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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
	Audio Transformers / Signal Transformers LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105C SM91078L-E Bourns 1: € 9,46 1 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	1 145In Stock	Cut Tape € 9,46 € 9,45 € 7,83 € 7,53 Reel € 5,95 View € 7,21 € 7,02 € 4,72 MouseReel Available	Min.: 1 Mult.: 1 : 400
	Power Transformers - Board Mount BMS transformer/CMC,12PIN,DUAL, 4.3KVDC SM91509AL-E Bourns 1: € 4,15 1 938In 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 938In Stock	Cut Tape € 4,15 € 3,71 € 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 24 073In 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	24 073In Stock	Cut Tape € 1,35 € 1,23 € 1,14 € 1,11 Reel € 0,894 View € 1,07 € 0,886 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers XFMER 1.2A POE SM51625EL Bourns 1: € 2,28 9 998In Stock 4 550Expected 12/10/2026	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	9 998In Stock 4 550Expected 12/10/2026	Cut Tape € 2,28 € 2,08 € 1,90 € 1,83 Reel € 1,69 View € 1,64 € 1,57 € 1,55 € 1,44 MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C PT61018PEL Bourns 1: € 1,15 4 448In 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 448In Stock 6 600Expected 29/12/2026	Cut Tape € 1,15 € 1,05 € 0,98 € 0,946 Reel € 0,877 View € 0,912 € 0,829 € 0,798 € 0,785 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C PT61020EL Bourns 1: € 2,31 6 125In Stock 10 500Expected 25/09/2026	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	6 125In Stock 10 500Expected 25/09/2026	Cut Tape € 2,31 € 2,10 € 1,92 € 1,84 Reel € 1,67 View € 1,75 € 1,62 € 1,60 € 1,57 MouseReel Available	Min.: 1 Mult.: 1 : 700
	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER PT61022XEL Bourns 1: € 3,92 1 064In 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 064In Stock	Cut Tape € 3,92 € 3,23 € 3,16 € 3,06 Reel € 2,62 View € 2,77 € 2,70 € 2,53	Min.: 1 Mult.: 1 : 500
	Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T SM51589PEL Bourns 1: € 2,47 1 535In Stock 17 150On 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 535In Stock 17 150On Order On Order Ship Dates Mfr. No: SM51589PEL Stock: 1 535 Can Dispatch Immediately On Order: 4 900 Expected 04/11/2026 12 250 Expected 08/12/2026 Factory Lead Time: 20 Weeks	Cut Tape € 2,47 € 2,24 € 2,07 € 1,99 Reel € 1,86 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 € 1,39	Min.: 3 600 Mult.: 600 : 600