Microchip completes radiation-hardened power MOSFET family to high specifications

Microchip has announced its completion of its family of radiation-hardened (rad-hard) power MOSFETs to the MIL-PRF-19500/746 slash-sheet specification and the achievement of JANSF qualification for its JANSF2N8587U3, 100V N-channel MOSFET to 300 Krad (Si) Total Ionising Dose (TID).

Microchip’s JANS series of rad-hard power devices is available in voltage ranges from 100–250V to 100 Krad (Si) TID, with the family expanding to higher Radiation Hardness Assurance (RHA) levels, starting with the JANSF2N7587U3 at 300 Krad (Si) TID. The JANS RH MOSFET die is available in multiple package options including a plastic package using the MIL-qualified JANSR die, providing a cost-effective power device for New Space and Low Earth Orbit (LEO) applications. The ceramic package is hermetically sealed and developed for total dose and Single-Event-Environments (SEE).

The devices are designed to meet the MIL-PRF19500/746 standard with enhanced performance for applications that demand high-reliability components capable of withstanding the harsh environments of space and extending the reliability of power circuitry.

The JANSF and JANSR RH power MOSFETs serve as the primary switching elements in power conversion circuits, including point-of-load converters, DC-DC converters, motor drives and controls, and general-purpose switching. With low RDS(ON) and a low total gate charge, these power MOSFETs according to Microchip, offer improved energy efficiency, reduced heat generation and enhanced switching performance when compared to similar devices on the market.

Microchip offers a broad portfolio of high-reliability solutions designed for aerospace and defence including Radiation-Tolerant (RT) and Radiation-Hardened (RH) MCUs, FPGAs and Ethernet PHYs, power devices, RF products, timing solutions, as well as discrete components from bare die to system modules.

Development Tools
There are Spice Models available for our JANS MOSFETs, offering additional resources for software simulation and design optimisation.

https://www.microchip.com

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