Datasheet > CMT2850-0000-000N0U0A30Q

CMT2850-0000-000N0U0A30Q

更新时间： 2025-07-20 00:31:03

品牌	Logo	应用领域
科锐 - CREE		/
页数	文件大小	规格书
21页	2709K
描述
CreeÂ® XLampÂ® CMT2850 LED

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CMT2850-0000-000N0U0A30Q 数据手册

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XLamp^®CmT2850 LED

oPEꢀꢁTing LiMiTs

Thꢀ maximum currꢀnt rating of thꢀ CMT2850 dꢀpꢀnds on thꢀ casꢀ tꢀmpꢀraturꢀ (Tc) whꢀn thꢀ LeD has rꢀachꢀd thꢀrmal ꢀquilibrium

undꢀr stꢀady-statꢀ opꢀration. Thꢀ graph shown bꢀlow assumꢀs that thꢀ systꢀm dꢀsign ꢀmploys good thꢀrmal managꢀmꢀnt (thꢀrmal

intꢀrfacꢀ matꢀrial and hꢀat sink) and may ꢁary whꢀn poor thꢀrmal managꢀmꢀnt is ꢀmployꢀd. eithꢀr soldꢀr pad shown in thꢀ Mꢀchanical

Dimꢀnsions sꢀction on pagꢀ 18 can bꢀ usꢀd as thꢀ Tc mꢀasurꢀmꢀnt point.

Anothꢀr important factor in good thꢀrmal managꢀmꢀnt is thꢀ tꢀmpꢀraturꢀ of thꢀ Light emitting Surfacꢀ (LeS). Crꢀꢀ rꢀcommꢀnds a

maximum LES temperature of 140 °C to ensure optimal LED lifetime. Please refer to the Thermal Design section on page 19 for more

information on LeS tꢀmpꢀraturꢀ mꢀasurꢀmꢀnt.

3600

85 °C, 3500 mA

3200

Standard LEDs

2800

2400

2000

1600

125 °C,

1346 mA

1200

800

400

100

125

150

Case Temperature (°C)

2500

2250

2000

1750

1500

1250

1000

750

85 °C, 2340 mA

eTone LEDs

500

250

100

125

150

Case Temperature (°C)

eTone™ is a trademark of Cree, Inc. UL^®and the UR logo are registered trademarks of UL LLC.

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