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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 (KRW) 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: ₩6,651.4 1,928In Stock	Mfr. Part # SM91509AL-E Mouser Part # 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 ₩6,651.4 ₩6,200.5 ₩5,834.1 ₩5,650.9 View Reel ₩4,650.4 ₩5,481.8 ₩5,256.3 ₩5,087.2 ₩4,664.5 ₩4,650.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
	Audio Transformers / Signal Transformers LAN 10/100 Tin Potted PT61017PEL Bourns 1: ₩2,212.4 23,128In Stock	Mfr. Part # PT61017PEL Mouser Part # 652-PT61017PEL	Bourns	Audio Transformers / Signal Transformers LAN 10/100 Tin Potted Learn More about Bourns power supply solutions	Datasheet	23,128In Stock	Cut Tape ₩2,212.4 ₩2,015.2 ₩1,874.2 ₩1,817.9 Reel ₩1,345.8 View ₩1,747.4 ₩1,309.1 ₩1,303.5 ₩1,261.2 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C PT61020EL Bourns 1: ₩3,790.7 15,175In Stock	Mfr. Part # PT61020EL Mouser Part # 652-PT61020EL	Bourns	Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C Learn More about Bourns power supply solutions	Datasheet	15,175In Stock	Cut Tape ₩3,790.7 ₩3,438.4 ₩3,198.9 ₩3,086.1 Reel ₩2,762 View ₩2,931.1 ₩2,635.2 ₩2,564.7 ₩2,508.4 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: ₩17,699.6 84In Stock	Mfr. Part # SM91078L-E Mouser Part # 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	84In Stock	Cut Tape ₩17,699.6 ₩17,685.5 ₩14,993.9 ₩14,500.7 Reel ₩8,328.4 View ₩13,979.3 ₩9,695.3 ₩8,300.2 Quote MouseReel Available	Min.: 1 Mult.: 1 : 400
	Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C PT61018PEL Bourns 1: ₩1,888.3 3,101In Stock 6,600Expected 11/13/2026	Mfr. Part # PT61018PEL Mouser Part # 652-PT61018PEL	Bourns	Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C Learn More about Bourns power supply solutions	Datasheet	3,101In Stock 6,600Expected 11/13/2026	Cut Tape ₩1,888.3 ₩1,719.2 ₩1,606.5 ₩1,536 Reel ₩1,437.4 View ₩1,493.8 ₩1,352.8 ₩1,286.6 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER PT61022XEL Bourns 1: ₩6,426 1,050In Stock	Mfr. Part # PT61022XEL Mouser Part # 652-PT61022XEL	Bourns	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER Learn More about Bourns power supply solutions	Datasheet	1,050In Stock	Cut Tape ₩6,426 ₩5,298.6 ₩5,016.8 ₩4,706.7 Reel ₩4,439 View ₩4,565.8 ₩4,213.5 ₩4,171.2	Min.: 1 Mult.: 1 : 500
	Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T SM51589PEL Bourns 1: ₩4,044.4 3,114In Stock 12,250Expected 11/6/2026	Mfr. Part # SM51589PEL Mouser Part # 652-SM51589PEL	Bourns	Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T Learn More about Bourns SM51589PEL	Datasheet	3,114In Stock 12,250Expected 11/6/2026	Cut Tape ₩4,044.4 ₩3,663.9 ₩3,410.3 ₩3,311.6 Reel ₩3,170.7 View ₩3,086.1 ₩2,917 ₩2,832.5 ₩2,762 MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers XFMER 1.2A POE SM51625EL Bourns 1: ₩3,621.6 7,421In Stock 10,500Expected 5/4/2027	Mfr. Part # SM51625EL Mouser Part # 652-SM51625EL	Bourns	Audio Transformers / Signal Transformers XFMER 1.2A POE Learn More about Bourns SM51625EL lan transformer	Datasheet	7,421In Stock 10,500Expected 5/4/2027	Cut Tape ₩3,621.6 ₩3,297.5 ₩3,128.4 ₩3,001.6 Reel ₩2,649.3 View ₩2,607 ₩2,550.7 ₩2,494.3 MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers T1/E1 Potted SM75057PEL Bourns 3,600: ₩2,522.5 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # SM75057PEL Mouser Part # 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 ₩2,522.5 ₩2,508.4	Min.: 3,600 Mult.: 600 : 600