Systems, Subsystems & Solutions

6641 Home Phoneline Module

The 6641 is designed and approved to work with Broadcom’s BCM 4210 over an extended temperature range.

  • Includes Common Mode Choke for EMI reduction
  • Robust construction allows for IR/VR Processes
  • 1500 Vrms Isolation
  • -40 °C to +85 °C temperature range

TEW-6575 Input/Output Transformer

TEW6575 is designed to be used as an input/output transformer in HDSL applications for use with Brooktree BT8973.


  • H D SL services
  • H i gh speed data transmission over twisted wire
  • Up to 160mA loop current
  • Low distortion
  • Excellent Longitudinal Balance

TEW-6197 Input/Output Transformer

The 4 wire interface between Subscriber Terminals and the Network Termination has been standardized by CCITT recommendation I.430. It uses a passive bus which provides separate receiver and transmit loops operating at 192 Kbits/s.

Two versions of TEW6197 have been designed and approved for use with the following devices:


  • Siemens:  PEB2080,  PEB2081,  PEB2085,  PEB2086
  • AMD:  Am79C30A

TEW6197- 4

  • Mitel:  MT8930A,  MT8930B,  MT8931B
  • Separate receiver and transmit loops
  • Low cost

TEW-6181 U-BUS Input/Output Transformer

TEW6181 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.

TEW681 meet the electrical requirements for the MOTOROLA MC145572 device.

  • Small size
  • Up to 5 mA line current

TTW-6176 Matching Transformer

The TTW6176 Quad transformer unit was designed to provide insulation of four twisted pairs in a Local Area Network.

It is based on the Ethernet data link protocol which uses baseband signaling at 10Mbps.

  • Ethernet data link protocol
  • Low cost

TEW-6175 Series U-BUS/DNIC Input/Output Transformer

TEW6175 is designed and approved for Mitel MT8972 and MT8971B/72B devices.


  • Digital subscriber lines.
  • High speed data transmission over twisted wire.
  • Digital PABX line cards and telephone sets.
  • Small size SMD & through hole
  • Low cost

TEW-6140 Bridging Transformer

TEW6140 is a 1 :1 high impedance transformer.


  • Bridging a telephone line with a a high impedance where a low briging loss is required.
  • Low profile
  • Conforming to FCC part 68 and CS 03 regulations
  • High inductance
  • Low bridging and insertion losses
  • Low cost

6110-6114 Series Input/Output Transformer

6110 series transformers are designed and approved for the following ISDN U-interface devices:


  • MC145572:  6110
  • MC145472:  6114


  • TP3410:  6112


  • SD 5411:  6111
  • Small package
  • Low cost

6102-1 Input/Output Transformer

6102-1 is designed to interface with the Motorola MC145422/26 UDLT (Universal Digital-Loop Transceivers).

The MC145422/26 UDLT’s are high-speed data transceivers that provide 80-kbps full-duplex data communications over 26 awg and larger twisted pair cable up to two kilometers in distance.

6102-1 is approved for the MC145422/26 UDLT chip set.

Contact us for a RoHS-compliant version or alternate versions.

  • Approved for the MC145422/26 UDLT chip set.
  • 80-kbps full-duplex data communications over 26 awg

6093 Power Line Filter 28VDC 250A

The 6093 was designed to reduce the ripple noise generated by the inverter circuit in generator sets.  This is just one of several custom line filter assemblies that have been designed for a variety of input voltages and currents up to 400A.

  • Small package
  • Low cost
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