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

Infineon Technologies AUIRLR3636

Name: AUIRLR3636
Brand: Infineon Technologies
SKU: AUIRLR3636
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AUIRLR3636

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-252-3, DPAK (2 Leads + Tab), SC-63

Datasheet:: AUIRLR3636.pdf

Description:: MOSFET N-CH 60V 50A DPAK

Quantity:: RFQ Add To RFQ list

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Product details

Overview

AUIRLR3636 from Infineon is an automotive-grade N-channel enhancement-mode HEXFET® Power MOSFET in D-Pak (TO-252AA) package, designed for high-efficiency DC-DC conversion and motor control in engine management systems. It delivers 60 V V_DS, 5.4 mΩ R_DS(on) @ 10 V, 99 A silicon-limited continuous drain current at 25°C, and operates up to 175°C junction temperature.

For engineers reviewing the AUIRLR3636 datasheet, AUIRLR3636 pinout, AUIRLR3636 application, or AUIRLR3636 equivalent, this page provides verified electrical parameters, thermal performance data, gate drive compatibility with 4.5 V logic-level signals, and validated automotive use cases including starter solenoid drivers and battery disconnect switches.

Technical Context

This MOSFET employs advanced trench-gate process technology to achieve ultra-low on-resistance per die area while maintaining robust avalanche capability. Its 175°C rated junction temperature and repetitive avalanche rating up to T_jmax enable operation in under-hood environments without derating penalties typical of commercial-grade devices.

Dynamic characteristics include 33 nC total gate charge, 15 nC gate-to-drain charge, and fast switching with 45 ns turn-on delay and 69 ns fall time at 50 A. The body diode exhibits 27 ns reverse recovery time and 31 nC Q_rr at 25°C, supporting synchronous rectification in high-frequency buck converters.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	60 V - Withstands transient overvoltage spikes in 12 V automotive systems up to ISO 7637-2 Pulse 5a (75 V/100 ms).
R_DS(on) @ 10 V	5.4 mΩ typ. - Enables ≤12 W conduction loss at 50 A, critical for minimizing thermal stress in compact power modules.
I_D (Silicon Limited)	99 A @ T_C = 25°C - Supports high-current loads such as electric power steering (EPS) assist motors.
E_AS	170 mJ - Allows unclamped inductive switching in solenoid drivers without external snubbers.
Q_g	33 nC typ. - Compatible with low-power gate drivers like Infineon's 2EDN7524R, reducing driver IC selection constraints.
T_J Range	–55°C to +175°C - Meets AEC-Q101 requirements for under-hood placement without heatsink dependency.
V_GS(th)	1.0–2.5 V - Ensures reliable turn-on with standard 3.3 V or 5 V microcontroller GPIOs.

Pinout & Package

D-Pak (TO-252AA) surface-mount package with exposed drain pad for enhanced thermal transfer to PCB copper. Standard footprint per Infineon application note AN-994; recommended 1"² FR-4 copper pour for R_θJA = 50°C/W.

Pin/Terminal	Circuit Role	Design Meaning
Drain (D)	Main current path output terminal	Connected to exposed metal tab; must be soldered to large PCB copper area for thermal and current handling.
Source (S)	Reference node for gate drive and current sensing	Low-inductance connection required for accurate current monitoring and stable gate control.
Gate (G)	Control input for channel conduction	Logic-level compatible; requires <10 Ω series resistance to suppress ringing during fast switching.

Key Features

Feature	Design Value
Automotive qualification	AEC-Q101 qualified per Infineon's automotive standards; full traceability and PPAP support available.
Repetitive avalanche rating	Rated for unlimited repetitive avalanche events as long as T_j ≤ 175°C - eliminates need for external clamping in inductive load switching.
Ultra-low R_DS(on)	5.4 mΩ @ 10 V enables >96% efficiency in 48 V–12 V DC-DC converters at 30 A output.
Fast body diode recovery	27 ns t_rr and 31 nC Q_rr at 25°C reduce switching losses in synchronous rectifier topologies.
Lead-free & RoHS compliant	Meets EU Directive 2011/65/EU and JESD204B; compatible with lead-free reflow profiles (peak 260°C).

Applications

Engine Control Unit (ECU) Load Switching

Electric Power Steering (EPS) Motor Driver

Use Scenario: High-side switching of fuel injector solenoids and idle air control valves in gasoline direct injection engines.

IC Role / Device Role / Timing Role: Power switch controlling 12 V/5 A inductive loads with 10 µs–20 ms pulse widths.

Use Value: 175°C rating avoids thermal shutdown during extended idling; 5.4 mΩ R_DS(on) limits self-heating to <3°C rise at 5 A.

Use Scenario: Half-bridge leg in 12 V EPS motor H-bridge driving brushed DC assist motor.

IC Role / Device Role / Timing Role: Low-side switch operating at 20 kHz PWM with 50 A peak current.

Use Value: 33 nC Q_g enables efficient gate drive with integrated half-bridge driver ICs; fast 69 ns fall time reduces cross-conduction loss.

Battery Disconnect Switch (BMS)

Start-Stop System Solenoid Driver

Use Scenario: Solid-state replacement for mechanical relay in 12 V battery management systems for hybrid vehicles.

