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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 (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Mounting Style
	Power Transformers - Board Mount BMS transformer/CMC,12PIN,DUAL, 4.3KVDC SM91509AL-E Bourns 1: ¥784 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 ¥784 ¥730.8 ¥687.7 ¥666.1 View Reel ¥548.1 ¥646.1 ¥619.6 ¥599.6 ¥549.8 ¥548.1 MouseReel Available	Min.: 1 Mult.: 1 : 2,000		PCB Mount
	Audio Transformers / Signal Transformers LAN 10/100 Tin Potted PT61017PEL Bourns 1: ¥260.8 23,138In 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	23,138In Stock	Cut Tape ¥260.8 ¥237.5 ¥220.9 ¥214.3 Reel ¥158.6 View ¥206 ¥154.3 ¥153.6 ¥148.7 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers 350uHmin. .50uHmax. OP -40C to +85C PT61020EL Bourns 1: ¥446.8 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 ¥446.8 ¥405.3 ¥377 ¥363.8 Reel ¥325.6 View ¥345.5 ¥310.6 ¥302.3 ¥295.7 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: ¥2,086.2 144In 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	144In Stock	Cut Tape ¥2,086.2 ¥2,084.6 ¥1,767.3 ¥1,709.2 Reel ¥981.7 View ¥1,647.7 ¥1,142.8 ¥978.3 Quote MouseReel Available	Min.: 1 Mult.: 1 : 400
	Audio Transformers / Signal Transformers 350uHmin 1CT:1CT OP -40C to +85C PT61018PEL Bourns 1: ¥222.6 3,118In 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	3,118In Stock 6,600Expected 11/13/2026	Cut Tape ¥222.6 ¥202.6 ¥189.4 ¥181 Reel ¥169.4 View ¥176.1 ¥159.5 ¥151.6 MouseReel Available	Min.: 1 Mult.: 1 : 600
	Audio Transformers / Signal Transformers MAGNETICS LAN TRANSFORMER PT61022XEL Bourns 1: ¥757.4 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 ¥757.4 ¥624.5 ¥591.3 ¥554.8 Reel ¥523.2 View ¥538.2 ¥496.6 ¥491.7	Min.: 1 Mult.: 1 : 500
	Audio Transformers / Signal Transformers LAN Transformer 10/100/1000 Base-T SM51589PEL Bourns 1: ¥476.7 3,214In 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	3,214In Stock 12,250Expected 11/6/2026	Cut Tape ¥476.7 ¥431.9 ¥402 ¥390.3 Reel ¥373.7 View ¥363.8 ¥343.8 ¥333.9 ¥325.6 MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers XFMER 1.2A POE SM51625EL Bourns 1: ¥426.9 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 ¥426.9 ¥388.7 ¥368.7 ¥353.8 Reel ¥312.3 View ¥307.3 ¥300.6 ¥294 MouseReel Available	Min.: 1 Mult.: 1 : 350
	Audio Transformers / Signal Transformers T1/E1 Potted SM75057PEL Bourns 3,600: ¥297.3 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 ¥297.3 ¥274.1	Min.: 3,600 Mult.: 600 : 600