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 196-369
製造零件編號PT4
BrandOEP
HK$39.35
單位
19µH 1.1Ω 0.9Ω - 1:1 Through Hole 19µH 13 x 13 x 15mm 15mm 13mm 13mm 1MHz 3kHz -
RS庫存編號 210-6223
製造零件編號OEP1200D
BrandOEP
HK$50.25
單位
4.15H 65Ω 65Ω 1.3dB 1:1 Through Hole 20mH 18 x 18 x 12.5mm 12.5mm 18mm 18mm 4kHz 300Hz -
RS庫存編號 210-6251
製造零件編號Z1260
BrandOEP
HK$49.50
單位
- 65Ω 65Ω 1.5dB 1:1 Through Hole - 19 x 11 x 15mm 15mm 19mm 11mm - - -
RS庫存編號 170-4980
製造零件編號IT314
BrandSchaffner
HK$132.495
個 (以毎盒:100)
單位
35mH - - - 3:1:1 Through Hole - 25.5 x 25.5 x 25mm 25mm 25.5mm 25.5mm - - -
RS庫存編號 210-6324
製造零件編號PT6E
BrandOEP
HK$71.03
單位
3mH - 2.6Ω - 1:1+1 Through Hole - 15 x 15 x 16mm 16mm 15mm 15mm 1MHz 3kHz -
RS庫存編號 196-454
製造零件編號PT8
BrandOEP
HK$34.94
單位
- - - - 2:1+1 Through Hole - 13 x 13 x 15mm 15mm 13mm 13mm 1MHz 3kHz -
RS庫存編號 196-375
製造零件編號PT6
BrandOEP
HK$50.90
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 178-9748
製造零件編號IT314
BrandSchaffner
HK$135.36
單位
35mH - - - 3:1:1 Through Hole - 25.5 x 25.5 x 25mm 25mm 25.5mm 25.5mm - - -
RS庫存編號 109-4149
製造零件編號ATB322524-0110
BrandTDK
HK$7.363
個 (在毎卷:1000)
單位
7µH 0.5Ω 60Ω - 0.0008125 Surface Mount 0.4µH - - 3.2mm 2.5mm - - -
RS庫存編號 544-2471
製造零件編號78250C
HK$25.26
單位
2mH - 1:1 Through Hole 3µH 9 x 10.19 x 6.35mm 6.35mm 9mm 10.19mm - - Enclosed
RS庫存編號 163-4306
製造零件編號750311592
HK$93.557
個 (在毎卷:100)
單位
8µH 0.015Ω 0.02Ω - 1:1 Surface Mount 400nH 32.31 x 27.03 x 13.69mm 13.69mm 32.31mm 27.03mm - - -
RS庫存編號 170-4970
製造零件編號IT253
BrandSchaffner
HK$33.413
個 (以毎盒:200)
單位
1.1mH - - - 1:1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS庫存編號 106-8570
製造零件編號78250C
HK$21.243
毎管:50 個
單位
2mH - 0.042361111111 Through Hole 3µH - - 9mm 10.19mm - - Enclosed
RS庫存編號 831-9315
製造零件編號ATB322524-0110
BrandTDK
HK$16.88
單位
7µH 0.5Ω 60Ω - 1:10.2 Surface Mount 0.4µH 3.2 x 2.5 x 2.4mm 2.4mm 3.2mm 2.5mm - - -
RS庫存編號 173-6390
製造零件編號IT253
BrandSchaffner
HK$48.29
單位
1.1mH - - - 1:1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS庫存編號 667-5966
製造零件編號LAD4613
BrandOEP
HK$35.93
單位
2.5mH - - - 1:1 Through Hole 0.5µH 10.16 x 8.89 x 6.35mm 6.35mm 10.16mm 8.89mm 55MHz 100kHz -
RS庫存編號 106-8562
製造零件編號78250MC
HK$20.881
毎管:50 個
單位
2mH - - Surface Mount 3µH - - 9mm 12.7mm - - -
RS庫存編號 715-6860
製造零件編號78250MC
HK$22.67
單位
2mH - - Surface Mount 3µH 9 x 12.7 x 6.65mm 6.65mm 9mm 12.7mm - - -
RS庫存編號 756-7531
製造零件編號750311592
HK$114.90
單位
8µH 0.015Ω 0.02Ω - 1:1 Surface Mount 400nH 32.31 x 27.03 x 13.69mm 13.69mm 32.31mm 27.03mm - - -
RS庫存編號 756-7535
製造零件編號750311593
HK$119.67
單位
15µH 0.032Ω 0.008Ω - 3.5:1 Surface Mount 400nH 32.31 x 27.03 x 13.69mm 13.69mm 32.31mm 27.03mm - - -