2. Performance Characteristics
2-1. Electro Optical Characteristics
Electro Optical Characteristics
( Tj=85C )
Luminous flux
( lm)
Thermal
Resistance
Rj-c
CRI
Efficacy
( lm/W )
Voltage
( V)
Forward
Current
( mA )
Nominal
CCT
Product code
Ra
Min.
90
R9
Min.
50
Tc=25C*
Typ.
407
ｊ
T =85C
( C/W )
Min.
Typ.
367
384
392
396
Typ.
118
123
126
127
Min.
31.8
31.8
31.8
31.8
Typ. Max.
CLU028-1201C4-273H5K2
CLU028-1201C4-303H5K2
CLU028-1201C4-353H5K2
CLU028-1201C4-403H5K2
2700K
3000K
3500K
4000K
322
337
344
348
90
90
90
90
34.6
34.6
34.6
34.6
37.5
37.5
37.5
37.5
2.7
2.7
2.7
2.7
90
50
426
90
50
435
90
50
439
Notes :
1. Citizen Electronics maintains forward voltage +/-3%, luminous flux+/-10%,Ra and R9 +/-1.
*Values of Luminous fluxat Tc=25C are provided as reference only.
2-2. Absolute Maximum Ratings
Absolute Maximum Ratings
Parameter
Symbol
Rating
9.8
230
*1
*1
Input Power (W)
Forward Current (mA)
Reverse Current (mA)
Operating Temperature (C)
Storage Temperature (C)
Case Temperature (C)
Junction Temperature (C)
Pi
If
1
Ir
-40 ~ +100
-40 ~ +100
105
Top
Tst
Tc
Tj
*2
*3
140
*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-P3533 02/16
CITIZEN [ CITIZEN ELECTRONICS CO., LTD. ]
