CL-L251-MC4W1-C_11 [CITIZEN]
LED lamp; LED灯
| 型号： | CL-L251-MC4W1-C_11 |
| 厂家： | 
CITIZEN ELECTRONICS CO., LTD. |
| 描述： | LED lamp |
| 文件： | 总11页 (文件大小：308K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1/11
DATA SHEET
1. Scope of Application
This data sheet is applied to the chip type LED lamp, model CL-L251-MC4W1-C.
2. Part code
C L - L 2 5 1 - M C 4 W 1 - C
Series
L251 : White power LED for general lighting.
Special specifications
M : General Color Rendering Index Typ. 85 Type.
Watt class
C4 : 4 watt package.
Lighting color
W1 : Compliance with ANSI C78.377-2008,
3-Step MacAdam ellipse,
Correlated Color Temperature 4000K
CITILED
CL-L251-MC4W1-C
Symbol
Name
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P1162 05/11 R1(0711)
2/11
DATA SHEET
3. Outline drawing
Cathode
(Tc Measurement Point) Resin
Cathode Mark
Cathode
Anode
×8
×8
×8
Protection device
It has a protection device built in as a
Anode
protection circuit against static electricity.
Unit : mm
Tolerances unless otherwise specified : 0.3
Marking 1 : Serial No.
Marking 2 : M 4 W 1 C
Color W1
Watt
Ra
4 : 4W
M : typ.85
4. Performance
( 1 ) Absolute Maximum Rating
Parameter
Rating Value
Symbol
PD
Unit
W
11.1
960
Power Dissipation
Forward Current
IF
mA
mA
mA
C
IFP
1,000
Forward Pulse Current
Reverse Current
*1
*2
IR
1
TOP
TST
Tj Max
-30 ～ +85
-40 ～ +100
150
Operating Temperature
Storage Temperature
Junction Temperature
C
C
*1 Forward Current : Duty<=1/10 , Pulse Width<=10msec
*2 D.C. Current : Tj = Tc + Rj-c × PD
Pulse Current : Tj = Tc + Rj-c × Pw(Power Dissipation / One-Pulse) × Duty
CITILED
CL-L251-MC4W1-C
Symbol
Name
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P1162 05/11 R1(0711)
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DATA SHEET
( 2 ) Electro-optical Characteristics
( Tc=25 C )
Parameter
Condition
IF=480mA
IF=480mA
Symbol
VF
Min.
8.75
289
Typ.
9.3
Max.
10.5
-
Unit
V
Forward Voltage
Luminous Flux
Φv
340
lm
General Color
IF=480mA
Ra
-
-
85
-
-
-
Rendering Index
Junction-case
Thermal Resistance
Rj-c
6.0
C/W
Chromaticity coordinates ( Condition : IF=480mA, Tc=25 C )
Color rank
Center
Referenceꢀ(ANSI C78.377)
Color rank
Center
x
y
x
y
0.3818
0.3797
0.3818
0.4006
0.3736
0.3670
0.3898
0.3797
0.4044
0.3874
0.3578
0.3716
(3985K)
Oval parameter
a
b
c
W1
W1
a
b
0.00939
0.00402
54.00
θ°
d
*Color region stay within MacAdam "3-step" ellipse from the chromaticity center.
*The chromaticity center refers to ANSI C78.377:2008.
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
0.41
3600K
4400K
4000K
0.40
0.39
0.38
0.37
0.36
0.35
Color region
Color region
(ANSI)
B.B. Locus
3800K
4200K
0.36
0.37
0.38
0.39
0.40
0.41
x
Note: The tolerance of measurement at our tester is VF+/-3%, Φv+/-10%, Chromaticity(x,y)+/-0.005
and Ra+/-1.
