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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 components in any telecommunications system. Other types of equipment, such as resistors and capacitors, are sometimes used to achieve the same goals that a telecom transformer achieves. However, telecom transformers perform these tasks with a greater degree of efficiency and ease of use, and thus are more commonly used than their alternatives.

Types of telecom transformers

Telecom transformers are designed with different types of inductance, mounting styles and other specifications that dictate whether those devices will be appropriate for a given application or use in a given device.

They can be mounted in different ways. Some designs are surface mounted, while others are mounted through the holes in a breadboard.

266 Products showing for Pulse Transformers

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In Stock OEP Through Hole Pulse Transformer 1:1+1 Turns Ratio, 3 mH Prim. Inductance, 1.4Ω Prim. Resistance RS Stock No. 210-6324 Mfr. Part No. PT6E Subtotal (1 unit) £6.31(exc. VAT) £6.31/unit Quantity	OEP	3mH	Pulse Transformer	1.4Ω	-	2.6Ω	-	1:1+1	Through Hole	-	-	-	16mm	15mm	-	-	-	15mm	1MHz	-	No	-	3kHz
In Stock OEP Through Hole Pulse Transformer 1:1 Turns Ratio, 4.15 h Prim. Inductance, 65Ω Prim. Resistance RS Stock No. 210-6223 Mfr. Part No. OEP1200 Subtotal (1 unit) £2.82(exc. VAT) £2.82/unit Quantity	OEP	4.15h	Pulse Transformer	65Ω	-	65Ω	1.3dB	1:1	Through Hole	-	20mH	-	12.5mm	18mm	0°C	-	70°C	18mm	4kHz	-	BS6305, BABT CR/0126, EN41003, EN60950	-	300Hz
In Stock Schaffner Through Hole Pulse Transformer 1:1 Turns Ratio, 22 mH Prim. Inductance RS Stock No. 173-6384 Mfr. Part No. IT255 Subtotal (1 unit) £4.95(exc. VAT) £4.95/unit Quantity	Schaffner	22mH	Pulse Transformer	-	3A	-	-	1:1	Through Hole	-	-	-	11.3mm	16.7mm	-25°C	-	70°C	17.6mm	500kHz	IT	UL 94 V-0	-	-
In Stock OEP Through Hole Pulse Transformer 1:1 Turns Ratio, 3 mH Prim. Inductance, 1.1Ω Prim. Resistance RS Stock No. 196-375 Mfr. Part No. PT6 Subtotal (1 unit) £4.84(exc. VAT) £4.84/unit Quantity	OEP	3mH	Pulse Transformer	1.1Ω	-	0.9Ω	-	1:1	Through Hole	-	19μH	-	15mm	13mm	-	-	-	13mm	1MHz	-	No	-	3kHz
In Stock Wurth Elektronik Surface Pulse Transformer 1:10 Turns Ratio, 100 μH Prim. Inductance, 0.22Ω Prim. Resistance RS Stock No. 756-7409 Mfr. Part No. 750311486 Subtotal (1 unit) £4.43(exc. VAT) £4.43/unit Quantity	Wurth Elektronik	100μH	Pulse Transformer	0.22Ω	-	31Ω	-	1:10	Surface	-	4.5μH	-	12.7mm	17.75mm	-40°C	10	125°C	13.46mm	-	WE‑FB	RoHS	-	-
In Stock Murata Power Solutions PCB Pulse Transformer 1:1:1 Turns Ratio, 3 mH Prim. Inductance, 1.4Ω Prim. Resistance RS Stock No. 800-4344 Mfr. Part No. 1002C Subtotal (1 unit) £4.57(exc. VAT) £4.57/unit Quantity	Murata Power Solutions	3mH	Pulse Transformer	1.4Ω	-	1.7Ω	-	1:1:1	PCB	-	9μH	-	15.75mm	15.06mm	0°C	6	70°C	15.06mm	-	1000	UL, RoHS	8g	-
In Stock OEP Through Hole Pulse Transformer 1:1 Turns Ratio, 65Ω Prim. Resistance RS Stock No. 210-6251 Mfr. Part No. Z1260 Subtotal (1 unit) £8.68(exc. VAT) £8.68/unit Quantity	OEP	-	Pulse Transformer	65Ω	-	65Ω	1.5dB	1:1	Through Hole	-	-	-	15mm	19mm	-	-	-	11mm	-	-	EN41003, EN60950, BS6305, BABT CR/0126	-	-
In Stock Schaffner Through Hole Pulse Transformer 1:1 Turns Ratio, 2.5 mH Prim. Inductance, 0.62Ω Prim. Resistance RS Stock No. 173-6429 Mfr. Part No. IT258 Subtotal (1 unit) £9.05(exc. VAT) £9.05/unit Quantity	Schaffner	2.5mH	Pulse Transformer	0.62Ω	3A	0.75Ω	-	1:1	Through Hole	-	-	-	11.3mm	16.7mm	-25°C	4	70°C	17.6mm	40kHz	IT	RoHS	6g	40kHz
