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

Infineon Technologies IPP70N12S311AKSA2

Name: IPP70N12S311AKSA2
Brand: Infineon Technologies
SKU: IPP70N12S311AKSA2
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: IPP70N12S311AKSA2

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-220-3

Datasheet:: IPP70N12S311AKSA2.pdf

Description:: MOSFET_(120V 300V)

Quantity:: RFQ Add To RFQ list

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Product details

Overview

IPP70N12S311AKSA2 from Infineon Technologies is an AEC-Q101 qualified N-channel enhancement-mode power MOSFET in PG-TO220-3-1 package, rated for 120 V V_DS, 70 A continuous drain current at T_C = 25 °C, and 11.3 mΩ max R_DS(on) at V_GS = 10 V. It operates up to 175 °C junction temperature and is 100% avalanche tested - deployed in automotive DC-DC converters and motor control inverters.

For engineers reviewing the IPP70N12S311AKSA2 datasheet, IPP70N12S311AKSA2 pinout, IPP70N12S311AKSA2 application, or IPP70N12S311AKSA2 equivalent, key selection criteria include its 1.2 K/W R_thJC, 410 mJ single-pulse avalanche energy, 9.7–11.6 mΩ R_DS(on) range, and AEC-Q101 qualification for under-hood switching.

Technical Context

This OptiMOS™-T device uses trench-gate superjunction technology optimized for low conduction and switching losses in high-current 12 V automotive systems. Its gate threshold voltage (2.0–4.0 V) enables robust drive compatibility with standard 5 V and 12 V controllers, while its 3350–4355 pF input capacitance supports predictable gate drive design.

The integrated body diode exhibits 0.6–1.2 V forward voltage at 70 A and 25 °C, with 100 ns typical reverse recovery time and 265 nC Q_rr, enabling efficient synchronous rectification and freewheeling in hard-switched topologies.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	120 V - supports full 12 V automotive battery transients up to ISO 7637-2 Pulse 5a (120 V clamp).
I_D (continuous)	70 A @ T_C = 25 °C - delivers high current in compact TO-220 footprint without external heatsink for short bursts.
R_DS(on) max	11.3 mΩ @ V_GS = 10 V - limits conduction loss to ≤5.6 W at 70 A, critical for thermal management in engine control units.
E_AS	410 mJ - withstands single-pulse inductive energy from 35 A load interruption, enabling reliable operation in solenoid drivers.
T_j max	175 °C - certified for under-hood environments including transmission control modules and EPS ECUs.
Q_g	51–65 nC - determines gate driver power requirement; compatible with standard 1 A peak gate drivers at 100 kHz switching.
AEC-Q101	Qualified - validated for automotive reliability including HTGB, HTRB, and temperature cycling per AEC standard.

Pinout & Package

IPP70N12S311AKSA2 is housed in PG-TO220-3-1 package: insulated plastic case with three leads, metal tab (Drain) electrically connected to pin 2, and standard through-hole mounting. Thermal resistance R_thJC = 1.2 K/W enables direct heatsink attachment via the tab.

Pin/Terminal	Circuit Role	Design Meaning
1 (Source)	Source terminal (N-channel)	Low-side reference node; connects to ground or current-sense shunt for overcurrent protection.
2 (Drain)	Drain terminal	Internally bonded to metal tab; must be electrically isolated from heatsink unless system ground referenced.
3 (Gate)	Control input	High-impedance MOSFET gate requiring <100 nA leakage; driven by PWM controller with 3.5 Ω series resistor per datasheet test condition.

Key Features

Feature	Design Value
Avalanche ruggedness	100% production-tested single-pulse E_AS = 410 mJ ensures survivability during inductive load turn-off in starter relays.
Thermal performance	R_thJC = 1.2 K/W allows >100 W dissipation with modest heatsinking - suitable for space-constrained ECU designs.
Body diode quality	Q_rr = 265 nC and t_rr = 100 ns enable low-loss freewheeling in half-bridge motor drives without external Schottky.
Automotive qualification	AEC-Q101 certification covers HTGB, HTRB, and ESD testing - eliminates requalification effort for Tier 1 suppliers.

Applications

Engine Control Unit (ECU) Injector Driver

Electric Power Steering (EPS) Motor Inverter

Use Scenario: High-speed switching of 12 V fuel injectors with peak currents up to 70 A and 1 ms on-time.

IC Role / Device Role / Timing Role: Low-side switch controlling injector coil energization and demagnetization.

Use Value: 11.3 mΩ R_DS(on) minimizes I²R heating during sustained injection pulses, extending ECU lifetime.

Use Scenario: Half-bridge phase leg in 12 V EPS motor drive handling bidirectional 50 A peak currents.

IC Role / Device Role / Timing Role: Synchronous rectifier and active freewheeling element during PWM dead-time.

Use Value: Body diode Q_rr = 265 nC reduces reverse recovery loss and EMI vs. discrete diode solutions.

Transmission Control Module (TCM) Solenoid Driver

12 V Automotive DC-DC Converter Primary Switch

Use Scenario: Driving 12 V hydraulic solenoids with inductive kickback up to 100 V and 35 A surge.

IC Role / Device Role / Timing Role: Protected high-current switch with integrated avalanche energy absorption.