CITILED
Symbol
Name
CL-L251-MC4W1-C
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P1162 05/11 R1(0711)
4/11
DATA SHEET
5. Characteristics
・Forward Current vs. Forward Voltage
・Forward Current vs. Relative Luminous Flux
Tc=25C
Tc=25C
10.5
200%
180%
160%
140%
120%
100%
80%
10.0
9.5
9.0
8.5
8.0
7.5
60%
40%
20%
0%
0
200
400
600
800
1000
0
200
400
600
800
1000
IF [mA]
IF [mA]
・Forward Current vs. Chromaticity Coordinate
・Case Temperature vs. Chromaticity Coordinate
IF=480mA
Tc=25C
0.020
0.020
∆x
∆x
0.015
0.015
∆ｙ
∆ｙ
0.010
0.010
0.005
0.000
0.005
0.000
-0.005
-0.010
-0.015
-0.020
-0.005
-0.010
-0.015
-0.020
0
200
400
600
800
1000
0
25
50
75
100 125 150
IF [mA]
Tc[C]
CITILED
Symbol
Name
CL-L251-MC4W1-C
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P1162 05/11 R1(0711)
5/11
DATA SHEET
・Case Temperature vs. Forward Voltage
・Case Temperature vs. Relative Luminous Flux
IF=480mA
IF=480mA
120%
10.0
9.5
9.0
8.5
8.0
100%
80%
60%
40%
20%
0%
0
25
50
75
100 125 150
0
25
50
75
100
125
150
Tc [C]
Tc [C]
・Case Temperature vs. Allowable Forward Current
・Spectrum
Tc=25C, IF=480mA
120%
1200
100%
80%
60%
40%
20%
1000
800
600
400
200
0
0%
0
25
50
75
100
125
150
350
450
550
650
750
850
λ [nm]
Tc [C]
CITILED
Symbol
Name
CL-L251-MC4W1-C
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P1162 05/11 R1(0711)
6/11
DATA SHEET
6. Reliability
(1) Details of the tests
Test Item
Test Condition
Ta=25 C,IF=480 mA× 1000 hours(with Al-fin)
Ta=50 C,IF=480 mA× 1000 hours(with Al-fin)
-40 C × 1000 hours
Continuous Operation Test
Low Temperature Storage Test
High Temperature Storage Test
Moisture-proof Test
100 C × 1000 hours
60 C, 90 %RH for 1000 hours
Thermal Shock Test
-40 C × 30 minutes – 100 C × 30 minutes, 100 cycle
(2) Judgment Criteria of Failure for Reliability Test
(Ta=25 C)
Judgment Criteria for Failure
Measuring Item
Measuring Condition
Symbol
VF
IF=480mA
Forward Voltage
> U × 1.1
< S × 0.85
IF=480mA
Total Luminous Flux
Φv
U defines the upper limit of the specified characteristics. S defines the initial value.
Note: Measurement shall be taken between 2 hours and 24 hours, and the test pieces should be
returned to the normal ambient conditions after the completion of each test.
CL-L251-MC4L reliability test results will be used for CL-L251-MC4W1-C.
CITILED
Symbol
Name
CL-L251-MC4W1-C
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P1162 05/11 R1(0711)
7/11
DATA SHEET
7. Packing Specifications
(1) Packing
An empty tray is placed on top of a five-tier tray which contain 48 pieces each. The set of six
trays is banded together with two rubber bands.
(Smallest packing unit: 240 pieces)
A label with product name, quantity, lot number is placed on the upper empty tray.
Tray (Dimensions: 310 × 210 × 14.6mm / Materials: Electrically conductive PS)
< Packing figure >
14.6
310
Product 48pcs/tray
< Example of indication label >
1. TYPE
e.g. CL-L251-MC4W1-C
e.g. xxx
CUSTOMER
2. P.No. (Cutomer's P/N)
3. Lot No.
e.g. 03D001
TYPE
---(1)
---(2)
---(3)
CL-L251-MC4W1-C
xxx
03D001
240 pcs.
