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The BSZ520N15NS3G is an N-channel power MOSFET from Infineon, part of the OptiMOS™ 3 series, packaged in a TDSON-8 package (3.3×3.3mm), suitable for high-efficiency power conversion, motor drive, and automotive electronics applications. This device employs advanced MOSFET technology, featuring low on-resistance (RDS(on)), high switching speed, and excellent thermal performance, significantly enhancing system efficiency while reducing PCB space requirements.

Key Features — BSZ520N15NS3G

Low on-resistance: 20mΩ (typical), effectively reducing conduction losses and improving energy efficiency.

High current capability: 21A continuous drain current (ID), suitable for high-power applications.  

Fast switching performance:  

Rise time 5ns, fall time 3ns, reducing switching losses.  

Low gate charge (Qg=12nC @10V), optimising drive efficiency.  

High voltage rating: 150V drain-source voltage (VDS), suitable for 48V-80V systems.

Automotive-grade reliability: Compliant with AEC-Q100 standards, operating temperature range -55°C to +150°C.  

Compact packaging: TDSON-8 surface mount, saving PCB space and optimising thermal design.

Key parameters  

Model: BSZ520N15NS3G

Package: TDSON-8 (3.3×3.3mm)  

Drain-source voltage (VDS): 150V  

Continuous drain current (ID): 21A  

On-resistance (RDS(on)): 20mΩ (typical)

Gate Charge (Qg): 12 nC @10 V  

Input Capacitance (Ciss): 890 pF @75 V  

Switching Time: Rise 5 ns / Fall 3 ns  

Operating Temperature: -55°C to +150°C

Typical Applications — BSZ520N15NS3G

Power Conversion:  

AC-DC SMPS synchronous rectification  

DC-DC converter (communication/data centre)  

Motor Control:  

Power tools, home vehicles (48V system)  

Industrial servo drives  

Automotive Electronics:  

48V mild hybrid system (MHEV)  

Battery Management System (BMS)  

Consumer Electronics:  

Class D audio amplifier  

UPS uninterruptible power supply

Product Advantages — BSZ520N15NS3G

High Power Density: Compared to competitors, RDS(on) is reduced by 40%, and FOM (Figure of Merit) is optimised by 45%.

Environmental Design: Complies with RoHS halogen-free standards, suitable for green energy applications.

Simplified Design: Single-chip solution replaces traditional dual MOSFET configurations, reducing BOM costs.

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

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• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.