Unverified80% confidenceTradeoffTime unknown
功率越高光照越强但发热越大，无散热片或无风扇的高功率（＞50W）灯具易高温衰减寿命，密集摆放灯珠的贴片灯板需带铝基板散热
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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Unverified亮度越高（流明越大）的智能灯泡功耗和发热越大，而智能驱动电路怕热，高温会缩短寿命，密闭灯罩内不建议塞高功率智能灯泡86% similarUnverified亮度越高越费电且发热越大，一体式灯珠机型高亮档连续使用易过热降频；需要长续航就接受牺牲峰值亮度85% similarUnverified灯珠密度越高、亮度越亮，功率和发热越大，5米高密度灯带满负载功率可达40-60W，超过电源适配器和铜线载流量会导致远端变暗（电压跌落），长灯带需选带回路供电或双端供电设计85% similarUnverified亮度与散热/寿命的矛盾：小体积高流明头灯持续满功率会过热强制降档，追求持久稳定输出反而应选亮度适中、有金属散热的机型85% similarUnverified亮度越高越费电且发热越大，1000流明以上手电持续高亮往往需铝合金散热+主动降档，日常应急300-500流明已足够照亮房间和道路85% similar
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