Infineon Technologies AUIRFR3504ZTRL
- Part No.:
- AUIRFR3504ZTRL
- Manufacturer:
- Infineon Technologies
- Category:
- FETs, MOSFETs
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
AUIRFR3504ZTRL.pdf
- Description:
- MOSFET N-CH 40V 42A DPAK
- Quantity:
- Payment:

- Shipping:

Inventory:3,841
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Product details
Overview
AUIRFR3504ZTRL from Infineon is an automotive-grade N-channel enhancement-mode HEXFET® Power MOSFET in D-Pak (TO-252) package, rated for 40V VDS, 9.0 mΩ RDS(on) max at VGS = 10 V and ID = 42 A, with 175°C maximum junction temperature and repetitive avalanche capability. It serves as a high-efficiency main or synchronous rectifier switch in 12V automotive power distribution systems including engine control modules and body electronics.
For engineers reviewing the AUIRFR3504ZTRL datasheet, AUIRFR3504ZTRL pinout, AUIRFR3504ZTRL application, or AUIRFR3504ZTRL equivalent, key selection criteria include its 42A package-limited continuous drain current, 30 nC typical gate charge, 1.66°C/W junction-to-case thermal resistance, and validated unclamped inductive switching performance up to 110 mJ single-pulse avalanche energy.
Technical Context
This MOSFET employs Infineon's advanced trench-gate process to achieve low on-resistance per die area while maintaining robust short-circuit withstand time and controlled dv/dt during diode recovery. Its gate threshold voltage (2.0–4.0 V) and 32 S forward transconductance enable stable drive under wide temperature and supply variation.
The device integrates a monolithic body diode with 18 ns typical reverse recovery time and 9.2 nC Qrr, supporting high-frequency synchronous rectification. Thermal design is anchored by a 1.66°C/W RθJC, enabling direct heatsink mounting without PCB copper plane dependency for high-power automotive loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 40 V - Maximum drain-source blocking voltage compatible with 12V automotive battery systems including load dump transients. |
| RDS(on) max | 9.0 mΩ @ VGS = 10 V, ID = 42 A - Enables <1.6 W conduction loss at 42 A, critical for thermally constrained under-hood modules. |
| ID (Package) | 42 A @ TC = 25°C - Package-limited continuous current defines safe operating area when mounted on standard D-Pak footprint. |
| Qg typ | 30 nC - Low gate charge reduces driver power and enables efficient 100–200 kHz PWM switching in DC-DC converters. |
| EAS tested | 110 mJ - Validated single-pulse avalanche energy ensures reliability during inductive turn-off events in motor drivers and solenoid controls. |
| TJ max | +175°C - Junction temperature rating supports operation in high-ambient environments such as engine compartments. |
| RθJC | 1.66°C/W - Enables direct thermal coupling to heatsink; allows >50 W steady-state dissipation with ≤83°C case-to-ambient delta. |
Pinout & Package
Supplied in D-Pak (TO-252) surface-mount package with exposed drain pad for thermal and electrical connection. Standard pin assignment: Pin 1 = Gate, Pin 2 = Drain (tab), Pin 3 = Source.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Gate (Pin 1) | Control input | Receives 10 V logic-level gate drive; 2.0–4.0 V threshold enables compatibility with 3.3 V/5 V microcontrollers via level-shifting or buffer. |
| Drain (Pin 2 / Tab) | High-side or low-side power path | Exposed copper tab connects directly to PCB copper pour or heatsink; carries full load current and dissipates heat via junction-to-case path. |
| Source (Pin 3) | Reference node for gate drive and current sensing | Serves as return path for load current and provides ground reference for gate driver ICs; used for low-side current monitoring with shunt resistor. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q101 qualified for engine control, transmission, and ADAS subsystems with full traceability and zero-defect manufacturing. |
| Repetitive avalanche rating | Validated for repeated unclamped inductive switching up to TJmax; eliminates need for external snubbers in solenoid and relay drivers. |
| Fast body diode | 18 ns trr, 9.2 nC Qrr - Enables high-frequency synchronous rectification in buck converters without external Schottky diodes. |
| Lead-free & RoHS compliant | Meets J-STD-020 moisture sensitivity level 1 (MSL1); suitable for lead-free reflow assembly without popcorn risk. |
| Thermal derating | 0.60 W/°C linear derating above 25°C case temperature - enables predictable power handling across full -40°C to +150°C ambient range. |
Applications
| Engine Control Unit (ECU) Fuel Injector Driver | Automotive HVAC Blower Motor Controller |
|---|---|
Use Scenario: High-speed switching of 12V fuel injectors with peak currents up to 40A and 1 ms pulse widths. IC Role / Device Role / Timing Role: Low-side power switch controlling injector coil energization and demagnetization. Use Value: 9.0 mΩ RDS(on) minimizes I²R heating during extended duty cycles; 110 mJ EAS absorbs inductive kickback without clamping diodes. |
Use Scenario: PWM-controlled 12V blower motor delivering variable airflow in cabin climate systems. IC Role / Device Role / Timing Role: High-efficiency half-bridge low-side switch operating at 20 kHz with fast diode recovery. Use Value: 18 ns trr and low Qrr reduce switching losses and EMI; 175°C TJ rating sustains operation near hot HVAC ducts. |
| Body Control Module (BCM) Power Distribution | Start-Stop System Solenoid Actuator |
Use Scenario: Solid-state replacement of mechanical relays for lighting, window lift, and mirror control circuits. IC Role / Device Role / Timing Role: Load-switching MOSFET with integrated protection against load dump and reverse battery. Use Value: 40V VDS withstands ISO 7637-2 Pulse 5a (load dump up to 40V); 42A ID supports multiple parallel loads. |
Use Scenario: Driving 12V starter solenoid coils requiring 30A+ inrush current and rapid release timing. IC Role / Device Role / Timing Role: High-current, high-reliability switch managing engagement/disengagement sequence. Use Value: Repetitive avalanche capability handles repeated inductive turn-off stress; 1.66°C/W RθJC maintains <125°C junction temp during burst-mode operation. |
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 |
|---|---|---|---|
| STL220N4F7AG | 40V, 2.2 mΩ RDS(on), 220A package-limited, DFN5x6 package | Higher current density but requires multi-layer PCB thermal vias; not D-Pak drop-in | Select when board space is constrained and thermal vias can be implemented; avoid if legacy D-Pak footprint must be retained. |
| IRF3205PbF | 55V, 8.0 mΩ RDS(on), 110A silicon-limited, TO-220 package | Larger through-hole package; higher VDS margin but no AEC-Q101 qualification | Select only for non-automotive industrial use; unsuitable for production automotive due to missing qualification and thermal interface limitations. |
Compared with STL220N4F7AG and IRF3205PbF, AUIRFR3504ZTRL uniquely balances D-Pak manufacturability, AEC-Q101 compliance, and 42A continuous current in a thermally optimized package-making it the preferred choice for volume automotive PCB assembly where qualification, footprint, and thermal reliability are jointly critical.
