pro_details

OLF249

Radiation Tolerant Phototransistor Hermetic Surface Mount Optocoupler

The OLF249 consists of an LED that is optically coupled to an N-P-N silicon phototransistor mounted in an 8-pin hermetic surface mount flat-pack package. The leads can be formed to provide compliant solder connections to the mounting substrate.

Electrical parameters are similar to the JEDEC registered 4N49 optocoupler, but with much better current transfer ratio (CTR) degradation characteristics due to radiation exposure. Special electrical parametric selections are available on request.
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Features

    • Hermetic SMT package
    • Compliant surface mounting leads
    • High current transfer ratio
    • Small package size
    • High reliability and rugged construction
    • High-reliability screening available
    • Radiation tolerant

Images & Diagrams

Specifications

    • Memo
    • Condition
    • CTR @ IF = 1 mA
    • CTR Min.
    • 200
    • CTR Max.
    • 1200
    • BVCEO (V)
    • 40
    • Vcc Max. (V)
    • Switching Time (μs)
    • 25
    • Isolation @ VDC 1 Sec.
    • 1000/3000
    • Package Photo
    • Package Info
    • 8-Lead Hermetic Ceramic Flat
    • Radiation Tolerant
    • Yes
    • No Base Connection

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