Radiation-Tolerant Phototransistor Non-Hermetic Surface-Mount Optocoupler

Features ? Radiation tolerant version of the 4N49U ? High current transfer ratio (CTR) is guaranteed: – Over –55 °C to +125 °C ambient temperature range – At LED current of 1mA ? 1000 VDC electrical isolation ? Same processing and construction as the OLC249, but with a higher CTR Descript

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Phototransistor Optocouplers

The OLC449 can be used for large satellite constellation applications that require optical isolation in radiation environments such as gamma, neutron, and proton radiation with a high CTR and low saturation VCE. Each optocoupler consists of an LED and N-P-N silicon phototransistor that is electrical ? Radiation tolerant version of the 4N49U\n? High current transfer ratio (CTR) is guaranteed:?– Over –55 °C to +125 °C ambient temperature range\n?– At LED current of 1mA;

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Radiation Tolerant, Phototransistor Hermetic Surface Mount Optocoupler

Features ? Hermetic SMT package ? Compliant surface mounting leads ? High Current Transfer Ratio (CTR) ? Small package size ? High reliability and rugged construction ? High-reliability screening is available ? Radiation tolerant

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Radiation Tolerant Phototransistor Hermetic Surface Mount Optocoupler

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P-Channel 30 V (D-S) MOSFET

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VISHAYVishay Siliconix

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