{"id":40751,"date":"2022-03-24T05:00:00","date_gmt":"2022-03-24T10:00:00","guid":{"rendered":"https:\/\/flex.com\/resources\/new-variants-added-to-popular-bmr491-quarter-brick-dc-dc-range"},"modified":"2026-03-18T17:32:40","modified_gmt":"2026-03-18T22:32:40","slug":"new-variants-added-to-popular-bmr491-quarter-brick-dc-dc-range","status":"publish","type":"resource","link":"https:\/\/flex.com\/zh\/resources\/new-variants-added-to-popular-bmr491-quarter-brick-dc-dc-range","title":{"rendered":"\u5e7f\u53d7\u6b22\u8fce\u7684 BMR491 \u56db\u5206\u4e4b\u4e00\u7816 DC\/DC \u7cfb\u5217\u65b0\u589e\u591a\u79cd\u578b\u53f7"},"content":{"rendered":"<div id=\"overscroll-top\" style=\"background-color: #eaeef4;\"><\/div>\n<div class=\"resource-header block\">\n\t<div class=\"container\">\n\t\t<div class=\"breadcrumb\">\n\t\t\t<a title=\"\u4e3b\u9875\" href=\"\/zh\/\">Flex<\/a>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 384 512\"><path d=\"M365.3 256l-22.6 22.6-192 192L128 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href=\"\/zh\/power-modules\/#resources\">\u7535\u6e90\u6a21\u5757<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n\n<div class=\"sidebar block normal-sidebar\">\n\t<div class=\"container\">\n\t\t<div class=\"content\">\n\t\t\t\n\n<p>Flex \u7535\u6e90\u6a21\u5757\u5df2\u6269\u5c55\u5176 <a href=\"https:\/\/flexpowermodules.com\/products\/bmr491\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">BMR491<\/a> \u65b0\u589e 2 \u6b3e\u6570\u5b57\u56db\u5206\u4e4b\u4e00\u7816 DC\/DC \u8f6c\u6362\u5668\u3002\u73b0\u6709\u529f\u7387\u7b49\u7ea7\u5206\u522b\u4e3a 1400 W \u8fde\u7eed\/2400 W \u5cf0\u503c (BMR4912307\/856) \u548c 1540 W \u8fde\u7eed\/2450 W \u5cf0\u503c (BMR4913208\/857)\u3002. <\/p>\n\n\n\n<p>\u6240\u6709\u65b0\u578b\u53f7\u5747\u91c7\u7528 Flex \u529f\u7387\u6a21\u5757\u7684\u2019\u6df7\u5408\u7a33\u538b\u6bd4 (HRR)\u2018\u6280\u672f\uff0c\u8be5\u6280\u672f\u4f7f\u8f93\u51fa\u7535\u538b\u4e0e\u8f93\u5165\u7535\u538b\u6210\u6bd4\u4f8b\u53d8\u5316\uff0c\u4f46\u4e0e\u8d1f\u8f7d\u7535\u6d41\u65e0\u5173\uff0c\u4ece\u800c\u4f18\u5316\u6548\u7387\u548c\u7535\u78c1\u5e72\u6270 (EMI) \u6ee4\u6ce2\u3002\u6a21\u5757\u53ef\u5728\u9884\u8bbe\u8f93\u5165\u7535\u538b\u4e0b\u4e8e\u6b64\u6a21\u5f0f\u548c\u5b8c\u5168\u8f93\u51fa\u7a33\u538b\u6a21\u5f0f\u4e4b\u95f4\u5207\u6362\uff0c\u4ee5\u9650\u5236\u8f93\u51fa\u7535\u538b\u7684\u603b\u6ce2\u52a8\u8303\u56f4\u3002\u56e0\u6b64\uff0c\u4e24\u79cd\u65b0\u578b\u53f7\u5728 50% \u8d1f\u8f7d\u4e0b\u6548\u7387\u5747\u63d0\u5347\u81f3\u9ad8\u8fbe 97.5%\u3002\u8f93\u51fa\u7535\u538b\u4e2d\u5fc3\u503c\u7ea6\u4e3a 12V\uff0c\u8f93\u5165\u7535\u538b\u8303\u56f4\u5305\u62ec 48-56V \u548c 40-60V\uff08\u9002\u7528\u4e8e\u6570\u636e\u4e2d\u5fc3\u5e94\u7528\uff09\u3002.<\/p>\n\n\n\n<p>BMR4912307\/856 \u578b\u53f7\u9ad8\u5ea6\u4ec5\u4e3a 13.4 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Sellin\u8bc4\u8bba\u9053\uff1a\u201c\u8d8a\u6765\u8d8a\u591a\u7684\u5ba2\u6237\u8981\u6c42\u6211\u4eec\u63d0\u4f9b\u5cf0\u503c\u529f\u7387\u5904\u7406\u80fd\u529b\uff0c\u4ee5\u652f\u6301\u65e5\u76ca\u52a8\u6001\u7684\u8d1f\u8f7d\uff0c\u6211\u4eec\u73b0\u5728\u63a8\u51fa\u4e86\u591a\u79cd\u89e3\u51b3\u65b9\u6848\u6765\u6ee1\u8db3\u4ed6\u4eec\u7684\u9700\u6c42\uff0c\u5176\u4e2d\u5305\u62ecBMR491\u7cfb\u5217\u3002\u91c7\u7528\u6211\u4eec\u7684HRR\u6280\u672f\u8fd8\u80fd\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5b83\u4eec\u7684\u6548\u7387\u2014\u2014\u8fd9\u662f\u4e00\u4e2a\u53cc\u8d62\u7684\u7ec4\u5408\u3002\u201d.<\/p>\n\n\n\n<p>\u6240\u6709\u578b\u53f7\u5747\u53ef\u6309OEM\u6570\u91cf\u4f9b\u8d27\u3002. <\/p>\n\n\n<div class=\"spacer block\" style=\"height: 24px;\">\n\t<\/div>\n\n\t\t<\/div>\n\t\t<div class=\"sidebar normal-column\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u6211\u4eec\u6269\u5c55\u4e86 BMR491 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