IRLR024NTRLPBF - 55V 17A N-Ch HEXFET MOSFET DPAK | Infineon
MPN: IRLR024NTRLPBF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.92 | $0.92 |
| 10 | $0.78 | $7.80 |
| 100 | $0.62 | $62.00 |
| 500 | $0.51 | $255.00 |
| 1,000 | $0.44 | $440.00 |
| 2,500 | $0.38 | $950.00 |
IRLR024NTRLPBF Overview
A power MOSFET is a voltage-controlled semiconductor switch that uses an insulated gate (typically an oxide layer) to modulate conduction between its drain and source terminals. Within the broader taxonomy, this part is a discrete N-channel enhancement-mode MOSFET, a subset of power transistors, which in turn sit under the wider discrete-semiconductor and power-management categories. The 'N-channel' designation means conduction occurs via electrons, which yield roughly three times higher mobility than the holes in P-channel devices; the result is lower on-resistance per unit silicon area and faster switching. The 'HEXFET' label refers to Infineon's (originally International Rectifier's) proprietary cellular MOSFET architecture that subdivides the die into thousands of parallel cells to minimise R DS(on) while maintaining rugged avalanche capability.
Key features include a logic-level gate-threshold specification that allows direct drive from 3.3 V or 5 V microcontrollers and gate drivers, 17 A continuous drain current at 25 °C case temperature, 45 W maximum power dissipation, and fast switching speeds. The device is supplied in 3-pin (2 + tab) DPAK surface-mount packaging with tape-and-reel orientation to the left (TRL suffix). It is fully RoHS-compliant, lead-free, and rated for industrial temperature operation.
The IRLR024N's combination of 55 V breakdown voltage and 17 A current capability places it in the medium-power segment, ideal for applications below approximately 30 V bus rails. The logic-level gate-drive capability simplifies interfacing to digital controllers without bootstrap or charge-pump circuitry, and the avalanche rating provides robust transient handling for inductive loads. Compared with the legacy IRLR024 (60 V, 14 A, non-logic-level), the 'N' suffix denotes the newer generation with lower R DS(on) and logic-level gate threshold.
Typical applications include DC-DC converter synchronous rectifiers, low-voltage motor drivers for fans and small pumps, solenoid and valve drivers, battery protection circuits in 12 V systems, and high-side load switches in industrial automation. The DPAK footprint is widely accepted in power supply designs where moderate thermal performance is acceptable and through-hole mounting is not required.
When designing with the IRLR024NTRLPBF, ensure adequate copper area on the PCB tab and drain pad to dissipate heat. Use a gate resistor in the 10 Ω to 100 Ω range to control switching transients, and place a 10 kΩ pull-down on the gate to prevent inadvertent turn-on during supply ramp-up. Verify that peak drain current stays within the SOA across the entire operating temperature range.
This page consolidates distributor pricing, same-brand and cross-brand drop-in alternatives, application guidance, and design notes drawn from publicly available manufacturer documentation and distributor listings, providing an at-a-glance engineering reference that complements the official Infineon datasheet.
Drop-in alternatives for IRLR024NTRLPBF — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with IRLR024NTRLPBF (same form factor and footprint) — differing in MSL Level, Operating Temperature Range, Package, Technology.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
AUIRLR024N
✅ Drop-In📋 Reference alternative (not in catalog)
IRLR024NTRPBF
✅ Drop-In✓ In Stock
$0.46 / Unit
View Datasheet →IRLR024N
✅ Drop-In📋 Reference alternative (not in catalog)
NTD3055L104
✅ Drop-In📋 Reference alternative (not in catalog)
SiHU12N50E
✅ Drop-In📋 Reference alternative (not in catalog)
IRLR024NTRLPBF Maximum Ratings & Electrical Characteristics
| Transistor Polarity | N-Channel |
| Drain-Source Voltage (VDS) | 55 V |
| Continuous Drain Current (ID) at TC=25C | 17 A |
| On-Resistance RDS(on) max at VGS=10V | 65 mΩ |
| Gate Threshold Voltage VGS(th) | Logic-level (drive from 3.3V/5V logic) |
| Total Gate Charge (Qg) | 10 nC (typical) |
| Maximum Power Dissipation (PD) at TC=25C | 45 W |
| Thermal Resistance Junction-to-Case (RθJC) | 3.3 °C/W |
| Thermal Resistance Junction-to-Ambient (RθJA) | 50 °C/W (PCB mount) |
| Avalanche Rating | Fully avalanche rated |
| Package | TO-252AA (DPAK), 3-pin (2 + tab), Surface Mount |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -55 °C to +175 °C (junction) |
| RoHS Status | Compliant |
| Lead-Free / Halogen-Free | Yes / Yes |
| MSL Level | 1 |
| Technology | HEXFET (cellular N-channel MOSFET) |
IRLR024NTRLPBF Pin Configuration
| Pin 1 | Gate (G) — Logic-level gate drive input; full enhancement at VGS = 10 V; usable at VGS = 4.5 V |
| Pin 2 | Drain (D) — Drain terminal; internally connected to the metal tab/heatsink; primary current path |
| Pin 3 | Source (S) — Source terminal; reference for gate drive voltage; connect to GND for low-side switching |
Safe Operating Area (DC)
Typical Applications
IRLR024NTRLPBF is suitable for 7 applications: 12V Automotive Load Switch, DC-DC Synchronous Rectifier, Brushed DC Motor Driver, Battery Protection Circuit (12V/24V), Solenoid and Valve Driver, LED Lighting Driver (High-Power), Industrial Automation I/O Module.
