IRFB7437PBF IR

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IRFB7437PBF N-Channel HEXFET Power MOSFET

IRFB7437PBF – 40V N-Channel HEXFET Power MOSFET

is a high-performance N-Channel HEXFET power MOSFET, optimized for ultra-low RDS(on) and high-current handling in low-voltage power applications. Designed and manufactured by International Rectifier (now Infineon Technologies), it offers excellent conduction efficiency and fast switching capability, making it ideal for DC-DC converters, synchronous rectifiers, power ORing, and battery management systems. This device supports a drain-source voltage of 40V, continuous drain current over 195A, and is built using advanced planar technology. Its rugged TO-220AB package ensures efficient heat dissipation, making it suitable for both high-efficiency SMPS designs and automotive low-voltage drives.

How EstiSource Helps

EstiSource supports design and sourcing teams by streamlining the acquisition of critical components like the IRFB7437PBF MOSFET. From real-time cost insights and alternate part recommendations to trusted supplier links and availability alerts, our platform ensures engineers and buyers reduce procurement time and cost, especially when dealing with high-current, low-voltage power semiconductor components. Whether for B2B buyers needing real-time distributor stock and RFQ breakdowns, individual engineers seeking small packs and datasheet-backed specs, or startups and designers looking to simplify BOM costing and discover second-source alternatives, EstiSource provides tailored solutions.

Why Choose EstiSource for Sourcing

EstiSource empowers engineers, startups, and procurement teams to make sourcing smarter, faster, and more reliable. With part-level cost transparency, intelligent alternates, and a network of pre-vetted suppliers, you can cut RFQ cycle time by 80% while ensuring quality and compliance. Whether sourcing IR MOSFETs or cross-referencing alternates, EstiSource keeps your team one step ahead in both cost intelligence and component reliability.

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