- First letter: Last digit of the year
e.g. 0 : year 2010
e.g. 3 : Mar
P.NO
LOT No
Q'ty
- Second letter: Production month
Note: October, November and December are designated
---(4)
PASS
by X, Y and Z, respectively.
- Third letter: CE's control number e.g. D001
CITIZEN ELECTRONICS
4. Quantity
e.g. 240 pieces
CITILED
CL-L251-MC4W1-C
Symbol
Name
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P1162 05/11 R1(0711)
8/11
DATA SHEET
8. Precautions
1. Avoid the application of any stress to the resin portion.
2. Avoid any contact by a sharp metal nail or other materials with the resin portion.
Resin portion (Shaded area)
3. This product should be secured firmly by fastening an M3 screw on both sides of the product.
Please be careful not to apply any stress to the product during the clamping operation.
As the connection status could vary depending on materials of outer heat sink,
please check thoroughly.
M3screw (Insulation)
Spring Washer ( φ6mm)
≦
Plane washer ( φ6mm)
≦
Thermal conduction materials
(Insulation)
Outer heart sink
13.08 mm
Recommended installation screw pitch
4. Insulation between the terminal section and the heat sink section of the LED is not covered
by warranty. With regard to insulation after this product has been assembled in an apparatus,
preventive action should be carried out by the customer.
5. For fixing this product to the outer heat sink, heat grease should be applied to the whole rear
surface so that the product can dissipate heat as a whole. Please pay attention to avoid product
deformation when conducting the clamping operation with heat grease in sheet form.
6. Handling of static electricity
- These products are sensitive to static electricity charge.
Please take measures to prevent any static electricity being produced such as the wearing of a
wristband or anti-static gloves when handling this product.
- All devices, equipment and machinery must be properly grounded. It is recommended that precautions
be taken against surge voltage to the equipment that mounts the LEDs.
- ESD sensitivity of this product is 1000V (HBM, based on JEITA ED-4701/304).
- When inspecting the final products in which LEDs were assembled, it is recommended to check
whether the assembled LEDs are damaged by static electricity or not.
- It is easy to find static-damaged LEDs by a light-on test.
<Light-on test criterion>
Condition
Judgmental criterion
No-lighting in entire block making
up parallel circuit is unacceptable
IF=8mA/PKG
L251 consists of three blocks.
CITILED
Symbol
Name
CL-L251-MC4W1-C
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P1162 05/11 R1(0711)
9/11
DATA SHEET
8. Precautions (continued)
7. Lighting at a low current
A minimum current value of lighting of all dice is 40mA.
When a minimum current is applied, LED dice may look different in their brightness due to
the individual difference of the LED element, and it is not a failed product.
8. Please be aware that this product should not come into contact with any other parts
in assembled status.
9. Drive circuit
- A constant current circuit is recommended as a drive circuit.
And when two or more LED packages are connected, the series connection
between each package is recommended.
- Please design a circuit that prevents any reverse voltage (excess current) from being
applied to this product instantaneously when the circuit is ON or OFF.
10. Heat generation
- As this product is designed with consideration of the heat release property of module,
a heat release design is required to use this product efficiently.
Please ensure that heat generation is not in excess of the absolute maximum rating.
(Refer to 4-1 Performance)
- Factors responsible for an increase in temperature include heat generation attributed to
ambient temperature conditions or power dissipation. Thus, drive conditions should be
taken into consideration, depending on ambient temperature (Ta).
11. Recommended soldering condition (This product is not adaptable to reflow process)
- Manual soldering
- Soldering shall be implemented using a soldering bit of 40W or less with a temperature
350°C or less within 3.5 seconds for one land.
(Recommended condition in a case of lead-free solder condition)
- No external force shall be applied to resin part during soldering.
- Next process of soldering should be carried out after the product has returned to ambient
- For soldering correction
- Regarding soldering correction, above conditions shall be used.
