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

P.O.A.

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1P.O.A.
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TE Connectivity
-
Pulse Transformer
330mH
-
-
0.25A
-
-
-
-
2:1:1
PCB
-
-
-
-
-
-25°C
-
-
-
75°C
17mm
6g
16.7mm
-
RoHS
IT
500kHz
40kHz
PCB Terminal
-
-
4kV
-
EPCOS Surface Pulse Transformer 1 : 0.22 :0.78 Turns Ratio, 4.1 μH Prim. Inductance, 75mΩ Prim. Resistance
EPCOS Surface Pulse 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

€ 91.89

€ 91.89 Each (Exc. VAT)

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1€ 91.89
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Epcos
-
Pulse Transformer
4.1μH
-
75mΩ
-
-
-
-
-
1 : 0.22 :0.78
Surface
-
-
-
-
-
-40°C
-
-
-
150°C
15.8mm
-
12.90mm
11.4mm
IEC 60664-1, 61558-2-16
E13 EMHV
500kHz
100kHz
-
-
-
3000V ac
-
EPCOS Surface Pulse Transformer 1 : 1 :8.42 Turns Ratio, 3 mH Prim. Inductance, 23Ω Prim. Resistance
EPCOS Surface Pulse 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

€ 91.89

€ 91.89 Each (Exc. VAT)

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1€ 91.89
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Epcos
-
Pulse Transformer
3mH
-
23Ω
-
-
-
-
-
1 : 1 :8.42
Surface
-
-
-
-
-
-40°C
-
-
-
125°C
7.6mm
-
8.8mm
7.10mm
RoHS, AEC-Q200
EP6
300kHz
50kHz
-
-
-
200Vrms
-
EPCOS Surface Pulse Transformer 1:1.08 Turns Ratio, 100 μH Prim. Inductance
EPCOS Surface Pulse Transformer 1:1.08 Turns Ratio, 100 μH Prim. Inductance
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RS Stock No.: 475-543Brand: EPCOSManufacturers Part No.: B78307X0001

€ 97.42

€ 97.42 Each (Exc. VAT)

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1€ 97.42
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Epcos
-
Pulse Transformer
100μH
-
-
-
-
-
-
-
1:1.08
Surface
-
-
-
-
-
-40°C
-
-
-
150°C
13.15mm
-
11.70mm
11.35mm
RoHS
E10 EM
500kHz
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.: 279-8049Brand: Murata Power SolutionsManufacturers Part No.: 78615/9JC

€ 167.56

€ 3.351 Each (In a Tube of 50) (Exc. VAT)

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50

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50€ 3.351
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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
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

€ 3.98

€ 3.98 Each (Exc. VAT)

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1€ 3.98
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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
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

€ 167.56

€ 3.351 Each (In a Tube of 50) (Exc. VAT)

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50

Available in multiples of 50
50€ 3.351
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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
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

€ 6.21

€ 6.21 Each (Exc. VAT)

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1€ 6.21
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Murata Power Solutions
-
Pulse Transformer
10mH
-
-
-
-
-
-
-
1:1
Surface
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No
-
-
-
-
-
-
-
-
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

€ 328.16

€ 10.939 Each (In a Box of 30) (Exc. VAT)

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30

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30€ 10.939
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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
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

€ 10.11

€ 10.11 Each (Exc. VAT)

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1

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1€ 10.11
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Murata Power Solutions
-
Pulse Transformer
12mH
-
-
-
-
-
-
-
2:1:1
Through Hole
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No
-
-
-
-
-
-
-
-
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

€ 6.40

€ 6.40 Each (Exc. VAT)

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1€ 6.40
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Wurth Elektronik
-
Telecom Transformer
450μH
-
450mΩ
-
-
-
-0.25dB
-
1:1
Surface
-
-
-
-
-
-40°C
-
-
-
125°C
9.5mm
-
7.6mm
5.5mm
RoHS
WE‑BMS
-
-
-
-
-
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

€ 9.78

€ 9.78 Each (Exc. VAT)

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1€ 9.78
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Wurth Elektronik
-
Telecom Transformer
450μH
-
450mΩ
-
-
-
-0.25dB
-
1:1
Surface
-
-
-
-
-
-40°C
-
-
-
125°C
14.7mm
-
15.1mm
4.75mm
RoHS
WE‑BMS
-
-
-
-
-
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

€ 3,981.91

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

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850

Available in multiples of 850
850€ 4.685
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Wurth Elektronik
-
Telecom Transformer
450μH
-
450mΩ
-
-
-
-0.25dB
-
1:1
Surface
-
-
-
-
-
-40°C
-
-
-
125°C
15.4mm
-
9.45mm
3.45mm
RoHS
WE‑BMS
-
-
-
-
-
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

€ 4,354.79

€ 7.918 Each (On a Reel of 550) (Exc. VAT)

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550

Available in multiples of 550
550€ 7.918
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Wurth Elektronik
-
Telecom Transformer
450μH
-
450mΩ
-
-
-
-0.25dB
-
1:1
Surface
-
-
-
-
-
-40°C
-
-
-
125°C
14.9mm
-
15.1mm
3.45mm
RoHS
WE‑BMS
-
-
-
-
-
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

€ 3,044.99

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

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650

Available in multiples of 650
650€ 4.685
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Wurth Elektronik
-
Telecom Transformer
450μH
-
450mΩ
-
-
-
-0.25dB
-
1:1
Surface
-
-
-
-
-
-40°C
-
-
-
125°C
9.5mm
-
7.6mm
5.5mm
RoHS
WE‑BMS
-
-
-
-
-
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

€ 3,398.40

€ 7.552 Each (On a Reel of 450) (Exc. VAT)

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450

Available in multiples of 450
450€ 7.552
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Wurth Elektronik
-
Telecom Transformer
450μH
-
450mΩ
-
-
-
-0.25dB
-
1:1
Surface
-
-
-
-
-
-40°C
-
-
-
125°C
14.7mm
-
15.1mm
4.75mm
RoHS
WE‑BMS
-
-
-
-
-
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

€ 6.40

€ 6.40 Each (Exc. VAT)

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1

Available in multiples of 1
1€ 6.40
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Wurth Elektronik
-
Telecom Transformer
450μH
-
450mΩ
-
-
-
-0.25dB
-
1:1
Surface
-
-
-
-
-
-40°C
-
-
-
125°C
15.4mm
-
9.45mm
3.45mm
RoHS
WE‑BMS
-
-
-
-
-
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

€ 9.52

€ 9.52 Each (Exc. VAT)

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1

Available in multiples of 1
1€ 9.52
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Wurth Elektronik
-
Telecom Transformer
450μH
-
450mΩ
-
-
-
-0.25dB
-
1:1
Surface
-
-
-
-
-
-40°C
-
-
-
125°C
14.9mm
-
15.1mm
3.45mm
RoHS
WE‑BMS
-
-
-
-
-
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

€ 1,106.84

€ 27.671 Each (In a Tray of 40) (Exc. VAT)

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40

Available in multiples of 40
40€ 27.671
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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
-
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

€ 27.34

€ 27.34 Each (Exc. VAT)

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1

Available in multiples of 1
1€ 27.34
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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
-

...