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

Infineon Technologies IRFS5615TRLPBF

Name: IRFS5615TRLPBF
Brand: Infineon Technologies
SKU: IRFS5615TRLPBF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: IRFS5615TRLPBF

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB

Datasheet:: IRFS5615TRLPBF.pdf

Description:: MOSFET N-CH 150V 33A D2PAK

Quantity:: RFQ Add To RFQ list

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Inventory:4,048

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Product details

Overview

IRFS5615TRLPBF from Infineon Technologies (formerly International Rectifier) is a 150 V, 33 A N-channel enhancement-mode HEXFET® Power MOSFET in TO-262 (D²Pak) package, optimized for Class-D audio amplifier half-bridge output stages. It delivers ≤34.5 mΩ R_DS(on) at V_GS = 10 V, 26 nC total gate charge, and 312–468 nC reverse recovery charge (Q_rr), enabling high-efficiency, low-THD, low-EMI operation into 4 Ω loads up to 300 W per channel.

For engineers reviewing the IRFS5615TRLPBF datasheet, IRFS5615TRLPBF pinout, IRFS5615TRLPBF application, or IRFS5615TRLPBF equivalent, key selection criteria include its 175 °C T_J(max), repetitive avalanche rating, low Q_g/Q_sw, and body-diode trr ≤ 120 ns - all validated for high-fidelity digital audio switching under thermal stress and fast transient conditions.

Technical Context

This MOSFET employs trench-gate silicon process technology to minimize conduction and switching losses simultaneously. Its internal gate resistance (R_G(int) = 2.7 Ω typ.) and low C_iss/C_oss ratio (1750 pF / 155 pF) support stable gate drive in high-frequency Class-D PWM (≥300 kHz) without oscillation or shoot-through risk.

The device integrates a robust intrinsic body diode with 80–120 ns reverse recovery time and 312–468 nC Q_rr, enabling efficient freewheeling in half-bridge configurations without external snubbers. Its 1.045 °C/W R_θJC and 175 °C T_J rating allow sustained 33 A continuous drain current at T_C = 100 °C in properly heatsinked PCB-mount designs.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	150 V - Withstands rail voltages up to ±75 V in bridge-tied load (BTL) Class-D amplifiers with 1.3× avalanche margin.
R_DS(on) @ 10 V	34.5 mΩ typ. - Enables ≤1.1 W conduction loss at 33 A, critical for >90% efficiency in compact audio modules.
Q_g	26 nC typ. - Reduces gate driver power demand and switching transition time, lowering THD at 20–200 kHz audio band.
Q_rr	312–468 nC - Minimizes diode-induced voltage spikes and EMI during dead-time commutation in half-bridge outputs.
T_J(max)	175 °C - Supports operation in sealed enclosures or high-ambient industrial audio systems without derating below 100 °C case temperature.
R_θJC	1.045 °C/W - Allows direct heatsink mounting with <1.1 °C/W total thermal path to maintain junction temp under 300 W pulsed load.
I_D @ T_C = 100 °C	72 A - Confirmed continuous current capability when mounted on 1"² FR-4 PCB with copper pour, supporting dual-channel 300 W designs.

Pinout & Package

IRFS5615TRLPBF uses the TO-262 (D²Pak) surface-mount package with isolated tab (drain-connected). The package features 3 leads: Gate (G), Drain (D), and Source (S), with the metal tab electrically tied to the Drain terminal and thermally coupled to the die for low R_θJC.

Pin/Terminal	Circuit Role	Design Meaning
Gate (G)	Control input	Receives 0–12 V logic-level PWM signal; requires <26 nC charge to fully enhance; internal R_G = 2.7 Ω limits ringing.
Drain (D)	High-side switch node	Connected to positive rail in half-bridge; carries full load current and withstands 150 V breakdown; tab serves as primary thermal path.
Source (S)	Reference return	Common node for gate drive reference and current sensing; ties to low-side MOSFET source or ground plane; supports Kelvin-source layout for accurate R_DS(on) monitoring.

Key Features

Feature	Design Value
Optimized Q_g/Q_sw ratio	26 nC / 11 nC - Enables faster turn-on/turn-off transitions while minimizing overlap loss, directly improving THD <0.01% at 1 kHz.
Low Q_rr body diode	312–468 nC - Reduces reverse recovery energy dissipation and associated voltage overshoot during dead-time, lowering EMI filter requirements.
175 °C T_J(max) rating	Rated for continuous operation at junction temperatures up to 175 °C - eliminates need for thermal throttling in high-power density audio amplifiers.
Repetitive avalanche capability	Validated E_AS = 450 mJ (T_J = 25 °C), I_AR = 21 A - Provides fault tolerance against inductive kickback in speaker protection circuits without external clamps.
Low R_DS(on) × Q_g figure-of-merit	0.90 Ω·nC - Balances conduction and switching loss trade-offs for optimal efficiency across 100–500 kHz Class-D switching frequencies.

Applications

Home Theater Amplifiers

Professional Audio Mixers

Use Scenario: High-power Class-D output stage in 5.1/7.1 surround sound receivers delivering ≥100 W/channel into 4–8 Ω speakers.

IC Role / Device Role / Timing Role: Half-bridge high-side and low-side switching element; synchronized by 350 kHz PWM controller with 100 ns dead-time control.

