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PowIRaudio™ IR43xx Integrated Power Modules

Infineon PowIRaudio™ Compact Integrated Power Modules are designed for high performance home theater systems and car audio amplifiers. They each integrate a PWM controller and two digital audio power MOSFETs in a single package, forming a high performance Class D audio amplifier. These integrated power modules offer a highly efficient, compact solution that reduces component count, shrinks PCB size up to 70%, and simplifies Class D amplifier design.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Class	Output Power	THD plus Noise	Package/Case	Audio - Load Impedance	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Series	Packaging
	Audio Amplifiers PowIRaudio 1-Ch Class-D Audio IR4321MTRPBF Infineon Technologies 1: €3.23 7,751In Stock	Mfr. Part No. IR4321MTRPBF Mouser Part No 942-IR4321MTRPBF	Infineon Technologies	Audio Amplifiers PowIRaudio 1-Ch Class-D Audio Learn More about Infineon Technologies ir ir432x audio amps	Datasheet	7,751In Stock	Cut Tape €3.23 €2.43 €2.23 €2.02 View Reel €1.61 €1.92 €1.89 €1.80 €1.75 €1.61 MouseReel Available	Min.: 1 Mult.: 1 : 4,000			Class-D	90 W	0.02 %	PQFN-22	4 Ohms	10 V	15 V	- 40 C	+ 100 C	SMD/SMT	IR43x	Reel, Cut Tape, MouseReel
	Audio Amplifiers Int Dig Audio Amp 160W 4ohm 250uVrms IR4301MTRPBF Infineon Technologies 1: €3.40 2,093In Stock	Mfr. Part No. IR4301MTRPBF Mouser Part No 942-IR4301MTRPBF	Infineon Technologies	Audio Amplifiers Int Dig Audio Amp 160W 4ohm 250uVrms Learn More about Infineon Technologies IR IR43xx amplifiers	Datasheet	2,093In Stock	Cut Tape €3.40 €2.62 €2.43 €2.22 View Reel €1.95 €2.12 €2.10 €2.04 €1.99 €1.95 MouseReel Available	Min.: 1 Mult.: 1 : 4,000			Class-D	160 W	10 %	PQFN-32	4 Ohms	10 V	15 V	- 55 C	+ 150 C	SMD/SMT	IR43x	Reel, Cut Tape, MouseReel
	Audio Amplifiers 2Ch Class D Audio 10W 4Ohm IR4322MTRPBF Infineon Technologies 1: €3.95 2,690In Stock	Mfr. Part No. IR4322MTRPBF Mouser Part No 942-IR4322MTRPBF	Infineon Technologies	Audio Amplifiers 2Ch Class D Audio 10W 4Ohm Learn More about Infineon Technologies ir ir432x audio amps	Datasheet	2,690In Stock	Cut Tape €3.95 €3.02 €2.73 €2.52 View Reel €2.21 €2.40 €2.39 €2.29 €2.21 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			Class-D	100 W	10 %	PQFN-44	4 Ohms	10 V	15 V	- 40 C	+ 100 C	SMD/SMT	IR43x	Reel, Cut Tape, MouseReel
	Audio Amplifiers Int Dig Audio Amp 35W 4ohm 250uVrms IR4302MTRPBF Infineon Technologies 1: €4.50 181In Stock 3,000Expected 28/01/2027	Mfr. Part No. IR4302MTRPBF Mouser Part No 942-IR4302MTRPBF	Infineon Technologies	Audio Amplifiers Int Dig Audio Amp 35W 4ohm 250uVrms Learn More about Infineon Technologies IR IR43xx amplifiers	Datasheet	181In Stock 3,000Expected 28/01/2027	Cut Tape €4.50 €3.42 €3.16 €2.86 View Reel €2.45 €2.73 €2.68 €2.60 €2.45 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			Class-D	130 W	0.02 %	PQFN-44	4 Ohms	300 mV	15 V	- 40 C	+ 100 C	SMD/SMT	IR43x	Reel, Cut Tape, MouseReel