Product Overview:
International Rectifier IRHLYS797034CMS is a high-reliability radiation-hardened N-Channel Power MOSFET, designed specifically for aerospace and space applications. Manufactured by International Rectifier (now part of Infineon Technologies), this device is part of their Hi-Rel line and is typically used in systems where performance under radiation and extreme environmental conditions is critical.
Key Features:
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Type: N-Channel Power MOSFET
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Radiation Hardened: Yes, ideal for space environments
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High Reliability: Designed for use in defense, aerospace, and satellite systems
Typical Electrical Specifications (Reference Only – Verify with Datasheet):
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Drain-to-Source Voltage (V<sub>DS</sub>): ~100 V
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Continuous Drain Current (I<sub>D</sub>): Up to 30 A
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R<sub>DS(on)</sub> (On-Resistance): Low, typically <0.1 Ω
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Gate Threshold Voltage (V<sub>GS(th)</sub>): ~2-4 V
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Total Gate Charge (Q<sub>g</sub>): Moderate, for switching speed control
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TID Radiation Tolerance: 100 krad(Si) or more (varies by series)
Common Applications:
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Satellite power management systems
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Aerospace motor control circuits
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Radiation-prone environments (LEO, GEO, deep space)
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High-reliability military electronics



