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 106-8565
製造零件編號78253/55MC
HK$20.881
毎管:50 個
單位
0.83mH 1.5Ω - - 1:1.31 Surface Mount 1µH - - 9mm 12.7mm - - -
RS庫存編號 756-7430
製造零件編號750311567
HK$71.10
單位
7µH 0.07Ω 0.023Ω - 2:1 Surface Mount 800nH 15.24 x 13.34 x 11.43mm 11.43mm 15.24mm 13.34mm - - -
RS庫存編號 715-6882
製造零件編號78253/35MVC
HK$29.24
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 178-9704
製造零件編號IT244
BrandSchaffner
HK$52.25
單位
15mH - - - 3:1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS庫存編號 163-4301
製造零件編號750311457
HK$48.117
個 (在毎卷:200)
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 106-8571
製造零件編號78253/55C
HK$20.40
毎管:50 個
單位
0.83mH 1.5Ω - - 1:1.31 Through Hole 1µH - - 9mm 9.52mm - - -
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 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 883-9121
製造零件編號IT364
BrandSchaffner
HK$511.607
/個 (每包:48個)
單位
1.5mH 0.16Ω 0.14Ω - 1:1 Through Hole 10µH - - 50mm 50mm 40 kHz, 500 (Data Transmission) kHz - Enclosed
RS庫存編號 533-0176
製造零件編號Z1640E
BrandOEP
HK$40.43
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 756-7541
製造零件編號750311596
HK$91.90
單位
12µH 0.03Ω 0.03Ω - 1.5:1 Surface Mount 400nH 32.31 x 27.03 x 13.69mm 13.69mm 32.31mm 27.03mm - - -
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 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 831-9321
製造零件編號ATB3225-75034CT
BrandTDK
HK$15.62
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 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 756-7406
製造零件編號750311889
HK$73.21
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 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 715-6908
製造零件編號782485/55C
HK$15.14
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 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 756-7507
製造零件編號750311604
HK$92.48
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 - - -