LT340Z 概述
GREEN OVAL LAMP LED 绿色椭圆LED灯
LT340Z 数据手册
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PDF下载Specification
LT770D
SSC
Customer
Drawn
Approval
Approval
Rev. 00
December 2007
www.ZLED.com
<080924> Rev. 0.2
Document No. : SSC-QP-7-07-24 (Rev.00)
Contents
1. Features
2. Absolute Maximum Ratings
3. Electric-Optical Characteristics
4. Reliability Tests
5. Characteristic Diagrams
6. Color & Binning
7. Outline Dimensions
8. Packing
9. Soldering
10. Precaution for use
Rev. 00
December 2007
www.ZLED.com
<080924> Rev. 0.2
Document No. : SSC-QP-7-07-24 (Rev.00)
LT770D
LT770D
Description
Features
• Non-standoff leads
• 5mm type package
• Color Diffused
epoxy lens
• Viewing angle
: 70/40 º
Lamp LEDs are effective in hot thermal
and humid condition. This high brightness
and weather-resistant packaging design
makes these Lamp LEDs ideal for
Outdoor applications such as traffic
signals, variable message signs and
backlighting for transparent sign panels.
• Dominant Wavelength
:525nm
Applications
• Electronic signs
and signals
• Specialty lighting
• Small area illumination
• Backlighting
• Other outdoor displays
Rev. 00
December 2007
www.ZLED.com
<080924> Rev. 0.2
Document No. : SSC-QP-7-07-24 (Rev.00)
2. Absolute Maximum Ratings ( Ta = 25ºC )
Item
Symbol
Value
Unit
DC Forward Current
Forward Peak Pulse Current
Reverse Voltage
IF
30
mA
mA
V
[1]
IFP
100
VR
PD
5
125
Power Dissipation
mW
ºC
Operating Temperature
Storage Temperature
Solder Temperature
Topr
Tstg
Ts
-30 ~ 85
-40 ~ 100
260ºC for 10seconds [2]
ºC
ºC
Notes :
[1] t ≤ 0.1ms, D = 1/10
[2] No lower than 3mm from the base of the epoxy bulb.
3. Electro-Optical Characteristics ( Ta = 25ºC, IF=20mA )
Value
Item
Symbol
Unit
Min.
Typ.
Max.
[4]
Luminous Intensity [3]
Dominant Wavelength[5]
Forward Voltage [6]
IV
700
519
-
1300
525
3.6
2000
536
4.0
mcd
nm
V
λd
VF
View Angle
2θ
70 / 40
-
deg.
µA
½
Reverse Current (at VR = 5V)
IR
-
5
Notes :
[3] SSC maintains a tolerance of ±10% on intensity and power measurements.
[4] IV is the luminous intensity output as measured with a cylinder.
[5] Dominant wavelength is derived from the CIE 1931 Chromaticity diagram.
A tolerance of ±0.5nm for dominant wavelength.
[6] A tolerance of ±0.05V on forward voltage measurements
Rev. 00
December 2007
www.ZLED.com
<080924> Rev. 0.2
Document No. : SSC-QP-7-07-24 (Rev.00)
4. Reliability Tests
Item
Condition
Note
Failures
0/22
Life Test
Ta = RT, IF = 30mA
Ta = 85ºC, IF = 8mA
Ta = -30ºC, IF = 20mA
1000hrs
1000hrs
1000hrs
High Temperature Operating
Low Temperature Operating
Thermal Shock
0/22
0/22
Ta = -40ºC (30min) ~ 100º (30min)
100
0/40
(Transfer time : 10sec, 1Cycle = 1hr)
cycles
Resistance to soldering Heat
Ts = 255 ± 5ºC, t = 10sec
1kV, 1.5kΩ ; 100pF
1 time
1 time
0/22
ESD
0/22
(Human Body Model)
High Temperature Storage
Low Temperature Storage
Ta = 100ºC
Ta = -40ºC
1000hrs
1000hrs
1000hrs
0/22
0/22
0/22
Temperature Humidity
Storage
Ta = 85ºC, RH = 85%
Temperature Humidity
Operating
Ta = 85ºC, RH = 85%, IF = 8mA
100hrs
0/22
< Judging Criteria For Reliability Tests >
VF
IR
USL[1] X 1.2
USL X 2.0
LSL [2] X 0.5
ФV
Notes :
[1] USL : Upper Standard Level
[2] LSL : Lower Standard Level.
Rev. 00
December 2007
www.ZLED.com
<080924> Rev. 0.2
Document No. : SSC-QP-7-07-24 (Rev.00)
5. Characteristic Diagrams
Ta= 25ºC
Ta= 25ºC
2.5
2.0
1.5
1.0
0.5
0.0
50
40
30
20
10
0
0
10
20
30
40
50
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Forward Current [mA]
Forward Voltage [V]
Forward Voltage vs. Forward Current
Forward Current vs. Relative Intensity
Ta= 25ºC, IF= 20mA
1.0
0.8
0.6
0.4
0.2
0.0
40
X
Y
30
20
10
0
-40
-20
0
20
40
60
80
100
-90
-60
-30
0
30
60
90
Ambient Temperature Ta[oC]
Off Axis Angle [deg.]
Ambient Temperature
vs. Maximum Forward Current
Directivity
Rev. 00
December 2007
www.ZLED.com
<080924> Rev. 0.2
Document No. : SSC-QP-7-07-24 (Rev.00)
6. Color & Binning
Bin Code
Luminous
Dominant
Forward Voltage
2
Intensity
S
Wavelength
1
Luminous Intensity (mcd)
Dominant Wavelength (nm)
Forward Voltage (V)
@ IF = 20mA
@ IF = 20mA
@ IF = 20mA
Bin
Code
Bin
Code
Bin
Code
Min.
