VL440-EMITTER

VL440-EMITTER
v 1.0 27.05.2014
Description
VL440-EMITTER is a InGaN based, High Power UV single chip LED with a typical peak wavelength of
440 nm and radiation of 400-500 mW. It comes in standard emitter package, containing SI Zener diode
for ESD protection, with Au soldering pins, Au plating copper heat sink, and molded with silicone resin.
Maximum Ratings
(TCASE=25°C)
Parameter
Values
Symbol
Min.
PD
IF
IFP
VF
TJ
Power Dissipation
Forward Current
1
Pulse Forward Current *
Reverse Voltage
Junction Temperature
Operating Temperature
Storage Temperature
2
Lead Solder Temperature *
TCASE
TSTG
TSLD
Unit
Max.
1300
350
500
5
125
+ 105
+ 120
+ 260
- 40
- 40
mW
mA
mA
V
°C
°C
°C
°C
1
* duty=1%, pulse width = 10 µs
2
* must be completed within 5 seconds
Electro-Optical Characteristics
Parameter
1
Peak Wavelength *
2
Forward Voltage *
3
Radiated Power *
Viewing Angle
(TCASE=25°C)
Symbol Conditions
λP
VF
PO
φ
IF=350mA
IF=350mA
IF=350mA
IF=100mA
Min.
Values
Typ.
435
3.0
400
Max.
445
4.0
500
140
Unit
nm
V
mW
deg.
1
* measurement allowance: ±1 nm
2
* measurement allowance: ±10%
3
* measurement allowance: ±0.1 V
Device Materials
Item
Foundation
Lens
Electrodes
Lead Frame *
Material
Plastic
Silicone Resin
Au
Au Plating Copper Alloy
* may be connected to Anode or Cathode
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Typical Performance Curves
Relative Spectral Emission
Outline Dimensions
VL EMITTER
lens
Note: the anode of the devise is denoted by a hole in the lead frame
All Dimensions in mm; Tolerance: ±0.2 mm
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Precautions
Soldering:
•
•
•
•
•
Do avoid overheating of the LED
Do avoid electrostatic discharge (ESD)
Do avoid mechanical stress, shock, and vibration
Do only use non-corrosive flux
Do not apply current to the LED until it has cooled down to room temperature after soldering
Recommended soldering conditions:
This LED is designed to be reflow soldered on to a PCB. If dip soldered or hand soldered, its
reliability cannot be guarantee.
Nitrogen reflow soldering is recommended. Air flow soldering conditions can cause optical
degradation, caused by heat and/or atmosphere.
IR Reflow Soldering Profile
(Lead-free Solder)
Recommended Soldering Patterns
Unit: mm
Above table specifies the maximum allowed duration and temperature during soldering. It is
strongly advised to perform soldering at the shortest time and lowest temperature possible.
Cleaning:
Cleaning with isopropyl alcohol, propanol, or ethyl alcohol is recommended
DO NOT USE acetone, chloroseen, trichloroethylene, or MKS
DO NOT USE ultrasonic cleaners
Static Electricity:
LEDs are sensitive to electrostatic discharge (ESD). Precautions against ESD must be taken
when handling or operating these LEDs. Surge voltage or electrostatic discharge can result in
complete failure of the device.
Radiation:
During operation these LEDs do emit high intensity UV light, which is hazardous to skin and
eyes, and may cause cancer. Do avoid exposure to the emitted light. Protective glasses are
recommended. It is further advised to attach a warning label on products/systems.
Operation:
Do only operate LEDs with a current source.
Running these LEDs from a voltage source will result in complete failure of the device.
Current of a LED is an exponential function of the voltage across it. Usage of current regulated
drive circuits is mandatory.
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The above specifications are for reference purpose only and subjected to change without prior notice
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