DATA SHEET

CITILED COB Series Standard Type Ra90min. Model

CLU048-1818C4

Introduction

P 2

Performance Characteristics

P 3

Mechanical Dimensions

P 5

Characteristic Curves

P 6

Reliability

P 9

Packing Specification

P 10

Precaution

P 11

1 Ref.CE-P3711 05/16

Product Nomenclature

CLU048 - 18 18 C4 - 27 3 H5 K2 [1]

[2]

[3]

[4]

[1]

Product shape

CLU048

[2]

Die count in series

18

[3]

Die count in parallel

18

[4]

Nominal CCT

2700K

[5]

CRI (Ra)

Min.90

[5]

1. Introduction 1-1. Product Description CITIZEN ELECTRONICS is the first COB manufacture. Our advanced knowledge and packaging technology for many years has excellent reliability and high quality of our products. CITILED COB Series covers a wide range of luminous flux from a 10W incandescent bulb to a 500W mercury lamp in general lighting sources. The element arrangement of LED package is capable of utilizing light more effectively and higher performance. The new version of CITILED COB Series succeed to reduce the thermal resistance significantly. New version creates more options to match luminaire's products design (ex. High performance , Cost effective , Higher lumen density , Increased allowable max. If). The outline and LES size is same since version 1. 3-step MacAdam ellipse color definition at Tj=85℃ is available.

1-2. Features

2 Ref.CE-P3711 05/16

2. Performance Characteristics 2-1. Electro Optical Characteristics ( Tj=85C )

Product code

Nominal CCT

Luminous flux ( lm )

CRI

Tｊ=85C

Ra

R9

Min.

Min.

Min.

Typ.

Efficacy Forward ( lm/W ) Current Tc=25C* ( mA ) Typ. Typ.

Voltage ( V)

Thermal Resistance Rj-c ( C/W )

Min.

Typ.

Max.

CLU048-1818C4-273H5K2

2700K

90

50

8,264

9,391

10,267

111

1,620

47.8

52.0

56.2

0.17

CLU048-1818C4-303H5K2

3000K

90

50

8,637

9,815

10,731

117

1,620

47.8

52.0

56.2

0.17

CLU048-1818C4-353H5K2

3500K

90

50

8,802

10,003

10,936

119

1,620

47.8

52.0

56.2

0.17

CLU048-1818C4-403H5K2

4000K

90

50

8,895

10,108

11,051

120

1,620

47.8

52.0

56.2

0.17

CLU048-1818C4-573H5K2

5700K

90

50

9,385

10,665

11,660

127

1,620

47.8

52.0

56.2

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 Parameter

Symbol

Rating

Input Power (W) Forward Current (mA) Reverse Current (mA) Operating Temperature (C) Storage Temperature (C) Case Temperature (C) Junction Temperature (C)

Pi If Ir Top Tst Tc Tj

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-P3711 05/16

2-3. Chromaticity Characteristics ( Rated current, Tj=85C ) Oval parameter Color Region

Nominal CCT

Center Point ( x, y )

2700K 3-step MacAdam ellipse

Major Axis a

Minor Axis b

( 0.4577 , 0.4098 )

0.00774

0.00411

Ellipse Rotation Angle θ 57.28

3000K

( 0.4339 , 0.4032 )

0.00834

0.00408

53.17

3500K

( 0.4078 , 0.3929 )

0.00951

0.00417

52.97

4000K

( 0.3818 , 0.3796 )

0.00939

0.00402

54.00

5700K

( 0.3287 , 0.3417 )

0.00760

0.00296

59.46

* Color region stay within MacAdam 3-step ellipse from the chromaticity center. * The chromaticity center refers to ANSI C78.377:2011. Please refer to ANSI C78. 377 for the chromaticity center. * θ is the angle between the major axis of the ellipse and the x-axis, and a and b are the major and minor semi-axes of an ellipse. (Ref. IEC 60081:1997 AnnexD)

x-y chart CIE1931

0.45

3,000K

2,700K

3,500K Black Body Locus

4,000K

y

0.40

5,700K 0.35

3-step 0.30 0.30

0.35

0.40 x

0.45

0.50

Note : Citizen Electronics maintains chromaticity ( x, y ) +/-0.005

4 Ref.CE-P3711 05/16

3. Mechanical Dimensions

・Internal Circuit Marking 1 : Serial No. Marking 2 : H 18 18 ** **

Protection device CRI CCT

Anode

Dies count in parallel

Cathode LED device

Dies count in series CLU048

18 s 18 p 　

5 Ref.CE-P3711 05/16

4. Characteristic Curves 4-1. Forward Current Characteristics / Temperature Characteristics Forward Current vs. Forward Voltage

Forward Current vs. Relative Luminous Flux

Tc=25C

Vf [V]

60.0 55.0 50.0 45.0 40.0 35.0 30.0

200% 150% 100% 50% 0%

0

1000

2000 3000 If [mA]

4000

5000

0

Case Temperature vs. Forward Voltage

1000

2000 3000 If [mA]

4000

5000

Case Temperature vs. Relative Luminous Flux

If=1620mA

If=1620mA

120% Relative Luminous Flux [a.u.]

56.0 55.0 Vf [V]

Tc=25C

250% Relative Luminous Flux [a.u.]

65.0

54.0 53.0 52.0 51.0 50.0

100% 80% 60% 40% 20% 0%

0

25

50 Tc [C]

75

100

0

25

50 Tc [C]

75

100

6 Ref.CE-P3711 05/16

4-2. Optical Characteristics Spectrum : CRI(Ra) 90Min. 5700K

Tj=85℃

4000K

3500K

3000K

If=1620mA

2700K

100% 90%

Radiative Intensity

80% 70% 60% 50% 40% 30% 20% 10% 0% 380

430

480

530

580 Wave length [nm]

630

680

730

780

7 Ref.CE-P3711 05/16

4-2. Optical Characteristics (continued) Radiation Characteristic -40°

-30°

-20°

10°

-10°

100%

-50°

20°

30°

40°

50°

80%

-60°

-70°

60%

60°

40%

70°

X

20%

-80°

Y

-90°

80° 90°

0%

4-3. Derating Characteristics Case Temperature vs. Allowable Forward Current 4500 4000

If [mA]

3500 3000 2500 2000 1500 1000 500 0 0

25

50 75 Tc [C]

100

125

8 Ref.CE-P3711 05/16

5. Reliability 5-1. Reliability Test Test Item

Test Condition IF=1620mA　Ta=25C (with Al-fin) ×1000hrs

Continuous Operation Test

IF=1620mA Tj=140C (with Al-fin) ×1000hrs

Low Temperature Storage Test

-40 C × 1000 hours

High Temperature Storage Test

100 C × 1000 hours

Moisture-proof Test

85 C, 85 %RH for 500 hours

Thermal Shock Test

-40 C × 30 minutes – 100 C × 30 minutes, 100 cycle

5-2. Failure Criteria ( Tc=25C ) Measuring Item

Symbol

Measuring Condition

Failure Criteria

Forward Voltage

Vf

If=1620mA

>U × 1.1

Total Luminous Flux

Φv

If=1620mA