IRF1404PBF

Infineon Technologies IRF1404PBF — 40 V, 4 mΩ N‑Channel HEXFET Power MOSFET (TO‑220‑3)

The Infineon Technologies IRF1404PBF is a high-performance, single N‑channel HEXFET power MOSFET optimized for low conduction losses and robust switching in demanding power stages. With a 40 V drain‑to‑source rating, an impressively low Rds(on) of approximately 4 mΩ at Vgs = 10 V, and a typical total gate charge near 196 nC, this device is well‑suited to high‑current applications such as synchronous rectification in DC‑DC converters, motor drives, and general-purpose high‑current load switching. The PBF suffix denotes a Pb‑free, RoHS-compliant finish.

Engineers value the IRF1404PBF for its balance of low on-resistance and solid ruggedness in the familiar TO‑220-3 (TO‑220AB) through-hole package, enabling efficient heat sinking and straightforward prototyping or production builds.

At a Glance: Why Choose the IRF1404PBF?

• Brand and family: Infineon Technologies (HEXFET technology)
• Part number: IRF1404PBF (Pb‑free, RoHS compliant)
• Category: Discrete Semiconductors – Transistors – MOSFETs – Single
• Topology: N‑channel MOSFET
• Voltage rating: 40 V (Drain‑to‑Source)
• Low conduction loss: Rds(on) ≈ 0.004 Ω at Vgs = 10 V
• Switching drive: Typical total gate charge ~196 nC (helps estimate driver requirements and switching losses)
• Package: TO‑220‑3 (TO‑220AB), through‑hole; supplied in tubes
• Use cases: DC‑DC converters, synchronous rectification, motor control and drives, high‑current load switching, and general power management

Key Specifications

Electrical and mechanical parameters from the provided part data:

• Transistor type: N‑Channel MOSFET
• Technology: HEXFET
• Drain‑to‑Source Voltage (Vdss): 40 V
• Rds(on) (max) @ Vgs = 10 V: 0.004 Ω
• Total Gate Charge (Qg): ~196 nC (typical)
• Package / Case: TO‑220‑3 (TO‑220AB)
• Mounting: Through hole
• Lead finish: Pb‑free
• Operating temperature range: −55°C to +175°C
• RoHS / Environmental: RoHS compliant (Pb‑free)

Not specified in datasheet summary provided:

• Continuous drain current (Id)
• Power dissipation (Pd)
• Gate threshold voltage (Vgs(th))
• Body diode characteristics
• Safe operating area (SOA)

When dimensioning your design (thermal, current, and switching limits), consult the full datasheet for these values and derating guidance.

Applications and Use Cases

The IRF1404PBF is targeted at high‑current, medium‑voltage power stages where low conduction loss and robust switching are essential:

• DC‑DC converters and synchronous rectification
• Use as a primary side or synchronous rectifier in low‑voltage, high‑current rails (e.g., 12 V bus conversion). The very low Rds(on) minimizes conduction loss.
• Motor control and drives
• Suitable for brushed DC motor control H‑bridges or half‑bridges on 12–24 V systems where 40 V margin is adequate. Low Rds(on) reduces heat under heavy load.
• High‑current load switching
• For battery-powered and industrial loads, the low on-resistance supports efficient on/off control of substantial currents.
• Power management in industrial and consumer equipment
• Ideal for power path switching, OR‑ing, or inverter front-end stages within the device’s 40 V rating.

Note: This MOSFET is not a logic‑level device. For applications that require full enhancement at low gate drive (around 4.5–5 V), consider logic‑level IRL‑series alternatives. Ensure any substitution meets your electrical and thermal requirements.

Design-In Considerations

Gate Drive and Control

• Gate voltage target: The IRF1404PBF is intended for gate drive around 10 V. Driving lower than this may increase Rds(on) and losses. If only 5 V gate drive is available, a dedicated gate driver IC or a logic‑level MOSFET family (IRL‑series) should be evaluated.
• Gate charge: With a typical Qg of ~196 nC, ensure your driver can supply sufficient peak and average current to meet your switching speed targets. Slower edges can increase switching losses; faster edges require careful layout to control ringing and EMI.

Thermal Management

• Heatsinking: The TO‑220 package enables efficient heat dissipation via a heatsink or chassis mount. Size the heatsink to keep device temperature within the stated operating range. Thermal interface materials and mounting techniques significantly influence performance.
• Layout: Minimize loop inductance from drain to source and to the driver return. Short, wide traces or copper pours reduce both switching noise and resistive heating.

Switching Performance and Efficiency

• Balancing conduction vs. switching loss: Low Rds(on) reduces conduction losses, but total efficiency also depends on switching frequency, Qg, and parasitic inductances/capacitances. Validate switching waveforms on the bench at representative load, temperature, and supply.
• Body diode and reverse recovery: For synchronous rectification, analyze body diode behavior and switching dead‑time. Select dead‑time to avoid shoot‑through while minimizing diode conduction time. Refer to the full datasheet for diode parameters.

Protection and Reliability

• SOA and transient stress: Review the device’s safe operating area (SOA) and avalanche/transient ratings in the datasheet before exposure to inductive loads, hot‑plug events, or line surges.
• Gate protection: Add a gate‑source resistor to prevent floating gates and consider a TVS or zener clamp if your environment risks over‑voltage transients on the gate.

