The leaders in the production of telecommunication circuits use Epcos transformers listed in the table below in corresponding xDSL equipment. Transformers are applied in xDSL Lines for operating together with Analog Device, Infineon, Metalink anf others.
| IC | Inductance (mH) | Core's type | ICs type | Ordering code |
| xDSL Splitter transformer | 1 ... 10 | EP7 | B82803 | |
| ADSL Interface transformer | 1.444 | EP7 | PEF55008, PEF55016, PEF55208, PEF55218, PEF55602 | B78417A1698A003 |
| ADSL Interface transformer | 0,43 | EP7 | BCM6410, BCM6411, BCM6420, BCM6421, BCM6511 | B78417A1761A003 |
| ADSL Interface transformer | 0,1 | EP7 | BCM6410, BCM6411, BCM6420, BCM6421, BCM6511 | B78417A1762A003 |
| ADSL Interface transformer | 0,42 | EP7 | BCM6410, BCM6411, BCM6420, BCM6421, BCM6511 | B78417A1763A003 |
| ADSL Interface transformer | 0,1 | EP7 | BCM6410, BCM6411, BCM6420, BCM6421, BCM6511 | B78417A1764A003 |
| ADSL Interface transformer | 0,4 | EP7 | AC6 | B78417A1765A003 |
| ADSL Interface transformer | 1 | EPX7/9 | B78417A1939A003 | |
| ADSL Interface transformer | 0,44 | EP13 | G7000 DTM | B78421A6603A003 |
| ADSL Interface transformer, VDSL Interface transformer | 0,2 - 1,4 | EP13 | PEB 83000, PSB 80170, PSB50510 | |
| ADSL Interface transformer, VDSL Interface transformer | 0,082 - 0,42 | EP5XL | BCM6511, PEF 88102, PEF 88204, PEF 88208 | |
| ADSL Interface transformer, VDSL Interface transformer | 0,082 - 1,44 | EP7 | BCM6511 - PSB 80170 | |
| ADSL Interface transformer, VDSL Interface transformer | 0,082 - 1,44 | EPX5 | BCM6526 - PEF55602 | |
| ADSL Low pass filter | 20 | EP13 | PEF55008, PEF55016, PEF55208, PEF55218, PEF55602 | B78421A1639A003 |
| ADSL Low pass filter | 6,76 | EP7 | PEF55008, PEF55016, PEF55208, PEF55218, PEF55602 | B78417A1706A003 |
| ADSL Low pass filter | 2,83 | EP7 | PEF55008, PEF55016, PEF55208, PEF55218, PEF55602 | B78417A1744A003 |
| ADSL Low pass filter | 0,44 | EP7 | PEF55008, PEF55016, PEF55208, PEF55218, PEF55602 | B78417A1822A003 |
| ADSL Low pass filter | 6,79 | EP7 | PEF55008, PEF55016, PEF55208, PEF55218, PEF55602 | B78417A1838A003 |
| ADSL Low pass filter with PTC | 40761 | TP-Module | PEF55008, PEF55016, PEF55208, PEF55218, PEF55602 | |
| SHDSL Interface transformer | 3 | EP13 | PEF22622, PEF22623, PEF24622 | B78421A1801A003 |
| SHDSL Interface transformer | 3 | EP13 | PEF21624 - PEF24628 | B78421A1852A003 |
| SHDSL Interface transformer | 3 | EPX9/9/9 | PEF21624 - PEF24628 | B78418A1960A003 |
| SHDSL Interface transformer | 3 | EP13 | PEF21624 - PEF24628 | B78421P1853A003 |
| SHDSL Interface transformer | 3 | EPX9/9/9 | PEF21624 - PEF24628 | |
| VDSL Interface transformer | 0,22 | EP7 | CO2 | B78417A1860A003 |
| VDSL Interface transformer with 470µH data line choke | 0,47 | TC-Module | PEF 88102, PEF 88204, PEF 88208 |
