Pulse 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 compone...

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EPCOS Surface Telecom Transformer 1 : 0.22 :0.78 Turns Ratio, 4.1 μH Prim. Inductance, 75mΩ Prim. Resistance
RS Stock No.475-544BrandEPCOSManufacturers Part No.B78308X0001

€ 55.85

€ 55.85 Each (Exc. Vat)

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Epcos
4.1μH
-
Telecom Transformer
75mΩ
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-
-
-
-
-
1 : 0.22 :0.78
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Surface
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-
-
-
-
-40°C
-
-
150°C
15.8mm
500kHz
E13 EMHV
IEC 60664-1, 61558-2-16
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11.4mm
12.90 mm
100kHz
-
-
-
-
3000V ac
EPCOS Surface Telecom Transformer 1 : 1 :8.42 Turns Ratio, 3 mH Prim. Inductance, 23Ω Prim. Resistance
RS Stock No.475-545BrandEPCOSManufacturers Part No.B78416X0001

€ 55.85

€ 55.85 Each (Exc. Vat)

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Epcos
3mH
-
Telecom Transformer
23Ω
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-
-
-
-
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1 : 1 :8.42
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Surface
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-
-
-
-
-40°C
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-
125°C
7.6mm
300kHz
EP6
RoHS, AEC-Q200
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7.10mm
8.8 mm
50kHz
-
-
-
-
200Vrms
EPCOS Surface Telecom Transformer 1:1.08 Turns Ratio, 100 μH Prim. Inductance
RS Stock No.475-543BrandEPCOSManufacturers Part No.B78307X0001

€ 58.11

€ 58.11 Each (Exc. Vat)

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Epcos
100μH
-
Telecom Transformer
-
-
-
-
-
-
-
1:1.08
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Surface
-
-
-
-
-
-40°C
-
-
150°C
13.15mm
500kHz
E10 EM
RoHS
-
11.35mm
11.70 mm
100kHz
-
-
-
-
3000V ac
Murata Power Solutions Surface Pulse Transformer 1:1 Turns Ratio, 10 mH Prim. Inductance
RS Stock No.279-8047BrandMurata Power SolutionsManufacturers Part No.78601/9JC

€ 100.40

€ 2.008 Each (In a Tube of 50) (Exc. Vat)

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Murata Power Solutions
10mH
-
Pulse Transformer
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-
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-
1:1
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Surface
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No
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Murata Power Solutions Surface Pulse Transformer 1:1 Turns Ratio, 10 mH Prim. Inductance
RS Stock No.279-8048BrandMurata Power SolutionsManufacturers Part No.78601/9JC

€ 3.76

€ 3.76 Each (Exc. Vat)

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Murata Power Solutions
10mH
-
Pulse Transformer
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-
-
-
-
-
-
1:1
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Surface
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No
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Murata Power Solutions Surface Pulse Transformer 1:1 Turns Ratio, 10 mH Prim. Inductance
RS Stock No.279-8049BrandMurata Power SolutionsManufacturers Part No.78615/9JC

€ 97.26

€ 1.945 Each (In a Tube of 50) (Exc. Vat)

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Murata Power Solutions
10mH
-
Pulse Transformer
-
-
-
-
-
-
-
1:1
-
Surface
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-
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No
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Murata Power Solutions Surface Pulse Transformer 1:1 Turns Ratio, 10 mH Prim. Inductance
RS Stock No.279-8050BrandMurata Power SolutionsManufacturers Part No.78615/9JC

€ 2.38

€ 2.38 Each (Exc. Vat)

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Murata Power Solutions
10mH
-
Pulse Transformer
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-
-
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-
-
-
1:1
-
Surface
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No
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Murata Power Solutions Through Hole Pulse Transformer 2:1:1 Turns Ratio, 12 mH Prim. Inductance
RS Stock No.279-8017BrandMurata Power SolutionsManufacturers Part No.1003C

€ 7.66

€ 7.66 Each (Exc. Vat)

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Murata Power Solutions
12mH
-
Pulse Transformer
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-
-
-
-
-
-
2:1:1
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Through Hole
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No
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Murata Power Solutions Through Hole Pulse Transformer 2:1:1 Turns Ratio, 12 mH Prim. Inductance
RS Stock No.279-8016BrandMurata Power SolutionsManufacturers Part No.1003C

€ 195.78

€ 6.526 Each (In a Box of 30) (Exc. Vat)

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Murata Power Solutions
12mH
-
Pulse Transformer
-
-
-
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-
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-
2:1:1
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Through Hole
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No
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-
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-
-
-

€ 5.96

€ 5.96 Each (Exc. Vat)

