Exhibit 8



Principal subsidiaries

at September
30, 2004 (data to US GAAP)



|                                                             |  |                          |   |  |                             |   |  |                   
|------------------------------------------------------------ |  | ------------------------ | - |  | --------------------------- | - |  | ------------------
|                                                             |  | Equitycapital  thousand |   |  | Earnings (Losses) thousand |   |  | Equityinterestin %
|Germany                                                      |  |                          |   |  |                             |   |  |                   
|                                                             |  |                          |  
|Ernst Herrmann Ingenieur AG & Co. KG, Berlin                 |  | 2,991                    |   |  | 1,863                       |   |  | 100               
|                                                             |  |                          |  
|Europe without Germany                                       |  |                          |   |  |                             |   |  |                   
|                                                             |  |                          |  
|EPCOS OHG, Deutschlandsberg, Austria                         |  | 62,271                   |   |  | (8,018                      | ) |  | 100               
|                                                             |  |                          |  
|EPCOS-Peças e Componentes Electrônicos S.A., Évora, Portugal |  | 63,235                   |   |  | 3,898                       |   |  | 100               
|                                                             |  |                          |  
|EPCOS Electronic Components S.A., Málaga, Spain              |  | 4,171                    |   |  | (7,462                      | ) |  | 100               
|                                                             |  |                          |  
|EPCOS s.r.o., umperk, Czech Republic                        |  | 10,011                   |   |  | 1,505                       |   |  | 100               
|                                                             |  |                          |  
|EPCOS SAS, Saint Denis, France                               |  | (8,280                   | ) |  | (7,074                      | ) |  | 100               
|                                                             |  |                          |  
|EPCOS Elektronikai Alkatrész Kft., Szombathely, Hungary      |  | 16,540                   |   |  | 3,373                       |   |  | 100               
|                                                             |  |                          |  
|EPCOS UK Ltd., Bracknell, United Kingdom                     |  | 1,900                    |   |  | 193                         |   |  | 100               
|                                                             |  |                          |  
|EPCOS Nordic AB, Kista, Sweden                               |  | 1,120                    |   |  | 461                         |   |  | 100               
|                                                             |  |                          |  
|EPCOS Nordic OY, Espoo (Helsinki), Finland                   |  | 521                      |   |  | 287                         |   |  | 100               
|                                                             |  |                          |  
|EPCOS Finance B.V., Amsterdam, Netherlands                   |  | 405                      |   |  | 61                          |   |  | 100               



---

|                                                     |  |                          |   |  |                             |   |  |                   
|---------------------------------------------------- |  | ------------------------ | - |  | --------------------------- | - |  | ------------------
|                                                     |  | Equitycapital  thousand |   |  | Earnings (Losses) thousand |   |  | Equityinterestin %
|Asia                                                 |  |                          |   |  |                             |   |  |                   
|EPCOS PTE LTD, Singapore                             |  | 125,233                  |   |  | 60,584                      |   |  | 100               
|                                                     |  |                          |  
|EPCOS (China) Investment Ltd., Shanghai, China       |  | 34,657                   |   |  | 310                         |   |  | 100               
|                                                     |  |                          |  
|EPCOS India Private Ltd., Nashik, India              |  | 5,586                    |   |  | (1,495                      | ) |  | 100               
|                                                     |  |                          |  
|EPCOS (Zhuhai FTZ) Co., Ltd., Zhuhai, China          |  | 11,622                   |   |  | 1,168                       |   |  | 100               
|                                                     |  |                          |  
|EPCOS (Wuxi) Co., Ltd., Wuxi, China                  |  | 17,484                   |   |  | 4,016                       |   |  | 100               
|                                                     |  |                          |  
|EPCOS (Xiaogan) Co., Ltd., Xiaogan, China            |  | 2,954                    |   |  | 928                         |   |  | 76                
|                                                     |  |                          |  
|EPCOS Ferrites Ltd., Calcutta, India                 |  | (6,343                   | ) |  | (5,754                      | ) |  | 100               
|                                                     |  |                          |  
|EPCOS KK, Yokohama, Japan                            |  | 1,493                    |   |  | 32                          |   |  | 100               
|                                                     |  |                          |  
|EPCOS (Zhuhai) Co., Ltd., Zhuhai, China              |  | 4,144                    |   |  | 1,097                       |   |  | 100               
|                                                     |  |                          |  
|EPCOS SDN. BHD., Johore Bahru, Malaysia              |  | 11,966                   |   |  | 7,744                       |   |  | 100               
|                                                     |  |                          |  
|EPCOS (Shanghai), Ltd., Shanghai, China              |  | 674                      |   |  | (1                          | ) |  | 100               
|                                                     |  |                          |  
|EPCOS Ltd., Hong Kong, China                         |  | 3,568                    |   |  | 333                         |   |  | 100               
|                                                     |  |                          |  
|Americas                                             |  |                          |   |  |                             |   |  |                   
|EPCOS do Brasil Ltda., Gravataí, Brazil              |  | 20,269                   |   |  | (178                        | ) |  | 100               
|                                                     |  |                          |  
|EPCOS Inc., Iselin, New Jersey, USA                  |  | 14,857                   |   |  | 435                         |   |  | 100               
|                                                     |  |                          |  
|Crystal Technology, Inc., Palo Alto, California, USA |  | 11,002                   |   |  | 1,503                       |   |  | 100