
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 
(values are not yet fixed) 
Concentration Limit per RoHS 
Concentration contained 
in CEL devices 
-A 
Not Detected 
-AZ 
(*) 
Lead (Pb) 
< 1000 PPM 
Mercury 
< 1000 PPM 
Not Detected 
Cadmium 
< 100 PPM 
Not Detected 
Hexavalent Chromium 
< 1000 PPM 
Not Detected 
PBB 
< 1000 PPM 
Not Detected 
PBDE 
< 1000 PPM 
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.