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SLR-343VCT32

P1-P3P4-P6P7-P9P10-P11
　　　　
[Data Sheet]
Visual light emitting diode does not contain reinforcement materials such as glass fillers.
Therefore if sudden thermal and mechanical shock are given, destruction or inferiority of luminous
intensity may occur. Please take care of the handling.
　(2) Using spacer between LEDʼs body and PCB is recommended.
　(2) Processing position, and process the reverse side
　　of LED body.
　　If stress is given during processing, It may cause
　　non-lighting failure.
　(3) Please process before soldering.
３． ASSEMBLY ON PC BOARD
　(1) In case of soldering on PCB, If the operation is done with stress, it may cause non-lighting
　　failure during soldering or using. Please design the through-holes of PCB suitable for lead pins
　　space or lead pins space after forming to avoid the physical stress on resin.
　　to avoid the remained stress and solder heat stress.
　　
Enough evaluation is requested before deciding assembly and soldering conditions.
■FIXATION METHOD
１．ATTENTION POINTS
　(1) Please do not give excessive heat over storage temperature to resin.
　　In case that the product has to be heated in oven for the glue fixing of surface mount parts,
　　this LED should be mounted after the glue fixing.
　(2) Please avoid stress to resin at high temperature.
２． TERMINATION PROCESSING
　(1) In case of termination processing, please fix the
　　termination
Please consult with us if any problems in the evaluation stage.
■ATTENTION POINTS IN HANDLING
[SLR-343x/SLR343x series]
　　In case of direct mount on PCB(SLR/SLI-343 series), please take care about clinch of LED pins
＜Good＞ ＜No good＞
To be fixed To be fixed
＜Good＞ ＜No good＞＜Good＞
＜2 lead pins type＞
＜3 lead pins type＞
Min.15°
Min.45°
Die bonding side
＜2 lead pin type＞
Min.15°
Min.45°
Die bonding side
Min.45
＜3 lead pin type＞
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www.rohm.com
©2016 ROHM Co., Ltd. All rights reserved
7/9
2017.9 - Rev.005
　　　　
[Data Sheet]
６．RECOMMENDABLE ROUND PATTERN
　　Round pattern depends on the material PCB, density and circuit arrangement.
■ATTENTION ON STORAGING
　　Our recommendation is as follow :
60sec Max.
ARTIICLE
SOLDERINGTEMP
OPERATION TIME
Remarks
－
　(3) In case of double peak flow soldering, the temperature gap during 1st and 2nd soldering to be
Temperature
Humidity
Expiration Date
　(1) Lead pins may corrode if it is stored in the environment of high temperature and humidity
　　and lead to defective soldering.
　(2) In case of soldering after LEDʼs body absorb moisture highly, destruction or inferiority of
to the end of 2nd peak.
Pre-heat
Max. 100℃
　In case of cleaning, some solvents may cause damage of resin or cause non-lighting failure,
５．CLEANING
In case of double peak flow soldering, the operation
time is counted from the beginning of 1st peak
Soldering Dip
Soldering Bath
Max. 265℃ 5sec Max.
Soldering Iron
Max. 400℃
3sec Max.
Temperature of solvent
：Max. 45℃
　so please check the solvent before actual use.
Immersion time
ARTICLE
　　less than 100 degree C.
＜Recommendable soldering conditions＞
[SLR-343x/SLR343x series]
４．SOLDERING（Sn-3Ag-0.5Cu）
　(1) Please make soldering rapidly under the following temperature and time conditions.
　(2) Please avoid stress to LED lamp during soldering.
The iron should not touch the LEDʼs body.
　The recommendable cleaning solvent is alcoholic one such as isopropyl alcohol.
＜RECOMMENDABLE CLEANING CONDITIONS＞
METHOD
CONDITIONS
Cleaning by solvent
Cleaning by solvent
Cleaning time
：Max. 3min
：Max. 3min
Ultrasonic out
：Max. 15W/Liter
　Storage in dry box is most desirable, but if it is not possible, we recommend following conditions.
＜RECOMMENDABLE STORAGE CONDITIONS＞
CONDITIONS
5〜30℃
Max.60%RH
Within 1 year
Poor storage conditions may cause some failure as bellow.
　　luminous intensity may occur.
<2 lead pin type> <3 lead pin type/2.5mm pitch>
＜3 lead pin type/2.0mm pitch>
1.5
±0.1
1.0
2.0
2.0
φ2.0
2.0
2.5
or
5.0
±0.1
1.0
2.0
±0.1
1.0
2.5
2.5
＊Unit : mm
＊Lead types : □0.4mm
□0.5mm
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www.rohm.com
©2016 ROHM Co., Ltd. All rights reserved
8/9
2017.9 - Rev.005
　　　　
[Data Sheet]
　　　The Product is LED. We are not responsible for the usage as the diode such as Protection Chip,
Rectifier, Switching and so on.
　　　The product is part of semiconductor and electrostatic sensitive, thereʼs high possibility to be
　　　damaged by the electrostatic discharge.
　　　Please take appropriate measures to avoid the static electricity from human body and earthing
　　setting of production equipment. The resistance values of electrostatic discharge (actual values)
　　are different varies with products, therefore, please call our Sales staffs for inquiries.
Applications with strong electromagnetic wave such as, IH cooker, will influence the reliability of LED,
therefore please evaluate before using it.
　　　surface ) or optical characteristics changes (light intensity, chrominance) and change in quality of
　　　 (ammonia), it may result in low soldering ability (caused by the change in quality of the plating
　　　die bonding (Ag-paste) materials. All of the above will cause function failure of the products.
３. Usage
　　　(2) On mode all the time
■OTHERS
１. Surrounding Gas
　　　Notice that if it is stored under the condition of acid gas (chlorine gas, sulfured gas) or alkali gas
　　　generated gas of the surrounding parts of the products and the atmospheric environment).
２. Electrostatic Damage
　　　Thereʼs possibility for intensity of light drop according to working conditions and environments
　　　 (applied current, surrounding temperature and humidity, corrosive gases ), please call our Sales
　　　(1) Longtime intensity of light life
３. Electromagnetic Wave
　　　staffs for inquiries about the concerned application below.
[SLR-343x/SLR343x series]
■APPLICATION METHOD
１．Precaution for Drive System and Off Mode
　　　・Design the circuit without the electric load exceeding the ABSOLUTE MAXIMUM RATING that
　　　applies on the products.
　　　・If drive by constant voltage, it may cause current deviation of the LED and result in deviation of
　　　luminous intensity, so we recommend to drive by constant current. (Deviation of VF Value will
　　　cause deviation of current in LED.)
・Furthermore, for off mode, please do not apply voltage neither forward nor reverse. Especially,
for the products with the Ag-paste used in the die bonding, thereʼs high possibility to cause electro
migration and result in function failure.
２. Operation Life Span
　　　Therefore, please pay attention to the storage environment for mounted product (concern the
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www.rohm.com
©2016 ROHM Co., Ltd. All rights reserved
9/9
2017.9 - Rev.005
P1-P3P4-P6P7-P9P10-P11

SLR-343VCT32

Mfr. #:
Buy SLR-343VCT32
Manufacturer:
Description:
Standard LEDs - Through Hole RED RED CLEAR LENS 2.5mm PITCH
Lifecycle:
New from this manufacturer.
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