Burroughs B4021L  
Written by Accutron on 2017-03-20  

The B4021 is Burroughs' first miniature end-view Nixie tube. With an 8mm digit height and an envelope diameter of 17mm, the B4021 ranks as one of the smallest Nixie tubes ever manufactured. While the default B4021 has standard tube pins, the B4021L shown here is one of the few early Nixie tubes with flying leads.

Burroughs B4021L miniature Nixie tube under normal operation.

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

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