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 170-4980
製造零件編號IT314
BrandSchaffner
HK$89.631
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 178-9748
製造零件編號IT314
BrandSchaffner
HK$129.01
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 170-4970
製造零件編號IT253
BrandSchaffner
HK$31.787
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 173-6390
製造零件編號IT253
BrandSchaffner
HK$53.94
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 883-9092
製造零件編號IT155
BrandSchaffner
HK$38.618
/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 883-9095
製造零件編號IT213
BrandSchaffner
HK$71.62
/個 (每包:100個)
單位
6.5mH 1.4Ω 1.4Ω - 1:1:1 Through Hole 20µH - - 19mm - 40 kHz, 500 (Data Transmission) kHz - Enclosed
RS庫存編號 173-6429
製造零件編號IT258
BrandSchaffner
HK$78.85
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 883-9099
製造零件編號IT233
BrandSchaffner
HK$40.65
/個 (每包:100個)
單位
3mH 0.8Ω 0.8Ω - 1:1:1 Through Hole 45µH - - 27mm 22.5mm 40 kHz, 500 (Data Transmission) kHz - Enclosed
RS庫存編號 170-4967
製造零件編號IT245
BrandSchaffner
HK$31.75
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 170-4973
製造零件編號IT313
BrandSchaffner
HK$79.743
個 (以毎盒:100)
單位
3mH - - - 1:1:1 Through Hole - 25.5 x 25.5 x 25mm 25mm 25.5mm 25.5mm - - -
RS庫存編號 883-9124
製造零件編號IT370
BrandSchaffner
HK$148.866
/個 (每包:300個)
單位
0.3mH 0.16Ω 0.18Ω - 1:1 Through Hole 6µH - - 27mm 32.2mm 40 kHz, 500 (Data Transmission) kHz - Enclosed
RS庫存編號 170-4972
製造零件編號IT258
BrandSchaffner
HK$47.804
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 173-6340
製造零件編號IT245
BrandSchaffner
HK$51.04
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 162-0595
製造零件編號IT243
BrandSchaffner
HK$33.46
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 173-6384
製造零件編號IT255
BrandSchaffner
HK$51.04
單位
22mH - - - 1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS庫存編號 218-9852
製造零件編號IT243
BrandSchaffner
HK$53.94
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 170-4969
製造零件編號IT255
BrandSchaffner
HK$30.163
個 (以毎盒:200)
單位
22mH - - - 1:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS庫存編號 170-4971
製造零件編號IT248
BrandSchaffner
HK$35.25
個 (以毎盒:200)
單位
17mH - - - 2:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -
RS庫存編號 883-9083
製造零件編號IT143
BrandSchaffner
HK$41.781
/個 (每包:100個)
單位
15mH - 1:1:1 Through Hole 200µH - - 27mm 22.5mm 40 kHz, 500 (Data Transmission) kHz - Enclosed
RS庫存編號 173-6407
製造零件編號IT248
BrandSchaffner
HK$56.76
單位
17mH - - - 2:1 Through Hole - 16.7 x 17.6 x 11.3mm 11.3mm 16.7mm 17.6mm - - -