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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
	Audio Transformers / Signal Transformers LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105C SM91078L-E Bourns 1: NT$394.35 1,145In 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	1,145In Stock	Cut Tape NT$394.35 NT$393.99 NT$326.24 NT$313.69 Reel NT$248.08 View NT$300.42 NT$292.54 NT$196.82 MouseReel Available	Min.: 1 Mult.: 1 : 400
	Power Transformers - Board Mount BMS transformer/CMC,12PIN,DUAL, 4.3KVDC SM91509AL-E Bourns 1: NT$173.16 1,938In 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	1,938In Stock	Cut Tape NT$173.16 NT$154.51 NT$148.42 NT$143.76 View Reel NT$120.10 NT$139.46 NT$133.72 NT$129.42 NT$120.46 NT$120.10 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
	Audio Transformers / Signal Transformers LAN 10/100 Tin Potted PT61017PEL Bourns 1: NT$56.28 24,073In 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	24,073In Stock	Cut Tape NT$56.28 NT$51.27 NT$47.68 NT$46.25 Reel NT$37.28 View NT$44.45 NT$36.93 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers XFMER 1.2A POE SM51625EL Bourns 1: NT$95.00 9,998In Stock 4,550Expected 10/12/2026	Mfr. Part # SM51625EL Mouser Part # 652-SM51625EL	Bourns	Audio Transformers / Signal Transformers XFMER 1.2A POE Learn More about Bourns SM51625EL lan transformer	Datasheet	9,998In Stock 4,550Expected 10/12/2026	Cut Tape NT$95.00 NT$86.76 NT$79.23 NT$76.36 Reel NT$70.62 View NT$68.47 NT$65.61 NT$64.53 NT$60.23 MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C PT61018PEL Bourns 1: NT$48.04 4,448In Stock 6,600Expected 12/29/2026	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	4,448In Stock 6,600Expected 12/29/2026	Cut Tape NT$48.04 NT$43.74 NT$40.87 NT$39.44 Reel NT$36.57 View NT$38.00 NT$34.56 NT$33.27 NT$32.73 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C PT61020EL Bourns 1: NT$96.44 6,125In Stock 10,500Expected 9/25/2026	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	6,125In Stock 10,500Expected 9/25/2026	Cut Tape NT$96.44 NT$87.47 NT$79.95 NT$76.72 Reel NT$69.55 View NT$73.13 NT$65.96 NT$65.25 NT$62.74 MouseReel Available	Min.: 1 Mult.: 1 : 700
	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER PT61022XEL Bourns 1: NT$163.48 1,064In Stock	Mfr. Part # PT61022XEL Mouser Part # 652-PT61022XEL	Bourns	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER Learn More about Bourns power supply solutions	Datasheet	1,064In Stock	Cut Tape NT$163.48 NT$134.80 NT$131.93 NT$127.63 Reel NT$109.34 View NT$115.44 NT$112.57 NT$105.40	Min.: 1 Mult.: 1 : 500
	Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T SM51589PEL Bourns 1: NT$102.89 1,535In Stock 17,150On Order	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	1,535In Stock 17,150On Order On Order Ship Dates Mfr. #: SM51589PEL Stock: 1,535 Can Ship Immediately On Order: 4,900 Expected 11/4/2026 12,250 Expected 12/8/2026 Factory Lead-Time: 20 Weeks	Cut Tape NT$102.89 NT$93.21 NT$86.40 NT$82.81 Reel NT$77.44 View NT$74.93 NT$70.98 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$58.08	Min.: 3,600 Mult.: 600 : 600