Datasheet > CXA1304-0000-000C00A20E8

CXA1304-0000-000C00A20E8

更新时间： 2022-04-26 12:27:52

品牌	Logo	应用领域
科锐 - CREE		/
页数	文件大小	规格书
25页	2045K
描述
CXA1304 LED array expands Crees family of high flux, multi die arrays in a smaller

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XLamp CXa1304 LED

thermal design

Thꢀ CXA family of LeD arrays can includꢀ oꢁꢀr a hundrꢀd diffꢀrꢀnt LeD diꢀ insidꢀ onꢀ packagꢀ, and thus oꢁꢀr a hundrꢀd

diffꢀrꢀnt junction tꢀmpꢀraturꢀs (T_J). Crꢀꢀ has intꢀntionally rꢀmoꢁꢀd junction-tꢀmpꢀraturꢀ-basꢀd opꢀrating limits and

rꢀplacꢀd thꢀ commonplacꢀ maximum T_Jcalculations with maximum ratings basꢀd on forward currꢀnt (I_F) and casꢀ

tꢀmpꢀraturꢀ (Tc). No additional calculations arꢀ rꢀquirꢀd to ꢀnsurꢀ thꢀ CXA LeD is bꢀing opꢀratꢀd within its dꢀsignꢀd

limits. Please refer to page 2 for the Operating Limit speciﬁcation.

Crꢀꢀ has mꢀasurꢀd thꢀ tꢀmpꢀraturꢀ at thꢀ bottom of thꢀ packagꢀ, commonly rꢀfꢀrrꢀd to as thꢀ soldꢀr point (T_Sꢄ),

and found this ꢁaluꢀ to bꢀ ꢀquiꢁalꢀnt to thꢀ tꢀmpꢀraturꢀ at thꢀ Tc location at thꢀ top of thꢀ packagꢀ oncꢀ thꢀ LeD has

rꢀachꢀd thꢀrmal ꢀquilibrium. Thꢀrꢀ is no nꢀꢀd to calculatꢀ for T_Jinsidꢀ thꢀ packagꢀ, as thꢀ thꢀrmal managꢀmꢀnt dꢀsign

process, speciﬁcally from T_Sꢄto ambiꢀnt (T ), rꢀmains idꢀntical to any othꢀr LeD componꢀnt. For morꢀ information

on thꢀrmal managꢀmꢀnt of Crꢀꢀ XLamp LeDs, plꢀasꢀ rꢀfꢀr to thꢀ XLamp Thꢀrmal ꢃanagꢀmꢀnt application notꢀ at

www.crꢀꢀ.com/xlamp_app_notꢀs/thꢀrmal_managꢀmꢀnt. For CXA soldꢀring rꢀcommꢀndations and morꢀ information on

thꢀrmal intꢀrfacꢀ matꢀrials (TIꢃ) and connꢀction mꢀthods, plꢀasꢀ rꢀfꢀr to thꢀ Crꢀꢀ XLamp CXA Family LeDs soldꢀring

and handling documꢀnt at www.crꢀꢀ.com/xlamp_app_notꢀs/CXA_SH.

To kꢀꢀp thꢀ CXA1304 LeD at or bꢀlow thꢀ maximum ratꢀd Tc, thꢀ casꢀ to ambiꢀnt

tꢀmpꢀraturꢀ thꢀrmal rꢀsistancꢀ (R_c-a) must bꢀ at or bꢀlow thꢀ maximum R_c-a

R_j-c

ꢁaluꢀ shown on thꢀ following graphs, dꢀpꢀnding on thꢀ opꢀrating ꢀnꢁironmꢀnt. Thꢀ

y-axis in ꢀach graph is a basꢀ 10 logarithmic scalꢀ.

R_tim

As the ﬁgure at right shows, the R_c‑a value is the sum of the thermal resistance of

R_c-a

thꢀ TIꢃ (R_tim) plus thꢀ thꢀrmal rꢀsistancꢀ of thꢀ hꢀat sink (R_hs).

R_hs

100.00

10.00

1.00

9 V

Ta = 25 °C

Ta = 55 °C

Ta = 85 °C

Ta = 105 °C

0.10

0.01

200

300

400

500

600

700

800

900

1000

Current (mA)

trademarks of Cree, Inc.

1...19 20 212223 24 25

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与CXA1304-0000-000C00A20E8相关器件

型号	品牌	描述	获取价格	数据表
CXA1304-0000-000C00A227F	CREE	CXA1304 LED array expands Crees family of high flux, multi die arrays in a smaller	获取价格
CXA1304-0000-000C00A227H	CREE	CXA1304 LED array expands Crees family of high flux, multi die arrays in a smaller	获取价格
CXA1304-0000-000C00A40E6	CREE	CXA1304 LED array expands Crees family of high flux, multi die arrays in a smaller	获取价格
CXA1304-0000-000C00A40E7	CREE	CXA1304 LED array expands Crees family of high flux, multi die arrays in a smaller	获取价格
CXA1304-0000-000C00A40E8	CREE	CXA1304 LED array expands Crees family of high flux, multi die arrays in a smaller	获取价格
CXA1304-0000-000C00A427F	CREE	CXA1304 LED array expands Crees family of high flux, multi die arrays in a smaller	获取价格

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