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 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 715-6885
製造零件編號78253/55MC
HK$22.67
單位
0.83mH 1.5Ω - - 1:1.31 Surface Mount 1µH 9 x 12.7 x 6.55mm 6.55mm 9mm 12.7mm - - -
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 163-4313
製造零件編號750311605
HK$76.373
個 (在毎卷:125)
單位
15µH 0.04Ω 0.005Ω - 1:3.5 Surface Mount 550nH 29.08 x 23.11 x 11.43mm 11.43mm 29.08mm 23.11mm - - -
RS庫存編號 171-0809
製造零件編號ATB3225-75032CT
BrandTDK
HK$11.662
個 (在毎卷:1000)
單位
- 0.7Ω - 2dB 3:2 Surface Mount - 3.2 x 2.5 x 2.3mm 2.3mm 3.2mm 2.5mm 100MHz 5MHz -
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 715-6894
製造零件編號78253/55MVC
HK$37.24
單位
240µH 0.6Ω - - 1:1.31 Surface Mount 8µH 9 x 12.7 x 6.55mm 6.55mm 9mm 12.7mm - - -
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 163-4293
製造零件編號749118205
HK$53.555
個 (以毎盒:154)
單位
0.9mH 4.3Ω 26mΩ - 19:1:1 Through Hole 175µH 18 x 16.5 x 18mm 18mm 18mm 16.5mm - - -
RS庫存編號 170-4967
製造零件編號IT245
BrandSchaffner
HK$31.64
個 (以毎盒:200)
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 756-7496
製造零件編號750311597
HK$88.22
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 629-9199
製造零件編號76601/3C
HK$17.25
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 162-0595
製造零件編號IT243
BrandSchaffner
HK$29.804
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 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 106-2888
製造零件編號DXW21BN7511TL
HK$4.237
/個 (每包:10個)
單位
- - - 1dB - Surface Mount - - - 2mm 1.2mm 870MHz 50MHz Enclosed
RS庫存編號 163-4320
製造零件編號750311771
HK$93.557
個 (在毎卷:100)
單位
500µH 0.45Ω 0.05Ω - 6:1 Surface Mount 10µH 32.31 x 27.03 x 13.69mm 13.69mm 32.31mm 27.03mm - - -
RS庫存編號 106-8566
製造零件編號78253/55MVC
HK$26.795
毎管:50 個
單位
240µH 0.6Ω - - 1:1.31 Surface Mount 8µH - - 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 629-9177
製造零件編號76601/1C
HK$17.25
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 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 - - -