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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 (THB) 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: ฿366.52 1,145In 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	1,145In Stock	Cut Tape ฿366.52 ฿366.19 ฿303.21 ฿291.55 Reel ฿230.57 View ฿279.22 ฿271.89 ฿182.93 MouseReel Available	Min.: 1 Mult.: 1 : 400
	Power Transformers - Board Mount BMS transformer/CMC,12PIN,DUAL, 4.3KVDC SM91509AL-E Bourns 1: ฿160.94 1,938In 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	1,938In Stock	Cut Tape ฿160.94 ฿143.61 ฿137.94 ฿133.61 View Reel ฿111.62 ฿129.61 ฿124.28 ฿120.29 ฿111.96 ฿111.62 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
	Audio Transformers / Signal Transformers LAN 10/100 Tin Potted PT61017PEL Bourns 1: ฿52.31 24,073In 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	24,073In Stock	Cut Tape ฿52.31 ฿47.65 ฿44.32 ฿42.98 Reel ฿34.65 View ฿41.32 ฿34.32 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers XFMER 1.2A POE SM51625EL Bourns 1: ฿88.30 9,998In Stock 4,550Expected 10/12/2026	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	9,998In Stock 4,550Expected 10/12/2026	Cut Tape ฿88.30 ฿80.63 ฿73.64 ฿70.97 Reel ฿65.64 View ฿63.64 ฿60.98 ฿59.98 ฿55.98 MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C PT61018PEL Bourns 1: ฿44.65 4,438In Stock 6,600Expected 12/29/2026	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	4,438In Stock 6,600Expected 12/29/2026	Cut Tape ฿44.65 ฿40.65 ฿37.98 ฿36.65 Reel ฿33.99 View ฿35.32 ฿32.12 ฿30.92 ฿30.42 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C PT61020EL Bourns 1: ฿89.63 6,825In Stock 10,500Expected 9/25/2026	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	6,825In Stock 10,500Expected 9/25/2026	Cut Tape ฿89.63 ฿81.30 ฿74.30 ฿71.30 Reel ฿64.64 View ฿67.97 ฿61.31 ฿60.64 ฿58.31 MouseReel Available	Min.: 1 Mult.: 1 : 700
	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER PT61022XEL Bourns 1: ฿151.94 1,064In 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	1,064In Stock	Cut Tape ฿151.94 ฿125.28 ฿122.62 ฿118.62 Reel ฿101.63 View ฿107.29 ฿104.62 ฿97.96	Min.: 1 Mult.: 1 : 500
	Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T SM51589PEL Bourns 1: ฿95.63 1,635In Stock 17,150On 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	1,635In Stock 17,150On Order On Order Ship Dates Mfr. No: SM51589PEL Stock: 1,635 Can Dispatch Immediately On Order: 4,900 Expected 11/4/2026 12,250 Expected 12/8/2026 Factory Lead Time: 20 Weeks	Cut Tape ฿95.63 ฿86.63 ฿80.30 ฿76.97 Reel ฿71.97 View ฿69.64 ฿65.97 MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers T1/E1 Potted SM75057PEL Bourns 3,600: ฿59.64 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 ฿59.64 ฿53.98	Min.: 3,600 Mult.: 600 : 600