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Radiation Tolerant Optocoupler Provides Reliable Isolation

Radiation Tolerant Optocoupler Provides Reliable Isolation
TT electronics plc
September 6, 2016

The HCC100x optocouplers use a light sensitive interface to offer high-reliability electrical isolation between input and output circuits. They are viable for the isolation of electrical circuits within high-radiation deep spaceflight applications including satellites, launch vehicles, space craft, and planetary rovers. Suitable for use in any harsh, industrial environment where radiation may potentially affect the performance of electrical circuitry, the optocouplers are Total Ionizing Dose (TID) radiation tolerant to 100Krad (Si), extended to 300Krad, with a low dose rate (ELDRS) of 0.1rad/s and Neutron exposure of 1E12 neutrons/cm, extended to 2E12 neutron/cm. The design consists of both an infrared LED and a NPN silicon phototransistor, mounted in a choice of packages including a hermetically sealed TO-78 metal can, 6-pin SMD, hermetically sealed ceramic 4-pin or 6-pin LCC, high-voltage isolator assembly, or a custom designed package. For more details, visit

TT Electronics plc
South Yorkshire, UK
+44 (0)114 244 2521


CompanyTT electronics plc
CountryUnited Kingdom (UK)

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