Availability
AUIRFR3504ZTRL is available at Aetrix Electronics and suitable for engine control units, body control modules, and start-stop system actuation requiring stable component supply across automotive production lifecycles.
Supply support for AUIRFR3504ZTRL 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 security solutions, with global manufacturing and qualification infrastructure.
AUIRFR3504ZTRL belongs to the automotive-qualified HEXFET® Power MOSFET product line, engineered specifically for high-reliability 12V vehicle subsystems demanding robustness against thermal stress, voltage transients, and mechanical vibration.
FAQ
What is the maximum continuous drain current for AUIRFR3504ZTRL at 100°C case temperature?
The maximum continuous drain current at TC = 100°C is 54 A (silicon-limited) and 42 A (package-limited). The lower value governs real-world operation, meaning sustained 42 A is permissible only if case temperature remains ≤25°C; derating applies linearly at 0.60 W/°C beyond that point.
Does AUIRFR3504ZTRL require a gate resistor for automotive 12V applications?
Yes-a gate resistor between 10 Ω and 22 Ω is recommended to control dv/dt and prevent parasitic oscillation during switching. This value balances turn-on speed (minimizing conduction loss) and EMI suppression, especially when driving inductive loads like solenoids or motors in noisy automotive environments.
Can AUIRFR3504ZTRL replace IRFZ44N in existing automotive designs?
No-while both are N-channel MOSFETs, AUIRFR3504ZTRL is AEC-Q101 qualified, has lower RDS(on) (9.0 mΩ vs. 28 mΩ), and uses D-Pak packaging versus TO-220. Direct replacement requires layout revision, thermal validation, and requalification per automotive standards due to differences in thermal path, gate charge, and qualification status.
What is the significance of the "Z" suffix in AUIRFR3504ZTRL?
The "Z" suffix denotes Infineon's automotive-grade variant with enhanced process control, extended temperature screening (-55°C to +175°C), and full AEC-Q101 qualification-including HTOL, uHAST, and temperature cycling tests. It distinguishes this part from commercial-grade equivalents lacking automotive reliability validation.
AUIRFR3504ZTRL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- HEXFET®
- Package/Case:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 40 V
- Current - Continuous Drain (Id) @ 25°C:
- 42A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- -
- Rds On (Max) @ Id, Vgs:
- 9mOhm @ 42A, 10V
- Vgs(th) (Max) @ Id:
- 4V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 45 nC @ 10 V
- Vgs (Max):
- -
- Input Capacitance (Ciss) (Max) @ Vds:
- 1510 pF @ 25 V
- FET Feature:
- -
- Power Dissipation (Max):
- 90W (Tc)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-252AA (DPAK)
AUIRFR3504ZTRL FAQ
1.How can I place an order for AUIRFR3504ZTRL through Aetrix?
Please submit a Request for Quotation (RFQ) for AUIRFR3504ZTRL 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 AUIRFR3504ZTRL reliable?
The price and inventory of AUIRFR3504ZTRL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AUIRFR3504ZTRL is usually 5 days.
3.What payment methods are accepted for AUIRFR3504ZTRL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AUIRFR3504ZTRL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AUIRFR3504ZTRL?
AUIRFR3504ZTRL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AUIRFR3504ZTRL 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 AUIRFR3504ZTRL?
For technical support, including AUIRFR3504ZTRL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AUIRFR3504ZTRL requirements.
6.How does Aetrix verify that AUIRFR3504ZTRL is sourced from the original manufacturer or authorized distributors?
All AUIRFR3504ZTRL 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 AUIRFR3504ZTRL meets industry standards.
7.What is the process for return or replacement of AUIRFR3504ZTRL?
All AUIRFR3504ZTRL units undergo pre-shipment inspection (PSI). If there is an issue with AUIRFR3504ZTRL, 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 AUIRFR3504ZTRL part is unused and in its original packaging.
Return procedure for AUIRFR3504ZTRL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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