Radiation-Tolerant, Phototransistor Hermetic Optocoupler

Features ? Radiation-tolerant version of 4N49 ? Current Transfer Ratio (CTR) guaranteed over –55 °C to +100 °C ambient temperature range ? 1000 VDC electrical isolation ? High CTR ? Standard TO-5 hermetic package ? High reliability screening available

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Phototransistor Optocouplers

The OLH249 is designed especially for high-reliability applications that require optical isolation in radiation environments, such as gamma, neutron, and proton radiation with high current transfer ratio (CTR) and low saturation VCE. Each optocoupler consists of an LED and N-P-N silicon phototransis ? Radiation-tolerant version of 4N49\n? Current Transfer Ratio (CTR) guaranteed over –55 °C to\n? +100 °C ambient temperature range\n? 1000 VDC electrical isolation\n? High CTR\n? Standard TO-5 hermetic package\n? High reliability screening available;

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Radiation Tolerant Phototransistor Optocoupler For Hybrid Assembly

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Radiation-Tolerant, Phototransistor Optocoupler for Hybrid Assembly

Features ? Current transfer ratio (CTR) is: – Guaranteed over -55 °C to +100 °C ambient temperature range – High at low input current: 200 at IF = 2 mA over temperature – Comparable to Darlington output, but with low saturation VCE = 0.15 V typical ? 1500 VDC electrical isolation ? Small

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Radiation Tolerant Phototransistor Hermetic Surface Mount Optocoupler

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