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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Description Price 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 Stock No. 163-4306
Mfr. Part No.750311592
kr 73,066
Each (On a Reel of 100)
Units
8µH 0.015Ω 0.02Ω - 1:1 Surface Mount 400nH 32.31 x 27.03 x 13.69mm 13.69mm 32.31mm 27.03mm - - -
RS Stock No. 667-5966
Mfr. Part No.LAD4613
BrandOEP
kr 65,40
Each
Units
2.5mH - - - 1:1 Through Hole 0.5µH 10.16 x 8.89 x 6.35mm 6.35mm 10.16mm 8.89mm 55MHz 100kHz -
RS Stock No. 756-7531
Mfr. Part No.750311592
kr 74,29
Each
Units
8µH 0.015Ω 0.02Ω - 1:1 Surface Mount 400nH 32.31 x 27.03 x 13.69mm 13.69mm 32.31mm 27.03mm - - -
RS Stock No. 800-4423
Mfr. Part No.78604/1C
kr 13,00
Each (In a Bag of 5)
Units
2000µH 0.6Ω - - 2:1 Through Hole 0.99µH 9.52 x 9 x 6.35mm 6.35mm 9.52mm 9mm - - -
RS Stock No. 839-0904
Mfr. Part No.DXP18BN5014TL
BrandMurata
kr 6,34
Each (In a Bag of 5)
Units
- 50Ω 200Ω 1.5dB 1:2 Surface Mount - 1.6 x 0.8 x 0.45mm 0.45mm 1.6mm 0.8mm 870MHz 50MHz -
RS Stock No. 167-5963
Mfr. Part No.78604/1C
kr 12,506
Each (In a Tube of 50)
Units
2000µH 0.6Ω - - 2:1 Through Hole 0.99µH 9.52 x 9 x 6.35mm 6.35mm 9.52mm 9mm - - -
RS Stock No. 167-4913
Mfr. Part No.DXP18BN5014TL
BrandMurata
kr 2,655
Each (On a Reel of 5000)
Units
- 50Ω 200Ω 1.5dB 1:2 Surface Mount - 1.6 x 0.8 x 0.45mm 0.45mm 1.6mm 0.8mm 870MHz 50MHz -
RS Stock No. 883-9083
Mfr. Part No.IT143
BrandSchaffner
kr 43,87
Each (In a Pack of 100)
Units
15mH - 1:1:1 Through Hole 200µH - - 27mm 22.5mm 40 kHz, 500 (Data Transmission) kHz - Enclosed
RS Stock No. 210-6245
Mfr. Part No.Z1612E
BrandOEP
kr 106,78
Each
Units
- 68Ω 68Ω 1.5dB 1:1 Through Hole - 18 x 12.5 x 18mm 18mm 18mm 12.5mm - - -
RS Stock No. 756-7507
Mfr. Part No.750311604
kr 100,60
Each
Units
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 Stock No. 172-8671
Mfr. Part No.SM-LP-5001
BrandBourns
kr 13,30
Each (In a Bag of 53)
Units
3.8H - - 2dB 1:1 Surface Mount 6mH 9.6 x 7.36 x 14mm 14mm 9.6mm 7.36mm 4kHz 0.2kHz -
RS Stock No. 161-8042
Mfr. Part No.DXW21BN7511TL
kr 3,183
Each (On a Reel of 2000)
Units
- - - 1dB - Surface Mount - - - 2mm 1.2mm 870MHz 50MHz Enclosed
RS Stock No. 756-7474
Mfr. Part No.750311439
kr 63,51
Each
Units
37µH 0.089Ω 0.028Ω - 2:1 Surface Mount 750nH 17.75 x 13.46 x 12.7mm 12.7mm 17.75mm 13.46mm - - -
RS Stock No. 218-9880
Mfr. Part No.SM-LP-5001
BrandBourns
kr 20,98
Each
Units
3.8H 115Ω 115Ω 2dB 1:1 Surface Mount 6mH 9.6 x 7.36 x 14mm 14mm 9.6mm 7.36mm 4kHz 0.2kHz -
RS Stock No. 839-0913
Mfr. Part No.DXW21BN7511SL
BrandMurata
kr 6,122
Each (In a Bag of 5)
Units
- 75Ω 75Ω 1.4dB 1:1 Surface Mount - 2 x 1.2 x 1.2mm 1.2mm 2mm 1.2mm - - -
RS Stock No. 163-4312
Mfr. Part No.750311604
kr 78,165
Each (On a Reel of 125)
Units
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 Stock No. 106-2888
Mfr. Part No.DXW21BN7511TL
kr 6,175
Each (In a Pack of 10)
Units
- - - 1dB - Surface Mount - - - 2mm 1.2mm 870MHz 50MHz Enclosed
RS Stock No. 167-4838
Mfr. Part No.DXW21BN7511SL
BrandMurata
kr 2,911
Each (On a Reel of 2000)
Units
- 75Ω 75Ω 1.4dB 1:1 Surface Mount - 2 x 1.2 x 1.2mm 1.2mm 2mm 1.2mm - - -
RS Stock No. 210-6273
Mfr. Part No.OEP8000
BrandOEP
kr 74,28
Each
Units
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 Stock No. 170-9233
Mfr. Part No.76601/3C
kr 16,024
Each (On a Reel of 50)
Units
- - - - 1:1 Through Hole - 12.7 x 8.89 x 6.35mm 6.35mm 12.7mm 8.89mm - - -
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