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LTL2V3SRK Datasheet(PDF) 7 Page - Lite-On Technology Corporation

Part No. LTL2V3SRK
Description  Property of Lite-On Only
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Maker  LITEON [Lite-On Technology Corporation]
Homepage  http://www.liteon.com.tw/databook/default.htm
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LTL2V3SRK Datasheet(HTML) 7 Page - Lite-On Technology Corporation

   
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
6. Drive Method
An LED is a current-operated device. In order to ensure intensity uniformity on multiple LEDs
connected in parallel in an application, it is recommended that a current limiting resistor be
incorporated in the drive circuit, in series with each LED as shown in Circuit A below.
Circuit model A
Circuit model B
LED
LED
(A) Recommended circuit
(B) The brightness of each LED might appear different due to the differences in the I-V characteristics
of those LEDs
7. ESD (Electrostatic Discharge)
Static Electricity or power surge will damage the LED.
Suggestions to prevent ESD damage:
Use a conductive wrist band or anti- electrostatic glove when handling these LEDs
All devices, equipment, and machinery must be properly grounded
Work tables, storage racks, etc. should be properly grounded
Use ion blower to neutralize the static charge which might have built up on surface of the LEDs
plastic lens as a result of friction between LEDs during storage and handing
ESD-damaged Leeds will exhibit abnormal characteristics such as high reverse leakage current, low
forward voltage, or “no light up” at low currents. To verify for ESD damage, check for “light up” and
Vf of the suspect LEDs at low currents.
The Vf of “good” LEDs should be >2.0V@0.1mA for InGaN product and >1.4V@0.1mA for AlInGaP product.
Part No. : LTL2V3SRK
Page :
7
of
9
BNS-OD-C131/A4
Chip ESD level
Machine Model
Human Body Model
InGaN / Sapphire
100 V
300 V
AlInGaP
200 V
500 V
InGaN / SiC
600 V
1000 V


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