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

Infineon Technologies IPP70N12S311AKSA1

Name: IPP70N12S311AKSA1
Brand: Infineon Technologies
SKU: IPP70N12S311AKSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: IPP70N12S311AKSA1

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-220-3

Datasheet:: IPP70N12S311AKSA1.pdf

Description:: MOSFET N-CHANNEL_100+

Quantity:: RFQ Add To RFQ list

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Product details

Overview

IPP70N12S311AKSA1 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 for automotive motor control and DC-DC converter primary-side switching.

For engineers reviewing the IPP70N12S311AKSA1 datasheet, IPP70N12S311AKSA1 pinout, IPP70N12S311AKSA1 application, or IPP70N12S311AKSA1 equivalent, key selection criteria include its 1.2 K/W R_thJC, 410 mJ single-pulse E_AS, 9.7–11.6 mΩ R_DS(on) range, 3350–4355 pF C_iss, and automotive-grade thermal and reliability validation.

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 with standard 10 V gate drivers, while the 5.5 V gate plateau voltage supports stable Miller region control during hard-switching transitions.

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 synchronous rectification replacement in buck converters and reducing dead-time sensitivity in half-bridge topologies.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	120 V - supports 12 V automotive battery systems with ≥2× overvoltage margin against load-dump transients
R_DS(on) max	11.3 mΩ at V_GS = 10 V - enables ≤5 W conduction loss at 70 A, critical for thermally constrained engine bay modules
I_D continuous	70 A at T_C = 25 °C - delivers high current density in TO-220 footprint without forced air cooling
E_AS	410 mJ - withstands repetitive inductive turn-off energy in motor phase-legs without derating
R_thJC	1.2 K/W - allows direct heatsink mounting for efficient thermal path from die to chassis
Q_g	51–65 nC - determines gate driver current requirement (~2 A peak for 30 ns rise time with 3.5 Ω R_G)
t_r/t_f	8 ns / 8 ns - enables >500 kHz switching in isolated DC-DC converters with minimal overlap loss

Pinout & Package

IPP70N12S311AKSA1 is housed in PG-TO220-3-1 package: insulated plastic case with three leads, metal tab (Drain) electrically connected to pin 2, suitable for mechanical mounting to heatsinks with electrical isolation.

Pin/Terminal	Circuit Role	Design Meaning
1 (Source)	Power return path for channel current	Low-inductance connection point for PCB ground plane; ties to source of complementary high-side switch in half-bridge
2 (Drain)	Main current output terminal	Internally bonded to metal tab; must be isolated from heatsink unless system design permits common-drain topology
3 (Gate)	Control input for channel modulation	High-impedance node requiring <100 nA leakage tolerance; sensitive to layout-induced ringing due to 158 pF Crss

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive under-hood use including temperature cycling, humidity, and mechanical shock per JESD47
100% unclamped inductive switching (UIS) test	Guarantees single-pulse avalanche robustness to 410 mJ without parameter shift or failure
MSL1 rating (260 °C peak reflow)	Enables compatibility with lead-free SMT assembly processes despite TO-220 through-hole form factor
Optimized gate charge profile	Q_gd/Q_gs ratio of ~0.9 ensures predictable Miller plateau duration and reduces risk of shoot-through in bridge circuits
Low R_DS(on) × Q_g figure-of-merit	~120 Ω·nC - balances conduction and switching loss for 100–300 kHz motor inverter operation

Applications

Engine Control Unit (ECU) Fuel Injector Driver

Automotive HVAC Blower Motor Controller

Use Scenario: High-side switching of 12 V solenoid injectors with 2–5 ms pulse width and 10 A peak current.

IC Role / Device Role / Timing Role: Low-side power switch in saturated mode with fast turn-on/turn-off to minimize dwell time error.

Use Value: 11.3 mΩ R_DS(on) limits on-state loss to <1.2 W, while 8 ns t_r/t_f ensures precise 1 µs timing resolution in closed-loop fuel metering.

Use Scenario: PWM-controlled 12 V DC blower motor delivering 300–600 W airflow across cabin zones.

IC Role / Device Role / Timing Role: Half-bridge low-side switch operating at 20 kHz with 0–100% duty cycle.

Use Value: 410 mJ E_AS withstands motor inductance flyback during 100% duty-cycle transitions; 175 °C T_j rating sustains operation in sealed dash enclosures.

12 V–48 V Bidirectional DC-DC Converter

Electric Power Steering (EPS) Phase Leg

Use Scenario: Synchronous rectifier in secondary-side of isolated LLC resonant converter for 48 V mild-hybrid architecture.

IC Role / Device Role / Timing Role: Low-side synchronous rectifier replacing Schottky diode to reduce conduction loss at 50–100 A.

