ELJ-670-629
TECHNICAL DATA
High Power LED, Jumbo Package
AlGaAs
ELJ-670-629 is high power LED in an black anodised aluminium case, with thread socket for easy
handling and heat sink mounting.
It is designed for medical appliances, illumination, remote control and optical communications, light
barriers, measurement systems, etc.
Specifications
•
•
•
•
Technology: AlGaAs, 1 power LED chip
Peak Wavelength: typ. 670 nm
Optical Ouput Power: typ. 30 mW
Package: Jumbo, metal case with plastic lens
Outline:
Absolute Maximum Ratings (T
C
=25°C)
Item
Power Dissipation
Forward Current
Pulse Forward Current *
Operating Temperature
Storage Temperature
Junction Temperature
on heat sink (S ≥ 200 cm²)
* pulse width ≤ 10µs, f ≤ 500 Hz
Symbol
P
D
I
F
I
FP
T
opr
T
stg
T
j
Value
3
1.0
1.8
-25 … +100
-25 … +100
100
Unit
W
A
A
°C
°C
°C
H = 12.4 mm (± 0.5)
D = 16 mm (± 0.5)
Thread M10x1.5
PIN
1
2
Function
LED Cathode
LED Anode
(Unit: mm)
Specifications (T
C
=20°C)
Item
Optical Specifications
Radiant Power
Radiant Power *
Radiant Intensity
Radiant Intensity *
Peak Wavelength
Spectral Bandwidth at 50%
Viewing Angle
Electrical Specifications
Forward Voltage
Forward Voltage *
Switching Time
Reverse Voltage
Thermal Resistance
Junction-Case
Test
Condition
I
F
= 350 mA
I
F
= 1000 mA
I
F
= 350 mA
I
F
= 1000 mA
I
F
= 350 mA
I
F
= 350 mA
I
F
= 350 mA
I
F
= 350 mA
I
F
= 1000 mA
I
F
= 350 mA
I
R
= 10 µA
Symbol
Φ
e
Φ
e
I
e
I
e
λ
p
Δλ
0.5
φ
U
F
U
F
t
r
, t
f
U
R
R
thJC
Min.
20
55
220
-
660
-
-
-
-
-
5
-
Typ.
30
80
320
800
670
24
15
2.0
2.5
55
-
10
Max.
-
-
-
-
680
-
-
2.5
3.0
-
-
-
Unit
mW
mW
mW/sr
mW/sr
nm
nm
deg
V
V
ns
K/W
* only recommended on optimal heat sink
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ELJ-670-629
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Remarks concerning optical radiation safety*
At low forward current (<150 mA), and continuous operation, this LED may be classified as LED
product
Class 2,
according to standard IEC 60825-1:A2.
Class 2
products emit in the visible region,
damaging exposure is usually prevented through avert reactions including blink reflex. It can be
expected that these reactions provide sufficient protection under reasonably predictable conditions.
This also implicates a direct observation of the light beam by means of optical instruments.
If intended to operate at higher current, this product should be classified as LED product
Class 2M,
according to standard IEC 60825-1:A2.
Class 2M
products are safe to eyes and skin under normal
conditions, including when users view the light beam directly. These products emit in the visible
region and it is presumed that the human blink reflex will be sufficient to prevent damaging
exposure, but if the beam is focused down, damaging levels of radiation may be reached.
Therefore, users should not incorporate optics that could concentrate the output into the eyes.
*Note: Safety classification of an optical component mainly depends on the intended application
and the way the component is being used. Furthermore, all statements made to classification are
based on calculations and are only valid for this LED “as it is”, and at continuous operation. Using
pulsed current or altering the light beam with additional optics may lead to different safety
classifications. Therefore these remarks should be taken as recommendation and guideline only.
Notes
•
The mentioned specifications are for reference purpose only and subjected to change without
prior notice.
•
All measurements carried out on blank aluminium heat sink, S = 180 cm², passive cooling.
Measurement results and curve characteristics obtained with other heat sinks may differ.
•
Do not view directly into the emitting area of the LED during operation!
•
This high power LED must be cooled!
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Handling precautions
To prevent damage to the LED during soldering and assembly, following precautions have to be
taken into account.
a) The bending point of the lead frame should b) While bending, the base of the lead frame has
be located at least 2.5 mm away from the to be fixed with radio pliers or similar.
body.
c) To ensure an adequate strain relief, the d) Avoid any torsion or tensile loading of the lead
lead frames have to be firmly fixed during frames, especially when they have been heated
soldering.
after being soldered.
e) LEDs are static sensitive devices, so
adequate handling precautions have to be
taken, e.g. wearing grounding wrist straps.
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