CLU048-1818C4 Datasheet, PDF (3/15 Pages) CITIZEN ELECTRONICS CO., LTD. – CITILED COB Series Standard Type Ra90 Model

2. Performance Characteristics
2-1. Electro Optical Characteristics
Electro Optical Characteristics
Product code
Nominal
CCT
CLU048-1818C4-273H5K2
CLU048-1818C4-303H5K2
CLU048-1818C4-353H5K2
CLU048-1818C4-403H5K2
2700K
3000K
3500K
4000K
CRI
Ra R9
Min. Min.
90
50
90
50
90
50
90
50
Luminous flux
( lm )
Efficacy _Forward
( lm/W ) _Current
Tｊ=85C Tc=25C*
( mA )
Min. Typ. Typ. Typ.
8,264 9,391 10,267 111 1,620
8,637 9,815 10,731 117 1,620
8,802 10,003 10,936 119 1,620
8,895 10,108 11,051 120 1,620
Voltage
( V)
Min. Typ. Max.
47.8 52.0 56.2
47.8 52.0 56.2
47.8 52.0 56.2
47.8 52.0 56.2
( Tj=85C )
Thermal
Res is tance
Rj-c
( C/W )
0.17
0.17
0.17
0.17
Notes :
1. Citizen Electronics maintains forward voltage +/-3%, luminous flux +/-10%,Ra and R9 +/-1.
*Values of Luminous flux at Tc=25C are provided as reference only.
2-2. Absolute Maximum Ratings
Absolute Maximum Ratings
Parame te r
Input Power (W)
Forward Current (mA)
Reverse Current (mA)
Operating Temperature (C)
Storage Temperature (C)
Case Temperature (C)
Junction Temperature (C)
Symbol
Pi
If
Ir
Top
Tst
Tc
Tj
Rating
263.8
*1
4140
*1
1
-40 ~ +100
-40 ~ +100
105
*2
140
*3
*1. Input power and forward current are the values when the LED is used within the range of the derating
curve in this data sheet.
*2. Refer to 3. Outline drawing for Tc measurement point.
*3. D.C. Current : Tj = Tc + Rj-c × Pi
3
Ref.CE-P3544 02/16