IRLR7843TRPBF

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IRLR7843TRPBF

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MOSFET N-CH 30V 161A 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 161A (Tc)
Drive Voltage(Max Rds On Min Rds On) 4.5V, 10V
Rds On(Max) @ Id Vgs 3.3mOhm @ 15A, 10V
Vgs(th)(Max) @ Id 2.3V @ 250µA
Gate Charge(Qg)(Max) @ Vgs 50 nC @ 4.5 V
Vgs(Max) ±20V
Input Capacitance(Ciss)(Max) @ Vds 4380 pF @ 15 V
Power Dissipation (Max) 140W (Tc)
Operating Temperature -55°C ~ 175°C (TJ)
Mounting Type Surface Mount
Supplier Device Package D-Pak

Overview

Description

The IRLR7843TRPBF is a N-channel HEXFET Power MOSFET from Infineon, designed for high-efficiency switching applications. Key features:
- Voltage Rating: 30V
- Current Rating: 61A (continuous)
- Low On-Resistance (RDS(on)): 3.7mΩ (max at 10V VGS)
- Fast Switching: Optimized for high-speed performance
- Logic-Level Gate Drive: Compatible with 4.5V drive
- Package: D2PAK (TO-263), surface-mountable
Ideal for DC-DC converters, motor control, and power management in automotive, industrial, and consumer electronics. Its low RDS(on) minimizes conduction losses, improving efficiency.

Equivalent

Equivalent products to the IRLR7843TRPBF (30V, 160A, N-channel MOSFET) include:
- IRLR7843PbF (same specs, lead-free)
- IRLR7843 (non-lead-free version)
- IRL40B209 (similar specs, alternative option)
- AONR21357 (comparable 30V, 150A MOSFET from Alpha & Omega)
- CSD18540Q5B (30V, 100A, alternative from Texas Instruments)
Check datasheets for exact compatibility in your application.

Features

The IRLR7843TRPBF is a N-channel MOSFET with the following key features:
- Voltage Rating: 30V
- Current Rating: 61A (continuous)
- Low On-Resistance (RDS(on)): 3.7mΩ (max at VGS=10V)
- Fast Switching: Optimized for high-efficiency power applications
- Logic-Level Gate Drive: Fully enhanced at 4.5V (VGS)
- Avalanche Energy Rated: Improved ruggedness
- Low Gate Charge (Qg): 18nC (typ) for reduced switching losses
- Package: TO-252 (DPAK), surface-mount
Ideal for DC-DC converters, motor control, and power management in automotive, industrial, and consumer applications.

Pinout

The IRLR7843TRPBF is a N-channel MOSFET in a TO-252 (DPAK) package with 3 pins:
1. Gate (G) – Controls the switching operation.
2. Drain (D) – Connects to the load (high-voltage side).
3. Source (S) – Connects to ground (low-voltage side).
Key Features:
- 30V Drain-Source Voltage (VDS)
- 195A Continuous Drain Current (ID)
- Ultra-low On-Resistance (RDS(on) = 1.7mΩ @ 10V VGS)
- Logic-Level Gate Drive (4V VGS)
Commonly used in power switching, motor control, and DC-DC converters for high-efficiency applications.

Application

The IRLR7843TRPBF, a 30V N-channel MOSFET, is commonly used in:
1. Power Management – DC-DC converters, voltage regulators.
2. Motor Control – Brushed DC and stepper motor drivers.
3. Load Switching – Power distribution in automotive, industrial, and consumer electronics.
4. Battery Protection – Discharge control in portable devices.
5. LED Drivers – Efficient current control for lighting systems.
Its low on-resistance (1.8mΩ) and high current handling (195A pulsed) make it ideal for high-efficiency, high-power applications.

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