SML-D22MUWT86

    
[Data Sheet]
3.Others
3-1.Surroundin
g
Gas
Notice that if it is stored under the condition of acid
g
as
(
chlorine
g
as, sulfured
g
as
)
or
alkali
g
as
(
ammonia
)
, it ma
y
result in low solderin
g
abilit
y
(
caused b
y
the chan
g
e in
q
ualit
y
of
the
p
latin
g
surface
)
or o
p
tical characteristics chan
g
es
(
li
g
ht intensit
y
, chrominance
)
and chan
g
e
in
q
ualit
y
of cause die bondin
g
(
A
g
-
p
aste
)
materials. All of the above will function failure of
Therefore, please pay attention to the stora
g
e environment for mounted product (concern the
3-2.Electrostatic Dama
g
e
The
p
roduct is
p
art of semiconductor and electrostatic sensitive, thereʼs hi
g
h
p
ossibilit
y
to be dama
g
ed
b
y
the electrostatic dischar
g
e. Please take a
pp
ro
p
riate measures to avoid the static electricit
y
from
human bod
y
and earthin
g
of
p
roduction e
q
ui
p
ment. Es
p
eciall
y
, InGaN t
yp
e LEDs have lower resistance
value of electrostatic dischar
g
e and it is recommended to introduce the ESD
p
rotection circuit.
The resistance values of electrostatic dischar
g
e
(
actual values
)
var
y
with
p
roducts, therefore,
p
lease call our Sales staffs for in
q
uiries.
3-3. Electroma
g
netic Wave
A
pp
lications with stron
g
electroma
g
netic wave such as, IH cooker, will influence the reliabilit
y
of LED,
therefore please evaluate before usin
g
it.
the products.
g
enerated
g
as of the surroundin
g
parts of the products and the atmospheric environment).
[SML-D22x series]
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2017.11 - Rev.003
    
[Data Sheet]
Stress stren
g
th accordin
g
to
he mountin
g
p
osition:
A>B>C>D
so
p
lease
p
a
y
attention to the touch on
p
roduct.
We recommend the solderin
g
p
attern that shows on the ri
g
ht.
It will be different accordin
g
to mountin
g
situation of circuit board,
therefore,
p
lease concern before desi
g
nin
g
.
※The
p
roduct has ado
p
ted the electrode structure that it should
solder with back electrode of the
p
roduct.
Thus,
p
lease be informed that the sha
p
e of electrode
p
in of
solder fillet formation is not
g
uaranteed.
In case of carryin
g
out flow solderin
g
of surroundin
g
parts without recommended conditions, please
contact us for inquiries.
・Please set appropriate reflow temperature based on our product usa
g
e conditions and specification.
・The max for reflowin
g
is 2 times, please finish the second reflow solderin
g
and flow solderin
g
the mounter to control the product stabilization. In addition, it is recommended to set ionizer
to prevent electrostatic char
g
e.
with other parts within the usa
g
e limitation after open the moistureproof packa
g
e.
・Compare with N2 reflow, durin
g
air reflow, because of the heat and surroundin
g
conditions,
it may cause the discoloration of the resin.
4-3. Mountin
g
Location
The stress like bendin
g
stress of circuit board dividin
g
after mountin
g
, may cause LED packa
g
e crack
or dama
g
e of LED internal
j
unction, therefore,
p
lease concern the mountin
g
direction and
p
osition
to avoid bendin
g
or screwin
g
with
g
reat stress of the circuit board.
adhere to top cover tape. Therefore, the ma
g
net should be set on parts feeder cassette of
・For our product that has no solder resist, because of its solder amount and solderin
g
conditions,
 one of its specific characteristics is that solder will penetrate into LED. Thus, there's hi
g
h possibility
that will influence its reliability.Therefore, please be informed, concernin
g
it before usin
g
it.
directly on the sealin
g
section.
4-2-2. Mini Packa
g
e (Smaller than 1608 size)
・Vibration may result in low mountin
g
rate since it will cause the static electricity of product and
[SML-D22x series]
shift (within 3℃/sec. of temperature
g
radient) durin
g
the flow solderin
g
of surroundin
g
parts.
4-1. Solderin
g
4.Mountin
g
・No resin hardenin
g
a
g
ent such as filler is used in the sealin
g
resin of the product. Therefore, resin
expansion and moisture absorption at humidity will cause heat stress durin
g
solderin
g
process and
finally has bad influence on the productʼs reliability.
・The product is not
g
uaranteed for flow solderin
g
.
・Do not expose the product in the environment of hi
g
h temperature (over 100℃) or rapid temperature
4-2. Automatic Mountin
g
4-2-1. Silicon Resin Sealin
g
Product
The sealin
g
resin of LED is very soft, so please select adsorption nozzle that would not apply stress
4―4. Mechanical Stress after Mountin
g
The mechanical stress may dama
g
e the LED after Circuit Mountin
g
,
4-5.Solderin
g
Pattern for Recommendation
2.4
1.0
0.7
0.2
Mask open area ratio : 80%
Mask thickness : 100μm
Referenc
(Unit : mm)
________________________________________________________
www.rohm.co.jp
©2017 ROHM Co., Ltd. All rights reserved
8/9
2017.11 - Rev.003
    
