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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 (CHF) 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: 3.80 CHF 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 3.80 CHF 3.54 CHF 3.33 CHF 3.23 CHF View Reel 2.66 CHF 3.14 CHF 3.00 CHF 2.90 CHF 2.67 CHF 2.66 CHF MouseReel Available	Min.: 1 Mult.: 1 : 2 000
	Audio Transformers / Signal Transformers LAN 10/100 Tin Potted PT61017PEL Bourns 1: 1.26 CHF 22 456In 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	22 456In Stock	Cut Tape 1.26 CHF 1.15 CHF 1.07 CHF 1.04 CHF Reel 0.768 CHF View 1.00 CHF 0.748 CHF 0.745 CHF 0.721 CHF MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C PT61020EL Bourns 1: 2.16 CHF 14 717In 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	14 717In Stock	Cut Tape 2.16 CHF 1.97 CHF 1.83 CHF 1.76 CHF Reel 1.60 CHF View 1.68 CHF 1.51 CHF 1.49 CHF 1.46 CHF MouseReel Available	Min.: 1 Mult.: 1 : 700
	Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C PT61018PEL Bourns 1: 1.08 CHF 36In Stock 6 600Expected 24/11/2026	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	36In Stock 6 600Expected 24/11/2026	Cut Tape 1.08 CHF 0.983 CHF 0.917 CHF 0.885 CHF Reel 0.796 CHF View 0.854 CHF 0.753 CHF 0.739 CHF 0.735 CHF MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER PT61022XEL Bourns 1: 3.67 CHF 902In 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	902In Stock	Cut Tape 3.67 CHF 3.02 CHF 2.86 CHF 2.80 CHF Reel 2.63 CHF View 2.71 CHF 2.48 CHF 2.39 CHF	Min.: 1 Mult.: 1 : 500
	Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T SM51589PEL Bourns 1: 2.31 CHF 7 076In Stock 8 050On 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	7 076In Stock 8 050On Order	Cut Tape 2.31 CHF 2.10 CHF 1.95 CHF 1.89 CHF Reel 1.82 CHF View 1.76 CHF 1.73 CHF MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers XFMER 1.2A POE SM51625EL Bourns 1: 2.04 CHF 6 707In Stock 10 500Expected 04/05/2027	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	6 707In Stock 10 500Expected 04/05/2027	Cut Tape 2.04 CHF 1.86 CHF 1.75 CHF 1.69 CHF Reel 1.56 CHF View 1.54 CHF 1.48 CHF 1.47 CHF 1.42 CHF 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: 10.11 CHF 78In Stock 1 600Expected 09/02/2027	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	78In Stock 1 600Expected 09/02/2027	Cut Tape 10.11 CHF 10.10 CHF 8.56 CHF 8.28 CHF Reel 4.75 CHF View 7.98 CHF 5.54 CHF 4.66 CHF MouseReel Available	Min.: 1 Mult.: 1 : 400
	Audio Transformers / Signal Transformers T1/E1 Potted SM75057PEL Bourns 3 600: 1.44 CHF 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 1.44 CHF 1.43 CHF	Min.: 3 600 Mult.: 600 : 600