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

Infineon Technologies IPP70N12S3L12AKSA1

Name: IPP70N12S3L12AKSA1
Brand: Infineon Technologies
SKU: IPP70N12S3L12AKSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: IPP70N12S3L12AKSA1

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-220-3

Datasheet:: IPP70N12S3L12AKSA1.pdf

Description:: MOSFET N-CHANNEL_100+

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Product details

Overview

IPP70N12S3L12AKSA1 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 10.1–12.1 mΩ R_DS(on) at V_GS = 10 V. It operates up to 175 °C junction temperature and is 100% avalanche tested-designed for high-reliability automotive power switching such as engine control unit (ECU) load drivers.

For engineers reviewing the IPP70N12S3L12AKSA1 datasheet, IPP70N12S3L12AKSA1 pinout, IPP70N12S3L12AKSA1 application, or IPP70N12S3L12AKSA1 equivalent, key selection criteria include its 1.2 K/W R_thJC, 12.2 mΩ typical R_DS(on) at 4.5 V gate drive, 4270 pF C_iss, 175 °C max operating temperature, and AEC-Q101 qualification for under-hood automotive use.

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 threshold voltage (1.2–2.4 V) enables robust 3.3 V/5 V logic-level drive compatibility while maintaining noise immunity via controlled V_GS(th) distribution.

The MOSFET integrates a fast, low-loss body diode with 80 ns t_rr, 185 nC Q_rr, and 0.6–1.2 V V_SD at 70 A, supporting synchronous rectification and inductive load switching without external freewheeling diodes in motor control and DC-DC converters.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	120 V - supports full 12 V automotive battery rail with margin against load dump transients
R_DS(on) max @ 10 V	12.1 mΩ - ensures ≤ 60 W conduction loss at 70 A, enabling compact thermal design
I_D continuous @ 25 °C	70 A - delivers high-current capability for solenoid, fan, and pump drivers
E_AS single pulse	410 mJ - withstands inductive energy spikes in relay and motor switching without failure
R_thJC	1.2 K/W - enables efficient heat transfer to heatsink in TO-220 mounting configuration
Q_g total	77 nC max - determines gate driver strength requirement for <30 ns turn-on/turn-off times
t_rr	80 ns - minimizes reverse recovery loss and EMI in hard-switched topologies

Pinout & Package

IPP70N12S3L12AKSA1 is housed in PG-TO220-3-1 package: through-hole, insulated tab, 3-pin layout with drain-connected metal tab for direct heatsinking. Pin 1 = Gate, Pin 2 = Drain (tab), Pin 3 = Source.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (Gate)	Control electrode	Accepts 0–10 V logic-level signal; requires ≤77 nC charge for full enhancement
Pin 2 (Drain)	High-side power terminal	Internally connected to metal tab; must be electrically isolated from heatsink unless floating topology used
Pin 3 (Source)	Reference node	Serves as return path for gate drive and load current; defines local ground reference for driver IC

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive under-hood operation including temperature cycling, humidity, and mechanical shock per JESD22 standards
100% unclamped inductive switching (UIS) tested	Guarantees single-pulse avalanche ruggedness up to 410 mJ at T_j = 25 °C
MSL1 rating (260 °C peak reflow)	Enables standard lead-free PCB assembly without moisture sensitivity concerns
Green (RoHS-compliant) construction	Meets EU Directive 2011/65/EU with no lead, mercury, cadmium, hexavalent chromium, PBB, or PBDE
Low gate charge asymmetry (Q_gd/Q_gs ≈ 0.7)	Reduces Miller-induced shoot-through risk during high-dV/dt switching in half-bridge configurations

Applications

Engine Control Unit (ECU) Load Driver

Automotive HVAC Blower Motor Control

Use Scenario: Switching 12 V inductive loads (fuel injectors, ignition coils, solenoids) in engine management systems.

IC Role / Device Role / Timing Role: High-side power switch with precise PWM-controlled on/off timing and fast turn-off to limit inductive kickback.

Use Value: 175 °C rating allows placement near hot engine components; 410 mJ E_AS absorbs coil energy without snubber circuits.

Use Scenario: Controlling variable-speed DC blower motors in climate control modules.

IC Role / Device Role / Timing Role: Low-side switching element in H-bridge or single-ended drive, handling bidirectional current during braking.

Use Value: Body diode t_rr = 80 ns and Q_rr = 185 nC minimize commutation loss and audible noise during PWM modulation.

12 V Automotive DC-DC Converter Primary Switch

Electric Power Steering (EPS) Phase Leg

Use Scenario: High-frequency primary-side switch in buck-derived 12 V → 5 V/3.3 V regulators for ADAS sensors.

IC Role / Device Role / Timing Role: Synchronous rectifier replacement in secondary side or primary switch in non-isolated topologies.

Use Value: 12.2 mΩ R_DS(on) at 4.5 V enables efficient operation with low-voltage microcontroller GPIO drive.

