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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 (GBP) 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: £3.68 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 £3.68 £3.30 £3.11 £3.01 View Reel £2.51 £2.92 £2.80 £2.71 £2.52 £2.51 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
	Audio Transformers / Signal Transformers LAN 10/100 Tin Potted PT61017PEL Bourns 1: £1.18 23,845In 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	23,845In Stock	Cut Tape £1.18 £1.07 £0.995 £0.969 Reel £0.773 View £0.934 £0.751 £0.738 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C PT61020EL Bourns 1: £2.02 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 £2.02 £1.83 £1.70 £1.64 Reel £1.48 View £1.56 £1.41 £1.37 £1.34 MouseReel Available	Min.: 1 Mult.: 1 : 700
	Audio Transformers / Signal Transformers LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105C SM91078L-E Bourns 1: £9.43 144In 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	144In Stock	Cut Tape £9.43 £9.42 £7.99 £7.73 Reel £4.43 View £7.45 £5.17 £4.35 MouseReel Available	Min.: 1 Mult.: 1 : 400
	Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C PT61018PEL Bourns 1: £1.00 3,118In Stock 6,600Expected 09/12/2026	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	3,118In Stock 6,600Expected 09/12/2026	Cut Tape £1.00 £0.917 £0.856 £0.818 Reel £0.766 View £0.796 £0.721 £0.685 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER PT61022XEL Bourns 1: £3.42 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 £3.42 £2.82 £2.67 £2.51 Reel £2.37 View £2.44 £2.24 £2.23	Min.: 1 Mult.: 1 : 500
	Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T SM51589PEL Bourns 1: £2.16 3,214In Stock 12,250Expected 06/11/2026	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	3,214In Stock 12,250Expected 06/11/2026	Cut Tape £2.16 £1.96 £1.82 £1.76 Reel £1.69 View £1.64 £1.63 MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers XFMER 1.2A POE SM51625EL Bourns 1: £1.93 7,486In 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	7,486In Stock 10,500Expected 04/05/2027	Cut Tape £1.93 £1.75 £1.67 £1.60 Reel £1.46 View £1.43 £1.39 £1.33 MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers T1/E1 Potted SM75057PEL Bourns 3,600: £1.34 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 £1.34 £1.24	Min.: 3,600 Mult.: 600 : 600