Designed primarily for use as an RF amplifier in radar receivers. 10db of noise at 1Ghz. New old stock * No longer available for export. MFR: RCA SKU: 446A
Suitable for use as the series valve in voltage stabilization equipment. New old stock * No longer available for export. MFR: CEI, Made in England SKU: A2134
Designed to function as a half wave rectifier in photoflash circuits as it has a low filament voltage. New old stock * No longer available for export. MFR: Tung Sol SKU: 5517
Side-on type having S-4 response. Wavelength of maximum spectral response is 4000 +/- 500 angstroms. New old stock * No longer available for export. MFR: Cetron, RCA, Tung-Sol SKU: 5581
Designed to function in harsh shock, vibration, and high temperature conditions. New old stock * No longer available for export. MFR: Sylvania SKU: 5641
Designed to function in UHF detector purposes as well as clamping and/or gating circuits. New old stock * No longer available for export. MFR: Sylvania SKU: 5674
Designed to be used as a voltage reference tube in electronic regulated supplies. New old stock * No longer available for export. MFR: Raytheon SKU: 5783