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 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 756-7395
製造零件編號750311691
HK$46.12
單位
60µH 0.315Ω 7.95Ω - 1:5 Surface Mount 1µH 8.26 x 6.6 x 5.59mm 5.59mm 8.26mm 6.6mm - - -
RS庫存編號 756-7409
製造零件編號750311486
HK$46.47
單位
100µH 0.22Ω 31Ω - 1:10 Surface Mount 4.5µH 17.75 x 13.46 x 12.7mm 12.7mm 17.75mm 13.46mm - - -
RS庫存編號 715-6905
製造零件編號782482/53VC
HK$17.90
單位
260µH 600mΩ - - 1.14:1 Through Hole 8µH 9.77 x 9.14 x 6.35mm 9.77mm 6.35mm 9.14mm - - -
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 -
RS庫存編號 715-6898
製造零件編號782485/35C
HK$17.67
單位
234µH 0.5Ω - - 1:2.2 Through Hole 0.168µH 9.14 x 10.46 x 6.35mm 6.35mm 9.14mm 10.46mm - - -
RS庫存編號 106-8817
製造零件編號76250ENC
HK$36.642
毎管:30 個
單位
2mH - - 1:1 Through Hole 40µH - - 15mm 15mm - - -
RS庫存編號 163-4315
製造零件編號750311608
HK$76.373
個 (在毎卷:125)
單位
12µH 0.03Ω 0.02Ω - 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 756-7478
製造零件編號750311457
HK$64.57
單位
50µH 0.115Ω 0.012Ω - 4:1 Surface Mount 1.2µH 17.75 x 13.46 x 12.7mm 12.7mm 17.75mm 13.46mm - - -
RS庫存編號 715-6872
製造零件編號78253/35MC
HK$22.67
單位
0.38mH - - 1:2.27 Surface Mount 1µH 9 x 12.7 x 6.55mm 6.55mm 9mm 12.7mm - - -
RS庫存編號 170-4968
製造零件編號IT242
BrandSchaffner
HK$32.791
個 (以毎盒:200)
單位
2.5mH - - - 1:1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS庫存編號 106-8560
製造零件編號782482/53VC
HK$12.674
毎管:50 個
單位
260µH 600mΩ - - 1.14:1 Through Hole 8µH - - 6.35mm 9.14mm - - -
RS庫存編號 756-7412
製造零件編號750311305
HK$87.74
單位
50µH 0.175Ω 0.028Ω - 3:1 Surface Mount 2µH 15.24 x 13.34 x 11.43mm 11.43mm 15.24mm 13.34mm - - -
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 715-6891
製造零件編號78253/55VC
HK$28.85
單位
240µH 0.6Ω - - 1:1.31 Through Hole 8µH 9 x 9.52 x 6.35mm 6.35mm 9mm 9.52mm - - -
RS庫存編號 162-0595
製造零件編號IT243
BrandSchaffner
HK$32.791
個 (以毎盒:200)
單位
2.5mH - - - 1:1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS庫存編號 106-8565
製造零件編號78253/55MC
HK$21.129
毎管:50 個
單位
0.83mH 1.5Ω - - 1:1.31 Surface Mount 1µH - - 9mm 12.7mm - - -
RS庫存編號 170-9231
製造零件編號76601/1C
HK$16.40
個 (在毎卷:50)
單位
- - - - 1:1 Through Hole - 12.7 x 8.89 x 6.35mm 6.35mm 12.7mm 8.89mm - - -
RS庫存編號 163-4312
製造零件編號750311604
HK$76.373
個 (在毎卷:125)
單位
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庫存編號 218-9852
製造零件編號IT243
BrandSchaffner
HK$51.32
單位
2.5mH - - - 1:1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -