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庫存編號 905-5018
製造零件編號78602/9JC
HK$13.21
單位
10000µH 1.8Ω - - 1:1:1 Surface Mount 0.71µH - - 9.52mm 9mm - - Enclosed
RS庫存編號 756-7474
製造零件編號750311439
HK$60.95
單位
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庫存編號 210-6330
製造零件編號PT10E
BrandOEP
HK$44.31
單位
- 5.1Ω 2.6Ω - 2:1 Through Hole 115µH 15 x 15 x 16mm 16mm 15mm 15mm 1MHz 3kHz -
RS庫存編號 883-9095
製造零件編號IT213
BrandSchaffner
HK$70.32
/個 (每包:100個)
單位
6.5mH 1.4Ω 1.4Ω - 1:1:1 Through Hole 20µH - - 19mm - 40 kHz, 500 (Data Transmission) kHz - Enclosed
RS庫存編號 106-8559
製造零件編號782482/33VC
HK$12.18
毎管:50 個
單位
310µH 600mΩ - - 1:1.33 Through Hole 8µH - - 6.35mm 9.14mm - - -
RS庫存編號 170-4967
製造零件編號IT245
BrandSchaffner
HK$31.64
個 (以毎盒:200)
單位
8mH - - - 1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS庫存編號 756-7399
製造零件編號750311692
HK$45.46
單位
80µH 0.325Ω 8.7Ω - 5:1 Surface Mount 2µH 9.14 x 9.78 x 10.54mm 10.54mm 9.14mm 9.78mm - - -
RS庫存編號 167-4913
製造零件編號DXP18BN5014TL
BrandMurata
HK$12,817.50
毎卷:5000 個
Reel(s)
- 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庫存編號 106-8558
製造零件編號1002C
HK$30.515
毎管:30 個
單位
3mH 1.4Ω 1.7Ω - 1:1 PCB Mount 9µH - - 15.06mm 15.06mm - - -
RS庫存編號 170-4972
製造零件編號IT258
BrandSchaffner
HK$44.51
個 (以毎盒:200)
單位
2.5mH - - - 1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS庫存編號 715-6879
製造零件編號78253/35C
HK$22.67
單位
0.38mH - - 1:2.27 Through Hole 1µH 9 x 9.52 x 6.35mm 6.35mm 9mm 9.52mm - - -
RS庫存編號 170-4969
製造零件編號IT255
BrandSchaffner
HK$40.112
個 (以毎盒:200)
單位
22mH - - - 1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS庫存編號 883-9106
製造零件編號IT238
BrandSchaffner
HK$50.663
/個 (每包:50個)
單位
- 0.8Ω - - - - 3mH - - 27mm 22.5mm - - -
RS庫存編號 218-9880
製造零件編號SM-LP-5001
BrandBourns
HK$11.27
單位
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庫存編號 163-4323
製造零件編號750311911
HK$75.606
Each (In a Tray of 70)
單位
6.78µH 0.02Ω 0.45 (12-11 and 10-9) Ω, 0.47 (14-13 and 8-7) Ω - 1:3 Surface Mount 200nH 25 x 22.2 x 16mm 16mm 25mm 22.2mm - - -
RS庫存編號 106-8564
製造零件編號78253/35MVC
HK$26.795
毎管:50 個
單位
142µH 0.5Ω - - 1:2.14 Surface Mount 5µH - - 9mm 12.7mm - - -
RS庫存編號 756-7500
製造零件編號750311599
HK$93.76
單位
8µH 0.03Ω 0.012Ω - 1.5:1 Surface Mount 1µH 29.08 x 23.11 x 11.43mm 11.43mm 29.08mm 23.11mm - - -
RS庫存編號 883-9083
製造零件編號IT143
BrandSchaffner
HK$43.901
/個 (每包:100個)
單位
15mH - 1:1:1 Through Hole 200µH - - 27mm 22.5mm 40 kHz, 500 (Data Transmission) kHz - Enclosed
RS庫存編號 533-0160
製造零件編號Z1258E
BrandOEP
HK$44.53
單位
2H 45Ω 45Ω 1.1dB 1:1 Through Hole 6mH 19 x 15 x 11.3mm 11.3mm 19mm 15mm - - -
RS庫存編號 116-9144
製造零件編號PT42E
BrandOEP
HK$62.04
單位
3mH 0.8Ω 0.8Ω - 1:1 Through Hole 85µH 13 x 13 x 15mm 15mm 13mm 13mm 1MHz 3kHz -