OLC049

Radiation-Tolerant, Phototransistor Surface-Mount Optocoupler


The OLC049 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 Current Transfer Ratio (CTR) and low saturation VCE. Each optocoupler consists of an LED and N-P-N silicon phototransistor that is electrically isolated, but optically coupled inside a non-hermetic, four-pin Leadless Chip Carrier (LCC) package.

The hermetic surface-mount variant of the OLC049 optocoupler is available as the OLS049, both in a non-screened catalog version as well as a high-reliability screened version.

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Specifications

Memo
ConditionCTR @ IF = 1 mA
CTR Min.200
CTR Max.1200
BVCEO (V)60
Vcc Max. (V)
Switching Time (μs)25
Isolation @ VDC 1 Sec.1000
Package Photo
Package Info4-Lead Non Hermetic LCC
Radiation TolerantYes
No Base ConnectionYes

Features

  • Miniature non-hermetic surface-mount package
  • Radiation tolerant
  • High CTR guaranteed over –55 °C to +125 °C ambient temperature range
  • 1000 VDC electrical isolation

Product Documents

Applications

Avionics

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Surveillance Systems

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Communications

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Radar

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Space

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