot engine blocks.

Use Scenario: Primary-side synchronous rectifier in 12 V → 5 V/3.3 V buck converter for ADAS camera modules.

IC Role / Device Role / Timing Role: Low-side switch in synchronous buck topology, switching at 300–500 kHz with 50 A RMS current.

Use Value: Fast t_rr and low Q_gd/Q_gs ratio reduce switching loss and EMI; 0.5 K/W R_thJC enables compact heatsinking on small PCBs.

Automotive HVAC Blower Motor Driver

12 V Starter Relay Replacement

Use Scenario: Half-bridge leg in PWM-controlled 12 V blower motor with regenerative braking energy recovery.

IC Role / Device Role / Timing Role: High-current switching element handling bidirectional current flow via body diode conduction during freewheeling.

Use Value: Integrated diode with low V_SD (0.6–1.2 V) and controlled Q_rr minimizes freewheeling loss and prevents shoot-through during dead-time transitions.

Use Scenario: Solid-state replacement for electromechanical starter relay in start-stop systems, switching 300 A cranking pulses.

IC Role / Device Role / Timing Role: High-current, high-reliability main contactor switch activated by microcontroller GPIO with isolated gate driver.

Use Value: 400 A pulsed drain current rating and 1445 mJ avalanche energy withstand cranking surge without derating; AEC-Q101 ensures long-term field reliability.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
IPB100N12S3-05	Same die, PG-TO263-3-2 package with exposed drain pad; R_thJC = 0.5 K/W identical but higher R_thJA on minimal PCB area.	Better suited for automated SMT assembly with larger thermal pad; less compatible with legacy TO-220 footprints.	Select when board-level thermal management prioritizes soldered thermal pad over leaded mounting.
IPP100N12S3-05	Same die, PG-TO220-3-1 package; R_thJC = 0.5 K/W, but requires mechanical mounting hardware and thermal grease.	Preferred for prototyping, service replacement, or designs using through-hole assembly infrastructure.	Select when manual assembly, field serviceability, or compatibility with existing TO-220 heatsinks is required.

Compared with IPB100N12S3-05 and IPP100N12S3-05, the IPI100N12S305AKSA1 offers identical electrical performance and thermal resistance in a surface-mount TO-262 package that bridges SMT manufacturability and legacy footprint compatibility-ideal for high-volume automotive production where reflow yield and thermal consistency are critical.

Availability

IPI100N12S305AKSA1 is available at Aetrix Electronics and suitable for automotive engine control units, 12 V DC-DC converters, HVAC blower motor drivers, and starter relay replacements requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for IPI100N12S305AKSA1 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 security solutions, with global R&D and manufacturing infrastructure.

This part belongs to the OptiMOS™-T product line, engineered specifically for high-efficiency, high-reliability switching in 12 V automotive systems-including engine management, body electronics, and ADAS power stages.

FAQ

What is the maximum allowable gate-source voltage for IPI100N12S305AKSA1?

The absolute maximum gate-source voltage is ±20 V. Operation above +12 V or below −5 V risks permanent gate oxide damage. Recommended drive is 10 V for full R_DS(on) specification, with 5.5 V gate plateau ensuring noise immunity in automotive environments. Gate driver ICs must limit transient overshoot using clamping or active regulation.

Does IPI100N12S305AKSA1 require a heatsink in automotive applications?

Yes-though its 0.5 K/W R_thJC enables efficient heat transfer, sustained 100 A operation at 100 °C case temperature requires a heatsink maintaining T_C ≤ 100 °C. Without heatsinking, power dissipation is limited to ~15 W at ambient 85 °C. Thermal interface material and mounting pressure must be validated per Infineon's AN2015-07.

How does the body diode performance compare to discrete Schottky diodes?

The integrated body diode has V_SD = 0.6–1.2 V and t_rr = 108 ns, offering lower forward drop than silicon diodes but higher than Schottky alternatives. Its Q_rr = 380 nC is optimized for soft recovery in motor drives, not ultra-fast switching. For >1 MHz applications, external Schottky or SiC diodes remain preferred.

Is IPI100N12S305AKSA1 suitable for bidirectional current flow in regenerative braking circuits?

Yes-the device supports bidirectional conduction via its body diode during freewheeling, and its 100% avalanche-tested structure tolerates reverse recovery stress. However, it is not symmetric: forward conduction (source-to-drain) is only specified for pulsed diode current (I_S,pulse = 400 A), not continuous reverse current. External current limiting remains essential.

IPI100N12S305AKSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: OptiMOS™ T

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

Packaging:: Bulk

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 120 V

Current - Continuous Drain (Id) @ 25°C:: 100A (Tc)

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

Rds On (Max) @ Id, Vgs:: 5.1mOhm @ 100A, 10V

Vgs(th) (Max) @ Id:: 4V @ 240µA

Gate Charge (Qg) (Max) @ Vgs:: 185 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 11570 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 300W (Tc)

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

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Through Hole

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

IPI100N12S305AKSA1 FAQ

1.How can I place an order for IPI100N12S305AKSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for IPI100N12S305AKSA1 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 IPI100N12S305AKSA1 reliable?

The price and inventory of IPI100N12S305AKSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IPI100N12S305AKSA1 is usually 5 days.

3.What payment methods are accepted for IPI100N12S305AKSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IPI100N12S305AKSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IPI100N12S305AKSA1?

IPI100N12S305AKSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IPI100N12S305AKSA1 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 IPI100N12S305AKSA1?

For technical support, including IPI100N12S305AKSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IPI100N12S305AKSA1 requirements.

6.How does Aetrix verify that IPI100N12S305AKSA1 is sourced from the original manufacturer or authorized distributors?

All IPI100N12S305AKSA1 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 IPI100N12S305AKSA1 meets industry standards.

7.What is the process for return or replacement of IPI100N12S305AKSA1?

All IPI100N12S305AKSA1 units undergo pre-shipment inspection (PSI). If there is an issue with IPI100N12S305AKSA1, 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 IPI100N12S305AKSA1 part is unused and in its original packaging.

Return procedure for IPI100N12S305AKSA1:

1.Submit a request within 90 days.

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

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