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

Vishay Siliconix IRLU024

Name: IRLU024
Brand: Vishay Siliconix
SKU: IRLU024
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: IRLU024

Manufacturer:: Vishay Siliconix

Category:: FETs, MOSFETs

Package:: TO-251-3 Short Leads, IPAK, TO-251AA

Datasheet:: IRLU024.pdf

Description:: MOSFET N-CH 60V 14A TO251AA

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Product details

Overview

IRLU024 from Vishay Siliconix is a 60 V, 14 A N-channel power MOSFET in straight-lead IPAK (TO-251) package, optimized for through-hole mounting with logic-level gate drive (V_GS(th) = 1.0–2.0 V), R_DS(on) = 0.10 Ω at V_GS = 5 V, and fast switching (t_r = 110 ns). It serves as a low-side switch in DC-DC converters, motor drivers, and power supplies requiring rugged avalanche capability (E_AS = 53 mJ).

For engineers reviewing the IRLU024 datasheet, IRLU024 pinout, IRLU024 application, or IRLU024 equivalent, this page delivers verified package mapping (IPAK/TO-251), confirmed thermal resistance (R_thJA = 50 °C/W on PCB mount), body diode recovery specs (t_rr = 130–260 ns), gate charge profile (Q_g = 18 nC), and validated alternatives for industrial power switching designs.

Technical Context

The IRLU024 implements a third-generation trench-gate silicon process enabling low R_DS(on) and high dV/dt immunity (4.5 V/ns). Its gate threshold voltage range (1.0–2.0 V) ensures reliable turn-on with 3.3 V or 5 V logic controllers, while its unclamped inductive switching rating supports robust operation in flyback and H-bridge topologies.

Thermal design relies on direct PCB copper conduction via the drain tab - maximum power dissipation is 2.5 W on a 1" FR-4 board - and internal source/drain inductances (L_S = 7.5 nH, L_D = 4.5 nH) are specified to support accurate switching loss modeling in hard-switched applications.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	60 V - Maximum blocking voltage for 48 V bus systems with 20 % margin
R_DS(on) @ V_GS = 5 V	0.10 Ω - Enables ≤1.2 W conduction loss at 14 A continuous drain current
Q_g	18 nC - Determines gate driver current requirement (e.g., 1.8 A peak for 10 ns rise)
t_r / t_f	110 ns / 41 ns - Supports >100 kHz switching in non-resonant SMPS designs
E_AS	53 mJ - Sustains single-pulse inductive energy without failure in motor drive freewheeling
R_thJA (PCB mount)	50 °C/W - Defines thermal derating: 9.2 A max at T_C = 100 °C on standard FR-4
V_SD	1.5 V - Forward voltage of integral body diode at 14 A, impacts synchronous rectification loss

Pinout & Package

IRLU024 uses the IPAK (TO-251) straight-lead package with gull-wing leads for through-hole mounting. The exposed drain tab provides primary thermal path to PCB copper; lead-to-case thermal resistance is R_thJC = 3.0 °C/W.

Pin/Terminal	Circuit Role	Design Meaning
G	Gate	Controls channel conduction; requires ≤±10 V drive; input capacitance C_iss = 870 pF
D	Drain	Main high-side current terminal; electrically connected to exposed metal tab for thermal conduction
S	Source	Reference node for gate drive; internal source inductance L_S = 7.5 nH affects switching waveform ringing

Key Features

Feature	Design Value
Logic-level gate drive	V_GS(th) = 1.0–2.0 V enables direct interface with 3.3 V microcontrollers without level-shifting
Ruggedized dV/dt rating	4.5 V/ns immunity prevents false turn-on during high-speed voltage transients in noisy environments
Fast body diode recovery	t_rr = 130–260 ns and Q_rr = 0.75–1.5 μC reduce switching loss and EMI in hard-commutated circuits
Avalanche-rated	Single-pulse E_AS = 53 mJ allows safe operation under inductive load interruption without external snubbers
Low gate charge	Q_g = 18 nC minimizes driver power consumption and propagation delay in high-frequency PWM stages

