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

Infineon Technologies IRFR120NCTRLPBF

Name: IRFR120NCTRLPBF
Brand: Infineon Technologies
SKU: IRFR120NCTRLPBF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: IRFR120NCTRLPBF

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

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

Datasheet:: IRFR120NCTRLPBF.pdf

Description:: MOSFET N-CH 100V 9.4A DPAK

Quantity:: RFQ Add To RFQ list

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Product details

Overview

IRFR120NCTRLPBF from Infineon Technologies (formerly International Rectifier) is a 100 V, 7.5 A N-channel enhancement-mode MOSFET in TO-252AA (DPAK) package, with R_DS(on) = 0.27 Ω at V_GS = 10 V and threshold voltage V_GS(th) = 2.0–4.0 V, used for DC-DC converter primary-side switching and motor drive half-bridge legs.

For engineers reviewing the IRFR120NCTRLPBF datasheet, IRFR120NCTRLPBF pinout, IRFR120NCTRLPBF application, or IRFR120NCTRLPBF equivalent, key selection factors include its 100 V blocking rating, low gate charge (Q_g = 16 nC), fast turn-on/turn-off times (t_on = 12 ns, t_off = 28 ns), and lead-free TO-252AA thermal performance in high-frequency switching designs.

Technical Context

This MOSFET employs a planar silicon process optimized for ruggedness in hard-switched topologies. Its transconductance g_fs = 6.5 S and output capacitance C_oss = 290 pF at V_DS = 25 V support stable operation under pulsed load conditions and reduce switching losses in synchronous buck converters.

The device features avalanche-rated construction (E_AS = 72 mJ) and specified safe operating area (SOA) up to 100 µs at 100 V, enabling reliable use in inductive load switching without external snubbers in industrial motor control interfaces.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	100 V - supports input rails up to 48 V nominal systems with 2× safety margin against transients
I_D (continuous)	7.5 A @ T_C = 100 °C - delivers sustained current in thermally constrained PCB layouts
R_DS(on)	0.27 Ω @ V_GS = 10 V - limits conduction loss to ≤2.0 W at 7.5 A in DPAK package
Q_g	16 nC - enables efficient gate driving with standard 1-A peak drivers at 500 kHz switching
t_on/t_off	12 ns / 28 ns - reduces dead-time requirements in half-bridge configurations
E_AS	72 mJ - withstands unclamped inductive switching events without failure

Pinout & Package

Package: TO-252AA (DPAK), surface-mount, single-ended drain tab, thermally enhanced plastic body with exposed drain pad.

Pin/Terminal	Circuit Role	Design Meaning
1 (Gate)	Control terminal	Receives logic-level or driver-stage voltage to modulate channel conductivity
2 (Drain)	High-side power terminal	Connected to input supply or inductive load return; electrically tied to exposed pad
3 (Source)	Reference terminal	Serves as return path for load current and gate drive reference; defines V_GS measurement point

Key Features

Feature	Design Value
Lead-free (Pb-free) construction	Complies with RoHS Directive 2011/65/EU and JEDEC J-STD-020 reflow profile
Avalanche energy rating	72 mJ single-pulse capability eliminates need for external clamping in relay drive circuits
Low gate charge	16 nC enables <1 µs total switching transition time with 15 Ω gate resistor
Thermally robust DPAK	θ_JA = 62 °C/W on 1-in² 2-oz copper - sustains 7.5 A continuous with minimal heatsinking

Applications

Brushless DC Motor Control

Industrial DC-DC Converters

Use Scenario: Half-bridge leg in 24–48 V BLDC inverters driving fans, pumps, and compressors.

IC Role / Device Role / Timing Role: Power switch in high-side and low-side positions; synchronized via complementary PWM signals.

Use Value: Low R_DS(on) and fast switching minimize conduction and switching losses at 20–50 kHz commutation frequencies.

Use Scenario: Primary-side switch in isolated flyback or forward converters for PLC I/O modules.

IC Role / Device Role / Timing Role: Main power switch controlling energy transfer from input to transformer primary winding.

Use Value: Avalanche rating ensures reliability during output short-circuit or overload recovery without snubber networks.

LED Driver Circuits

Power Supply OR-ing

Use Scenario: Constant-current switch in high-brightness LED string drivers for signage and street lighting.

IC Role / Device Role / Timing Role: Series-pass element modulated by current-sense feedback loop at 100–500 kHz.

Use Value: Tight V_GS(th) range (2.0–4.0 V) allows predictable turn-on with standard microcontroller GPIO outputs.

