industry news
Subscribe Now

QPL-qualified SupIR-SMD package for rad hard MOSFETs enables higher performing space power systems

Munich, Germany, and El Segundo, California – 23 June 2020 – Reliably attaching surface mount hermetic power packages to PCBs is a common challenge faced by space system designers. Too often, different thermal coefficients lead to an expansion mismatch of different materials. IR HiRel, an Infineon Technologies AG (FSE: IFX / OTCQX: IFNNY) company, solves this issue with fourteen newly QPL-qualified radiation-hardened (rad hard) MOSFETs housed in an innovative direct-to-PCB mounting package. SupIR-SMD is key to higher performing space power systems such as satellite bus power distribution systems, payload power supplies, space-grade DC-DC converters, and other high-switching designs.

Capable of attaching directly to the PCB, the SupIR-SMD design is optimized for surface mount attach and proven to meet the most stringent reliability testing in this configuration, as detailed in IR HiRel’s application note #1222. Compared to the typical packaging solution used in space applications, the SupIR-SMD delivers a 37 percent smaller footprint, 34 percent lighter mass and 33 percent higher current density, while offering a more direct thermal path for heat transfer. “With this, the SupIR-SMD package is testament to IR HiRel’s commitment to deliver innovation that exceeds the specific requirements of the space market,” said Eric Toulouse, Vice-President and General Manager of IR HiRel. 

Traditionally, designers resort to a ‘dead bug’ and lead configuration, where the packages are flipped upside down and soldered to the PCB via leads. Dead bug soldering dissipates heat sub-optimally and decreases MOSFET power capacity. Looking forward, system designers can optimize power system efficiency through direct mount of the SupIR-SMD package to the PCB, enabling the shortest thermal conduction path without any compromise in system reliability.

The SupIR-SMD package is JANS-qualified to MIL-PRF-19500. JANS is the most rigorous level of screening and acceptance requirements available to assure the performance, quality and reliability of discrete semiconductors intended for space flight. The new rad hard MOSFETs are also QPL-qualified in accordance with the Qualified Products List (QPL) for space applications.


The new SupIR-SMD QPL-qualified rad hard MOSFETs can be ordered now with the MIL-PRF-19500 package identifier ‘U2A.’ More information is available at

Leave a Reply

featured blogs
Jan 22, 2021
Amidst an ongoing worldwide pandemic, Samtec continues to connect with our communities. As a digital technology company, we understand the challenges and how uncertain times have been for everyone. In early 2020, Samtec Cares suspended its normal grant cycle and concentrated ...
Jan 22, 2021
I was recently introduced to the concept of a tray that quickly and easily attaches to your car'€™s steering wheel (not while you are driving, of course). What a good idea!...
Jan 22, 2021
This is my second post about this year's CES. The first was Consumer Electronics Show 2021: GM, Intel . AMD The second day of CES opened with Lisa Su, AMD's CEO, presenting. AMD announced new... [[ Click on the title to access the full blog on the Cadence Community...
Jan 20, 2021
Explore how EDA tools & proven IP accelerate the automotive design process and ensure compliance with Automotive Safety Integrity Levels & ISO requirements. The post How EDA Tools and IP Support Automotive Functional Safety Compliance appeared first on From Silicon...

featured paper

Common Design Pitfalls When Designing With Hall 2D Sensors And How To Avoid Them

Sponsored by Texas Instruments

This article discusses three widespread application issues in industrial and automotive end equipment – rotary encoding, in-plane magnetic sensing, and safety-critical – that can be solved more efficiently using devices with new features and higher performance. We will discuss in which end products these applications can be found and also provide a comparison with our traditional digital Hall-effect sensors showing how the new releases complement our existing portfolio.

Click here to download the whitepaper

featured chalk talk

High-Performance Test to 70 GHz

Sponsored by Samtec

Today’s high-speed serial interfaces with PAM4 present serious challenges when it comes to test. Eval boards can end up huge, and signal integrity of the test point system is always a concern. In this episode of Chalk Talk, Amelia Dalton chats with Matthew Burns of Samtec about the Bullseye test point system, which can maintain signal integrity up to 70 GHz with a compact test point footprint.

Click here for more information about Samtec’s Bulls Eye® Test System