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Telecom Transformers

Bourns Telecom Transformers include LAN transformers, surface-mount chip inductors, power chokes, chip beads, chip bead arrays, and radial-leaded and axial-leaded inductors. This Bourns product line also includes AEC-Q200-compliant transformers for automotive uses.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
	Power Transformers - Board Mount BMS transformer/CMC,12PIN,DUAL, 4.3KVDC SM91509AL-E Bourns 1: 4,21 € 1 928In Stock	Mfr. Part No. SM91509AL-E Mouser Part No 652-SM91509AL-E	Bourns	Power Transformers - Board Mount BMS transformer/CMC,12PIN,DUAL, 4.3KVDC Learn More about Bourns bms transformers	Datasheet	1 928In Stock	Cut Tape 4,21 € 3,78 € 3,56 € 3,45 € View Reel 2,88 € 3,35 € 3,21 € 3,10 € 2,89 € 2,88 € MouseReel Available	Min.: 1 Mult.: 1 : 2 000
	Audio Transformers / Signal Transformers LAN 10/100 Tin Potted PT61017PEL Bourns 1: 1,35 € 23 887In Stock	Mfr. Part No. PT61017PEL Mouser Part No 652-PT61017PEL	Bourns	Audio Transformers / Signal Transformers LAN 10/100 Tin Potted Learn More about Bourns power supply solutions	Datasheet	23 887In Stock	Cut Tape 1,35 € 1,23 € 1,14 € 1,11 € Reel 0,886 € View 1,07 € 0,86 € 0,845 € MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C PT61020EL Bourns 1: 2,31 € 15 635In Stock	Mfr. Part No. PT61020EL Mouser Part No 652-PT61020EL	Bourns	Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C Learn More about Bourns power supply solutions	Datasheet	15 635In Stock	Cut Tape 2,31 € 2,10 € 1,95 € 1,88 € Reel 1,69 € View 1,79 € 1,61 € 1,57 € 1,53 € MouseReel Available	Min.: 1 Mult.: 1 : 700
	Audio Transformers / Signal Transformers XFMER 1.2A POE SM51625EL Bourns 1: 2,24 € 7 688In Stock	Mfr. Part No. SM51625EL Mouser Part No 652-SM51625EL	Bourns	Audio Transformers / Signal Transformers XFMER 1.2A POE Learn More about Bourns SM51625EL lan transformer	Datasheet	7 688In Stock	Cut Tape 2,24 € 2,05 € 1,94 € 1,87 € Reel 1,67 € View 1,64 € 1,59 € 1,56 € 1,52 € MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105C SM91078L-E Bourns 1: 9,43 € 145In Stock	Mfr. Part No. SM91078L-E Mouser Part No 652-SM91078L-E	Bourns	Audio Transformers / Signal Transformers LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105C Learn More about Bourns sm91078l transformer	Datasheet	145In Stock	Cut Tape 9,43 € 7,79 € 7,49 € 7,17 € Reel 4,89 € View 5,58 € 4,83 € 4,77 € MouseReel Available	Min.: 1 Mult.: 1 : 400
	Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C PT61018PEL Bourns 1: 1,15 € 4 128In Stock 6 600Expected 29/12/2026	Mfr. Part No. PT61018PEL Mouser Part No 652-PT61018PEL	Bourns	Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C Learn More about Bourns power supply solutions	Datasheet	4 128In Stock 6 600Expected 29/12/2026	Cut Tape 1,15 € 1,05 € 0,98 € 0,929 € Reel 0,877 € View 0,912 € 0,829 € 0,798 € 0,785 € MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER PT61022XEL Bourns 1: 3,92 € 1 050In Stock	Mfr. Part No. PT61022XEL Mouser Part No 652-PT61022XEL	Bourns	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER Learn More about Bourns power supply solutions	Datasheet	1 050In Stock	Cut Tape 3,92 € 3,23 € 3,06 € 2,87 € Reel 2,71 € View 2,79 € 2,57 € 2,55 €	Min.: 1 Mult.: 1 : 500
	Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T SM51589PEL Bourns 1: 2,47 € 1 996In Stock 13 650On Order	Mfr. Part No. SM51589PEL Mouser Part No 652-SM51589PEL	Bourns	Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T Learn More about Bourns SM51589PEL	Datasheet	1 996In Stock 13 650On Order On Order Ship Dates Mfr. No: SM51589PEL Stock: 1 996 Can Dispatch Immediately On Order: 1 400 Pending 12 250 Expected 02/12/2026 Factory Lead Time: 20 Weeks	Cut Tape 2,47 € 2,24 € 2,08 € 2,02 € Reel 2,00 € 1,97 € MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers T1/E1 Potted SM75057PEL Bourns 3 600: 1,54 € Non-Stocked Lead-Time 20 Weeks	Mfr. Part No. SM75057PEL Mouser Part No 652-SM75057PEL	Bourns	Audio Transformers / Signal Transformers T1/E1 Potted Learn More about Bourns SM7505xPEL T1E1 transformers	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape 1,54 € 1,42 €	Min.: 3 600 Mult.: 600 : 600