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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 (TWD) 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: NT$169.21 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 NT$169.21 NT$157.74 NT$148.42 NT$143.76 View Reel NT$118.31 NT$139.46 NT$133.72 NT$129.42 NT$118.66 NT$118.31 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
	Audio Transformers / Signal Transformers LAN 10/100 Tin Potted PT61017PEL Bourns 1: NT$56.28 23,117In 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	23,117In Stock	Cut Tape NT$56.28 NT$51.27 NT$47.68 NT$46.25 Reel NT$34.24 View NT$44.45 NT$33.30 NT$33.16 NT$32.09 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C PT61020EL Bourns 1: NT$96.44 14,992In 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	14,992In Stock	Cut Tape NT$96.44 NT$87.47 NT$81.38 NT$78.51 Reel NT$70.27 View NT$74.57 NT$67.04 NT$65.25 NT$63.81 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: NT$450.28 84In Stock 1,600On Order	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 1,600On Order On Order Ship Dates Mfr. #: SM91078L-E Stock: 84 Can Ship Immediately On Order: 800 Expected 3/19/2027 800 Expected 7/6/2027 Factory Lead-Time: 20 Weeks	Cut Tape NT$450.28 NT$449.92 NT$381.44 NT$368.90 Reel NT$211.87 View NT$355.63 NT$246.65 NT$211.16 Quote MouseReel Available	Min.: 1 Mult.: 1 : 400
	Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C PT61018PEL Bourns 1: NT$48.04 3,081In 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	3,081In Stock 6,600Expected 11/13/2026	Cut Tape NT$48.04 NT$43.74 NT$40.87 NT$39.08 Reel NT$36.57 View NT$38.00 NT$34.42 NT$32.73 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER PT61022XEL Bourns 1: NT$163.48 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 NT$163.48 NT$134.80 NT$127.63 NT$119.74 Reel NT$112.93 View NT$116.15 NT$107.19 NT$106.12	Min.: 1 Mult.: 1 : 500
	Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T SM51589PEL Bourns 1: NT$102.89 3,084In 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	3,084In Stock 12,250Expected 11/6/2026	Cut Tape NT$102.89 NT$93.21 NT$86.76 NT$84.25 Reel NT$80.66 View NT$78.51 NT$74.21 NT$72.06 NT$70.27 MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers XFMER 1.2A POE SM51625EL Bourns 1: NT$92.13 6,721In 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	6,721In Stock 10,500Expected 5/4/2027	Cut Tape NT$92.13 NT$83.89 NT$79.59 NT$76.36 Reel NT$67.40 View NT$66.32 NT$64.89 NT$63.45 MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers T1/E1 Potted SM75057PEL Bourns 3,600: NT$64.17 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 NT$64.17 NT$63.81	Min.: 3,600 Mult.: 600 : 600