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Infineon Technologies IRFR2905ZTRL
- Part No.:
- IRFR2905ZTRL
- Manufacturer:
- Infineon Technologies
- Category:
- FETs, MOSFETs
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
IRFR2905ZTRL.pdf
- Description:
- MOSFET N-CH 55V 42A DPAK
- Quantity:
- Payment:
- Shipping:
Inventory:2,420
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Product details
Overview
IRFR2905ZTRL from Infineon Technologies (formerly International Rectifier) is an N-channel enhancement-mode automotive-grade HEXFET® Power MOSFET in D-Pak (TO-252) package, rated for 55 V VDSS, 14.5 mΩ RDS(on) at VGS = 10 V, and 42 A continuous drain current at TC = 25°C. It features 175°C maximum junction temperature, fast switching (tr = 66 ns, tf = 35 ns), and rated repetitive avalanche capability - optimized for high-efficiency DC-DC converters and motor control in engine management systems.
For engineers reviewing the IRFR2905ZTRL datasheet, IRFR2905ZTRL pinout, IRFR2905ZTRL application, or IRFR2905ZTRL equivalent, key selection criteria include its low RDS(on) at elevated temperature, robust unclamped inductive switching performance, body diode recovery characteristics (trr = 23–35 ns, Qrr = 16–24 nC), and AEC-Q101 qualification for under-hood automotive use.
Technical Context
This MOSFET employs advanced planar silicon processing to minimize on-resistance per die area while maintaining ruggedness. Its gate charge profile (Qg = 29–44 nC, Qgd = 12 nC) supports efficient high-frequency switching up to several hundred kHz in synchronous buck topologies.
The integrated body diode exhibits low forward voltage (VSD ≤ 1.3 V at IS = 36 A) and controlled reverse recovery, enabling reliable operation in freewheeling and regenerative braking paths. Thermal design is supported by RθJC = 1.38°C/W and validated transient impedance curves up to 100 ms pulses.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDSS | 55 V - Maximum blocking voltage before avalanche; suitable for 42 V nominal automotive systems with load-dump margin. |
| RDS(on) | 14.5 mΩ max @ VGS = 10 V, TJ = 25°C - Enables <1.5 W conduction loss at 40 A, critical for thermal management in compact modules. |
| ID (cont) | 42 A @ TC = 25°C - Sustains peak motor phase currents in 12 V/24 V brushless DC drivers without derating. |
| tr/tf | 66 ns / 35 ns - Supports >200 kHz PWM switching with minimal overlap loss in hard-switched converters. |
| EAS | 59 mJ (tested) - Withstands unclamped inductive energy from solenoid or relay coil turn-off without failure. |
| TJ max | 175°C - Allows operation in high-ambient under-hood environments with reduced thermal margin requirements. |
| Qrr | 16–24 nC - Low recovered charge minimizes voltage overshoot and EMI during body-diode commutation. |
Pinout & Package
IRFR2905ZTRL is housed in a surface-mount D-Pak (TO-252) package with exposed drain pad for thermal enhancement. The package provides low-profile mounting and PCB-level heat spreading via the drain tab soldered directly to copper pour.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Source) | Source terminal (S) | Low-side reference node; connects to ground or low-side switch node; carries full load current and body diode return path. |
| Pin 2 (Gate) | Control input (G) | High-impedance MOS gate requiring <44 nC total charge; sensitive to ESD; must be driven with low-impedance source/sink. |
| Pin 3 (Drain) | Power output (D) | High-current drain node tied to PCB copper pour; serves as thermal interface and primary power path to load or supply rail. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q101 qualified - Validated for reliability in automotive powertrain and chassis applications including engine control units. |
| Repetitive avalanche rating | Rated for repeated unclamped inductive switching - Eliminates need for external snubbers in solenoid driver circuits. |
| Thermal robustness | RθJC = 1.38°C/W - Enables direct heatsinking to PCB ground plane, reducing system thermal resistance by >50% vs. SO-8 packages. |
| Body diode performance | trr = 23–35 ns, Qrr = 16–24 nC - Minimizes shoot-through risk and voltage spikes during synchronous rectification. |
| High-temperature operation | RDS(on) increases only 2× from 25°C to 175°C - Maintains predictable conduction loss across full automotive temperature range. |
Applications
| Engine Control Unit (ECU) Fuel Injector Driver | Automotive HVAC Blower Motor Controller |
|---|---|
|
Use Scenario: High-speed, high-current switching of 12 V fuel injectors with inductive kickback suppression. IC Role / Device Role / Timing Role: Low-side power switch handling 4–6 A peak current at 1–10 Hz pulse frequency; absorbs unclamped inductive energy during turn-off. Use Value: Rated EAS = 59 mJ and 175°C TJ ensure reliable operation over 10+ year vehicle lifetime without snubber components. |
Use Scenario: PWM-controlled DC motor drive for cabin air blower in passenger compartment. IC Role / Device Role / Timing Role: Synchronous rectifier and freewheeling switch in half-bridge topology; conducts bidirectional current during PWM dead-time. Use Value: Low Qrr (16–24 nC) and fast tf (35 ns) reduce body-diode conduction losses and EMI generation during commutation. |
| 12 V/48 V DC-DC Converter Primary Switch | Electric Power Steering (EPS) Phase Leg Switch |
|
Use Scenario: High-efficiency buck converter stepping 48 V battery down to 12 V for infotainment and lighting systems. IC Role / Device Role / Timing Role: Primary-side synchronous rectifier operating at 200–500 kHz with VGS-driven gate control. Use Value: RDS(on) = 14.5 mΩ at 10 V ensures <0.5 W conduction loss at 40 A, supporting >95% efficiency at full load. |
