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

€ 34.26

€ 34.26 Each (Exc. VAT)

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1

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1€ 34.26
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Epcos
-
Telecom Transformer
4.1μH
75mΩ
-
-
-
-
-
1 : 0.22 :0.78
-
Surface
-
-
-
-
-
-40°C
-
-
150°C
-
12.90 mm
-
500kHz
E13 EMHV
IEC 60664-1, 61558-2-16
11.4mm
15.8mm
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

€ 34.26

€ 34.26 Each (Exc. VAT)

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1

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1€ 34.26
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Epcos
-
Telecom Transformer
3mH
23Ω
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-
-
-
1 : 1 :8.42
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
-
8.8 mm
-
300kHz
EP6
RoHS, AEC-Q200
7.10mm
7.6mm
50kHz
-
200Vrms
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-
-
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

€ 35.63

€ 35.63 Each (Exc. VAT)

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1

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1€ 35.63
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Epcos
-
Telecom Transformer
100μH
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-
-
-
-
-
1:1.08
-
Surface
-
-
-
-
-
-40°C
-
-
150°C
-
11.70 mm
-
500kHz
E10 EM
RoHS
11.35mm
13.15mm
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

€ 61.70

€ 1.234 Each (In a Tube of 50) (Exc. VAT)

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50

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50€ 1.234
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Murata Power Solutions
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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
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

€ 2.90

€ 2.90 Each (Exc. VAT)

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1

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1€ 2.90
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Murata Power Solutions
-
Pulse Transformer
10mH
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-
-
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-
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

€ 60.50

€ 1.21 Each (In a Tube of 50) (Exc. VAT)

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50

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50€ 1.21
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Murata Power Solutions
-
Pulse Transformer
10mH
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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
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

€ 1.85

€ 1.85 Each (Exc. VAT)

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1

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1€ 1.85
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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 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

€ 119.81

€ 3.994 Each (In a Box of 30) (Exc. VAT)

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30

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30€ 3.994
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Murata Power Solutions
-
Pulse Transformer
12mH
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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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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

€ 4.72

€ 4.72 Each (Exc. VAT)

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1

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1€ 4.72
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Murata Power Solutions
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Pulse Transformer
12mH
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2:1:1
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Through Hole
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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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RS Stock No.: 245-8573Brand: Wurth ElektronikManufacturers Part No.: 74941300

€ 1,215.67

€ 1.87 Each (On a Reel of 650) (Exc. VAT)

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650

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650€ 1.87
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Wurth Elektronik
-
Telecom Transformer
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
-
7.6 mm
-
-
WE‑BMS
RoHS
5.5mm
9.5mm
-
-
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.: 245-8577Brand: Wurth ElektronikManufacturers Part No.: 74941302

€ 3.01

€ 3.01 Each (Exc. VAT)

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1

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1€ 3.01
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Wurth Elektronik
-
Telecom Transformer
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
-
9.45 mm
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-
WE‑BMS
RoHS
3.45mm
15.4mm
-
-
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

€ 4.49

€ 4.49 Each (Exc. VAT)

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1

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1€ 4.49
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Wurth Elektronik
-
Telecom Transformer
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
-
15.1 mm
-
-
WE‑BMS
RoHS
3.45mm
14.9mm
-
-
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

€ 4.62

€ 4.62 Each (Exc. VAT)

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1

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1€ 4.62
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Wurth Elektronik
-
Telecom Transformer
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
-
15.1 mm
-
-
WE‑BMS
RoHS
4.75mm
14.7mm
-
-
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.: 245-8575Brand: Wurth ElektronikManufacturers Part No.: 74941300

€ 3.01

€ 3.01 Each (Exc. VAT)

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1

Available in multiples of 1
1€ 3.01
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Wurth Elektronik
-
Telecom Transformer
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
-
7.6 mm
-
-
WE‑BMS
RoHS
5.5mm
9.5mm
-
-
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.: 245-8581Brand: Wurth ElektronikManufacturers Part No.: 74942301

€ 1,724.86

€ 3.136 Each (On a Reel of 550) (Exc. VAT)

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550

Available in multiples of 550
550€ 3.136
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Wurth Elektronik
-
Telecom Transformer
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
-
15.1 mm
-
-
WE‑BMS
RoHS
3.45mm
14.9mm
-
-
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

€ 1,488.91

€ 1.752 Each (On a Reel of 850) (Exc. VAT)

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850

Available in multiples of 850
850€ 1.752
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Wurth Elektronik
-
Telecom Transformer
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
-
9.45 mm
-
-
WE‑BMS
RoHS
3.45mm
15.4mm
-
-
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

€ 1,310.15

€ 2.911 Each (On a Reel of 450) (Exc. VAT)

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450

Available in multiples of 450
450€ 2.911
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Wurth Elektronik
-
Telecom Transformer
450μH
450mΩ
-
-
-
-
-0.25dB
1:1
-
Surface
-
-
-
-
-
-40°C
-
-
125°C
-
15.1 mm
-
-
WE‑BMS
RoHS
4.75mm
14.7mm
-
-
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.: 245-8586Brand: Wurth ElektronikManufacturers Part No.: 749600010

€ 12.90

€ 12.90 Each (Exc. VAT)

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1

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1€ 12.90
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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
Add to parts list
RS Stock No.: 245-8585Brand: Wurth ElektronikManufacturers Part No.: 749600010

€ 426.65

€ 10.666 Each (In a Tray of 40) (Exc. VAT)

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40

Available in multiples of 40
40€ 10.666
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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

€ 7.40

€ 7.40 Each (Exc. VAT)

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1

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1€ 7.40
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OEP
-
Pulse Transformer
1.9h
32Ω
-
-
42Ω
-
1.1dB
1:1
-
Through Hole
-
-
1.6mH
-
-
-
-
-
-
-
14.5 mm
-
4kHz
-
RoHS
18mm
18mm
200Hz
-
-
-
-
-

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