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Infineon Technologies AUIRFR48ZTRL
- Part No.:
- AUIRFR48ZTRL
- Manufacturer:
- Infineon Technologies
- Category:
- FETs, MOSFETs
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
AUIRFR48ZTRL.pdf
- Description:
- MOSFET N-CH 55V 42A DPAK
- Quantity:
- Payment:
- Shipping:
Inventory:6,182
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Product details
Overview
AUIRFR48ZTRL from Infineon is an automotive-grade N-channel enhancement-mode HEXFET® Power MOSFET in D-Pak (TO-252) package, rated for 55 V VDS, 11 mΩ max RDS(on) at VGS = 10 V, and 42 A continuous drain current (package-limited). It delivers fast switching (tr = 61 ns, tf = 35 ns), 175°C junction operation, and tested repetitive avalanche capability up to 110 mJ - deployed in engine control modules, DC-DC converters, and high-side load switches.
For engineers reviewing the AUIRFR48ZTRL datasheet, AUIRFR48ZTRL pinout, AUIRFR48ZTRL application, or AUIRFR48ZTRL equivalent, key selection criteria include its 1.64°C/W RθJC, 37 A body diode conduction with 1.3 V VSD, and validated unclamped inductive switching performance under automotive thermal transients.
Technical Context
This MOSFET employs Infineon's advanced silicon process to minimize conduction loss while maintaining robustness against repetitive avalanche stress. Its gate charge profile (Qg = 40–60 nC, Qgd = 15 nC) supports efficient high-frequency PWM control in 12 V/24 V automotive systems.
The device integrates a low-loss intrinsic body diode (trr = 20–40 ns, Qrr = 14–28 nC) and exhibits stable threshold voltage (VGS(th) = 2.0–4.0 V) across −55°C to +175°C, enabling reliable start-stop and cold-crank operation without gate drive derating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 55 V - Withstands peak transients in 24 V automotive systems (e.g., load dump up to ISO 7637-2 Pulse 5a). |
| RDS(on) max | 11 mΩ @ VGS = 10 V, ID = 37 A - Enables ≤0.5 W conduction loss at 42 A, reducing heatsink requirements. |
| ID (pkg-lim) | 42 A @ TC = 25°C - Defines maximum continuous current under standard PCB-mount thermal conditions. |
| EAS (tested) | 110 mJ - Verified single-pulse avalanche energy at TJ = 25°C, L = 0.11 mH, IAS = 37 A - supports robust fault handling. |
| tr/tf | 61 ns / 35 ns @ VDD = 28 V, ID = 37 A - Enables >200 kHz switching in synchronous buck converters. |
| RθJC | 1.64°C/W - Junction-to-case thermal resistance measured at ~90°C; enables direct heatsink mounting for high-power density designs. |
| VGS(th) | 2.0–4.0 V - Gate threshold range ensures reliable turn-on with standard 3.3 V or 5 V logic-level drivers in microcontroller-based controls. |
Pinout & Package
Package: D-Pak (TO-252), surface-mount, single-die configuration with exposed drain pad for thermal and electrical connection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Drain (D) | Main power output terminal | Connected to exposed copper pad on bottom of package; primary current path and thermal interface to PCB heatsink. |
| Source (S) | Power return / reference node | Low-inductance source connection; internal bond wires limit LS to 7.5 nH - critical for EMI control in fast-switching apps. |
| Gate (G) | Control input | High-impedance MOS gate requiring <200 nA leakage at ±20 V; designed for direct MCU GPIO or dedicated gate driver IC interfacing. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low RDS(on) | 8.86 mΩ typical at 10 V gate drive - reduces I²R losses by >30% vs. legacy 55 V automotive MOSFETs in 40 A applications. |
| 175°C operating junction | Rated continuous operation up to +175°C - eliminates derating in under-hood environments (e.g., transmission control units). |
| Repetitive avalanche rated | Validated per Fig. 12a–12b and AN-1005 - allows safe operation in unclamped inductive switching without external snubbers. |
| Automotive qualification | AEC-Q101 qualified - meets stress test requirements for temperature cycling, HTRB, and UIS, supporting ASIL-B system integration. |
| Lead-free & RoHS | Halogen-free, Pb-free terminations - compliant with EU RoHS Directive 2011/65/EU and JESD201A vibration standards. |
Applications
| Engine Control Unit (ECU) Fuel Injector Driver | 12 V Automotive DC-DC Converter High-Side Switch |
|---|---|
Use Scenario: Driving solenoid-type fuel injectors in gasoline direct injection (GDI) systems with 1–2 ms pulse widths and 10–15 A peak current. IC Role / Device Role / Timing Role: High-side switch controlling injector coil energization; handles repetitive 55 V flyback spikes during de-energization. Use Value: 110 mJ tested avalanche energy and 175°C rating ensure no failure during cold-start cranking or injector short-circuit events. |
Use Scenario: Synchronous rectification in 12 V → 5 V/3.3 V buck converters powering ADAS sensors and infotainment ECUs. IC Role / Device Role / Timing Role: Main high-side power switch operating at 300–500 kHz with 42 A peak inductor current. Use Value: 61 ns rise time and 35 ns fall time minimize switching losses; 1.64°C/W RθJC enables compact thermal design without forced air. |
| Electric Power Steering (EPS) Motor Phase Leg | Body Control Module (BCM) High-Current Load Switch |
Use Scenario: Half-bridge phase leg in 24 V EPS motor drives delivering up to 30 A RMS per phase under dynamic torque demand. IC Role / Device Role / Timing Role: Low-side switching element in three-phase inverter; conducts reverse recovery current during commutation. Use Value: Body diode trr = 20–40 ns and Qrr = 14–28 nC reduce shoot-through risk and EMI generation during hard commutation. |