Use Value: 410 mJ E_AS rating prevents failure during solenoid de-energization without external snubber.

Use Scenario: Primary-side switch in 12 V → 5 V/3.3 V buck converter powering ADAS sensors.

IC Role / Device Role / Timing Role: High-efficiency power switch operating at 200–500 kHz with low Q_g and C_oss.

Use Value: 51–65 nC Q_g and 940–1222 pF C_oss enable fast, low-loss transitions and reduced driver IC loading.

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
IPB70N12S3-11	PG-TO263-3-2 (D²PAK) package; identical R_DS(on), V_DS, and AEC-Q101 spec; 1.2 K/W R_thJC same but PCB thermal path differs.	Suitable for surface-mount designs with automated assembly; requires larger PCB copper area for equivalent cooling.	Select when board space permits SMD layout and reflow compatibility is required.
IPI70N12S3-11	PG-TO262-3-1 (I²PAK) package; same electrical specs; R_thJC = 1.2 K/W but mechanical mounting differs (no isolation tab).	Used in legacy through-hole designs where TO-220 footprint is unavailable; needs insulating washer for heatsink mounting.	Select for drop-in replacement in existing I²PAK-based platforms with mechanical constraints.

Compared with IPB70N12S3-11 and IPI70N12S3-11, IPP70N12S311AKSA2 offers identical electrical performance in a cost-optimized TO-220-3-1 package with insulated tab - ideal for new designs prioritizing thermal simplicity and manual assembly flexibility.

Availability

IPP70N12S311AKSA2 is available at Aetrix Electronics and suitable for automotive engine control units, electric power steering systems, and transmission control modules requiring stable component supply across extended vehicle lifecycles.

Supply support for IPP70N12S311AKSA2 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 device belongs to the OptiMOS™-T product line - engineered specifically for high-reliability 12 V automotive power switching, emphasizing avalanche robustness, thermal efficiency, and AEC-Q101 compliance.

FAQ

What is the maximum allowable gate-source voltage for IPP70N12S311AKSA2?

The absolute maximum V_GS is ±20 V per datasheet. Operation beyond ±15 V risks oxide damage; recommended drive is 10 V for full enhancement with margin. Gate drive circuits must include clamping (e.g., Zener diode) to prevent transient overshoot during switching.

Does IPP70N12S311AKSA2 require a heatsink in automotive under-hood applications?

Yes - at 70 A continuous current, junction temperature exceeds safe limits without thermal management. With R_thJC = 1.2 K/W and ambient up to 125 °C, a heatsink maintaining T_C ≤ 100 °C is required. Derating curves show 48 A max at T_C = 100 °C.

Is the body diode suitable for synchronous rectification in a 12 V buck converter?

Yes - its 0.6–1.2 V V_SD at 70 A and 100 ns t_rr support efficient freewheeling. However, Q_rr = 265 nC contributes to switching loss; optimal use requires careful dead-time tuning to avoid cross-conduction while minimizing reverse recovery energy.

How does the AEC-Q101 qualification impact design validation for IPP70N12S311AKSA2?

AEC-Q101 qualification confirms pass/fail results for stress tests including HTGB (1000 hrs at 150 °C), HTRB (1000 hrs at 175 °C), and temperature cycling (−40 °C to +150 °C). This eliminates need for customer-level reliability retesting - accelerating time-to-market for automotive Tier 1 programs.

IPP70N12S311AKSA2 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: TO-220-3

Packaging:: Tube

Product Status:: Active

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 120 V

Current - Continuous Drain (Id) @ 25°C:: 70A (Tc)

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

Rds On (Max) @ Id, Vgs:: 11.6mOhm @ 70A, 10V

Vgs(th) (Max) @ Id:: 4V @ 83µA

Gate Charge (Qg) (Max) @ Vgs:: 65 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 4355 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 125W (Tc)

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

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Through Hole

Supplier Device Package:: PG-TO220-3-1

IPP70N12S311AKSA2 FAQ

1.How can I place an order for IPP70N12S311AKSA2 through Aetrix?

Please submit a Request for Quotation (RFQ) for IPP70N12S311AKSA2 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 IPP70N12S311AKSA2 reliable?

The price and inventory of IPP70N12S311AKSA2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IPP70N12S311AKSA2 is usually 5 days.

3.What payment methods are accepted for IPP70N12S311AKSA2?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IPP70N12S311AKSA2 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IPP70N12S311AKSA2?

IPP70N12S311AKSA2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IPP70N12S311AKSA2 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 IPP70N12S311AKSA2?

For technical support, including IPP70N12S311AKSA2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IPP70N12S311AKSA2 requirements.

6.How does Aetrix verify that IPP70N12S311AKSA2 is sourced from the original manufacturer or authorized distributors?

All IPP70N12S311AKSA2 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 IPP70N12S311AKSA2 meets industry standards.

7.What is the process for return or replacement of IPP70N12S311AKSA2?

All IPP70N12S311AKSA2 units undergo pre-shipment inspection (PSI). If there is an issue with IPP70N12S311AKSA2, 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 IPP70N12S311AKSA2 part is unused and in its original packaging.

Return procedure for IPP70N12S311AKSA2:

1.Submit a request within 90 days.

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

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