Telecom Transformers

Telecom transformers can serve a variety of roles. For example, they can function as isolation transformers, preparing the voltage before transmission across telecom cables or adjusting the voltage so that it is suitable for a low-voltage application inside the home.

What are telecom transformers used for?

The telecom transformer is one of the most common and vital components in any telecommunications system. Other types of equipment, such as resistors and capacitors, are sometimes used to achieve the same goals that a telecom transformer achieves. However, telecom transformers perform these tasks with a greater degree of efficiency and ease of use, and thus are more commonly used than their alternatives.

Types of telecom transformers

Telecom transformers are designed with different types of inductance, mounting styles and other specifications that dictate whether those devices will be appropriate for a given application or use in a given device.

They can be mounted in different ways. Some designs are surface mounted, while others are mounted through the holes in a breadboard.


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Omschrijving Prijs Primary Inductance Primary DC Resistance Secondary DC Resistance Insertion Loss Turns Ratio Mounting Type Leakage Inductance Dimensions Depth Length Width Maximum Operating Frequency Minimum Operating Frequency Construction
RS-stocknr. 210-6223
FabrikantnummerOEP1200D
FabrikantOEP
6,70 €
Each
Aantal stuks
4.15H 65Ω 65Ω 1.3dB 1:1 Through Hole 20mH 18 x 18 x 12.5mm 12.5mm 18mm 18mm 4kHz 300Hz -
RS-stocknr. 210-6318
FabrikantnummerPT4E
FabrikantOEP
5,72 €
Each
Aantal stuks
3mH 1.1Ω 0.9Ω - 1:1 Through Hole 19µH 15 x 15 x 16mm 16mm 15mm 15mm 1MHz 3kHz -
RS-stocknr. 544-2471
Fabrikantnummer78250C
2,27 €
Each
Aantal stuks
2mH - 1:1 Through Hole 3µH 9 x 10.19 x 6.35mm 6.35mm 9mm 10.19mm - - Enclosed
RS-stocknr. 173-6429
FabrikantnummerIT258
FabrikantSchaffner
8,06 €
Each
Aantal stuks
2.5mH - - - 1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS-stocknr. 170-4972
FabrikantnummerIT258
FabrikantSchaffner
5,433 €
Each (In a Box of 200)
Aantal stuks
2.5mH - - - 1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS-stocknr. 106-8570
Fabrikantnummer78250C
2,083 €
Each (In a Tube of 50)
Aantal stuks
2mH - 0.042361111111 Through Hole 3µH - - 9mm 10.19mm - - Enclosed
RS-stocknr. 196-375
FabrikantnummerPT6
FabrikantOEP
5,99 €
Each
Aantal stuks
3mH 1.1Ω 0.9Ω - 1:1 Through Hole 19µH 13 x 13 x 15mm 15mm 13mm 13mm 1MHz 3kHz -
RS-stocknr. 883-9092
FabrikantnummerIT155
FabrikantSchaffner
4,067 €
Each (In a Pack of 100)
Aantal stuks
5mH 1.2Ω 1.2Ω - 1:1 Through Hole 85µH - - 27mm 22.5mm 40 kHz, 500 (Data Transmission) kHz - Enclosed
RS-stocknr. 210-6245
FabrikantnummerZ1612E
FabrikantOEP
2,23 €
Each
Aantal stuks
- 68Ω 68Ω 1.5dB 1:1 Through Hole - 18 x 12.5 x 18mm 18mm 18mm 12.5mm - - -
RS-stocknr. 756-7507
Fabrikantnummer750311604
FabrikantWurth Elektronik
10,09 €
Each
Aantal stuks
8µH 0.03Ω 0.035Ω - 1:1 Surface Mount 400nH 29.08 x 23.11 x 11.43mm 11.43mm 29.08mm 23.11mm - - -
RS-stocknr. 715-6908
Fabrikantnummer782485/55C
1,79 €
Each
Aantal stuks
513µH 0.6Ω - - 1:1.5 Through Hole 0.192µH 9.14 x 10.46 x 6.35mm 6.35mm 9.14mm 10.46mm - - -
RS-stocknr. 883-9083
FabrikantnummerIT143
FabrikantSchaffner
4,40 €
Each (In a Pack of 100)
Aantal stuks
15mH - 1:1:1 Through Hole 200µH - - 27mm 22.5mm 40 kHz, 500 (Data Transmission) kHz - Enclosed
RS-stocknr. 106-8561
Fabrikantnummer782485/55C
1,25 €
Each (In a Tube of 50)
Aantal stuks
513µH 0.6Ω - - 1:1.5 Through Hole 0.192µH - - 9.14mm 10.46mm - - -
RS-stocknr. 715-6894
Fabrikantnummer78253/55MVC
2,94 €
Each
Aantal stuks
240µH 0.6Ω - - 1:1.31 Surface Mount 8µH 9 x 12.7 x 6.55mm 6.55mm 9mm 12.7mm - - -
RS-stocknr. 883-9099
FabrikantnummerIT233
FabrikantSchaffner
4,067 €
Each (In a Pack of 100)
Aantal stuks
3mH 0.8Ω 0.8Ω - 1:1:1 Through Hole 45µH - - 27mm 22.5mm 40 kHz, 500 (Data Transmission) kHz - Enclosed
RS-stocknr. 715-6885
Fabrikantnummer78253/55MC
2,27 €
Each
Aantal stuks
0.83mH 1.5Ω - - 1:1.31 Surface Mount 1µH 9 x 12.7 x 6.55mm 6.55mm 9mm 12.7mm - - -
RS-stocknr. 106-8566
Fabrikantnummer78253/55MVC
2,707 €
Each (In a Tube of 50)
Aantal stuks
240µH 0.6Ω - - 1:1.31 Surface Mount 8µH - - 9mm 12.7mm - - -
RS-stocknr. 210-6273
FabrikantnummerOEP8000
FabrikantOEP
7,45 €
Each
Aantal stuks
3.6H 111Ω 111Ω 4dB 1:1 Surface Mount 4100µH 9 x 7.3 x 14.2mm 14.2mm 9mm 7.3mm 4kHz 200Hz -
RS-stocknr. 106-8565
Fabrikantnummer78253/55MC
2,083 €
Each (In a Tube of 50)
Aantal stuks
0.83mH 1.5Ω - - 1:1.31 Surface Mount 1µH - - 9mm 12.7mm - - -
RS-stocknr. 163-4312
Fabrikantnummer750311604
FabrikantWurth Elektronik
7,84 €
Each (On a Reel of 125)
Aantal stuks
8µH 0.03Ω 0.035Ω - 1:1 Surface Mount 400nH 29.08 x 23.11 x 11.43mm 11.43mm 29.08mm 23.11mm - - -
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