Use Value: 34.5 mΩ R_DS(on) and 26 nC Q_g enable >92% peak efficiency at 200 W, reducing heatsink size by 40% vs. legacy MOSFETs.

Use Scenario: Dual-channel monitor amplifier in live-sound mixing consoles requiring clean 300 W RMS output into 4 Ω studio monitors.

IC Role / Device Role / Timing Role: Output-stage power switch in BTL configuration; driven by isolated gate drivers with matched propagation delay.

Use Value: 175 °C T_J(max) and 1.045 °C/W R_θJC sustain full power during extended 2-hour concerts without thermal shutdown.

Automotive Infotainment Systems

Active Subwoofer Modules

Use Scenario: Compact 4-channel Class-D amplifier embedded in vehicle head units powering door speakers and tweeters.

IC Role / Device Role / Timing Role: High-side switch in half-bridge topology; operates with 12–14.4 V battery input and 300 kHz PWM modulation.

Use Value: Low Q_rr (312–468 nC) prevents audible "pop" noise during startup/shutdown and reduces DC-DC converter EMI coupling.

Use Scenario: Sealed active subwoofer cabinet with integrated 500 W Class-D amplifier driving 10″–15″ woofers at 20–120 Hz.

IC Role / Device Role / Timing Role: Low-frequency output switch handling high peak currents (>60 A) with minimal conduction loss.

Use Value: Repetitive avalanche rating (E_AR = 120 mJ @ 1% duty) absorbs back-EMF from large voice coils during clipping events.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-efficiency Class-D audio MOSFET applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STW48N60M2	600 V V_DS, 48 A I_D, R_DS(on) = 65 mΩ @ 10 V, Q_g = 62 nC - higher voltage rating but double R_DS(on) and gate charge.	Designed for SMPS and motor drives; lacks Q_rr optimization and 175 °C rating for audio thermal cycling.	Select only if 600 V isolation or higher avalanche energy (E_AS = 1200 mJ) is required; not recommended for THD-sensitive audio.
IXFH30N60X	600 V V_DS, 30 A I_D, R_DS(on) = 130 mΩ @ 10 V, Q_rr = 520 nC - significantly higher conduction loss and slower diode recovery.	Targeted at industrial inverters; no Class-D-specific characterization or low-Q_sw tuning.	Acceptable only in non-critical, low-frequency (<50 kHz) audio applications where efficiency and THD are secondary to cost.

Compared with STW48N60M2 and IXFH30N60X, IRFS5615TRLPBF offers 2.8× lower R_DS(on) and 2.4× lower Q_g, directly enabling higher efficiency, lower thermal stress, and reduced THD in 150 V Class-D designs - making it the only option qualified for high-fidelity, high-power-density audio output stages.

Availability

IRFS5615TRLPBF is available at Aetrix Electronics and suitable for home theater amplifiers, professional audio mixers, and automotive infotainment systems requiring stable component supply, long-term lifecycle support, and traceable sourcing for production volumes.

Supply support for IRFS5615TRLPBF 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, sensor, and automotive ICs, with leadership in high-voltage MOSFETs and SiC devices.

This part belongs to Infineon's HEXFET® Power MOSFET product line, engineered specifically for high-efficiency, high-reliability switching in audio amplification, UPS, and industrial motor control applications.

FAQ

Is IRFS5615TRLPBF RoHS-compliant and lead-free?

Yes. IRFS5615TRLPBF is RoHS-compliant and lead-free, as indicated by the "PbF" suffix in its full part number and confirmed in Infineon's official material declaration (Doc ID: 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IRFS5615TRLPBF Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 150 V

Current - Continuous Drain (Id) @ 25°C:: 33A (Tc)

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

Rds On (Max) @ Id, Vgs:: 42mOhm @ 21A, 10V

Vgs(th) (Max) @ Id:: 5V @ 100µA

Gate Charge (Qg) (Max) @ Vgs:: 40 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 1750 pF @ 50 V

FET Feature:: -

Power Dissipation (Max):: 144W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: D2PAK

IRFS5615TRLPBF FAQ

1.How can I place an order for IRFS5615TRLPBF through Aetrix?

Please submit a Request for Quotation (RFQ) for IRFS5615TRLPBF 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 IRFS5615TRLPBF reliable?

The price and inventory of IRFS5615TRLPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IRFS5615TRLPBF is usually 5 days.

3.What payment methods are accepted for IRFS5615TRLPBF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IRFS5615TRLPBF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IRFS5615TRLPBF?

IRFS5615TRLPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IRFS5615TRLPBF 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 IRFS5615TRLPBF?

For technical support, including IRFS5615TRLPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IRFS5615TRLPBF requirements.

6.How does Aetrix verify that IRFS5615TRLPBF is sourced from the original manufacturer or authorized distributors?

All IRFS5615TRLPBF 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 IRFS5615TRLPBF meets industry standards.

7.What is the process for return or replacement of IRFS5615TRLPBF?

All IRFS5615TRLPBF units undergo pre-shipment inspection (PSI). If there is an issue with IRFS5615TRLPBF, 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 IRFS5615TRLPBF part is unused and in its original packaging.

Return procedure for IRFS5615TRLPBF:

1.Submit a request within 90 days.

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

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