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 173-6384
製造零件編號IT255
BrandSchaffner
TWD203.00
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 170-4969
製造零件編號IT255
BrandSchaffner
TWD129.90
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 170-4972
製造零件編號IT258
BrandSchaffner
TWD205.50
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 173-6429
製造零件編號IT258
BrandSchaffner
TWD392.00
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 170-4968
製造零件編號IT242
BrandSchaffner
TWD137.00
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 800-4344
製造零件編號1002C
TWD161.00
單位
3mH 1.4Ω 1.7Ω - 1:1:1 PCB Mount 9µH 15.06 x 15.06 x 15.75mm 15.75mm 15.06mm 15.06mm - - -
RS庫存編號 173-6356
製造零件編號IT242
BrandSchaffner
TWD214.00
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 167-4838
製造零件編號DXW21BN7511SL
BrandMurata
TWD11.70
個 (在毎卷:2000)
單位
- 75Ω 75Ω 1.4dB 1:1 Surface Mount - 2 x 1.2 x 1.2mm 1.2mm 2mm 1.2mm - - -
RS庫存編號 106-8561
製造零件編號782485/55C
TWD50.90
毎管:50 個
單位
513µH 0.6Ω - - 1:1.5 Through Hole 0.192µH - - 9.14mm 10.46mm - - -
RS庫存編號 839-0913
製造零件編號DXW21BN7511SL
BrandMurata
TWD24.80
個 (以毎袋:5)
單位
- 75Ω 75Ω 1.4dB 1:1 Surface Mount - 2 x 1.2 x 1.2mm 1.2mm 2mm 1.2mm - - -
RS庫存編號 715-6908
製造零件編號782485/55C
TWD71.00
單位
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庫存編號 106-8558
製造零件編號1002C
TWD157.40
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 196-375
製造零件編號PT6
BrandOEP
TWD207.00
單位
3mH 1.1Ω 0.9Ω - 1:1 Through Hole 19µH 13 x 13 x 15mm 15mm 13mm 13mm 1MHz 3kHz -
RS庫存編號 715-6882
製造零件編號78253/35MVC
TWD116.00
單位
142µH 0.5Ω - - 1:2.14 Surface Mount 5µH 9 x 12.7 x 6.55mm 6.55mm 9mm 12.7mm - - -
RS庫存編號 629-9199
製造零件編號76601/3C
TWD73.00
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 533-0198
製造零件編號Z1656
BrandOEP
TWD245.00
單位
12H 63Ω 63Ω 0.8dB - Through Hole 35 mH, 35000 μH 18 x 12.7 x 18mm 18mm 18mm 12.7mm - - -
RS庫存編號 170-9324
製造零件編號78602/9JC
TWD50.90
個 (在毎卷:50)
單位
10000µH 1.8Ω - - 1:1:1 Surface Mount 0.71µH - - 9.52mm 9mm - - Enclosed
RS庫存編號 629-9177
製造零件編號76601/1C
TWD70.00
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 667-5947
製造零件編號PT4SM
BrandOEP
TWD167.00
單位
3mH 0.36Ω 0.46Ω - 1:1 Surface Mount 3 μH, 4 μH 13.1 x 17 x 11.95mm 11.95mm 13.1mm 17mm - - -
RS庫存編號 210-6324
製造零件編號PT6E
BrandOEP
TWD302.00
單位
3mH - 2.6Ω - 1:1+1 Through Hole - 15 x 15 x 16mm 16mm 15mm 15mm 1MHz 3kHz -