2. Performance Characteristics
2-1. Electro Optical Characteristics
( Tj=85C )
Luminous flux
CRI
Thermal
Resistance
Rj-c
Efficacy
( lm/W )
Voltage
( V)
Forward
Current
( mA )
( lm)
Nominal
Product code
CCT
Tc=25C**
Typ.
498
Ra
Min.
80
R9
Tｊ=85C
( C/W )
Min.
Min.
Typ.
449
468
476
480
487
496
495
509
516
Typ.
147
153
156
157
159
162
162
166
169
Min.
31.2
31.2
31.2
31.2
31.2
31.2
31.2
31.2
31.2
Typ. Max.
CLU028-1201C4-27*M2M2-F1
CLU028-1201C4-30*M2M2-F1
CLU028-1201C4-35*M2M2-F1
CLU028-1201C4-40*M2M2-F1
CLU028-1201C4-50*M2M2-F1
CLU028-1201C4-65*M2M2-F1
CLU028-1201C4-30AL7M4-F1
CLU028-1201C4-40AL7M4-F1
CLU028-1201C4-50AL7M4-F1
2700K
3000K
3500K
4000K
5000K
6500K
3000K
4000K
5000K
0
0
0
0
0
0
-
395
411
418
422
428
436
435
447
454
90
90
90
90
90
90
90
90
90
34.0
34.0
34.0
34.0
34.0
34.0
34.0
34.0
34.0
36.8
36.8
36.8
36.8
36.8
36.8
36.8
36.8
36.8
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
80
520
80
528
80
533
80
541
80
551
70
550
70
-
565
70
-
573
Notes :
1. Citizen Electronics maintains a tolerance of ± 10% on luminous fluxmeasurements.
2. Citizen Electronics maintains a tolerance of ± 3% on forward voltage measurements.
3. Citizen Electronics maintains a tolerance of ± 1 on Ra measurements.
* : 2 = 2-step MacAdamellipse , 3 = 3-step MacAdamellipse
**Values of Luminous fluxat Tc=25C are provided as reference only.
2-2. Absolute Maximum Ratings
Parameter
Symbol
Rating
Input Power (W)
Forward Current (mA)
Reverse Current (mA)
Operating Temperature (C)
Storage Temperature (C)
Case Temperature (C)
Junction Temperature (C)
9.8
230
*1
Pi
If
*1
1
Ir
-40 ~ +100
-40 ~ +100
120
Top
Tst
Tc
Tj
*2
*3
150
*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-P3780 11/16
CITIZEN [ CITIZEN ELECTRONICS CO., LTD. ]
