1AF4

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1.4V @ 0.05A Filament Drive Rail, Normally Open/Normally Closed Contact Logic Not Applicable, Medium-Mu Power Triode Vacuum Tube. It combines a high-emission filament matrix with a n unyielding mechanical grid alignment frame, delivering highly repeatable, low-distortion low-frequency pre-amplifier tracking loops and instrumentation buffer steps safely up to its thermal dissipation boundaries, housed in a standard 7-pin miniature glass envelope chassis profile layout. Exact part index: 1AF4. Show more