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

€ 56.35

€ 56.35 Each (Exc. Vat)

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1

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1€ 56.35
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Epcos
Telecom Transformer
-
4.1μH
75mΩ
-
-
-
-
-
1 : 0.22 :0.78
-
-
Surface
-
-
-
-
-
-40°C
-
150°C
-
-
12.90 mm
E13 EMHV
15.8mm
IEC 60664-1, 61558-2-16
500kHz
11.4mm
100kHz
-
3000V ac
-
-
-
EPCOS Surface Telecom Transformer 1 : 1 :8.42 Turns Ratio, 3 mH Prim. Inductance, 23Ω Prim. Resistance
EPCOS Surface Telecom Transformer 1 : 1 :8.42 Turns Ratio, 3 mH Prim. Inductance, 23Ω Prim. Resistance
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RS Stock No.: 475-545Brand: EPCOSManufacturers Part No.: B78416X0001

€ 56.35

€ 56.35 Each (Exc. Vat)

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1€ 56.35
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Epcos
Telecom Transformer
-
3mH
23Ω
-
-
-
-
-
1 : 1 :8.42
-
-
Surface
-
-
-
-
-
-40°C
-
125°C
-
-
8.8 mm
EP6
7.6mm
RoHS, AEC-Q200
300kHz
7.10mm
50kHz
-
200Vrms
-
-
-
EPCOS Surface Telecom Transformer 1:1.08 Turns Ratio, 100 μH Prim. Inductance
EPCOS Surface Telecom Transformer 1:1.08 Turns Ratio, 100 μH Prim. Inductance
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RS Stock No.: 475-543Brand: EPCOSManufacturers Part No.: B78307X0001

€ 58.61

€ 58.61 Each (Exc. Vat)

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1€ 58.61
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Epcos
Telecom Transformer
-
100μH
-
-
-
-
-
-
1:1.08
-
-
Surface
-
-
-
-
-
-40°C
-
150°C
-
-
11.70 mm
E10 EM
13.15mm
RoHS
500kHz
11.35mm
100kHz
-
3000V ac
-
-
-
Murata Power Solutions Surface Pulse Transformer 1:1 Turns Ratio, 10 mH Prim. Inductance
Murata Power Solutions Surface Pulse Transformer 1:1 Turns Ratio, 10 mH Prim. Inductance
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RS Stock No.: 279-8047Brand: Murata Power SolutionsManufacturers Part No.: 78601/9JC

€ 103.54

€ 2.071 Each (In a Tube of 50) (Exc. Vat)

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50

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50€ 2.071
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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
Murata Power Solutions Surface Pulse Transformer 1:1 Turns Ratio, 10 mH Prim. Inductance
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RS Stock No.: 279-8049Brand: Murata Power SolutionsManufacturers Part No.: 78615/9JC

€ 100.40

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

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50

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50€ 2.008
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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
Murata Power Solutions Surface Pulse Transformer 1:1 Turns Ratio, 10 mH Prim. Inductance
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RS Stock No.: 279-8050Brand: Murata Power SolutionsManufacturers Part No.: 78615/9JC

€ 2.45

€ 2.45 Each (Exc. Vat)

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1€ 2.45
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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
Murata Power Solutions Surface Pulse Transformer 1:1 Turns Ratio, 10 mH Prim. Inductance
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RS Stock No.: 279-8048Brand: Murata Power SolutionsManufacturers Part No.: 78601/9JC

€ 3.83

€ 3.83 Each (Exc. Vat)

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1€ 3.83
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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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-
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-
Murata Power Solutions Through Hole Pulse Transformer 2:1:1 Turns Ratio, 12 mH Prim. Inductance
Murata Power Solutions Through Hole Pulse Transformer 2:1:1 Turns Ratio, 12 mH Prim. Inductance
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RS Stock No.: 279-8016Brand: Murata Power SolutionsManufacturers Part No.: 1003C

€ 199.54

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

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30

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30€ 6.652
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Murata Power Solutions
Pulse Transformer
-
12mH
-
-
-
-
-
-
2:1:1
-
-
Through Hole
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-
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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
Murata Power Solutions Through Hole Pulse Transformer 2:1:1 Turns Ratio, 12 mH Prim. Inductance
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RS Stock No.: 279-8017Brand: Murata Power SolutionsManufacturers Part No.: 1003C

€ 7.91

€ 7.91 Each (Exc. Vat)

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1

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1€ 7.91
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Murata Power Solutions
Pulse Transformer
-
12mH
-
-
-
-
-
-
2:1:1
-
-
Through Hole
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-
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No
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Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
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Also available in industry standard packaging
RS Stock No.: 245-8575Brand: Wurth ElektronikManufacturers Part No.: 74941300

€ 3.95

€ 3.95 Each (Exc. Vat)

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1€ 3.95
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Wurth Elektronik
Telecom Transformer
-
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
-
Surface
-
-
-
-
-
-40°C
-
125°C
-
-
7.6 mm
WE‑BMS
9.5mm
RoHS
-
5.5mm
-
-
1kV
-
-
-
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Add to parts list
Also available in industry standard packaging
RS Stock No.: 245-8579Brand: Wurth ElektronikManufacturers Part No.: 74942300

