TRANSFORMERS for
ISDN "S" & "U" Interface Applications

Product Line
Description
"S"-Interface Transformers
Single (One Transformer per package) 6 Pin thru hole or SM. Lowest Cost!
Additional Single ISDN-S Interface Transformers Not listed in catalog sheet above.
T-11601 6 Pin thru hole, 1 : 2CT. General Purpose
64 KBps Interface Transformer
T-11602 6 Pin thru hole, 1CT : 1. General Purpose
64 KBps Interface Transformer
T-995 1CT : 2CT. Reinforced Insulation
Circular Style Package
Single ISDN S-Interface EP Style
Single ISDN S-Interface RM Style
Dual Transformers (Thru hole) 16 Pin thru hole. 2000 VRMS and 4000 VRMS isolation
Dual Transformers (Surface Mount) 16 Pin SM. 2000 VRMS and 4000 VRMS isolation
Dual Low Profile (Surface Mount) Same as our standard 16 Pin surface mount with lower 
height. "0.290 max! Part number familiy T-183XX.
"U"-Interface Transformers
Single ISDN U-Interface Transformers Pot core style. Thru hole or SM
Single ISDN U-Interface Transformers RM style. Thru hole only
Additional Single ISDN-U Interface Transformers Not listed in catalog sheets above.
T-1150 1.6 : 1 Turns Ratio. RM Style. Surface Mount!
T-1026 1 : 0.8 : 0.8 Turns Ratio. RM Style.
T-1027 Low Profile version of the T-1026
T-1028 1 : 1 : 1.6 : 1.6 Turns Ratio. RM Style. Surface Mount!
T-1048 Thru Hole, Pot Core.  135W : 60W
T-1053 EFD 15 version of the T-1048
T-1049 Thru Hole, Pot Core.  135W : 78W
T-1054 EFD 15 version of the T-1049
T-1269 EP17. Midcom 674-6257
Filters and Common Mode Chokes for ISDN applications
F-134 ISDN "U" Interface Filter. Low Profile.
F-1421 ISDN Interface Filter. Surface Mount.
F-1450 & F-1451 ISDN High Frequency . Common Mode Chokes.
1 Coil, 4 Data Lines
F-1452 ISDN High Frequency . Common Mode Chokes.
1 Coil, 4 Data Lines

These Data Sheets are in Adobe Acrobat Format.

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