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 106-8818
製造零件編號76253/55ENC
HK$36.642
毎管:30 個
單位
2mH 0.9Ω - - 1:1.33 Through Hole 10µH - - 15mm 15mm - - -
RS庫存編號 106-8572
製造零件編號78253/35C
HK$21.129
毎管:50 個
單位
0.38mH - - 1:2.27 Through Hole 1µH - - 9mm 9.52mm - - -
RS庫存編號 667-5940
製造零件編號PT6SM
BrandOEP
HK$42.44
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 533-0176
製造零件編號Z1640E
BrandOEP
HK$114.40
單位
1.9H 32Ω 42Ω 1.1dB 1:1 Through Hole 1.6mH 18 x 14.5 x 18mm 18mm 18mm 14.5mm 4kHz 200Hz -
RS庫存編號 163-4300
製造零件編號750311439
HK$44.682
個 (在毎卷:200)
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 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 106-8567
製造零件編號78253/55VC
HK$27.51
毎管:50 個
單位
240µH 0.6Ω - - 1:1.31 Through Hole 8µH - - 9mm 9.52mm - - -
RS庫存編號 106-8561
製造零件編號782485/55C
HK$12.674
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 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 170-9324
製造零件編號78602/9JC
HK$12.62
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 210-6273
製造零件編號OEP8000
BrandOEP
HK$56.74
單位
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 106-2888
製造零件編號DXW21BN7511TL
HK$5.635
/個 (每包:10個)
單位
- - - 1dB - Surface Mount - - - 2mm 1.2mm 870MHz 50MHz Enclosed
RS庫存編號 106-8566
製造零件編號78253/55MVC
HK$27.42
毎管:50 個
單位
240µH 0.6Ω - - 1:1.31 Surface Mount 8µH - - 9mm 12.7mm - - -
RS庫存編號 163-4314
製造零件編號750311607
HK$76.373
個 (在毎卷:125)
單位
14µH 0.04Ω 0.01Ω - 2.5:1 Surface Mount 500nH 29.08 x 23.11 x 11.43mm 11.43mm 29.08mm 23.11mm - - -
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 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 163-4299
製造零件編號750311385
HK$61.099
個 (在毎卷:125)
單位
15µH 0.02Ω 0.012Ω - 1.25:1 Surface Mount 200nH 29.08 x 23.11 x 11.43mm 11.43mm 29.08mm 23.11mm - - -
RS庫存編號 171-0807
製造零件編號ATB3225-75034CT
BrandTDK
HK$11.662
個 (在毎卷:1000)
單位
- 0.7Ω - 2dB 3:4 Surface Mount - 3.2 x 2.5 x 2.3mm 2.3mm 3.2mm 2.5mm 100MHz 1MHz -
RS庫存編號 839-0913
製造零件編號DXW21BN7511SL
BrandMurata
HK$6.126
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 - - -