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Wurth Elektronik
450μH
-
Telecom Transformer
450mΩ
-
-
-
-
-0.25dB
-
1:1
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Surface
-
-
-
-
-
-40°C
-
-
125°C
14.7mm
-
WE‑BMS
RoHS
-
4.75mm
15.1 mm
-
-
-
-
-
1kV

€ 2,146.05

€ 4.769 Each (On a Reel of 450) (Exc. Vat)

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Wurth Elektronik
450μH
-
Telecom Transformer
450mΩ
-
-
-
-
-0.25dB
-
1:1
-
Surface
-
-
-
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-40°C
-
-
125°C
14.7mm
-
WE‑BMS
RoHS
-
4.75mm
15.1 mm
-
-
-
-
-
1kV

€ 3.89

€ 3.89 Each (Exc. Vat)

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Wurth Elektronik
450μH
-
Telecom Transformer
450mΩ
-
-
-
-
-0.25dB
-
1:1
-
Surface
-
-
-
-
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-40°C
-
-
125°C
9.5mm
-
WE‑BMS
RoHS
-
5.5mm
7.6 mm
-
-
-
-
-
1kV

€ 2,830.02

€ 5.146 Each (On a Reel of 550) (Exc. Vat)

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Wurth Elektronik
450μH
-
Telecom Transformer
450mΩ
-
-
-
-
-0.25dB
-
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
14.9mm
-
WE‑BMS
RoHS
-
3.45mm
15.1 mm
-
-
-
-
-
1kV

€ 2,453.52

€ 2.886 Each (On a Reel of 850) (Exc. Vat)

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Wurth Elektronik
450μH
-
Telecom Transformer
450mΩ
-
-
-
-
-0.25dB
-
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
15.4mm
-
WE‑BMS
RoHS
-
3.45mm
9.45 mm
-
-
-
-
-
1kV

€ 1,998.59

€ 3.075 Each (On a Reel of 650) (Exc. Vat)

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Wurth Elektronik
450μH
-
Telecom Transformer
450mΩ
-
-
-
-
-0.25dB
-
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
9.5mm
-
WE‑BMS
RoHS
-
5.5mm
7.6 mm
-
-
-
-
-
1kV

€ 3.89

€ 3.89 Each (Exc. Vat)

Add to basket
Wurth Elektronik
450μH
-
Telecom Transformer
450mΩ
-
-
-
-
-0.25dB
-
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
15.4mm
-
WE‑BMS
RoHS
-
3.45mm
9.45 mm
-
-
-
-
-
1kV

€ 5.84

€ 5.84 Each (Exc. Vat)

Add to basket
Wurth Elektronik
450μH
-
Telecom Transformer
450mΩ
-
-
-
-
-0.25dB
-
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
14.9mm
-
WE‑BMS
RoHS
-
3.45mm
15.1 mm
-
-
-
-
-
1kV
Wurth Elektronik Telecom Transformer 1:1 Turns Ratio, 350 μH Prim. Inductance, 450mΩ Prim. Resistance
RS Stock No.245-8585BrandWurth ElektronikManufacturers Part No.749600010

€ 697.78

€ 17.444 Each (In a Tray of 40) (Exc. Vat)

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Wurth Elektronik
350μH
-
Telecom Transformer
450mΩ
-
-
-
-
-1.3dB
-
1:1
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-
-
-
-
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-40°C
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125°C
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WE‑BMS
RoHS Approval (2011/65/EU&2015/863), REACh Approval Conform or declared ((EC)1907/2006)
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-
-
-
-
1kV
Wurth Elektronik Telecom Transformer 1:1 Turns Ratio, 350 μH Prim. Inductance, 450mΩ Prim. Resistance
RS Stock No.245-8586BrandWurth ElektronikManufacturers Part No.749600010

€ 21.08

€ 21.08 Each (Exc. Vat)

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Wurth Elektronik
350μH
-
Telecom Transformer
450mΩ
-
-
-
-
-1.3dB
-
1:1
-
-
-
-
-
-
-
-40°C
-
-
125°C
-
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WE‑BMS
RoHS Approval (2011/65/EU&2015/863), REACh Approval Conform or declared ((EC)1907/2006)
-
-
-
-
-
-
-
-
1kV
OEP Through Hole Pulse Transformer 1:1 Turns Ratio, 1.9 h Prim. Inductance, 32Ω Prim. Resistance
RS Stock No.533-0176BrandOEPManufacturers Part No.Z1640E

€ 9.54

€ 9.54 Each (Exc. Vat)

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OEP
1.9h
-
Pulse Transformer
32Ω
-
-
42Ω
-
1.1dB
-
1:1
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Through Hole
-
1.6mH
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-
-
-
-
-
-
18mm
4kHz
-
RoHS
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18mm
14.5 mm
200Hz
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-
-
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-

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