Components and Subsystems

TEW-6038 Series Wide Band Isolation/Matching Transformer

TEW6038 is Wide Band Isolating Transformer.

Applications:

  • Galvanic ground/signal ground isolation of primary and secondary circuits, where required
  • High speed data transmission, in primary and basic rate applications
Features: 
  • Small size
  • Low cost
  • Through hole and SMD

TEW-6018 Series U-BUS Input/Output Transformer

TEW6018 is designed to interface with the subscribers premises (NT) and the 2- wire line side of the Central Office Equipment (LT) in the ISDN Network.

TEW6018 meet the electrical requirements for the MOTOROLA MC145572 device.

TEW6018-S is the SMD version.

Features: 
  • Low profile construction
  • Up to 50 mA line current
  • Meets the requirements of BS6301 for reinforced insulation, clearance and creepage distances between the line and the device side

TEW-5995 Series Input/Output Transformer

TEW5995 is a surface mount transformer,designed to comply with the requirements of an input/output transformer in the ISDN S-Bus Interface. TEW5995 complies with the requirements of CCITT I.430.

It has been designed and approved for the following devices:

TEW5995

  • AMD:  79C30A
  • Mitel :  MT8930A,- B, - C,  MT8931B, - C
  • National:  TP3420
  • Siemens:  PEB2080, PEB2081, PEB2085, PEB2086
  • Cologne:  HFC-SP


TEW5995-1

  • Intel:  29C53

TEW5995-2

  • Motorola:  MC145474, MC145475

TEW5995-3

  • Motorola:  MC145574
Features: 
  • Complies with the requirements of CCITT I.430
  • Meets requirements of ISDN S-Bus interface

TEA-5971 Line Matching Transformer

TEA5971 is a 1 : 1 line matching transformer that conforms to FCC part 68 and CS 03 regulations.

Applications:

  • Line matching in 600 ½ circuits where no loop current handling is required.
Features: 
  • Small size
  • Low cost
  • Balanced center tapped winding

TEW-5921 Input/Output Transformer

TEW5921 is designed to be used as a Transmit and Receive transformer in the ISDN primary rate access network with the following devices:

  • Siemens PEB2254
Features: 
  • Primary rate ISDN network nodes
  • PBX or computer to T1/CEPT Digital Trunks
  • TDM Multiplexers

TEW-5913 Input Transformer

TEW5913 is designed and approved to be used as a Receive Transformer in T1 and CEPT applications, with the following devices:

  • Dallas:  DS2187
  • PMC -Sierra:  PM4341 T1X,  PM6431 E1
  • AT&T:  T7290
  • Level -One:  LXT304A, 305A
Features: 
  • Wide temperature range
  • Primary rate ISDN network nodes
  • PBX or computer to T1/CEPT Digital Trunks
  • TDM Multiplexers

TEW-5912 Series Output Transformer

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
Features: 
  • Wide temperature range
  • Primary rate ISDN network nodes
  • PBX or computer to T1/CEPT Digital trunks
  • TDM Multiplexers

TEP-5844 DC/DC Converter Transformer

TEP5844 is designed and approved to be used as a power supply transformer with the Siliconix SI 9105 device.

TEP5844 meets the CCITT I.430 requirements with reference to various modes of operation.

Features: 
  • Compact size
  • Efficient
  • Reinforced insulation in accordance with IEC950, EN60950

TEW-5791 Input/Output Transformer

TEW5791 is designed to be as an input/output transformer in HSDL applications as described in Bellcore TA-NWT-001210.

Applications:

  • HDSL service.
  • High speed data transmission over twisted wire.
Features: 
  • Up to 160 mA loop current
  • Excellent Longitudinal Balance
  • Low distortion

TEW-5769 Input/Output Transformer

TEW5769 is designed to be used as an INPUT/OUTPUT transformer in the ISDN primary rate access network for the following devices:

  • Dallas: DS2151Q,  DS2153Q

TEW5769 exceeds the requirements of:

  • ITU G.703, ETS 300 011, BS6328 and ANSI T1.408.
Features: 
  • Primary rate ISDN network nodes
  • PBX or computer to T1/CEPT Digital Trunks.
  • TDM Multiplexers
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