Max.
Min.
Max.
Min.
Max.
S
T
700
1300
2000
1
2
1
2
3.0
3.5
3.5
4.0
519
527
527
536
1300
Available ranks
Rev. 00
December 2007
www.ZLED.com
<080924> Rev. 0.2
Document No. : SSC-QP-7-07-24 (Rev.00)
7. Outline Dimensions
Unit : mm
1.0
DETAIL
0.5 ± 0.05
2.0 ± 0.2
1.0 MAX
y
ANODE
x
1.0MIN
5.8±0.10
7.00±0.10
28.0 MIN
Notes : Protruded epoxy is 1.0mm maximum.
Rev. 00
December 2007
www.ZLED.com
<080924> Rev. 0.2
Document No. : SSC-QP-7-07-24 (Rev.00)
8. Packing
Unit : mm
* Antistatic poly bag
(500pcs max/bag)
Inner box
(1bag max/box)
170
* Cardboard box
(35000pcs max/box)
(70boxes max/box)
480
Rev. 00
December 2007
www.ZLED.com
<080924> Rev. 0.2
Document No. : SSC-QP-7-07-24 (Rev.00)
9. Soldering Profile
1) Wave Soldering Conditions / Profile
• Preliminary heating to be at 85ºC(120 ºC max) for 20 seconds(60 seconds max).
• Soldering heat to be at 255 ºC (260ºC max) for 10 seconds
• Soak time above 200 ºC is 5 seconds
3 0 0
PEAK
10s
2 5 0
2 0 0
1 5 0
1 0 0
5 0
255 ºC (260 ºC max)
PREHEAT
20s (60s Max)
85 ºC(120 ºC max)
0
0
2
4
6
8
1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 3 0 3 2 3 4 3 6
T im e [s ]
2) Hand Soldering conditions
• Not more than 3 seconds at max. 350ºC, under Soldering iron.
3) Caution
• Lead frames are silver plated copper alloy. This substance has a low thermal coefficient
(easily conducts heat)
• The LEDs must not be repositioned after soldering.
• Do not apply any stress to the lead particularly when heat.
Note : In case the soldered products are reused in soldering process, we don’t guarantee the products.
Rev. 00
December 2007
www.ZLED.com
<080924> Rev. 0.2
Document No. : SSC-QP-7-07-24 (Rev.00)
10. Precaution for Use
1) Storage
• Before opening the package
Avoid the absorption of moisture, we recommended to store Lamp LEDs in a dry
box(or desiccators) with a desiccant . Otherwise, store them in the following environment:
Temperature : 5℃~30℃ Humidity : 50% max.
• After opening the package
a. Soldering should be done right after opening the package(within 24Hrs).
b. Keeping of a fraction
- Sealing
- Temperature : 5 ~ 40℃, Humidity : less than 30%
c. If the package has been opened more than 1week or the color of desiccant changes,
Components should be dried for 10-12hr at 60±5℃
• Any mechanical force or any excess vibration shall not be accepted to apply during cooling
process to normal temp. after soldering.
• Avoid quick cooling
• Leadframes are silver plated SPCC. The silver plate surface may be affected by
environments which contains corrosive substances. Please avoid conditions which may cause
the LEDs to corrode, tarnish or discolor.
2) Lead Forming
• When the lead forming is required before soldering , care must be taken to avoid any bending
and mechanical stress. The stress to the base may damage the LEDs.
• When mounting the LEDs onto a PCB, the holes on the circuit board should be exactly
aligned with the leads of the LEDs.
• It is recommended that tooling made to precisely form and cut the leads to length rather than
rely on hand operating.
Rev. 00
December 2007
www.ZLED.com
<080924> Rev. 0.2
Document No. : SSC-QP-7-07-24 (Rev.00)
3) Static Electricity
• Static Electricity and surge voltage damage the LEDs. So it is recommended that a wrist
band or an anti-electrostatic glove be used when handling the LEDs.
• All devices, equipment and machinery must be properly grounded.
It is recommended precautions be taken against surge voltage to the equipment that mounts
the LEDs.
4) Heat Generation
• Thermal is one of the important parameter to design the end product. Please consider the heat
generation of the LEDs.
• The operating current should be decided after considering the ambient maximum temperature
of LEDs.
5) Others
• The color of the LEDs is changed a little by an operating current and thermal.
• Anti radioactive ray design is not considered for the products listed here in.
• Gallium arsenide is used in some of the products listed in this publication. These products
are dangerous if they are burned or smashed in the process of disposal. It is also dangerous
to drink the liquid or inhale the gas generated by such products when chemically disposed.
• This device should not be used in any type of fluid such as water, oil, organic solvent and etc.
When washing is required, IPA(Isopropyl Alcohol) should be used.
• When the LEDs are illuminating, operating current should be decided after considering the
junction temperature.
Cf.) Please refer Ambient temperature vs. Forward Current graph on page 5
• The appearance and specifications of the product may be modified for improvement without
notice.
SEOUL SEMICONDUCTOR CO., LTD.
148-29, Kasan-Dong, Keumchun-Gu, Seoul, Korea
TEL : +82-2-3281-6269
FAX :+82-2-857-5430
www.seoulsemicon.com www.zled.com
Rev. 00
December 2007
www.ZLED.com
<080924> Rev. 0.2
Document No. : SSC-QP-7-07-24 (Rev.00)
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