IRLR8743TRPBF

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IRLR8743TRPBF

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MOSFET N-CH 30V 160A DPAK

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Specifications

Attribute Value
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series HEXFET®
Part Status Active
FET Type N-Channel
Technology MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss) 30 V
Current - Continuous Drain(Id) @ 25°C 160A (Tc)
Drive Voltage(Max Rds On Min Rds On) 4.5V, 10V
Rds On(Max) @ Id Vgs 3.1mOhm @ 25A, 10V
Vgs(th)(Max) @ Id 2.35V @ 100µA
Gate Charge(Qg)(Max) @ Vgs 59 nC @ 4.5 V
Vgs(Max) ±20V
Input Capacitance(Ciss)(Max) @ Vds 4880 pF @ 15 V
Power Dissipation (Max) 135W (Tc)
Operating Temperature -55°C ~ 175°C (TJ)
Mounting Type Surface Mount
Supplier Device Package D-Pak

Overview

Description

The IRLR8743TRPBF is a N-channel MOSFET from Infineon, designed for high-efficiency power switching applications. Key features include:
- Low on-resistance (RDS(on)): 3.7 mΩ (max) at VGS = 10V, reducing conduction losses.
- High current handling: Up to 195A (pulsed) and 140A (continuous).
- Fast switching: Optimized for DC-DC converters, motor drives, and power management.
- Low gate charge (Qg): Enhances efficiency in high-frequency circuits.
- Avalanche-rated: Robust against voltage spikes.
Packaged in a D2PAK (TO-263), it suits automotive, industrial, and consumer electronics where thermal performance is critical.
Typical applications:
- Synchronous rectification in SMPS.
- Battery protection circuits.
- Motor control in EVs and robotics.
Check datasheet for detailed specs like thermal resistance and safe operating area (SOA).

Equivalent

Equivalent products to the IRLR8743TRPBF (N-channel MOSFET, 30V, 130A, 3.7mΩ) include:
- IRLR8748TRPBF (similar specs, slightly higher RDS(on))
- IRL40B209 (40V, 195A, 4.5mΩ)
- STL160N3LLH6 (30V, 160A, 3.3mΩ)
- AONR21357 (30V, 120A, 3.7mΩ)
Check datasheets for exact compatibility in your application.

Pinout

The IRLR8743TRPBF is a N-channel MOSFET in a TO-252 (DPAK) package with 3 pins:
1. Gate (G) – Controls the switching (input signal).
2. Drain (D) – Connects to the load (high-voltage side).
3. Source (S) – Ground/reference (low-voltage side).
Key Features:
- VDS: 30V
- ID: 130A (pulsed) / 100A (continuous)
- Low RDS(on): 1.7mΩ (max at VGS=10V)
- Logic-Level Gate Drive (fully enhanced at 4.5V)
Applications: Power switching in motor control, DC-DC converters, and high-current load drivers.

Manufacturer

The IRLR8743TRPBF is manufactured by Infineon Technologies, a German semiconductor company. Infineon specializes in power electronics, automotive systems, and IoT solutions, known for high-performance MOSFETs like this one. The company emerged from Siemens' semiconductor division and is a leader in energy-efficient technologies.

Application

The IRLR8743TRPBF is a power MOSFET commonly used in:
1. Switching Power Supplies – Efficient voltage conversion in DC-DC and AC-DC circuits.
2. Motor Control – Drives motors in automotive, robotics, and industrial systems.
3. Battery Management – Protects and controls charge/discharge in Li-ion/power tool batteries.
4. LED Drivers – Regulates current in high-power LED lighting.
5. Solar Inverters – Converts DC to AC in renewable energy systems.
Its low on-resistance (RDS(on)) and high current handling (up to 143A) make it ideal for high-efficiency, high-power applications.

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