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

Infineon Technologies IPP70N10S312AKSA1

Name: IPP70N10S312AKSA1
Brand: Infineon Technologies
SKU: IPP70N10S312AKSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: IPP70N10S312AKSA1

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-220-3

Datasheet:: IPP70N10S312AKSA1.pdf

Description:: MOSFET N-CH 100V 70A TO220-3

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Product details

Overview

IPP70N10S312AKSA1 from Infineon Technologies is an N-channel enhancement-mode automotive-grade power MOSFET in PG-TO220-3-1 package, rated for 100 V V_DS, 70 A continuous drain current at T_C = 25 °C, and 11.6 mΩ max R_DS(on) at V_GS = 10 V. It is AEC-Q101 qualified, 100% avalanche tested, and operates up to 175 °C - deployed in high-reliability DC-DC converters and motor control stages in engine management systems.

For engineers reviewing the IPP70N10S312AKSA1 datasheet, IPP70N10S312AKSA1 pinout, IPP70N10S312AKSA1 application, or IPP70N10S312AKSA1 equivalent, key selection criteria include its 1.2 K/W R_thJC, 410 mJ single-pulse avalanche energy, gate plateau voltage of 5.5 V, and diode forward voltage of 1.2 V at 70 A - critical for thermal design, fault robustness, and synchronous rectification efficiency.

Technical Context

This OptiMOS™-T device uses trench-gate superjunction technology optimized for low conduction and switching losses in hard-switched 12–48 V automotive power stages. Its 9.7 mΩ typical R_DS(on) and 51 nC total gate charge enable high-efficiency operation at 100 kHz PWM frequencies with minimal drive loss.

The integrated body diode exhibits 100 ns reverse recovery time and 265 nC Q_rr, supporting fast freewheeling in buck converters and H-bridge motor drives without external Schottky supplementation under nominal conditions.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	100 V - supports 48 V automotive battery systems with 2× safety margin against load dump transients
I_D (continuous)	70 A @ T_C = 25 °C - delivers full output current without derating on standard TO-220 heatsinks
R_DS(on) max	11.6 mΩ @ V_GS = 10 V - limits conduction loss to ≤5.7 W at 70 A, enabling compact thermal design
E_AS	410 mJ - withstands single-pulse inductive energy from 35 A loads, critical for solenoid and relay driving
Q_g	66 nC max - determines gate driver power requirement and switching speed in 100 kHz+ applications
V_GS(th)	2.0–4.0 V - ensures reliable turn-on with standard 5 V logic-level drivers while avoiding false triggering
T_j max	+175 °C - enables operation in under-hood environments without thermal shutdown in engine control units

Pinout & Package

IPP70N10S312AKSA1 is housed in PG-TO220-3-1 package: insulated tab, vertical mounting, lead-free, RoHS-compliant, MSL1 rated for 260 °C peak reflow. The case serves as the Drain terminal; leads are Gate (pin 1), Source (pin 2), Drain (tab).

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (left)	Gate	High-impedance control input requiring ≤66 nC charge for full enhancement; sensitive to ESD
Pin 2 (center)	Source	Reference node for gate drive; carries full load current and must be low-inductance routed
Drain (tab)	Drain	High-current power path; electrically connected to heatsink - requires isolation if heatsink is grounded

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive powertrain and chassis applications per stress test requirements
100% unclamped inductive switching (UIS) tested	Each unit verified to survive 410 mJ avalanche energy - no screening failures in production
Optimized body diode	100 ns t_rr and 265 nC Q_rr reduce switching loss and ringing in synchronous rectifier topologies
Thermal resistance R_thJC	1.2 K/W - enables >100 W dissipation with modest heatsinking, reducing system size vs. higher-R_th alternatives
Green product (RoHS)	Lead-free terminations and halogen-free molding compound compliant with EU Directive 2011/65/EU

Applications

Engine Control Unit (ECU) Fuel Injector Driver

Automotive DC-DC Converter (12 V → 5 V)

Use Scenario: High-speed switching of 12 V fuel injectors with 1–5 ms pulse width and 10 A peak current.

IC Role / Device Role / Timing Role: Main power switch controlling injector coil energization and demagnetization via controlled avalanche.

Use Value: 410 mJ E_AS absorbs coil flyback energy without snubber, eliminating external components and improving reliability.

Use Scenario: Primary-side switch in 150 W isolated buck-derived converter powering ADAS sensors.

IC Role / Device Role / Timing Role: Hard-switched 100 kHz PWM transistor delivering regulated 5 V from 12 V battery input.

Use Value: 11.6 mΩ R_DS(on) and 66 nC Q_g jointly achieve >94% efficiency at full load while maintaining thermal margin.

Electric Power Steering (EPS) Motor Phase Leg

12 V Automotive HVAC Blower Driver

Use Scenario: Half-bridge phase leg in 3-phase inverter driving 200 W EPS assist motor.

