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PDF NX8508 Data sheet ( Hoja de datos )
| Número de pieza | NX8508 | |
| Descripción | InGaAsP MQW-DFB LASER MODULE | |
| Fabricantes | CEL | |
| Logotipo |  |
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PRELIMINARY DATA SHEET
NEC's InGaAsP
MQW-DFB LASER MODULE
IN COAXIAL PACKAGE FOR
2.5 Gb/s, CWDM APPLICATIONS
NX8508
Series
FEATURES
• INTERNAL OPTICAL ISOLATOR
• PEAK EMISSION WAVELENGTH
λp = 1 470 to 1 610 nm (Based on CWDM)
• OPTICAL OUTPUT POWER
Pf = 2.0 mW
• OPERATING CASE TEMPERATURE RANGE
TC = -20 to +85°C
• SIDE MODE SUPPRESSION RATIO
SMSR = 40 dB
• InGaAs MONITOR PIN-PD
• WITH SC-UPC CONNECTOR
• BASED ON TELCORDIA RELIABILITY
DESCRIPTION
NEC'S NX8508 Series are 1 470 to 1 610 nm Multiple Quantum
Well (MQW) structured Distributed Feed-Back (DFB) laser
diode coaxial modules with an internal optical isolator.
These devices are ideal for 2.5 Gb/s CWDM application.
ELECTRO-OPTICAL CHARACTERISTICS (TC = -20 to +85°C, unless otherwise specified)
PART NUMBER
NX8508 SERIES
SYMBOLS
Pf
Vop
Ith
PARAMETER AND CONDITIONS
Optical Output Power from Fiber, CW, TC = 25°C, IF = Ith + 20 mA
Operating Voltage, CW, Pf = 2.0 mW
Threshold Current, TC = 25°C
Pth
ηd
Δηd
λp
Δλ/ΔT
SMSR
tr
Threshold Output Power, IF = Ith
Differential Efficiency
Pf = 2.0 mW, TC = 25°C
Pf = 2.0 mW
Temperature Dependence of Differential Efficiency
Δηd = 10 log
ηd (@ TC°C)
ηd (@ 25°C)
Peak Emission Wavelength, CW, Pf = 2.0 mW, TC = 25°C
Temperature Dependence of Peak Emission Wavelength, CW
Side Mode Suppression Ratio, Pf = 2.0 mW
Rise Time, 20-80%, Pf = 2.0 mW
Continued on next page
UNIT
mW
V
mA
MIN.
TYP.
2.0
1.1
10
μW
W/A 0.07
0.1
0.04
dB −3.0 −1.6
nm
nm/°C
dB
ps
λp−2
0.08
30
λp *1
0.10
40
MAX.
1.6
20
50
100
λp+2
0.12
100
California Eastern Laboratories
1 page  
4590 Patrick Henry Drive
Santa Clara, CA 95054-1817
Telephone: (408) 919-2500
Facsimile: (408) 988-0279
Subject: Compliance with EU Directives
CEL certifies, to its knowledge, that semiconductor and laser products detailed below are compliant
with the requirements of European Union (EU) Directive 2002/95/EC Restriction on Use of Hazardous
Substances in electrical and electronic equipment (RoHS) and the requirements of EU Directive
2003/11/EC Restriction on Penta and Octa BDE.
CEL Pb-free products have the same base part number with a suffix added. The suffix –A indicates
that the device is Pb-free. The –AZ suffix is used to designate devices containing Pb which are
exempted from the requirement of RoHS directive (*). In all cases the devices have Pb-free terminals.
All devices with these suffixes meet the requirements of the RoHS directive.
This status is based on CEL’s understanding of the EU Directives and knowledge of the materials that
go into its products as of the date of disclosure of this information.
Restricted Substance
per RoHS
Lead (Pb)
Mercury
Cadmium
Hexavalent Chromium
PBB
PBDE
Concentration Limit per RoHS
(values are not yet fixed)
< 1000 PPM
< 1000 PPM
< 100 PPM
< 1000 PPM
< 1000 PPM
< 1000 PPM
Concentration contained
in CEL devices
-A
Not Detected
-AZ
(*)
Not Detected
Not Detected
Not Detected
Not Detected
Not Detected
If you should have any additional questions regarding our devices and compliance to environmental
standards, please do not hesitate to contact your local representative.
Important Information and Disclaimer: Information provided by CEL on its website or in other communications concerting the substance
content of its products represents knowledge and belief as of the date that it is provided. CEL bases its knowledge and belief on information
provided by third parties and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better
integrate information from third parties. CEL has taken and continues to take reasonable steps to provide representative and accurate
information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. CEL and CEL
suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for
release.
In no event shall CEL’s liability arising out of such information exceed the total purchase price of the CEL part(s) at issue sold by CEL to
customer on an annual basis.
See CEL Terms and Conditions for additional clarification of warranties and liability.
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet NX8508.PDF ] | |
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