New old stock * No longer available for export. MFR: RCA, Hytron SKU: 837-USA
General characteristics: Filament voltage, V: 12.6 Heater current, A: 0.7 Type of current: AC Anode voltage, V: 500 Anode, mA: 60 Grid current second, mA: 30 Maximum power dissipation second grid, W:8 Output power, W: 20
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
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 SKU: 5581
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