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

€ 72.65

€ 72.65 Each (Exc. VAT)

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Epcos
-
Telecom Transformer
4.1μH
-
75mΩ
-
-
-
-
1 : 0.22 :0.78
-
-
Surface
-
-
-
-
-
-
-40°C
150°C
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IEC 60664-1, 61558-2-16
12.90 mm
15.8mm
E13 EMHV
500kHz
11.4mm
-
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

€ 72.65

€ 72.65 Each (Exc. VAT)

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

€ 75.56

€ 75.56 Each (Exc. VAT)

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Epcos
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Telecom Transformer
100μH
-
-
-
-
-
-
1:1.08
-
-
Surface
-
-
-
-
-
-
-40°C
150°C
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RoHS
11.70 mm
13.15mm
E10 EM
500kHz
11.35mm
-
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

€ 159.89

€ 3.198 Each (In a Tube of 50) (Exc. VAT)

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Murata Power Solutions
-
Pulse Transformer
10mH
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-
-
-
-
-
1:1
-
-
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

€ 6.14

€ 6.14 Each (Exc. VAT)

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Murata Power Solutions
-
Pulse Transformer
10mH
-
-
-
-
-
-
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.279-8049BrandMurata Power SolutionsManufacturers Part No.78615/9JC

€ 159.89

€ 3.198 Each (In a Tube of 50) (Exc. VAT)

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Murata Power Solutions
-
Pulse Transformer
10mH
-
-
-
-
-
-
1:1
-
-
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.279-8050BrandMurata Power SolutionsManufacturers Part No.78615/9JC

€ 3.91

€ 3.91 Each (Exc. VAT)

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Murata Power Solutions
-
Pulse Transformer
10mH
-
-
-
-
-
-
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.279-8016BrandMurata Power SolutionsManufacturers Part No.1003C

€ 316.83

€ 10.561 Each (In a Box of 30) (Exc. VAT)

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

€ 10.01

€ 10.01 Each (Exc. VAT)

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

€ 3,044.99

€ 4.685 Each (On a Reel of 650) (Exc. VAT)

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

€ 6.40

€ 6.40 Each (Exc. VAT)

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

€ 9.52

€ 9.52 Each (Exc. VAT)

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

€ 6.40

€ 6.40 Each (Exc. VAT)

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

€ 4,335.32

€ 7.882 Each (On a Reel of 550) (Exc. VAT)

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

€ 9.78

€ 9.78 Each (Exc. VAT)

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

€ 3,382.47

€ 7.517 Each (On a Reel of 450) (Exc. VAT)

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

€ 3,981.91

€ 4.685 Each (On a Reel of 850) (Exc. VAT)

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

€ 27.34

€ 27.34 Each (Exc. VAT)

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Wurth Elektronik
-
Telecom Transformer
350μH
-
450mΩ
-
-
-
-1.3dB
1:1
-
-
-
-
-
-
-
-
-
-40°C
125°C
-
RoHS Approval (2011/65/EU&2015/863), REACh Approval Conform or declared ((EC)1907/2006)
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-
WE‑BMS
-
-
-
-
-
-
-
-
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

€ 1,104.01

€ 27.60 Each (In a Tray of 40) (Exc. VAT)

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Wurth Elektronik
-
Telecom Transformer
350μH
-
450mΩ
-
-
-
-1.3dB
1:1
-
-
-
-
-
-
-
-
-
-40°C
125°C
-
RoHS Approval (2011/65/EU&2015/863), REACh Approval Conform or declared ((EC)1907/2006)
-
-
WE‑BMS
-
-
-
-
-
-
-
-
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

€ 15.69

€ 15.69 Each (Exc. VAT)

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

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