12V Automotive Load Switch
The IRLR024NTRLPBF suits 12 V automotive load switching for lighting, solenoid, and small-motor control where 55 V VDS provides margin above 12 V nominal bus plus load-dump transients. Its 65 mΩ RDS(on) at VGS = 10 V minimises conduction loss at 5-10 A continuous loads, while the logic-level gate threshold allows direct PWM drive from automotive-grade MCUs running at 3.3 V or 5 V without level-shifting circuitry. Placed on the high-side or low-side of the load, the DPAK package's 45 W dissipation and 3.3 °C/W RθJC support sustained operation at moderate current, with the tab serving as a heatsink to the PCB copper pour. Compared with non-logic-level predecessors, the IRLR024NTRLPBF eliminates the need for gate-driver bootstraps and reduces BOM cost by 1-2 components.
Recommended
DC-DC Synchronous Rectifier
In buck and synchronous buck converter low-side positions, the IRLR024NTRLPBF serves as a 55 V/17 A synchronous rectifier for 12 V and 24 V input rails. Its 65 mΩ RDS(on) reduces rectifier conduction loss relative to diode solutions, and 10 nC total gate charge keeps switching losses low at 100 kHz to 500 kHz switching frequencies. The logic-level gate accepts direct drive from standard PWM controller outputs without an external gate-driver bootstrap. With DPAK RθJC of 3.3 °C/W and proper PCB copper heatsinking, the device sustains 5-10 A rectified currents continuously. Designers should size the gate-drive resistor at 10 Ω to 33 Ω to balance switching loss and EMI, and add a 10 kΩ gate pull-down to prevent shoot-through during controller start-up.
Recommended
Brushed DC Motor Driver
The IRLR024NTRLPBF drives small brushed DC motors in the 5-15 A range from 12 V to 36 V bus rails in fans, pumps, tools, and appliance subsystems. As an H-bridge low-side or high-side switch, the 55 V VDS comfortably tolerates inductive flyback above 24 V nominal, and the fully-avalanched silicon rating absorbs unclamped kickback when freewheeling diodes are omitted. Logic-level gate drive enables direct H-bridge control from 3.3 V or 5 V microcontrollers or dedicated motor-driver ICs without intermediate gate drivers. The DPAK package's 45 W dissipation supports continuous motor current under proper PCB thermal design, and the device's fast switching speed (Qg = 10 nC) enables PWM frequency operation up to 50 kHz for smooth torque control.
Recommended
Battery Protection Circuit (12V/24V)
The IRLR024NTRLPBF serves as a low-side disconnect switch in 12 V and 24 V lead-acid or lithium battery management systems where 17 A continuous rating covers most portable and backup-power loads. Its 65 mΩ RDS(on) drops only 1.1 V at 17 A (manageable dissipation), and the logic-level gate allows direct drive from battery-monitoring ICs running at 3.3 V. The fully-rated avalanche energy handles inductive transients from connected motors or relays. In reverse-polarity and over-current protection circuits, the DPAK footprint occupies minimal board space while the tab provides adequate thermal relief for sustained disconnect currents. For higher-current battery systems above 25 A, parallel multiple IRLR024NTRLPBF devices or step up to D2PAK-packaged MOSFETs.
Recommended
Solenoid and Valve Driver
Industrial solenoid and proportional valve drivers benefit from the IRLR024NTRLPBF's 55 V VDS rating, logic-level gate drive, and 17 A peak current capability. Hydraulic and pneumatic valves in 24 V systems draw 1-5 A holding current with 10-20 A inrush spikes, well within the device's SOA when pulsed. The HEXFET avalanche rating protects against the inductive kickback generated when the solenoid is de-energised, eliminating the need for external freewheeling diodes in many low-duty-cycle applications. Logic-level gate compatibility allows direct interfacing to 3.3 V or 5 V PLC outputs, reducing the interface circuitry to a single gate resistor. The DPAK footprint supports surface-mount manufacturing while providing sufficient thermal mass for sustained solenoid hold currents.