€ 6.02

€ 6.02 Each (Exc. Vat)

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1€ 6.02
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Wurth Elektronik
Telecom Transformer
-
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
-
Surface
-
-
-
-
-
-40°C
-
125°C
-
-
15.1 mm
WE‑BMS
14.7mm
RoHS
-
4.75mm
-
-
1kV
-
-
-
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Add to parts list
RS Stock No.: 245-8576Brand: Wurth ElektronikManufacturers Part No.: 74941302

€ 2,453.52

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

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850

Available in multiples of 850
850€ 2.886
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Wurth Elektronik
Telecom Transformer
-
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
-
Surface
-
-
-
-
-
-40°C
-
125°C
-
-
9.45 mm
WE‑BMS
15.4mm
RoHS
-
3.45mm
-
-
1kV
-
-
-
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
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RS Stock No.: 245-8581Brand: Wurth ElektronikManufacturers Part No.: 74942301

€ 2,830.02

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

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550

Available in multiples of 550
550€ 5.146
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Wurth Elektronik
Telecom Transformer
-
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
-
Surface
-
-
-
-
-
-40°C
-
125°C
-
-
15.1 mm
WE‑BMS
14.9mm
RoHS
-
3.45mm
-
-
1kV
-
-
-
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Add to parts list
RS Stock No.: 245-8573Brand: Wurth ElektronikManufacturers Part No.: 74941300

€ 1,998.59

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

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650

Available in multiples of 650
650€ 3.075
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Wurth Elektronik
Telecom Transformer
-
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
-
Surface
-
-
-
-
-
-40°C
-
125°C
-
-
7.6 mm
WE‑BMS
9.5mm
RoHS
-
5.5mm
-
-
1kV
-
-
-
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Add to parts list
RS Stock No.: 245-8578Brand: Wurth ElektronikManufacturers Part No.: 74942300

€ 2,146.05

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

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450

Available in multiples of 450
450€ 4.769
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Wurth Elektronik
Telecom Transformer
-
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
-
Surface
-
-
-
-
-
-40°C
-
125°C
-
-
15.1 mm
WE‑BMS
14.7mm
RoHS
-
4.75mm
-
-
1kV
-
-
-
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Add to parts list
Also available in industry standard packaging
RS Stock No.: 245-8577Brand: Wurth ElektronikManufacturers Part No.: 74941302

€ 3.95

€ 3.95 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 3.95
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Wurth Elektronik
Telecom Transformer
-
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
-
Surface
-
-
-
-
-
-40°C
-
125°C
-
-
9.45 mm
WE‑BMS
15.4mm
RoHS
-
3.45mm
-
-
1kV
-
-
-
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Wurth Elektronik Surface Telecom Transformer 1:1 Turns Ratio, 450 μH Prim. Inductance, 450mΩ Prim. Resistance
Add to parts list
Also available in industry standard packaging
RS Stock No.: 245-8582Brand: Wurth ElektronikManufacturers Part No.: 74942301

€ 5.84

€ 5.84 Each (Exc. Vat)

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1

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1€ 5.84
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Wurth Elektronik
Telecom Transformer
-
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
-
Surface
-
-
-
-
-
-40°C
-
125°C
-
-
15.1 mm
WE‑BMS
14.9mm
RoHS
-
3.45mm
-
-
1kV
-
-
-
Wurth Elektronik Telecom Transformer 1:1 Turns Ratio, 350 μH Prim. Inductance, 450mΩ Prim. Resistance
Wurth Elektronik Telecom Transformer 1:1 Turns Ratio, 350 μH Prim. Inductance, 450mΩ Prim. Resistance
Add to parts list
RS Stock No.: 245-8585Brand: Wurth ElektronikManufacturers Part No.: 749600010

€ 702.80

€ 17.57 Each (In a Tray of 40) (Exc. Vat)

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40

Available in multiples of 40
40€ 17.57
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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
Wurth Elektronik Telecom Transformer 1:1 Turns Ratio, 350 μH Prim. Inductance, 450mΩ Prim. Resistance
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RS Stock No.: 245-8586Brand: Wurth ElektronikManufacturers Part No.: 749600010

€ 21.21

€ 21.21 Each (Exc. Vat)

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1

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1€ 21.21
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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
-
-
-
OEP Through Hole Pulse Transformer 1:1 Turns Ratio, 1.9 h Prim. Inductance, 32Ω Prim. Resistance
OEP Through Hole Pulse Transformer 1:1 Turns Ratio, 1.9 h Prim. Inductance, 32Ω Prim. Resistance
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RS Stock No.: 533-0176Brand: OEPManufacturers Part No.: Z1640E

€ 9.66

€ 9.66 Each (Exc. Vat)

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1€ 9.66
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OEP
Pulse Transformer
-
1.9h
32Ω
-
-
-
42Ω
1.1dB
1:1
-
-
Through Hole
1.6mH
-
-
-
-
-
-
-
-
-
14.5 mm
-
18mm
RoHS
4kHz
18mm
200Hz
-
-
-
-
-

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