www.DataSheet4U.com CEPT/T1 TEW5912 CEPT/T1 Output Transformer Output Transformer Surface Mount TEW5912 SMD-10 2-59 TEW5912 is is designed and approved to be used as a transmit transformer in T1/CEPT applications with the following devices: Crystal CS61535A, CS61574A CS61575, CS6158A Level-One LTX304A, LTX305A Typical applications are: Wide temperature range. Primary rate ISDN network nodes. PBX or computer to T1/CEPT Digital trunks. TDM M.