Use Scenario: Half-bridge leg in three-phase inverter driving EPS assist motor.

IC Role / Device Role / Timing Role: Low-side switch in phase-leg configuration requiring fast, rugged body diode recovery.

Use Value: 70 A I_D and 1.2 K/W R_thJC support sustained 15–20 A RMS phase current with minimal heatsink volume.

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
IPB70N12S3L-12	PG-TO263-3-2 package; 11.8 mΩ R_DS(on) max (SMD); identical electrical specs	Requires surface-mount PCB layout; better thermal performance on 6 cm² copper area (R_thJA = 40 K/W)	Select for space-constrained, automated SMT production where board-level thermal management is optimized.
IPI70N12S3L-12	PG-TO262-3-1 package; same R_DS(on) and ratings; leaded variant with isolated tab	Through-hole mounting with improved creepage distance; suited for high-voltage isolation requirements	Select when reinforced insulation or higher working voltage clearance is mandated in safety-critical subsystems.

Compared with IPB70N12S3L-12 and IPI70N12S3L-12, IPP70N12S3L12AKSA1 offers identical silicon performance in a cost-optimized TO-220 package ideal for prototyping, service replacement, and medium-volume under-hood modules where manual assembly or field repairability matters.

Availability

IPP70N12S3L12AKSA1 is available at Aetrix Electronics and suitable for automotive engine control units, HVAC blower systems, and electric power steering modules requiring stable component supply across extended temperature and lifecycle demands.

Supply support for IPP70N12S3L12AKSA1 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, sensor, and automotive ICs, with global manufacturing and R&D centers.

This device belongs to the OptiMOS™-T product line-engineered specifically for high-efficiency, high-reliability 12 V automotive power switching with emphasis on ruggedness, thermal performance, and AEC-Q101 compliance.

FAQ

Is IPP70N12S3L12AKSA1 suitable for 48 V mild-hybrid systems?

No. Its 120 V V_DS rating provides only ~2× margin over nominal 48 V bus, insufficient for load dump transients (up to 60 V) plus safety margin. Use 200 V+ rated devices like IPP200N15N3 for 48 V architectures.

What is the maximum recommended gate resistor for PWM switching at 20 kHz?

A 10 Ω gate resistor is recommended for 20 kHz operation with standard 1 A peak gate drivers. This balances switching speed (t_d(on) ≈ 10 ns, t_f ≈ 5 ns) and EMI suppression, keeping Q_g-driven overshoot below 0.5 V.

Does this MOSFET require a negative gate turn-off voltage?

No. The device has no requirement for negative V_GS; it fully turns off at 0 V gate bias. However, applying –5 V improves noise immunity in high-dV/dt environments like motor drives, though not necessary for basic ECU load switching.

Can IPP70N12S3L12AKSA1 replace IPP65R120CFD7 in a 12 V application?

No. IPP65R120CFD7 is a 650 V SiC MOSFET intended for high-voltage PFC stages-not functionally or electrically compatible. IPP70N12S3L12AKSA1 is strictly for 12 V automotive low-side/high-side switching and cannot substitute in >100 V circuits.

IPP70N12S3L12AKSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: OptiMOS™ T

Package/Case:: TO-220-3

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:: 70A (Tc)

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

Rds On (Max) @ Id, Vgs:: 12.1mOhm @ 70A, 10V

Vgs(th) (Max) @ Id:: 2.4V @ 83µA

Gate Charge (Qg) (Max) @ Vgs:: 77 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 5550 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

IPP70N12S3L12AKSA1 FAQ

1.How can I place an order for IPP70N12S3L12AKSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for IPP70N12S3L12AKSA1 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 IPP70N12S3L12AKSA1 reliable?

The price and inventory of IPP70N12S3L12AKSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IPP70N12S3L12AKSA1 is usually 5 days.

3.What payment methods are accepted for IPP70N12S3L12AKSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IPP70N12S3L12AKSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IPP70N12S3L12AKSA1?

IPP70N12S3L12AKSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IPP70N12S3L12AKSA1 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 IPP70N12S3L12AKSA1?

For technical support, including IPP70N12S3L12AKSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IPP70N12S3L12AKSA1 requirements.

6.How does Aetrix verify that IPP70N12S3L12AKSA1 is sourced from the original manufacturer or authorized distributors?

All IPP70N12S3L12AKSA1 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 IPP70N12S3L12AKSA1 meets industry standards.

7.What is the process for return or replacement of IPP70N12S3L12AKSA1?

All IPP70N12S3L12AKSA1 units undergo pre-shipment inspection (PSI). If there is an issue with IPP70N12S3L12AKSA1, 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 IPP70N12S3L12AKSA1 part is unused and in its original packaging.

Return procedure for IPP70N12S3L12AKSA1:

1.Submit a request within 90 days.

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

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