Technical Data Sheet 6374/Y5DA-AKMB/X/MS
Everlight Electronics Co., Ltd. http\\:www.everlight.com Rev 1 Page: 1 of 6
Device Number : DLE-637-018 Prepared date:06-19-2006 Prepared by: Grace Shen
Features
․High luminous intensity output
․Oval Shape
․Well defined spatial radiation
․Wide viewing angle (2θ1/2) : 70o / 40 o
․UV resistant epoxy
․The product itself will remain within RoHS compliant version.
Descriptions
․This precision optical performance oval LED is specifically
designed for passenger information signs
․This lamp has matched radiation patterns with red
mixing dual color applications
․Superior performance in outdoor environment
Applications
․Color graphic signs
․Message boards
․Variable message signs (VMS)
․Commercial outdoor advertising
Device Selection Guide
LED Part No. Chip Material Emitted Color Lens Color Stopper
6374/Y5DA-AKMB/MS No
6374/Y5DA-AKMB/P/MS AlGaInP Super Yellow Yellow Diffused Yes
Technical Data Sheet 6374/Y5DA-AKMB/X/MS
Everlight Electronics Co., Ltd. http\\:www.everlight.com Rev 1 Page: 2 of 6
Device Number : DLE-637-018 Prepared date:06-19-2006 Prepared by: Grace Shen
Package Dimensions
Stopper Type No Stopper Type
Notes:
․Other dimensions are in millimeters, tolerance is 0.25mm except being specified.
․Protruded resin under flange is 1.5mm Max LED.
․Bare copper alloy is exposed at tie-bar portion after cutting.
Technical Data Sheet 6374/Y5DA-AKMB/X/MS
Everlight Electronics Co., Ltd. http\\:www.everlight.com Rev 1 Page: 3 of 6
Device Number : DLE-637-018 Prepared date:06-19-2006 Prepared by: Grace Shen
Absolute Maximum Rating (Ta=25℃)
Parameter Symbol Absolute Maximum Rating Unit
Forward Current IF 50 mA
Pulse Forward Current
(Duty1/10@ 1KHz) IFP 100 mA
Operating Temperature Topr -40 ~ +85 ℃
Storage Temperature Tstg -40 ~ +100 ℃
Soldering Temperature(Notes *1) Tsol * 260 ±5 ℃
Power Dissipation Pd 120 mW
Electrostatic Discharge ESD 2K V
Reverse Voltage VR 5 V
Notes: * Soldering time≦5 seconds.
Electro-Optical Characteristics (Ta=25℃)
Parameter Symbol Min. Typ. Max. Unit Condition
Luminous Intensity IV 1125 1425 2250 mcd
Viewing Angle 2θ1/2 -- X:70Y:40 -- deg
Peak Wavelength λp -- 591 --
Dominant Wavelength λd 586 589 594
Spectrum Half width Δλ -- 15 -- nm
Forward Voltage VF 1.8 2.0 2.6 V
IF=20mA
Reverse Current IR -- -- 10
μA VR=5V
Rank Combination (IF=20mA)
Rank K L M
Luminous Intensity 1125~1425 1425~1800 1800~2250
*Measurement Uncertainty of Luminous Intensity: ±15% Unit:mcd
Rank 1 2 3 4
Forward Voltage 1.8~2.0 2.0~2.2 2.2~2.4 2.4~2.6
*Measurement Uncertainty of Forward Voltage: ±0.1V Unit:V
Rank 1 2
Dominant Wavelength 586~590 590~594
*Measurement Uncertainty of Dominant Wavelength ±1.0nm Unit:nm
Technical Data Sheet 6374/Y5DA-AKMB/X/MS
Everlight Electronics Co., Ltd. http\\:www.everlight.com Rev 1 Page: 4 of 6
Device Number : DLE-637-018 Prepared date:06-19-2006 Prepared by: Grace Shen
Typical Electro-Optical Characteristics Curves
Technical Data Sheet 6374/Y5DA-AKMB/X/MS
Everlight Electronics Co., Ltd. http\\:www.everlight.com Rev 1 Page: 5 of 6
Device Number : DLE-637-018 Prepared date:06-19-2006 Prepared by: Grace Shen
Packing Quantity Specification
1.500PCS/1Bag，5Bags/1Box
2.10Boxes/1Carton
Label Form Specification CPN: Customer’s Production Number
P/N : Production Number
QTY: Packing Quantity
CAT: Ranks of Luminous Intensity and Forward Voltage
HUE: Ranks of Dominant Wavelength
REF: Reference
LOT No: Lot Number
MADE IN TAIWAN: Production Place
CPN:
P/N:
EVERLIGHT
6374/Y5DA-AKMB/X/MS
QTY：
MADE IN TAIWAN
CAT:
HUE:
REF:
LOT NO：
RoHS
Technical Data Sheet 6374/Y5DA-AKMB/X/MS
Everlight Electronics Co., Ltd. http\\:www.everlight.com Rev 1 Page: 6 of 6
Device Number : DLE-637-018 Prepared date:06-19-2006 Prepared by: Grace Shen
Notes
1. Above specification may be changed without notice. EVERLIGHT will reserve authority on
material change for above specification.
2. When using this product, please observe the absolute maximum ratings and the instructions for
using outlined in these specification sheets. EVERLIGHT assumes no responsibility for any
damage resulting from use of the product which does not comply with the absolute maximum
ratings and the instructions included in these specification sheets.
3. These specification sheets include materials protected under copyright of EVERLIGHT
corporation. Please don’t reproduce or cause anyone to reproduce them without EVERLIGHT’s
consent.
4. Soldering Condition
Careful attention should be paid during soldering. When soldering, leave more then 3mm
from solder joint to case, and soldering beyond the base of the tie bar is recommended.
Avoiding applying any stress to the lead frame while the LEDs are at high temperature
particularly when soldering.
Recommended soldering conditions:
Hand Soldering DIP Soldering
Temp. at tip of iron 400 Max.℃ (30W
Max.) Preheat temp. 100 Max.℃ (60 sec Max.)
Soldering time 3 sec Max. Bath temp. 265 Max.
Distance 3mm Min.(From solder
joint to case)
Bath time. 5 sec Max.
Distance 3mm Min.
EVERLIGHT ELECTRONICS CO., LTD. Tel: 886-2-2267-2000, 2267-9936
Office: No 25, Lane 76, Sec 3, Chung Yang Rd, Fax: 886-2267-6244, 2267-6189, 2267-6306
Tucheng, Taipei 236, Taiwan, R.O.C http:\\www.everlight.com