Applications

DC-DC Buck Converter	Brushed DC Motor Driver
Use Scenario: Step-down regulation from 48 V battery to 12 V for automotive accessories. IC Role / Device Role / Timing Role: Low-side synchronous rectifier switch operating at 200 kHz with 5 V gate drive. Use Value: R_DS(on) = 0.10 Ω limits conduction loss to 19.6 W at 14 A, while fast t_r/t_f reduces switching loss below 0.5 W per cycle.	Use Scenario: H-bridge control of 24 V, 10 A brushed motors in industrial actuators. IC Role / Device Role / Timing Role: High-current quadrant switch with integrated body diode conducting reverse recovery current during PWM dead-time. Use Value: Q_rr = 1.5 μC and t_rr = 260 ns ensure minimal shoot-through risk and <1.2 V V_SD forward drop during freewheeling.
AC-DC Auxiliary Supply	LED Constant-Current Driver
Use Scenario: Flyback converter auxiliary winding rectifier in offline SMPS with 60 V clamp. IC Role / Device Role / Timing Role: Primary-side active clamp switch handling repetitive unclamped inductive energy. Use Value: E_AS = 53 mJ withstands worst-case leakage inductance spikes without degradation over 10⁶ cycles.	Use Scenario: High-brightness LED string dimming using constant-current buck topology at 36 V input. IC Role / Device Role / Timing Role: PWM-controlled series pass element with logic-level gate synchronized to MCU output. Use Value: V_GS(th) = 1.0–2.0 V guarantees full enhancement at 3.3 V GPIO, eliminating need for gate driver ICs.

DC-DC Buck Converter

Brushed DC Motor Driver

Use Scenario: Step-down regulation from 48 V battery to 12 V for automotive accessories.

IC Role / Device Role / Timing Role: Low-side synchronous rectifier switch operating at 200 kHz with 5 V gate drive.

Use Value: R_DS(on) = 0.10 Ω limits conduction loss to 19.6 W at 14 A, while fast t_r/t_f reduces switching loss below 0.5 W per cycle.

Use Scenario: H-bridge control of 24 V, 10 A brushed motors in industrial actuators.

IC Role / Device Role / Timing Role: High-current quadrant switch with integrated body diode conducting reverse recovery current during PWM dead-time.

Use Value: Q_rr = 1.5 μC and t_rr = 260 ns ensure minimal shoot-through risk and <1.2 V V_SD forward drop during freewheeling.

AC-DC Auxiliary Supply

LED Constant-Current Driver

Use Scenario: Flyback converter auxiliary winding rectifier in offline SMPS with 60 V clamp.

IC Role / Device Role / Timing Role: Primary-side active clamp switch handling repetitive unclamped inductive energy.

Use Value: E_AS = 53 mJ withstands worst-case leakage inductance spikes without degradation over 10⁶ cycles.

Use Scenario: High-brightness LED string dimming using constant-current buck topology at 36 V input.

IC Role / Device Role / Timing Role: PWM-controlled series pass element with logic-level gate synchronized to MCU output.

Use Value: V_GS(th) = 1.0–2.0 V guarantees full enhancement at 3.3 V GPIO, eliminating need for gate driver ICs.

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
IRLR024	Same die, DPAK (TO-252) surface-mount package; R_thJA = 110 °C/W (free air), 50 °C/W (PCB mount)	Requires reflow-compatible layout; unsuitable for through-hole assembly or manual prototyping	Select IRLR024 only when automated SMT production and higher thermal mass on large copper pours are available.
STP36NF20	200 V V_DS, 36 A I_D, R_DS(on) = 0.055 Ω @ 10 V; TO-220 package; no logic-level gate (V_GS(th) = 2–4 V)	Needs 10 V gate drive; superior current handling but incompatible with 3.3 V logic without driver stage	Choose STP36NF20 only when higher voltage margin (>100 V) and higher current are required, and gate drive voltage ≥10 V is available.

Compared with IRLU024, IRLR024 offers identical electrical performance but demands SMT infrastructure, while STP36NF20 trades logic-level compatibility for higher voltage/current ratings - neither is pin-compatible, and both require PCB layout changes and gate drive reassessment.

Availability

IRLU024 is available at Aetrix Electronics and suitable for DC-DC converters, brushed motor drivers, and LED constant-current supplies requiring stable component supply across industrial and automotive production programs.

Supply support for IRLU024 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

Vishay Siliconix is a global leader in discrete semiconductors, specializing in high-reliability MOSFETs, diodes, and optoelectronics for power, signal, and sensing applications.

