Iseden DP89A  
Written by Accutron on 2017-03-22  

The Iseden DP89A is an unusual proto-planar VFD in a hermetic metal-and-glass envelope, with a unique dual 14-pin DIP base. The DP89A apparently saw limited adoption, as the only known application of this device is as the display of the Rockwell 61R handheld scientific calculator.

Iseden DP89A planar VFD.

DP89A VFD, underside construction.

This article is part of the [Vacuum & Gas-Filled Displays] exhibit.

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