Recommended
LED Lighting Driver (High-Power)
The IRLR024NTRLPBF functions as a high-side PWM dimmer switch for 12 V and 24 V LED lighting strips and architectural luminaires delivering 5-15 A total load. Its 55 V VDS provides headroom for transient events on automotive and industrial buses, and the 65 mΩ RDS(on) keeps conduction losses below 5% at full load, preserving overall driver efficiency. Logic-level gate drive simplifies interface to 3.3 V microcontrollers implementing PWM dimming algorithms up to several kHz without flicker. The DPAK package handles 45 W of dissipation when PCB copper area is maximised, supporting continuous LED array currents of 8-10 A. For constant-current LED drivers requiring series pass regulation, the device's low RDS(on) at logic-level VGS makes it suitable as the linear regulator element.
Recommended
Industrial Automation I/O Module
Programmable Logic Controller (PLC) digital output modules and industrial I/O subsystems integrate the IRLR024NTRLPBF as a high-side or low-side switch for interfacing to 24 V field devices. Its 55 V VDS tolerates the 24 V nominal industrial bus with surge margin, and the 17 A continuous current supports multi-channel outputs switching solenoids, relays, and indicator loads. Logic-level gate compatibility with 3.3 V or 5 V I/O controller logic eliminates level-shifting, simplifying the module schematic. The DPAK surface-mount package supports automated assembly and provides adequate thermal dissipation for 0.5-2 A per channel continuous loads typical in industrial I/O. For safety-critical applications, the device's avalanche rating protects against field-wiring transients and reverse-polarity events when combined with external protection.
Recommended
Recommended Products Summary
Engineering reference data for IRLR024NTRLPBF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AUIRLR024N | IRLR024NTRPBF | IRLR024N | NTD3055L104 | SiHU12N50E |
|---|---|---|---|---|---|---|
| Package | TO-252AA (DPAK) | TO-252AA (DPAK) - same | TO-252AA (DPAK) - same | TO-252AA (DPAK) - same | TO-252AA (DPAK) - same | TO-252AA (DPAK) - same |
| Brand | Infineon | Infineon (same) | Infineon (same) | Infineon (same) | onsemi (different) | Vishay Intertechnology (different) |
| Drain-Source Voltage (VDS) | 55 V | 55 V | 55 V | 55 V | 60 V | 500 V |
| Continuous Drain Current (ID at TC=25C) | 17 A | 17 A | 17 A | 17 A | 12 A | 12 A |
Key Differentiators
- Logic-level gate drive eliminates external gate-driver circuitry (vs IRFR3711 (10V gate drive required))
- Lowest RDS(on) per silicon area in 55V DPAK class (vs NTD3055L104 (104 mΩ RDS(on)))
- Avalanche-rated for unclamped inductive switching (vs Generic 55V logic-level MOSFETs without EAS rating)
Design Notes
At 17 A continuous drain current with RDS(on) = 65 mΩ, conduction loss is P = I² × RDS(on) = 17² × 0.065 = 18.8 W. With DPAK thermal resistance RθJC = 3.3 °C/W, the junction temperature rises 18.8 × 3.3 = 62 °C above the case. Solder the tab to a minimum 1 square inch of 2 oz copper pour to keep RθJA below 50 °C/W; without proper heatsinking, the device will thermal-limit well before rated current. Estimated: assumes TC = 25 °C ambient-equivalent.
Route the gate-drive trace away from the drain switching node to minimise parasitic coupling through Cgd (Miller capacitance). Use a 10 Ω to 33 Ω gate resistor to dampen ringing and control dV/dt-induced turn-on; for high-side switching above 1 A, place a 10 kΩ pull-down resistor from gate to source to prevent floating-gate turn-on during MCU reset. Keep source-lead inductance under 5 nH by using a kelvin-source connection when driving high di/dt loads.
Do not exceed VDS = 55 V or VGS = ±20 V absolute maximums even for transient spikes. The DPAK tab is internally bonded to the drain (Pin 2); ensure PCB copper clearance prevents shorts to adjacent source connections. For inductive loads (motors, solenoids, relays), add a flyback diode or TVS clamp to limit drain-voltage transients within avalanche rating; never rely solely on the MOSFET's avalanche energy for repetitive switching events above datasheet EAS.
The fast switching edge (Qg = 10 nC typical) generates high dV/dt that can couple into adjacent signal traces and radiate EMI. Add a snubber (RC or RCD) across the drain-source for switching frequencies above 100 kHz, and use a gate-drive resistor of 33-100 Ω to slow the edge if EMI compliance is not met. Place input bulk capacitance within 10 mm of the drain terminal to minimise switching-loop inductance, which directly affects ringing amplitude.
Compliance Information
Infineon HEXFET family. RoHS and lead-free per Infineon product page. AEC-Q101 automotive qualification NOT present on standard part; choose AUIRLR024N for automotive.
