СМ 28-2
![](https://old-lighting.ru/sites/default/files/styles/lamp_drawing/public/pictures/catimages/2020/07/01/030-10.jpg?itok=MIlG1dZI)
![](https://old-lighting.ru/sites/default/files/styles/lamp_drawing/public/pictures/catimages/2020/07/01/030-10.jpg?itok=MIlG1dZI)
Encyclopedia chapter: Aircraft incandescent lamps, Miniature and subminiature incandescent lamps
Power (W): ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAOCAYAAAAWo42rAAAA40lEQVQokZXRr0oFYRAF8N9+3CBiELfoK1zfQsTk2kyCF0SwWI1abhCbJjH6JwgGYbcbTCaDyUcw7BoERQz7WXbl3ovIOm3OnDMzZyaJMeoSoRPrP8QehKqYxRmWG/E9buo0u5rseIsPLGIBT7gMVbE2SexDnWYvdZp9YtgI+2OjMcDbyEpbmMZjCySj5wlVsYINbOIagzrNvn6IoSoCdnGEZ5zXaXY8ZjvGKCnzg6TM35My344xtthqUuZLbd4LVTGPPUxhPVTFDF5xigvctWbmmsI+dnDYDHvAya9m/orOL/wGTM9QqQy+zNEAAAAASUVORK5CYII=)
Luminous flux (lm): ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAAOCAYAAAD5YeaVAAAA20lEQVQokbXSPUoEMRgG4GfDYCUiRkRQUBAtLCz2BhauVQ4gXsBbbOEJxGMoNoO1oCAWNjaWVuIfjFhsKVmbGRiGVbbxK9/vCbwJ6Y3HY9NOmFqigFCVAQv4zDHlPzGOcFIfLJDxgX085pi+23gFt9hDH/fQoG7neSzjEjc4w9ZvF8z1ssALBrgKVbkaqnK2i09xmGPazTGtYQNfGOSYRl38hIsmzDG94Rqbk2o84DVU5Vyoyp066+N9Er7DTN11MVTlMbZx3sbN0w2xXndfwggHOabnNu7929/4AUTxPETUWoqmAAAAAElFTkSuQmCC)
Average life (h): ![](data:image/png;base64,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)
Diameter (mm): ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAOCAYAAAA8E3wEAAABjklEQVQ4jd3UPWhVMRjG8V+DOJVSiKBDxVURdLCDgwg6XYSIiJMdRJ3qBw4uikNBx4JQOtWPxaFLFZQMIoiDUqgogksHN8VFMaU4dJLU4Z5bbg8O3qWCLxzOSfKc558nCRlaX1+3lRW2lPYvgNs2yCWP4g7O4Dtma0wPBjELJe/ANDpYxYfGZ2lD06d/0oh24z1mQ8ljAwZYwGHsw/5m4ouh5CubgKHkExjHM4ziJnbWmL4OkG4ER7FSY1qtMVVMNcOH2gknMIJ3+IyPODtgutHGbziU3PMdwy/UNnBv0zmFc3iKmVDyyb+l1Zi+4C4O4G0oeQ5vsB0rbeAa7tWYbteYHteYJpufJ9rGoeROKPlFKPnIH6DXcQzLTdej5v28p+md0mXdDe6vorvM/bALeNg0d+Fga3xYdx+v1ph+hpJPo1NjetUGLuB+KHkRS7iEi83TX3v6vtfaCXELN5BCycs4hclNk4Ia00ucxwy+4TKu1ZhetwwX8Ak/Gm275nRXahzHMV1jmu8XDP33d+lv+KR5qwXi+kcAAAAASUVORK5CYII=)
Length (mm): ![](data:image/png;base64,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)
Cap/base type: ![](data:image/png;base64,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)
See also: СМ-39
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