In Stock OEP Through Hole Pulse Transformer 1:1 Turns Ratio, 19 μH Prim. Inductance, 1.1Ω Prim. Resistance RS Stock No. 196-369 Mfr. Part No. PT4 Subtotal (1 unit) £4.95(exc. VAT) £4.95/unit Quantity	OEP	19μH	Pulse Transformer	1.1Ω	-	0.9Ω	-	1:1	Through Hole	-	19μH	-	15mm	13mm	-	-	-	13mm	1MHz	-	No	-	3kHz
Last RS stock Wurth Elektronik Surface Pulse Transformer 1:3 Turns Ratio, 6.78 μH Prim. Inductance, 0.02Ω Prim. Resistance RS Stock No. 756-7468 Mfr. Part No. 750311911 Subtotal (1 unit) £7.71(exc. VAT) £7.71/unit Quantity	Wurth Elektronik	6.78μH	Pulse Transformer	0.02Ω	-	0.45, 0.47Ω	-	1:3	Surface	-	200nH	-	16mm	25mm	-40°C	14	125°C	22.2mm	-	-	RoHS	-	-
In Stock OEP Through Hole Pulse Transformer 1:1 Turns Ratio, 68Ω Prim. Resistance RS Stock No. 210-6245 Mfr. Part No. Z1612E Subtotal (1 unit) £7.75(exc. VAT) £7.75/unit Quantity	OEP	-	Pulse Transformer	68Ω	-	68Ω	1.5dB	1:1	Through Hole	-	4mH	-	18mm	18mm	-	4	-	12.5mm	-	-	EN60950EN41003BABT Certificate of Recognition CR/0126BS6305UL94-V0	-	-
Stocked by manufacturer Legrand DIN Rail Pulse Transformer RS Stock No. 266-0404 Mfr. Part No. 0 442 54 Subtotal (1 unit) £344.13(exc. VAT) £344.13/unit Quantity	Legrand	-	Pulse Transformer	-	-	-	-	-	DIN Rail	-	-	-	-	-	-	-	-	-	-	-	No	-	-
In Stock OEP Surface, Through Hole Pulse Transformer 1:1 Turns Ratio, 2 h Prim. Inductance, 45Ω Prim. Resistance RS Stock No. 533-0160 Mfr. Part No. Z1258E Subtotal (1 unit) £7.68(exc. VAT) £7.68/unit Quantity	OEP	2h	Pulse Transformer	45Ω	-	45Ω	1.1dB	1:1	Surface, Through Hole	-	1.3mH	-	11.3mm	19mm	-	-	-	15mm	5kHz	-	EN60950, EN41003, BABT	-	50Hz
In Stock OEP Through Hole Pulse Transformer 2:1+1 Turns Ratio, 4Ω Prim. Resistance RS Stock No. 196-454 Mfr. Part No. PT8 Subtotal (1 unit) £5.19(exc. VAT) £5.19/unit Quantity	OEP	-	Pulse Transformer	4Ω	-	4.2Ω	-	2:1+1	Through Hole	-	-	-	15mm	13mm	-	-	-	13mm	1MHz	-	No	-	3kHz
Stocked by manufacturer Legrand DIN Rail Pulse Transformer RS Stock No. 266-0405 Mfr. Part No. 0 442 55 Subtotal (1 unit) £436.21(exc. VAT) £436.21/unit Quantity	Legrand	-	Pulse Transformer	-	-	-	-	-	DIN Rail	-	-	-	-	-	-	-	-	-	-	-	No	-	-
In Stock Murata Power Solutions Through Hole Pulse Transformer 1:1:1 Turns Ratio, 67 μH Prim. Inductance, 0.18Ω Prim. Resistance RS Stock No. 715-6973 Mfr. Part No. 78602/4C Subtotal (1 unit) £1.33(exc. VAT) £1.33/unit Quantity	Murata Power Solutions	67μH	Pulse Transformer	0.18Ω	-	-	-	1:1:1	Through Hole	-	0.11μH	-	6.35mm	9.52mm	0°C	6	70°C	9mm	-	786	RoHS	1.1g	-
Last RS stock OEP Through Hole Pulse Transformer 1:1 Turns Ratio, 2.5 mH Prim. Inductance RS Stock No. 667-5966 Mfr. Part No. LAD4613 Subtotal (1 unit) £6.88(exc. VAT) £6.88/unit Quantity	OEP	2.5mH	Pulse Transformer	-	-	-	-	1:1	Through Hole	-	0.5μH	-	6.35mm	10.16mm	0°C	-	70°C	8.89mm	55MHz	LAD4613	No	-	100kHz
New product - Preorder today TE Connectivity PCB Pulse Transformer 2:1:1 Turns Ratio, 330 mH Prim. Inductance RS Stock No. 788-183 Mfr. Part No. 800069-SF Subtotal (1 bag of 50 units) £254.84(exc. VAT) £254.84/bag Quantity	TE Connectivity	330mH	Pulse Transformer	-	0.25A	-	-	2:1:1	PCB	-	-	-	-	17mm	-25°C	-	75°C	16.7mm	500kHz	IT	RoHS	6g	40kHz
In Stock TDK Surface Pulse Transformer 1CT:1CT Turns Ratio RS Stock No. 916-4162P Mfr. Part No. ALT4532M-201-T001 Subtotal 5 units (supplied on a continuous strip) £4.59(exc. VAT) £0.918/unit Quantity	TDK	-	Pulse Transformer	-	-	-	1.5dB	1CT:1CT	Surface	-	-	-	2.9mm	4.5mm	-40°C	6	85°C	3.2mm	-	ALT	RoHS	120mg	-
In Stock OEP Through Hole Pulse Transformer 1:1 Turns Ratio, 1.9 h Prim. Inductance, 32Ω Prim. Resistance RS Stock No. 533-0176 Mfr. Part No. Z1640E Subtotal (1 unit) £6.49(exc. VAT) £6.49/unit Quantity	OEP	1.9h	Pulse Transformer	32Ω	-	42Ω	1.1dB	1:1	Through Hole	-	1.6mH	-	18mm	18mm	-	-	-	14.5mm	4kHz	-	RoHS	-	200Hz