Transformers for 78kbps Twisted Pair Applications:

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Part Number           Primary Inductance          Turns Ratio          Mounting Style

0505-0542G             47 mH                        1 ct : 2 ct                 Thru-hole

0505-0642                47 mH                        1 ct : 2 ct                 SMT

0505-0661                 47 mH                        1 split : 2 split        Thru-hole

0505-0662                47 mH                        1 split : 2 split         SMT

0505-0703G             47 mH                        1 split : 2 split         SMT

0505-0806                47 mH                       1 split : 1 split           SMT

Transformer Types

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Part Number     Primary Inductance          Turns Ratio     UL 1950 Reinforced?     Temp. Range    

0505-0569G             1.45 mH                                        1 : 1                            Yes                 0—85°C

0505-0615                 2.60 mH                                        1 : 1                            Yes                 0—85°C

0505-0649               5.80 mH                                       2 : 1                              No                 0—85°C

0505-0660                1.45 mH                                        1 : 1                             Yes                0—85°C

0505-0666                1.50 mH                                       2 : 1                              No              40—85°C

0505-0669                1.50 mH                                        1 : 1                            Yes              40—85°C

0505-0671                  1.00 mH                                        1 : 1                            Yes                 0—85°C

0505-0679               4.00 mH                                        1 : 1                              No              40—85°C

0505-0817                  1.50 mH                                      2 : 1                            Yes               40—85°C

0505-0821                 1.45 mH                                        1 : 1                             Yes             20—85°C

0505-0969                1.80 mH min                             1 : 1                              No              40—85°C