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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TE Connectivity PCB Pulse Transformer 2:1:1 Turns Ratio, 330 mH Prim. Inductance
RS Stock No.788-183BrandTE ConnectivityManufacturers Part No.800069-SF

€ 294.37

€ 294.37 1 Bag of 50 (Exc. VAT)

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TE Connectivity
Pulse Transformer
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330mH
-
-
0.25A
-
-
-
2:1:1
-
-
PCB
-
-
-
-
-
-
-25°C
75°C
-
6g
IT
16.7mm
17mm
RoHS
500kHz
-
40kHz
-
-
4kV
PCB Terminal
-
EPCOS Surface Pulse Transformer 1 : 0.22 :0.78 Turns Ratio, 4.1 μH Prim. Inductance, 75mΩ Prim. Resistance
RS Stock No.475-544BrandEPCOSManufacturers Part No.B78308X0001

€ 43.89

€ 43.89 Each (Exc. VAT)

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

€ 43.89

€ 43.89 Each (Exc. VAT)

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

€ 46.54

€ 46.54 Each (Exc. VAT)

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Epcos
Pulse Transformer
-
100μH
-
-
-
-
-
-
1:1.08
-
-
Surface
-
-
-
-
-
-
-40°C
150°C
-
-
E10 EM
11.70mm
13.15mm
RoHS
500kHz
11.35mm
100kHz
-
-
3000V ac
-
-
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

€ 61.91

€ 1.238 Each (In a Tube of 50) (Exc. VAT)

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Murata Power Solutions
Pulse Transformer
-
10mH
-
-
-
-
-
-
1:1
-
-
Surface
-
-
-
-
-
-
-
-
-
-
-
-
-
No
-
-
-
-
-
-
-
-
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

€ 1.89

€ 1.89 Each (Exc. VAT)

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Murata Power Solutions
Pulse Transformer
-
10mH
-
-
-
-
-
-
1:1
-
-
Surface
-
-
-
-
-
-
-
-
-
-
-
-
-
No
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-
-
-
-
-
-
-
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

€ 63.13

€ 1.263 Each (In a Tube of 50) (Exc. VAT)

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Murata Power Solutions
Pulse Transformer
-
10mH
-
-
-
-
-
-
1:1
-
-
Surface
-
-
-
-
-
-
-
-
-
-
-
-
-
No
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-
-
-
-
-
-
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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

€ 2.97

€ 2.97 Each (Exc. VAT)

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

€ 122.57

€ 4.086 Each (In a Box of 30) (Exc. VAT)

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

€ 4.83

€ 4.83 Each (Exc. VAT)

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

€ 3.05

€ 3.05 Each (Exc. VAT)

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

€ 4.68

€ 4.68 Each (Exc. VAT)

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

€ 3.05

€ 3.05 Each (Exc. VAT)

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

€ 4.55

€ 4.55 Each (Exc. VAT)

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

€ 1,231.34

€ 1.894 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
-
-
WE‑BMS
7.6mm
9.5mm
RoHS
-
5.5mm
-
-
-
1kV
-
-

€ 1,327.04

€ 2.949 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
-
-
WE‑BMS
15.1mm
14.7mm
RoHS
-
4.75mm
-
-
-
1kV
-
-

€ 1,508.10

€ 1.774 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
-
-
WE‑BMS
9.45mm
15.4mm
RoHS
-
3.45mm
-
-
-
1kV
-
-

€ 1,747.09

€ 3.177 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
-
-
WE‑BMS
15.1mm
14.9mm
RoHS
-
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

€ 13.06

€ 13.06 Each (Exc. VAT)

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

€ 432.15

€ 10.804 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
-
-
WE‑BMS
-
-
RoHS Approval (2011/65/EU&2015/863), REACh Approval Conform or declared ((EC)1907/2006)
-
-
-
-
-
1kV
-
-

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