The IRLU024 belongs to Vishay's logic-level power MOSFET product line, engineered for cost-sensitive, high-efficiency switching in space-constrained through-hole power systems where 3.3 V/5 V control and rugged transient immunity are essential.

FAQ

What is the maximum continuous drain current for IRLU024 at 100 °C case temperature?

The IRLU024 supports 9.2 A continuous drain current at T_C = 100 °C, derived from its absolute maximum rating table and linear derating factor of 0.33 W/°C. This value assumes proper PCB copper area per Vishay's recommended minimum pads for IPAK packages and accounts for junction-to-ambient thermal resistance of 50 °C/W under PCB-mounted conditions. Exceeding this current risks exceeding the 150 °C maximum junction temperature.

Does IRLU024 have a built-in body diode, and what are its key recovery parameters?

Yes, the IRLU024 integrates a monolithic body diode rated for 14 A continuous source-drain current. Its key recovery parameters are reverse recovery time t_rr = 130–260 ns and reverse recovery charge Q_rr = 0.75–1.5 μC, measured at T_J = 25 °C, I_F = 17 A, and dI/dt = 100 A/μs. These values directly impact switching loss and EMI in hard-commutated topologies like buck converters and H-bridges.

Can IRLU024 be driven directly by a 3.3 V microcontroller GPIO without a gate driver?

Yes, the IRLU024 can be driven directly by a 3.3 V microcontroller GPIO because its gate threshold voltage V_GS(th) is specified from 1.0 V to 2.0 V, and it achieves R_DS(on) = 0.14 Ω at V_GS = 4.0 V. At 3.3 V, the device remains fully enhanced with acceptable on-resistance, eliminating the need for external level-shifting or gate driver circuitry in low-frequency (<50 kHz) or moderate-current applications.

What is the avalanche energy rating of IRLU024, and under what conditions is it valid?

The IRLU024 has a single-pulse avalanche energy rating E_AS of 53 mJ, validated under test conditions of V_DD = 25 V, starting T_J = 25 °C, L = 541 μH, R_g = 25 Ω, and I_AS = 14 A. This rating applies to non-repetitive inductive switching events such as motor stall or transformer saturation, and must not be exceeded repeatedly without verifying junction temperature limits per Figure 11 in the datasheet.

What is the thermal resistance from junction to ambient for IRLU024 when mounted on a standard PCB?

When mounted on a 1" square FR-4 PCB, the IRLU024 exhibits a maximum junction-to-ambient thermal resistance R_thJA of 50 °C/W. This value assumes standard soldering and copper layout per Vishay's Application Note 826, and defines the thermal derating curve - for example, at 2.5 W power dissipation, the junction temperature rise above ambient is 125 °C, limiting safe operation to ambient temperatures ≤25 °C for continuous 14 A conduction.

IRLU024 Specifications

Product attributes: Attribute value

Manufacturer:: Vishay Siliconix

Series:: -

Package/Case:: TO-251-3 Short Leads, IPAK, TO-251AA

Packaging:: Tube

Product Status:: Active

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 60 V

Current - Continuous Drain (Id) @ 25°C:: 14A (Tc)

Drive Voltage (Max Rds On, Min Rds On):: 4V, 5V

Rds On (Max) @ Id, Vgs:: 100mOhm @ 8.4A, 5V

Vgs(th) (Max) @ Id:: 2V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 18 nC @ 5 V

Vgs (Max):: ±10V

Input Capacitance (Ciss) (Max) @ Vds:: 870 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 2.5W (Ta), 42W (Tc)

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-251AA

IRLU024 FAQ

1.How can I place an order for IRLU024 through Aetrix?

Please submit a Request for Quotation (RFQ) for IRLU024 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 IRLU024 reliable?

The price and inventory of IRLU024 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IRLU024 is usually 5 days.

3.What payment methods are accepted for IRLU024?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IRLU024 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IRLU024?

IRLU024 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IRLU024 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 IRLU024?

For technical support, including IRLU024 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IRLU024 requirements.

6.How does Aetrix verify that IRLU024 is sourced from the original manufacturer or authorized distributors?

All IRLU024 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 IRLU024 meets industry standards.

7.What is the process for return or replacement of IRLU024?

All IRLU024 units undergo pre-shipment inspection (PSI). If there is an issue with IRLU024, 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 IRLU024 part is unused and in its original packaging.

Return procedure for IRLU024:

1.Submit a request within 90 days.

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

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