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 667-5940
製造零件編號PT6SM
BrandOEP
HK$37.30
單位
3mH 0.65Ω 0.55Ω - 1:1:1 Surface Mount 1.8 μH, 3.5 μH 13.1 x 17 x 11.95mm 11.95mm 13.1mm 17mm - - -
RS庫存編號 210-6318
製造零件編號PT4E
BrandOEP
HK$66.50
單位
3mH 1.1Ω 0.9Ω - 1:1 Through Hole 19µH 15 x 15 x 16mm 16mm 15mm 15mm 1MHz 3kHz -
RS庫存編號 161-8042
製造零件編號DXW21BN7511TL
HK$4,794.45
毎卷:2000 個
Reel(s)
- - - 1dB - Surface Mount - - - 2mm 1.2mm 870MHz 50MHz 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 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 163-4310
製造零件編號750311597
HK$76.373
個 (在毎卷:125)
單位
6µH 0.02Ω 0.004Ω - 3:1 Surface Mount 300nH 29.08 x 23.11 x 11.43mm 11.43mm 29.08mm 23.11mm - - -
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 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 756-7529
製造零件編號750311590
HK$98.41
單位
8µH 0.015Ω 0.008Ω - 2:1 Surface Mount 400nH 32.31 x 27.03 x 13.69mm 13.69mm 32.31mm 27.03mm - - -
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 173-6340
製造零件編號IT245
BrandSchaffner
HK$42.95
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 106-8817
製造零件編號76250ENC
HK$33.821
毎管:30 個
單位
2mH - - 1:1 Through Hole 40µH - - 15mm 15mm - - -
RS庫存編號 883-9092
製造零件編號IT155
BrandSchaffner
HK$40.65
/個 (每包:100個)
單位
5mH 1.2Ω 1.2Ω - 1:1 Through Hole 85µH - - 27mm 22.5mm 40 kHz, 500 (Data Transmission) kHz - Enclosed
RS庫存編號 210-6302
製造零件編號PT10
BrandOEP
HK$45.57
單位
115µH 5.10Ω 2.6Ω - 2:1 Through Hole - 13 x 13 x 15mm 15mm 13mm 13mm 1MHz 3kHz -
RS庫存編號 800-4344
製造零件編號1002C
HK$39.95
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 170-9233
製造零件編號76601/3C
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 163-4322
製造零件編號750311889
HK$64.917
個 (在毎卷:100)
單位
37µH 0.038Ω 0.175Ω - 1:2.5 Surface Mount 160nH 32.31 x 27.03 x 13.69mm 13.69mm 32.31mm 27.03mm - - -
RS庫存編號 533-0198
製造零件編號Z1656
BrandOEP
HK$53.00
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 162-1335
製造零件編號750311590
HK$63.721
個 (在毎卷:100)
單位
8µH 0.015Ω 0.008Ω - 2:1 Surface Mount 400nH 32.31 x 27.03 x 13.69mm 13.69mm 32.31mm 27.03mm - - -
RS庫存編號 167-4838
製造零件編號DXW21BN7511SL
BrandMurata
HK$5,903.40
毎卷:2000 個
Reel(s)
- 75Ω 75Ω 1.4dB 1:1 Surface Mount - 2 x 1.2 x 1.2mm 1.2mm 2mm 1.2mm - - -