IC Role / Device Role / Timing Role: Low-side switch handling bidirectional current during regenerative braking and PWM commutation.

Use Value: 70 A I_D rating and 175 °C T_j max ensure continuous torque delivery under hood ambient up to 125 °C.

Use Scenario: Single-ended switch controlling brushed DC blower motor in climate control system.

IC Role / Device Role / Timing Role: On/off and PWM-controlled power stage interfacing microcontroller GPIO to 30 A motor load.

Use Value: 2.0–4.0 V V_GS(th) allows direct drive from 3.3 V or 5 V MCU outputs without level-shifting circuitry.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
IPP70N10S3-12	Same die, identical electrical specs; differs only in packaging marking (no 'A' suffix) and minor traceability coding	No functional difference; accepted interchangeably in all automotive OEM designs	Select when legacy BOM references non-AKSA1 variant or when distributor stock favors base part number
IPB70N10S3-12	Same silicon, but in PG-TO263-3-2 (D²PAK) package; R_thJC = 1.2 K/W unchanged, but PCB thermal path differs	Better suited for automated SMT assembly; requires different footprint and reflow profile vs. through-hole TO-220	Choose for space-constrained PCBs where surface-mount is mandatory and thermal vias can replicate TO-220 heatsink performance

Compared with IPP70N10S312AKSA1, IPP70N10S3-12 offers identical performance in legacy form factor, while IPB70N10S3-12 shifts thermal management from heatsink to PCB - enabling either drop-in replacement or layout-driven migration to SMT.

Availability

IPP70N10S312AKSA1 is available at Aetrix Electronics and suitable for automotive engine control, EPS motor drives, and 12 V DC-DC converters requiring stable component supply across extended temperature and long lifecycle programs.

Supply support for IPP70N10S312AKSA1 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 manufacturing and R&D centers.

This device belongs to the OptiMOS™-T family - engineered specifically for high-current, high-temperature automotive power switching where avalanche ruggedness and AEC-Q101 compliance are mandatory.

FAQ

Is IPP70N10S312AKSA1 pin-compatible with IPP70N10S3-12?

Yes - both use identical PG-TO220-3-1 package with Gate, Source, Drain pinout in the same physical configuration. The 'AKSA1' suffix denotes enhanced traceability and packaging per Infineon's 2010+ quality revision, but mechanical and electrical pin mapping is fully identical.

What is the maximum recommended gate resistor value for 100 kHz switching?

With 66 nC Q_g and typical gate driver output impedance <2 Ω, a 10 Ω series gate resistor achieves ~100 ns rise/fall times and limits peak gate current to <1.5 A - balancing EMI control and switching loss. Values above 22 Ω increase t_r/t_f beyond 200 ns and raise conduction loss disproportionately.

Does the body diode support synchronous rectification in buck converters?

It supports forced-commutated synchronous rectification at ≤100 kHz with acceptable loss, but its 100 ns t_rr and 265 nC Q_rr cause measurable reverse recovery loss versus discrete Schottky diodes. For >95% efficiency targets, external SiC Schottky clamping is recommended in high-frequency designs.

Can IPP70N10S312AKSA1 replace older IPP70N10S3-09 in existing designs?

No - the '-09' variant has 9.5 mΩ max R_DS(on) and lower Q_g (55 nC), while this '-12' version trades some conduction loss for improved avalanche ruggedness and thermal stability. Substitution requires revalidation of thermal margin and gate drive capability due to higher Q_g and R_DS(on).

IPP70N10S312AKSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: OptiMOS™ T

Package/Case:: TO-220-3

Packaging:: Tube

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 100 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:: 66 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:: -

Qualification:: -

Mounting Type:: Through Hole

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

IPP70N10S312AKSA1 FAQ

1.How can I place an order for IPP70N10S312AKSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for IPP70N10S312AKSA1 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 IPP70N10S312AKSA1 reliable?

The price and inventory of IPP70N10S312AKSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IPP70N10S312AKSA1 is usually 5 days.

3.What payment methods are accepted for IPP70N10S312AKSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IPP70N10S312AKSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IPP70N10S312AKSA1?

IPP70N10S312AKSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IPP70N10S312AKSA1 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 IPP70N10S312AKSA1?

For technical support, including IPP70N10S312AKSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IPP70N10S312AKSA1 requirements.

6.How does Aetrix verify that IPP70N10S312AKSA1 is sourced from the original manufacturer or authorized distributors?

All IPP70N10S312AKSA1 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 IPP70N10S312AKSA1 meets industry standards.

7.What is the process for return or replacement of IPP70N10S312AKSA1?

All IPP70N10S312AKSA1 units undergo pre-shipment inspection (PSI). If there is an issue with IPP70N10S312AKSA1, 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 IPP70N10S312AKSA1 part is unused and in its original packaging.

Return procedure for IPP70N10S312AKSA1:

1.Submit a request within 90 days.

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

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