Packaging, Handling, and Assembly

• Package / Case: TO‑220‑3 (TO‑220AB)
• Pin count: 3
• Mounting type: Through hole
• Packaging format: Tube
• Lead finish: Pb‑free; RoHS compliant

Recommendations:

• Soldering: Follow standard through‑hole soldering profiles. Avoid prolonged exposure to elevated temperatures to protect package integrity.
• Mechanical mounting: When heatsinking, ensure flat, clean mating surfaces and appropriate torque if using a mounting screw. Use an electrically insulating thermal pad if the tab’s electrical potential must be isolated.

Lifecycle, Compliance, and Policy

• Lifecycle status: Active (per provided data)
• Manufacturer: Infineon Technologies (International Rectifier heritage for HEXFET devices)
• RoHS: Compliant, Pb‑free (PBF suffix)
• Additional environmental declarations: Not specified in datasheet summary
• Approved alternates: None specified
• Direct replacements: None specified

If your project requires specific certifications (e.g., AEC‑Q, REACH declarations, halogen‑free status), confirm via the latest manufacturer documentation.

Sourcing Guidance and Part-Number Notes

• Exact MPN: IRF1404PBF. The “PBF” suffix denotes Pb‑free. When substituting, verify suffix meanings across distributors and ensure environmental/compliance alignment.
• Series and technology: Part of Infineon’s HEXFET power MOSFET family—widely used in power conversion and motor control.
• Voltage margining: With a 40 V Vdss rating, ensure adequate headroom over your maximum operating and transient voltages. For automotive or harsh environments, validate worst‑case transients (e.g., load dump scenarios) against the device’s ratings in the full datasheet.
• Gate drive planning: If your control IC provides only 5 V drive, either add a gate driver to deliver ~10 V or evaluate logic‑level IRL series parts. Always re‑verify thermal and switching performance when substituting.

Checklist for fast evaluation:

• Vdss ≥ system max plus transient margin
• Rds(on) at your chosen Vgs and temperature
• Qg vs. driver strength and switching frequency
• Thermal solution sized for worst‑case load
• SOA coverage for startup, stall, and transient events

Detailed Feature Summary

• Low Rds(on) at Vgs = 10 V (≈4 mΩ) minimizes I²R losses in high‑current rails
• Typical total gate charge ~196 nC balances switching speed with manageable driver requirements
• TO‑220‑3 package supports robust thermal solutions and straightforward prototyping
• HEXFET process lineage known for ruggedness in industrial and converter applications
• Pb‑free, RoHS‑compliant finish supports modern compliance mandates

Frequently Asked Questions (FAQs)

Q: Is the IRF1404PBF a logic‑level MOSFET?
A: No. The IRF1404PBF is intended for gate drive around 10 V. For logic‑level operation at lower Vgs (e.g., 4.5–5 V), consider IRL‑series devices.

Q: What package is the IRF1404PBF supplied in?
A: TO‑220‑3 (TO‑220AB), through‑hole. Standard tubes for packaging.

Q: Can I use the IRF1404PBF in automotive applications?
A: Automotive qualification is not specified in the provided data. Suitability depends on your system’s voltage transients, required qualification (e.g., AEC‑Q), and thermal profile. Verify against the manufacturer’s latest datasheet and quality documentation.

Q: What is the continuous drain current rating (Id)?
A: Not specified in the provided datasheet summary. Refer to the full datasheet for Id and associated thermal derating curves.

Q: Is there a direct drop‑in logic‑level equivalent?
A: There isn’t a specified direct replacement in the provided data. For 5 V gate drive, evaluate IRL‑series MOSFETs, but confirm pinout, Rds(on), Qg, and thermal ratings before substitution.

Q: What are the body diode and SOA characteristics?
A: Not specified in the provided summary. Consult the full datasheet for body diode recovery parameters, avalanche capability, and SOA curves.

Specifications Summary (from provided data)

• Manufacturer / Brand: Infineon Technologies
• Series: HEXFET
• Category: Discrete Semiconductors – Transistors – MOSFETs – Single
• MPN: IRF1404PBF
• Transistor type: N‑Channel MOSFET
• Technology: HEXFET
• Drain‑to‑Source Voltage (Vdss): 40 V
• Rds(on) (max) @ Vgs = 10 V: 0.004 Ω
• Total Gate Charge (Qg): ~196 nC (typical)
• Package / Case: TO‑220‑3 (TO‑220AB)
• Mounting: Through hole
• Packaging: Tube
• Lead finish: Pb‑free
• Operating temperature range: −55°C to +175°C
• Lifecycle status: Active
• RoHS status: RoHS Compliant (Pb‑free)

Values not provided in the summary are omitted to avoid speculation. Always consult the official datasheet for a complete set of electrical characteristics and design limits.

Resources

• Datasheet: https://media.digikey.com/pdf/Data%20Sheets/Infineon%20PDFs/IRF1404PbF.pdf

For procurement and engineering teams, aligning the Infineon Technologies IRF1404PBF’s low Rds(on), 40 V rating, and TO‑220 thermal advantages with the right gate drive and thermal solution can yield a high‑efficiency, robust design with minimized risk of re‑spins. If your control architecture mandates 5 V gate drive, plan early for a driver IC or evaluate logic‑level alternatives and validate across temperature and load extremes.