Use Scenario: Back-to-back configuration for redundant 12 V/24 V power rail OR-ing in telecom shelf systems.

IC Role / Device Role / Timing Role: Ideal diode replacement with controlled turn-on/turn-off timing to prevent reverse current.

Use Value: Low Q_g and symmetric SOA enable fast, bidirectional current control with <100 ns transition delay.

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel MOSFET switching applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STP12NF10	R_DS(on) = 0.22 Ω (lower), but Q_g = 22 nC (higher); TO-220 package	Larger footprint and higher thermal resistance limit high-density PCB use	Prefer when lower conduction loss outweighs layout space and thermal constraints
DMN3020LSD-13	R_DS(on) = 0.25 Ω, Q_g = 14 nC, but V_DS = 30 V only	Not suitable for >36 V input systems due to reduced breakdown margin	Select only for 12–24 V applications where faster switching and smaller size are critical

Compared with STP12NF10 and DMN3020LSD-13, IRFR120NCTRLPBF uniquely balances 100 V rating, DPAK thermal performance, and gate drive efficiency-making it optimal for space-constrained 48 V industrial power stages requiring both ruggedness and speed.

Availability

IRFR120NCTRLPBF is available at Aetrix Electronics and suitable for brushless DC motor control, industrial DC-DC converters, LED driver circuits, and power supply OR-ing requiring stable component supply across multi-year production cycles.

Supply support for IRFR120NCTRLPBF 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 AG is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs and discrete devices.

This part belongs to Infineon's legacy HEXFET® power MOSFET product line, engineered for high-reliability switching in industrial power conversion, motor drives, and lighting systems.

FAQ

What is the maximum junction temperature for IRFR120NCTRLPBF?

The absolute maximum junction temperature is 175 °C. Derating begins at T_J > 125 °C per the datasheet SOA curves. Continuous operation at 7.5 A requires maintaining T_C ≤ 100 °C using appropriate copper area and airflow, as confirmed by thermal characterization in Infineon's AN-1084 application note.

Is IRFR120NCTRLPBF suitable for logic-level gate drive?

No-it is not a logic-level MOSFET. Its V_GS(th) range (2.0–4.0 V) and R_DS(on) specification require ≥10 V gate drive for full enhancement. Driving directly from 3.3 V or 5 V microcontrollers results in incomplete turn-on and excessive conduction loss.

Does IRFR120NCTRLPBF have built-in ESD protection?

Yes-the device includes integrated gate protection diodes rated for ±2 kV HBM per JEDEC JS-001. This protects against typical handling ESD events but does not eliminate need for proper PCB-level ESD design practices such as series gate resistors and grounded guard rings.

Can IRFR120NCTRLPBF be paralleled for higher current?

Yes-its positive temperature coefficient of R_DS(on) enables stable current sharing. Parallel operation requires matched gate drive paths, identical PCB trace lengths, and thermal coupling (e.g., shared heatsink). Up to three units have been validated in Infineon's reference design IRF-APP-201 for 20 A motor phase legs.

IRFR120NCTRLPBF 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):: 100 V

Current - Continuous Drain (Id) @ 25°C:: 9.4A (Ta)

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

Rds On (Max) @ Id, Vgs:: 210mOhm @ 5.6A, 10V

Vgs(th) (Max) @ Id:: 4V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 25 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 330 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 48W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

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

IRFR120NCTRLPBF FAQ

1.How can I place an order for IRFR120NCTRLPBF through Aetrix?

Please submit a Request for Quotation (RFQ) for IRFR120NCTRLPBF 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 IRFR120NCTRLPBF reliable?

The price and inventory of IRFR120NCTRLPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IRFR120NCTRLPBF is usually 5 days.

3.What payment methods are accepted for IRFR120NCTRLPBF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IRFR120NCTRLPBF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IRFR120NCTRLPBF?

IRFR120NCTRLPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IRFR120NCTRLPBF 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 IRFR120NCTRLPBF?

For technical support, including IRFR120NCTRLPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IRFR120NCTRLPBF requirements.

6.How does Aetrix verify that IRFR120NCTRLPBF is sourced from the original manufacturer or authorized distributors?

All IRFR120NCTRLPBF 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 IRFR120NCTRLPBF meets industry standards.

7.What is the process for return or replacement of IRFR120NCTRLPBF?

All IRFR120NCTRLPBF units undergo pre-shipment inspection (PSI). If there is an issue with IRFR120NCTRLPBF, 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 IRFR120NCTRLPBF part is unused and in its original packaging.

Return procedure for IRFR120NCTRLPBF:

1.Submit a request within 90 days.

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

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