The Sun Certified Web Component Developer (SCWCD) Certification has been renamed as Oracle Certified Professional, Java EE 5 Web Component Developer Certification. However, this certification is no longer available as it has been replaced by newer Java EE certifications. The latest Oracle Certified Professional, Java EE Web Component Developer certification is available for Java EE 7 version.
Here's a link to the Oracle certification page for more information: https://education.oracle.com/oracle-certification-path/pFamily_48