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

€ 380.26

€ 380.26 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
-
17mm
500kHz
6g
IT
RoHS
-
16.7mm
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

€ 71.54

€ 71.54 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
-
15.8mm
500kHz
-
E13 EMHV
IEC 60664-1, 61558-2-16
11.4mm
12.90mm
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

€ 71.54

€ 71.54 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
-
7.6mm
300kHz
-
EP6
RoHS, AEC-Q200
7.10mm
8.8mm
50kHz
200Vrms
-
-
-
-
EPCOS Surface Pulse Transformer 1:1.08 Turns Ratio, 100 μH Prim. Inductance
RS Stock No.475-543BrandEPCOSManufacturers Part No.B78307X0001

€ 75.93

€ 75.93 Each (Exc. Vat)

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

€ 100.40

€ 2.008 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

€ 2.45

€ 2.45 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

€ 103.54

€ 2.071 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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-
-
-
-
-
-
-
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

€ 3.83

€ 3.83 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

€ 199.54

€ 6.652 Each (In a Box of 30) (Exc. Vat)

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Murata Power Solutions
Pulse Transformer
-
12mH
-
-
-
-
-
-
-
2:1:1
-
Through Hole
-
-
-
-
-
-
-
-
-
-
-
-
-
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

€ 7.91

€ 7.91 Each (Exc. Vat)

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

€ 3.95

€ 3.95 Each (Exc. Vat)

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

€ 6.02

€ 6.02 Each (Exc. Vat)

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

€ 2,453.52

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

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

€ 2,864.54

€ 5.208 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
-
14.9mm
-
-
WE‑BMS
RoHS
3.45mm
15.1mm
-
1kV
-
-
-
-

€ 3.95

€ 3.95 Each (Exc. Vat)

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

€ 5.90

€ 5.90 Each (Exc. Vat)

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

€ 1,998.59

€ 3.075 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
-
9.5mm
-
-
WE‑BMS
RoHS
5.5mm
7.6mm
-
1kV
-
-
-
-

€ 2,174.29

€ 4.832 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
-
14.7mm
-
-
WE‑BMS
RoHS
4.75mm
15.1mm
-
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

€ 702.80

€ 17.57 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
-
-
-
-
Wurth Elektronik Telecom Transformer 1:1 Turns Ratio, 350 μH Prim. Inductance, 450mΩ Prim. Resistance
RS Stock No.245-8586BrandWurth ElektronikManufacturers Part No.749600010

€ 21.34

€ 21.34 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
-
-
-
-

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