{"@context":"https://schema.org","@type":"Product","name":"CEC Industries 257","mpn":"257","brand":{"@type":"Brand","name":"CEC Industries"},"category":"Miniature bayonet lamp","url":"https://www.bulbcross.com/parts/cec-industries/257/","description":"CEC Industries 257 — miniature bayonet lamp (miniature lamps)","status":"unknown","specifications":[{"key":"base","label":"Base","value":"Miniature Bayonet (BA9s)","unit":null,"status":"verified"},{"key":"bulb_shape","label":"Bulb shape","value":"G-4 1/2","unit":null,"status":"verified"},{"key":"current","label":"Current","value":"0.27","unit":"A","status":"verified"},{"key":"e_marked","label":"E-marked","value":"No","unit":null,"status":"verified"},{"key":"filament","label":"Filament","value":"C-2R","unit":null,"status":"verified"},{"key":"glass_diameter_in","label":"Glass diameter","value":"0.55","unit":"in","status":"verified"},{"key":"glass_diameter_mm","label":"Glass diameter","value":"14","unit":"mm","status":"verified"},{"key":"lcl_in","label":"Light centre length (LCL)","value":"0.63","unit":"in","status":"verified"},{"key":"lcl_mm","label":"Light centre length (LCL)","value":"16.00","unit":"mm","status":"verified"},{"key":"mol_in","label":"Maximum overall length (MOL)","value":"1.06","unit":"in","status":"verified"},{"key":"mol_mm","label":"Maximum overall length (MOL)","value":"26.90","unit":"mm","status":"verified"},{"key":"rated_life_h","label":"Average rated life","value":"500","unit":"h","status":"verified"},{"key":"voltage","label":"Voltage","value":"14","unit":"V","status":"verified"},{"key":"wattage","label":"Wattage","value":"3.78","unit":"W","status":"verified"}],"fits":[],"cross_references":[],"sources":[{"title":"CEC Industries: All Miniature Lamps (catalogue listing)","url":"https://www.cecindustries.com/products/miniatures/all-miniature.php?page=4&npp=100","publisher":"CEC Industries","kind":"catalog_page","locator":"row 257","supports":"spec"},{"title":"CEC Industries: miniature lamp 257 (catalogue detail page)","url":"https://www.cecindustries.com/products/miniatures/mindetails.php?SentPartNum=257","publisher":"CEC Industries","kind":"manufacturer_page","locator":"","supports":"spec"}],"offers":[],"evidence_labels":{"verified":"stated by the manufacturer's own published cross-reference or catalogue","single_source":"stated by one publisher, not corroborated","candidate":"asserted by a seller listing only"},"generated":"2026-09-30","site":"BulbCross"}