Use Value: 0.6–1.2 V V_SD and 265 nC Q_rr enable >98% efficiency at full load; body diode softness minimizes voltage overshoot during zero-current switching.

Use Scenario: Three-phase inverter driving 300–500 W brushless motor in column-assist EPS module.

IC Role / Device Role / Timing Role: Low-side switch in each phase leg, commutated at 8–16 kHz with dead-time control.

Use Value: 1.2 K/W R_thJC allows direct heatsink mounting on aluminum housing; AEC-Q101 qualification ensures functional safety compliance per ISO 26262 ASIL-B.

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	Same die, PG-TO263-3-2 package (D²PAK); lower R_thJA (40 K/W on 6 cm² PCB) but requires surface-mount assembly	Better suited for space-constrained PCBs with thermal pads; not compatible with through-hole rework or manual prototyping	Select when board-level thermal management prioritizes PCB copper area over mechanical serviceability
IPI70N12S3-11	Same die, PG-TO262-3-1 package (I²PAK); identical R_thJC (1.2 K/W) but larger creepage distance than TO-220	Preferred for high-voltage isolation requirements (e.g., 400 V bus precharge circuits) where TO-220 creepage is marginal	Select when reinforced insulation or higher working voltage clearance is mandated by system safety standards

Compared with IPB70N12S3-11 and IPI70N12S3-11, IPP70N12S311AKSA1 offers optimal balance of mechanical robustness, repairability, and thermal interface simplicity in legacy automotive harness-connected modules using through-hole assembly.

Availability

IPP70N12S311AKSA1 is available at Aetrix Electronics and suitable for automotive engine control units, HVAC motor drives, and bidirectional DC-DC converters requiring stable component supply across multi-year vehicle production cycles.

Supply support for IPP70N12S311AKSA1 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 12 V automotive power conversion and motor control applications demanding AEC-Q101 compliance and extended temperature operation.

FAQ

What is the maximum allowable gate-source voltage for IPP70N12S311AKSA1?

The absolute maximum V_GS is ±20 V, with recommended operating range of –10 V to +15 V. Exceeding +15 V risks permanent gate oxide damage, while negative gate bias below –10 V may cause unintended turn-on due to parasitic capacitance coupling in high-dV/dt environments such as motor phase legs.

Does IPP70N12S311AKSA1 require a gate resistor, and what value is recommended?

Yes-a series gate resistor is required to dampen oscillation and control switching speed. For 10 V gate drive and 3.5 Ω typical external R_G, the datasheet specifies 17 ns t_d(on) and 8 ns t_r. Values between 2.2 Ω and 10 Ω are used depending on EMI constraints and shoot-through risk in bridge configurations.

Can IPP70N12S311AKSA1 be used in parallel configurations?

Yes, but only with matched devices and symmetrical PCB layout. Its positive R_DS(on) temperature coefficient (0.4 mΩ/°C) provides inherent current sharing above 100 °C, though gate drive skew and thermal coupling must be minimized to avoid imbalance exceeding 15% at full load.

Is the metal tab of IPP70N12S311AKSA1 electrically connected to any internal node?

Yes-the metal tab is internally connected to the Drain (pin 2). When mounted to a heatsink, electrical isolation (e.g., mica washer or silicone pad) is mandatory unless the heatsink is referenced to the Drain potential in the system schematic.

IPP70N12S311AKSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: OptiMOS™

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

IPP70N12S311AKSA1 FAQ

1.How can I place an order for IPP70N12S311AKSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for IPP70N12S311AKSA1 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 IPP70N12S311AKSA1 reliable?

The price and inventory of IPP70N12S311AKSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IPP70N12S311AKSA1 is usually 5 days.

3.What payment methods are accepted for IPP70N12S311AKSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IPP70N12S311AKSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IPP70N12S311AKSA1?

IPP70N12S311AKSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IPP70N12S311AKSA1 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 IPP70N12S311AKSA1?

For technical support, including IPP70N12S311AKSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IPP70N12S311AKSA1 requirements.

6.How does Aetrix verify that IPP70N12S311AKSA1 is sourced from the original manufacturer or authorized distributors?

All IPP70N12S311AKSA1 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 IPP70N12S311AKSA1 meets industry standards.

7.What is the process for return or replacement of IPP70N12S311AKSA1?

All IPP70N12S311AKSA1 units undergo pre-shipment inspection (PSI). If there is an issue with IPP70N12S311AKSA1, 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 IPP70N12S311AKSA1 part is unused and in its original packaging.

Return procedure for IPP70N12S311AKSA1:

1.Submit a request within 90 days.

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

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