[Data Sheet]
Solvent We recommend to use alcohols solvent such as, isopropyl alcohols
Temperature Under 30℃ within 3 minutes
Heatin
g
on PCB pattern, not direct to the
b)
Handlin
g
after
soldering
Please handle after the part temp.
g
oes down to room temp.
4-8.Cleanin
g
after Solderin
g
Please follow the conditions below if the cleanin
g
is necessary after solderin
g
.
4-7.Attention Points in Solderin
g
Operation
This product was developed as a surface mount LED especially suitable for reflow solderin
g
.
So reflow solderin
g
is recommended. In case of implementin
g
manual solderin
g
,
please take care of followin
g
points.
①SOLDER USED
T
P
Peak temperature
260℃(Max)
t
P
Time for peak temperature
Within 10sec.
LED. (Fi
g
-1)
Sn-Cu,Sn-A
g
-Cu,Sn-A
g
-Bi-Cu
②HAND SOLDERING CONDITION
LED products do not contain reinforcement material such as a
g
lass fillers.
RECOMMENDED CONDITION
Condition ) Temp. of iron top less than
400℃ within 3 sec.
ΔT
R
/
Δt
Temperature rising rate
Under 3℃/sec.
ΔT
D
/
Δt
Temperature decreasing rate
Over -3℃/sec.
※Above conditions are for reference. Therefore, evaluate by customerʼs own circuit boards and
reflow furnaces before usin
g
, because stress from circuit boards and temperature variations of reflow
Reference temperature
230〜260℃
t
L
Retention time for TL
Within 40sec.
[SML-D22x series]
4-6.Reflow Profile
For reflow profile, please refer to the conditions below:(※)
■Meanin
g
of marks, Conditions
Mar
k
Meanings Conditions
Minimum of pre-heating temperature
140℃
t
s
Time from Tsmin to Tsmax
Over 60sec.
T
L
Ultrasonic Cleanin
g
15W/Below 1 liter (capacity of tank)
Dryin
g
Under 100℃ within 3 minutes
furnaces vary by customerʼs own conditions.
So thermal stress by solderin
g
g
reatly influence its reliability.
Please keep followin
g
points for manual solderin
g
.
ITEM
a) Heating method
Ts
max
Maximum of pre-heating temperature
180℃
Ts
min
Fig-1
SOLDERING IRON
SOLDERING LAND
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©2017 ROHM Co., Ltd. All rights reserved
9/9
2017.11 - Rev.003

SML-D22MUWT86

Mfr. #:
Manufacturer:
ROHM Semiconductor
Description:
Standard LEDs - SMD Red/YelGrn 620/570nm 16/10mcd 65/67mW 5mA
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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