The Sylvania JAN OA2WA is a cold cathode, gas-filled voltage regulator vacuum tube, not a light bulb or lamp, designed for reliable military service. The "JAN" prefix indicates that it meets Joint Army-Navy (military) specifications.
Type: Cold cathode, gas-filled diode voltage regulator tube.
Starting Voltage: Approximately 185 V.
Operating Voltage: 150 V.
Operating Current: 5 to 30 mA (milliamperes).
Construction: Miniature size.
Equivalents: Cross-references to standard commercial part number OA2 (or 0A2).
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