IC Role / Device Role / Timing Role: Bidirectional blocking switch isolating starter battery from auxiliary loads during cranking.

Use Value: 60 V V_DS withstands load dump transients; 99 A I_D supports 500 A cold-cranking surge via parallel configuration.

Use Scenario: Driving 12 V starter solenoid coil (200 mH, 10 Ω) in micro-hybrid start-stop systems.

IC Role / Device Role / Timing Role: Single-pulse high-current switch delivering 50 A for 100 ms during engine restart.

Use Value: 170 mJ E_AS absorbs energy from coil de-energization without snubber; 175°C rating sustains repeated cycles without degradation.

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
STL220N6F7	60 V, 2.2 mΩ R_DS(on) @ 10 V, 220 A I_D, TO-263 package - lower R_DS(on) but larger footprint and higher Q_g (65 nC).	Preferred for high-current inverters where board space allows; less suitable for compact D-Pak layouts.	Select when thermal budget permits larger package and higher gate drive power is acceptable.
IRLR8729PbF	60 V, 6.0 mΩ R_DS(on) @ 10 V, 72 A I_D, same D-Pak package - slightly higher on-resistance and lower current rating.	Valid drop-in replacement where 5.4 → 6.0 mΩ increase is acceptable and 72 A suffices.	Choose for cost-sensitive designs where minor efficiency trade-off is acceptable and legacy design reuse is prioritized.

Compared with STL220N6F7, AUIRLR3636 offers tighter board integration and lower gate drive demand; versus IRLR8729PbF, it delivers 11% lower conduction loss and 23% higher silicon-limited current-critical for thermally constrained automotive modules.

Availability

AUIRLR3636 is available at Aetrix Electronics and suitable for engine control units, electric power steering systems, battery disconnect switches, and start-stop solenoid drivers requiring stable component supply across automotive production lifecycles.

Supply support for AUIRLR3636 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 is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and quality certification to IATF 16949.

AUIRLR3636 belongs to Infineon's automotive-qualified HEXFET® Power MOSFET product line, engineered specifically for high-reliability, high-temperature switching in engine bay and chassis-mounted electronic control units.

FAQ

Is AUIRLR3636 suitable for 48 V mild-hybrid applications?

Yes - its 60 V V_DS rating provides 25% margin above nominal 48 V bus, and 175°C operation supports under-hood mounting near DC-DC converters. However, system-level transient protection must handle ISO 16750-2 load dump peaks up to 60 V, which falls at the absolute maximum limit.

What is the maximum safe continuous current at 100°C case temperature?

Per datasheet Figure 9, the silicon-limited continuous drain current at T_C = 100°C is 70 A with V_GS = 10 V. This assumes adequate PCB copper area to maintain T_C ≤ 100°C; actual current must be derated if ambient or airflow conditions exceed test conditions.

Does AUIRLR3636 require a gate resistor for automotive EMI compliance?

Yes - a 5–10 Ω series gate resistor is recommended to dampen ringing caused by PCB trace inductance and MOSFET gate capacitance. This reduces dv/dt-induced EMI and prevents false triggering in noisy automotive environments per CISPR 25 Class 5 requirements.

Can the body diode be used for freewheeling in synchronous rectification?

Yes - the body diode has 27 ns t_rr and 1.3 V V_SD at 50 A, enabling use in synchronous buck topologies up to 200 kHz. However, external Schottky diodes may be preferred for <100 ns switching due to lower forward voltage and no Q_rr-related losses.

AUIRLR3636 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: HEXFET®

Package/Case:: TO-252-3, DPAK (2 Leads + Tab), SC-63

Packaging:: Tube

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 60 V

Current - Continuous Drain (Id) @ 25°C:: 50A (Tc)

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

Rds On (Max) @ Id, Vgs:: 6.8mOhm @ 50A, 10V

Vgs(th) (Max) @ Id:: 2.5V @ 100µA

Gate Charge (Qg) (Max) @ Vgs:: 49 nC @ 4.5 V

Vgs (Max):: ±16V

Input Capacitance (Ciss) (Max) @ Vds:: 3779 pF @ 50 V

FET Feature:: -

Power Dissipation (Max):: 143W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: TO-252AA (DPAK)

AUIRLR3636 FAQ

1.How can I place an order for AUIRLR3636 through Aetrix?

Please submit a Request for Quotation (RFQ) for AUIRLR3636 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 AUIRLR3636 reliable?

The price and inventory of AUIRLR3636 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AUIRLR3636 is usually 5 days.

3.What payment methods are accepted for AUIRLR3636?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AUIRLR3636 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AUIRLR3636?

AUIRLR3636 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AUIRLR3636 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 AUIRLR3636?

For technical support, including AUIRLR3636 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AUIRLR3636 requirements.

6.How does Aetrix verify that AUIRLR3636 is sourced from the original manufacturer or authorized distributors?

All AUIRLR3636 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 AUIRLR3636 meets industry standards.

7.What is the process for return or replacement of AUIRLR3636?

All AUIRLR3636 units undergo pre-shipment inspection (PSI). If there is an issue with AUIRLR3636, 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 AUIRLR3636 part is unused and in its original packaging.

Return procedure for AUIRLR3636:

1.Submit a request within 90 days.

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

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