Use Scenario: Controlling high-current loads such as HVAC blower motors, seat heaters, or headlamp leveling actuators (up to 40 A). IC Role / Device Role / Timing Role: Single-ended high-side load switch with integrated current sensing and overtemperature protection. Use Value: 42 A package-limited current and 175°C operation support sustained full-load duty cycles in confined BCM enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel 55 V automotive power MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STL130N5LF6AG | Lower RDS(on) (5.5 mΩ typ), but only 150°C TJ rating and no published repetitive avalanche data. | Suitable for non-safety-critical 12 V loads where thermal margin exceeds 25°C; not recommended for ECU or EPS. | Select when lower conduction loss is prioritized over extreme temperature or fault robustness. |
| IRF1405ZPBF | Higher RDS(on) (12.5 mΩ), 175°C rated, but AEC-Q101 not claimed; TO-220 package limits board-level power density. | Acceptable for legacy 24 V industrial controls; lacks automotive qualification documentation and D-Pak thermal efficiency. | Choose only for cost-sensitive, non-automotive replacements where footprint and qualification are secondary. |
Compared with STL130N5LF6AG and IRF1405ZPBF, AUIRFR48ZTRL uniquely combines AEC-Q101 qualification, 175°C operation, verified repetitive avalanche, and D-Pak thermal performance - making it the only option qualified for ASIL-B-relevant high-side switching in engine and steering domains.
Availability
AUIRFR48ZTRL is available at Aetrix Electronics and suitable for engine control units, electric power steering systems, and automotive DC-DC converters requiring stable component supply across extended vehicle lifecycles.
Supply support for AUIRFR48ZTRL 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 and discrete devices.
AUIRFR48ZTRL belongs to Infineon's automotive-qualified HEXFET® Power MOSFET product line, engineered specifically for high-reliability, high-temperature switching in safety-critical vehicle subsystems.
FAQ
Is AUIRFR48ZTRL qualified to AEC-Q101?
Yes, AUIRFR48ZTRL is fully AEC-Q101 qualified per Infineon's published qualification report. It has passed temperature cycling, high-temperature reverse bias (HTRB), and unclamped inductive switching (UIS) tests required for automotive discrete semiconductors. Qualification data is accessible via Infineon's official automotive product portal.
What is the maximum allowable gate voltage for AUIRFR48ZTRL?
The absolute maximum gate-to-source voltage (VGS) is ±20 V. Operation above +20 V risks permanent gate oxide damage; operation below −20 V may cause gate punch-through. For reliable lifetime, gate drive should be limited to +10 V to +15 V for optimal RDS(on) and +5 V minimum for guaranteed turn-on at high temperature.
Can AUIRFR48ZTRL replace IRFR48Z in existing designs?
No - AUIRFR48ZTRL is the automotive-qualified version with tighter parametric screening, enhanced avalanche testing, and AEC-Q101 certification. While electrically compatible, IRFR48Z lacks automotive qualification, higher-temperature validation, and traceable lot-level reliability data required for OEM production.
Does AUIRFR48ZTRL require a gate resistor for stability?
Yes - a series gate resistor (typically 10–22 Ω) is recommended to dampen ringing caused by gate-drain capacitance (Crss = 160 pF) and parasitic inductance. Without it, fast edges (tr/tf < 100 ns) can excite oscillations leading to false turn-on or localized gate overvoltage exceeding ±20 V.
AUIRFR48ZTRL 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:
- Not For New Designs
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 55 V
- Current - Continuous Drain (Id) @ 25°C:
- 42A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 10V
- Rds On (Max) @ Id, Vgs:
- 11mOhm @ 37A, 10V
- Vgs(th) (Max) @ Id:
- 4V @ 50µA
- Gate Charge (Qg) (Max) @ Vgs:
- 60 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 1720 pF @ 25 V
- FET Feature:
- -
- Power Dissipation (Max):
- 91W (Tc)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-252AA (DPAK)
AUIRFR48ZTRL FAQ
1.How can I place an order for AUIRFR48ZTRL through Aetrix?
Please submit a Request for Quotation (RFQ) for AUIRFR48ZTRL 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 AUIRFR48ZTRL reliable?
The price and inventory of AUIRFR48ZTRL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AUIRFR48ZTRL is usually 5 days.
3.What payment methods are accepted for AUIRFR48ZTRL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AUIRFR48ZTRL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AUIRFR48ZTRL?
AUIRFR48ZTRL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AUIRFR48ZTRL 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 AUIRFR48ZTRL?
For technical support, including AUIRFR48ZTRL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AUIRFR48ZTRL requirements.
6.How does Aetrix verify that AUIRFR48ZTRL is sourced from the original manufacturer or authorized distributors?
All AUIRFR48ZTRL 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 AUIRFR48ZTRL meets industry standards.
7.What is the process for return or replacement of AUIRFR48ZTRL?
All AUIRFR48ZTRL units undergo pre-shipment inspection (PSI). If there is an issue with AUIRFR48ZTRL, 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 AUIRFR48ZTRL part is unused and in its original packaging.
Return procedure for AUIRFR48ZTRL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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