Description
3B28 1 Chatham 3B28 Vacuum Tube 1961 Vintage Xenon Half-Wave Rectifier Hickok TV-7D/U test reads 64. A reading of 40 is the minimum recommended. This tube was made in 1961 for the FAA by Chatham Electronics - a division of Tung-Sol. The 3B28 is an all-temperature replacement for the 866A. Your purchase will be carefully packed and shipped quickly via the USPS. Shipping discount when purchasing other items using the same ebay buyer ID.