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IRLR3103TR

Name: IRLR3103TR
Rating: 4.7 (12 reviews)

MOSFET N-CH 30V 55A DPAK

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仕様

Supplier	Infineon Technologies
Package	Tape & Reel (TR)
Series	HEXFET®
ProductStatus	Obsolete
FETType	N-Channel
Technology	MOSFET (Metal Oxide)
DraintoSourceVoltage(Vdss)	30 V
Current-ContinuousDrain(Id)@25°C	55A (Tc)
DriveVoltage(MaxRdsOnMinRdsOn)	4.5V, 10V
RdsOn(Max)@IdVgs	19mOhm @ 33A, 10V
Vgs(th)(Max)@Id	1V @ 250µA
GateCharge(Qg)(Max)@Vgs	50 nC @ 4.5 V
Vgs(Max)	±16V
InputCapacitance(Ciss)(Max)@Vds	1600 pF @ 25 V
PowerDissipation(Max)	107W (Tc)
OperatingTemperature	-55°C ~ 175°C (TJ)
MountingType	Surface Mount
SupplierDevicePackage	D-Pak

概要

Description

IRLR3103TR is a logic-level N-channel power MOSFET from International Rectifier (now Infineon). It’s intended for fast, efficient low-voltage switching in power electronics, usable in DC-DC converters, motor drivers, and other 12–30 V systems. The “TR” suffix indicates a Tape & Reel variant; packaging can be DPAK/TO-252 or similar depending on variant—check the exact datasheet for pinout. Key points: gate-drive can be from standard logic or a driver; it offers low on-resistance and high switching speeds suitable for compact, high-efficiency designs. For accurate design values, verify the exact ratings in the datasheet: Vds (drain-source voltage), Id (continuous drain current), Rds(on) at Vgs=4.5/10 V, total gate charge, switching characteristics, thermal resistance, and safe operating area. If you want, I can pull the specific datasheet details or confirm the exact package and pinout for your variant.

Features

IRLR3103TR is a logic-level N-channel power MOSFET. Key features:
- 30 V Drain-Source max (Vds)
- Continuous drain current ~3.1 A
- Very low Rds(on): ~7 mΩ (typ) at Vgs = 4.5 V (max around 10 mΩ)
- Logic-level gate drive: fully on at standard logic voltages (≈4.5 V)
- Fast switching with low gate charge
- Avalanche-rated/rugged for reliability
- Pb-free and RoHS compliant
- Packaging: Tape & Reel (TR) version suitable for automated assembly
These make it suitable for low-voltage switching, motor control, and power-management applications.

Package

IRLR3103TR is an N-channel MOSFET in a TO-220AB (through-hole) package; the TR suffix denotes a Tape & Reel version.

Pinout

- Pin count: 3 main pins (plus the metal tab).
- Pin functions (viewed from front/standard DPAK/TO-252 footprint):
1. Gate – control input
2. Drain – power input (also the metal tab)
3. Source – power output/return
Device function: IRLR3103TR is an N-channel, logic‑level power MOSFET (enhancement mode) used as a high‑current switch or amplifier; it conducts Drain→Source when Gate‑to‑Source voltage exceeds the threshold. "TR" denotes tape‑and‑reel packaging for automated assembly.

Manufacturer

The IRLR3103TR is a power MOSFET originally produced by International Rectifier (IR); that product line is now part of Infineon Technologies (Infineon acquired International Rectifier in 2015). Infineon is a multinational semiconductor company that designs and manufactures power semiconductors, microcontrollers, sensors and security ICs for automotive, industrial, and consumer applications.

Application

IRLR3103TR is a logic-level N-channel power MOSFET (~30 V). Typical applications include:
- Switching power supplies (buck/boost converters)
- Motor driver circuits (PWM for DC/brushless motors)
- Power-management switches in consumer/industrial electronics
- Automotive 12V/24V system power electronics
- Battery/solar charge controllers and related load switches
Gate-drive compatibility: suitable for 4–5 V logic drives; low Rds(on enables efficient switching.