Use Scenario: Three-phase inverter leg switch delivering torque assist in 12 V EPS systems. IC Role / Device Role / Timing Role: Low-side switch in each phase leg; handles 30–45 A peak current with fast turn-on/off timing. Use Value: Fast tr/tf (66 ns/35 ns) and low gate charge enable precise PWM edge control, minimizing torque ripple and acoustic noise. |
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 |
|---|---|---|---|
| STL220N5LF8AG | RDS(on) = 1.8 mΩ @ 10 V (lower), but VDSS = 40 V (lower); DFN5x6 package; no AEC-Q101 rating. | Better efficiency at low voltage (≤36 V), but unsuitable for 42 V load-dump conditions or under-hood ambient. | Select only for non-automotive 12/24 V industrial DC-DC where voltage margin is sufficient and qualification not required. |
| ON Semiconductor NTMFS5C670NL | RDS(on) = 12.5 mΩ @ 10 V; VDSS = 60 V; SO-8FL package; AEC-Q101 qualified; higher RθJA (50°C/W). | Higher voltage margin and same qualification, but limited to ≤25 A continuous due to smaller thermal footprint. | Prefer when board space is constrained and peak current ≤25 A; avoid in high-power motor drives requiring >35 A sustained. |
Compared with STL220N5LF8AG and NTMFS5C670NL, IRFR2905ZTRL delivers optimal balance of 55 V rating, 42 A capability, AEC-Q101 compliance, and D-Pak thermal performance - making it uniquely suited for high-current automotive power stages where both ruggedness and conduction efficiency are mandatory.
Availability
IRFR2905ZTRL is available at Aetrix Electronics and suitable for engine control units, electric power steering systems, and HVAC blower motor controllers requiring stable component supply across multi-year automotive production cycles.
Supply support for IRFR2905ZTRL 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 global semiconductor leader specializing in power management, automotive electronics, and industrial control solutions, with deep expertise in silicon-based power devices.
The IRFR2905ZTRL belongs to Infineon's automotive-qualified HEXFET® Power MOSFET product line, engineered specifically for high-reliability, high-current switching in engine, chassis, and body electronics where thermal resilience and avalanche robustness are critical.
FAQ
Is IRFR2905ZTRL AEC-Q101 qualified?
Yes, IRFR2905ZTRL is fully AEC-Q101 qualified for automotive applications. Test reports confirm compliance with stress tests including high-temperature operating life (HTOL), temperature cycling, and unclamped inductive switching (UIS), as documented in Infineon's official qualification summary for this part number.
What is the maximum recommended gate resistor for 200 kHz switching?
For 200 kHz PWM with 50% duty cycle, a gate resistor of 10–15 Ω is recommended to limit peak gate current while achieving tr/tf < 50 ns. This value balances switching loss reduction against gate drive power dissipation and EMI control, based on Qg = 29–44 nC and typical 12 V gate drive amplitude.
Can IRFR2905ZTRL replace IRFR2905 in existing designs?
Yes - IRFR2905ZTRL is a direct replacement for IRFR2905, sharing identical D-Pak package, pinout, and electrical specifications. The "Z" suffix denotes enhanced avalanche rating and tighter RDS(on) distribution; no layout or drive circuit changes are required for drop-in substitution.
Does the body diode support synchronous rectification in buck converters?
The body diode supports forced commutation in synchronous buck topologies, but its Qrr (16–24 nC) and trr (23–35 ns) require careful dead-time tuning to avoid shoot-through. For best efficiency, use complementary high-side switching with gate timing that ensures full body-diode turn-off before high-side activation.
IRFR2905ZTRL 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:
- Obsolete
- 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:
- 14.5mOhm @ 36A, 10V
- Vgs(th) (Max) @ Id:
- 4V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 44 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 1380 pF @ 25 V
- FET Feature:
- -
- Power Dissipation (Max):
- 110W (Tc)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-252AA (DPAK)
IRFR2905ZTRL FAQ
1.How can I place an order for IRFR2905ZTRL through Aetrix?
Please submit a Request for Quotation (RFQ) for IRFR2905ZTRL 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 IRFR2905ZTRL reliable?
The price and inventory of IRFR2905ZTRL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IRFR2905ZTRL is usually 5 days.
3.What payment methods are accepted for IRFR2905ZTRL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IRFR2905ZTRL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IRFR2905ZTRL?
IRFR2905ZTRL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IRFR2905ZTRL 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 IRFR2905ZTRL?
For technical support, including IRFR2905ZTRL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IRFR2905ZTRL requirements.
6.How does Aetrix verify that IRFR2905ZTRL is sourced from the original manufacturer or authorized distributors?
All IRFR2905ZTRL 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 IRFR2905ZTRL meets industry standards.
7.What is the process for return or replacement of IRFR2905ZTRL?
All IRFR2905ZTRL units undergo pre-shipment inspection (PSI). If there is an issue with IRFR2905ZTRL, 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 IRFR2905ZTRL part is unused and in its original packaging.
Return procedure for IRFR2905ZTRL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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