Components and Subsystems

CFS-2575 Series Adjustable Inductor

CFS 2575 is an adjustable inductor (clock extractor coil) for MITEL MH89760 device.

Typical applications are:

  • PBX or computer to T1/CEPT Digital Trunks.
  • High speed data link using T1/CEPT Digital Trunk.
  • TDM Multiplexers.
  • ISDN Primary Rate.
Features: 

The MH89760 has a built in clock extraction circuit, which creates a 1.544 MHz clock synchronized to the received DS1 signal. The free-running frequency of the oscillator is controlled by an external tunable inductor. The inductor should be tuned to provide a frequency of 1.544 MHz ± 200 Hz.

TFS-2574 Series Input Transformer

TFS-2574 is specifically designed for use as a Line Input Transformer in T1/CEPT applications.

It has been approved by MITEL for use with their MH89760 and MH89790 devices.

Also suitable as Input/Ouput transformer for other makes of T1/CEPT interface devices.

Typical applications are:

  • PBX or computer to T1/CEPT Digital Trunks.
  • High speed data link using T1/CEPT Digital Trunk.
  • TDM Multiplexers.
  • ISDN Primary Rate.
Features: 

TFS-2574 is available in five versions: - 0, -2, -3, -4 and -5 for 100, 120 and 75/120W line impedances.

TFS-2573 Series Output Transformer

TFS2573 is specifically designed for use as a Line Output Transformer in T1/DS1 applications.  It has been approved by MITEL for use with their MH89760 device.

Typical applications are:

  • PBX or computer to T1 Digital Trunks.
  • High speed data link using T1 Digital Trunk.
  • TDM Multiplexers.
Features: 

TFS2573 is available in 3 versions: - 0, -1 and -2 for 100, 75 and 120 Ohm line impedances respectively.

TPA-2273 Series Line Matching Transformer

TPA2273 is a 600/900W to 600W line matching transformer.

Applications: Interfacing 600W or 900W line to a 600W load at the subscriber premises.

Features: 
  • Small size.
  • Conforms to FCC part 68 and CS 03 regulations.
  • Low cost.

Inductors / Transformers / Magnetics

API produces a broad range of passive magnetic including transformers, inductors, chokes, coils and passive filters. These magnetic span from a 60 Hz plug-in to 400 Hz for aircraft and shipboard – all the way up to 100 Khz for switching power supplies and even RF for specialized military applications.

The company also manufacturers audio transformers (up to RF) which are designed to work in various broadband, telecom, datacom, and other signaling applications.

Inductors

API is a prime contractor of precision, tunable and tapped inductors.  These inductors include Miniature Drum Core units, Input/Output differential mode filters and Common Mode filter inductors.  API can provide customized versions of inductors where stability over a wide temperature range is of utmost importance, using specialized automatic temperature cycling equipment.

API’s Inductors Include:  Adjustable Inductors, Torodial (Input/Output Filter) Inductors, Switching Inductors, Common Mode Inductors, DC Reactors, Power Inductors, Filter Inductors, Chip Inductors, Miniature Drum Core Inductors, Multilayer Ceramic Chip Inductors, Thin Film Ceramic Chip Inductors, Wire Wound Ceramic Chip Inductor, and Coil Suppressor Assembly.

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TLA-0839 Series Hybrid Transformer

TLA 0839 is designed to be used in a “Single Coil” hybrid configuration.

Applications: Interfacing the Central Office to 900W 2-wire subscriber loop in a CODEC system where DC loop feed is required.

Features: 
  • Low loss.
  • High Return loss.
  • DC capability.

TLA-0814 Series Line Matching Transformer

TLA-0814 is a 1 : 1 line matching transformer.

Applications: Interfacing of Telecommunications equipment to telephone lines where DC loop current handling capability is required.

Features: 
  • Low cost.
  • Conforming to FCC part 68 and CS03 regulations.
  • Split primary and secondary windings.
  • DC capability.

CBP-1537 Series Cylindrical Coil Forms

High current R.F. chokes on cylindrical coil forms with axial leads.

Features: 
  • 1537 is ideally suited for filtering in Switch Mode Power Supplies.
  • Overall coil length, 1.25”.
  • Lead length, 1.5” long.
  • Shrink sleeve as outer cover for mechanical protection and electrical insulation.
  • Optimum frequency range, 10 KHZ to 2 MHz.
  • Other values are available upon request.

CBP-1536 Series Cylindrical Coil Forms

Heavy duty hash chokes on cylindrical coil forms with axial leads.

Features: 
  • Powered iron cores.
  • High inductance and high current.  
  • Varnish impregnated for moisture protection.
  • Can be supplied with proctective sleeving or encapsulant.
  • Lead length, 1.5”.
  • Dual chokes are also available.
  • Other values are available upon request.
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