Industrial Electronics

Nexperia’s premier SiC MOSFETs now come in the increasingly popular D2PAK-7

22 May 2024

Nexperia is now offering its industry leading 1,200 V silicon carbide (SiC) metal-oxide-semiconductor field-effect transistors (MOSFETs) in D2PAK-7 surface mount device (SMD) packaging, with a choice of 30, 40, 60, and 80 mΩ RDSon values. This announcement follows on from Nexperia’s late-2023 release of two discrete SiC MOSFETs in 3 and 4-pin TO-247 packaging and is the latest offering in a series that will see its SiC MOSFET portfolio swiftly expand to include devices with RDSon values of 17, 30, 40, 60 and 80 mΩ in flexible package options.

With the release of the NSF0xx120D7A0, Nexperia is addressing the growing market demand for high performance SiC switches in SMD packages like D2PAK-7, which is becoming increasingly popular in various industrial applications including electric vehicle (EV) charging (charge pile, offboard charging), uninterruptible power supplies (UPS) and inverters for solar and energy storage systems (ESS). It is alsoSource: NexperiaSource: Nexperia further testimony to Nexperia’s successful strategic partnership with Mitsubishi Electric Corporation (MELCO), which has seen the two companies join forces to push the energy efficiency and electrical performance of SiC wide bandgap semiconductors to the next level, while additionally future-proofing production capacity for this technology in response to ever growing market demand.

RDSon is a critical performance parameter for SiC MOSFETs because it impacts conduction power losses. However, many manufacturers concentrate on the nominal value, neglecting the fact that it can increase by more than 100% as device operating temperatures rise, resulting in considerable conduction losses. Nexperia identified this as a limiting factor in the performance of many currently available SiC devices and leveraged the features of its innovative process technology to ensure that its new SiC MOSFETs offer industry-leading temperature stability, with the nominal value of RDSon increasing by only 38% over an operating temperature range from 25° C to 175° C.

Tightest threshold voltage, VGS(th) specification, allows these discrete MOSFETs to offer balanced current-carrying performance when connected in parallel. Furthermore, low body diode forward voltage (VSD) is a parameter, which increases device robustness and efficiency, while also relaxing the dead-time requirement during freewheeling operation.

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