4N49 isolator equivalent, hi-reliability optically coupled isolator.
* TO-78 hermetically sealed package
* High current transfer ratio
* 1 kV electrical isolation
* Base contact provided for conventional transistor bia.
*.
Each isolator in this series consists of an infrared emi ng diode and a NPN silicon phototransistor, which are mounted in a herme cally sealed TO‐78 package. Devices are designed for military and/or harsh environments. The suffix le er “A” denotes the.
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