EPC Space has introduced the EPC7019G, a 40V, 4m? radiation-hardened gallium nitride (GaN) power transistor designed for new-age applications in space and high-reliability environments.
This advancement positions GaN technology as a formidable competitor to traditional silicon-based solutions in low-voltage power electronics.Â
Key Features and Advantages of the EPC7019G GaN Power Transistor
- Ultra-Low On-Resistance: At 4 milliohms, the EPC7019G offers significantly lower resistance compared to comparable silicon MOSFETs, leading to reduced conduction losses.
- High Current Handling: Capable of pulsed currents up to 530A, it supports high-power applications with ease.Â
- Radiation Hardness: With a total ionizing dose rating exceeding 1 Mrad and single event effect immunity for LET of 85 MeV/(mg/cm²), it’s well-suited for space missions.Â
- Compact Packaging: The device comes in a hermetic package with a footprint under 45 mm², facilitating integration into space-constrained designs.Â
Industry Impact and ApplicationsÂ
The EPC7019G GaN Power Transistor Performance Characteristics Make it Ideal for Various Applications:Â
- Spaceborne Systems: Power supplies for satellites, deep space probes, and other space mission equipment.Â
- Robotics: Motor drives and control systems requiring high efficiency and reliability.
- Instrumentation: Precision equipment where low noise and high power density are critical.
The Rise of GaN in Power Electronics
Gallium nitride’s superior properties—such as higher breakdown strength, lower gate charge, and better thermal conductivity—enable higher switching frequencies and efficiencies. These advantages lead to more compact and lighter-weight circuitry, essential for modern electronic systems.
Market Trends and Future Outlook
The adoption of GaN technology is accelerating across various sectors:
- Consumer Electronics: GaN transistors are now common in fast chargers and compact power adapters.
- Automotive: Electric vehicles benefit from GaN’s efficiency and compactness in powertrain components.
- Industrial Systems: High-efficiency power supplies and motor drives are increasingly utilizing GaN devices.
Analysts predict continued growth in the GaN semiconductor market, driven by the demand for energy-efficient and compact power solutions.
EPC Space’s new GaN Power Transistor represents a significant milestone in the evolution of power electronics, offering a compelling alternative to silicon-based transistors in low-voltage applications.
Its combination of high performance, radiation hardness, and compact design positions it as a key component in the next generation of electronic systems.
Leadership Comments
Bel Lazar, CEO of EPC Space, stated: “The EPC7019G is the lowest on-resistance of any packaged rad-hard transistor currently on the market. This device offers a mission-critical component with superior figure of merit, significantly smaller size, and lower cost for the space and other high-reliability markets than alternative rad-hard silicon solutions.”