- Contacts number of soldering bit should be within twice for each terminal as a correction.
* Citizen Electronics cannot guarantee if usage exceeds this recommended conditions.
Please use it after sufficient verification is carried out on your own risk if necessary.
CITILED
Symbol
Name
CL-L251-MC4W1-C
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P1162 05/11 R1(0711)
10/11
DATA SHEET
12. Eye Safety
- The International Electrical Commission (IEC) published in 2006 IEC 62471
”2006 Photobiological safety oflamps and lamp systems ” which includes LEDs within its scope.
When sorting single LEDs according to IEC 62471, most LEDs can be classified as belonging to
either Exempt Group or Risk Group 1.
- Optical characteristics of LEDs such as radiant flux, spectrum and light distribution are factors
that affect the risk group determination of the LED, and especially a high-power LED,
that emits light containing blue wavelengths, may have properties equivalent to those of Risk Group 2.
- Great care should be taken when directly viewing an LED that is driven at high current,
has multiple uses as a module or when focusing the light with optical instruments,
as these actions may greatly increase the hazard to your eyes.
- In addition, LED sources that were included within the scope of IEC 60825-1 /
Edition 1.2 “laser safety standard”, published 2001 were removed from the scope of
the IEC 60825-1 / Edition 2.0 revised 2007.
- However, keep in mind that some countries and regions have adopted standards based
on the IEC laser safety standard IEC 60825-1:2001 which includes LEDs within its scope.
13. Other
- This product complies with RoHS directives.
CITILED
Symbol
Name
CL-L251-MC4W1-C
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P1162 05/11 R1(0711)
11/11
DATA SHEET
9. Precautions with regard to product use
1. This document is provided for reference purposes only so that CITIZEN ELECTRONICS'
products are used as intended. CITIZEN ELECTRONICS neither makes warranties or
representations with respect to the accuracy or completeness of the information contained
in this document nor grants any license to any intellectual property rights or any other
rights of CITIZEN ELECTRONICS or any third party with respect to the information
in this document.
2. All information included in this document such as product data, diagrams, charts,
is current as of the date this document is issued.
Such information, however, is subject to change without any prior notice.
Before purchasing or using any CITIZEN ELECTRONICS' products listed in this document,
please confirm the latest product information with a CITIZEN ELECTRONICS' sales office,
and formal specifications must be exchanged and signed by both parties prior to mass production.
3. CITIZEN ELECTRONICS has used reasonable care in compiling the information
included in this document,
but CITIZEN ELECTRONICS assumes no liability whatsoever for any damages incurred as
a result of errors or omissions in the information included in this document.
4. Absent ａ written signed agreement, except as provided in the relevant terms and conditions of
sale for product, and to the maximum extent allowable by law, CITIZEN ELECTRONICS
assumes no liability whatsoever, including without limitation, indirect, consequential, special,
or incidental damages or loss, including without limitation, loss of profits, loss of opportunities,
business interruption and loss of data, and disclaims any and all express or implied warranties
and conditions related to sale, use of product, or information, including warranties
or conditions of merchantability, fitness for a particular purpose, accuracy of information,
or no infringement.
5. Though CITIZEN ELECTRONICS works continually to improve products' quality and reliability,
products can malfunction or fail. Customers are responsible for complying with safety standards
and for providing adequate designs and safeguards to minimize risk and avoid situations
in which a malfunction or failure of a product could cause loss of human life,
bodily injury or damage to property, including data loss or corruption.
In addition, customers are also responsible for determining the appropriateness of
use of any information contained in this document such as application cases not only with
evaluating by their own but also by the entire system.
CITIZEN ELECTRONICS assumes no liability for customers' product design or applications.
6. Please contact CITIZEN ELECTRONICS' sales office if you have any questions regarding
the information contained in this document, or if you have any other inquiries.
CITILED
Symbol
Name
CL-L251-MC4W1-C
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P1162 05/11 R1(0711)
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