Audio Transformers / Signal Transformers

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Discrete LAN Magnetics

Bel Magnetic Solutions Discrete LAN Magnetics products deliver a broad range of magnetic-based solutions for high-speed networking and computer applications. This portfolio of single, dual, and quad SMT modules are compatible with IEEE 802.3 Ethernet standards for 10/100, 1G, 2.5G, 5G, and 10GBaseT transmission. Typical applications for Bel Magnetic Solutions Discrete LAN Magnetics are voice/video/data networking, high-performance computing, and storage traffic in enterprise and data centers.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Termination Style	Frequency Range	Inductance	Minimum Operating Temperature	Maximum Operating Temperature	Number of Channels	Length	Width	Height	Packaging
Audio Transformers / Signal Transformers Transformer S558-5999-T3-F Bel Magnetic Solutions 1: $5.13 A tariff of 30% may be applied if shipping to the United States. 1,022In Stock	Mfr. Part # S558-5999-T3-F Mouser Part # 530-S558-5999-T3-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	1,022In Stock	Cut Tape $5.13 $4.64 $4.45 $4.31 Reel $3.90 View $4.18 $3.83 $3.65 $3.39 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 320	LAN Transformers	Module	SMD/SMT	100 kHz to 125 MHz	350 uH	0 C	+ 70 C	Single	15.24 mm	13.26 mm	6.35 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-U7-F Bel Magnetic Solutions 1: $2.05 A tariff of 30% may be applied if shipping to the United States. 57,139In Stock	Mfr. Part # S558-5999-U7-F Mouser Part # 530-S558-5999-U7-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	57,139In Stock	Cut Tape $2.05 $1.86 $1.73 $1.68 Reel $1.47 View $1.61 $1.54 $1.43 $1.42 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	300 kHz to 100 MHz	350 uH	- 40 C	+ 85 C	Single	12.32 mm	7.24 mm	5.72 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10G PoE 100W S558-10GB-23 Bel Magnetic Solutions 1: $7.81 A tariff of 30% may be applied if shipping to the United States. 481In Stock	Mfr. Part # S558-10GB-23 Mouser Part # 530-S558-10GB-23	Bel Magnetic Solutions	Audio Transformers / Signal Transformers 10G PoE 100W Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	481In Stock	Cut Tape $7.81 $6.89 $6.54 $6.19 Reel $5.68 View $5.97 $5.52 $5.25 Quote A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 300	PoE Transformers		SMD/SMT	1 MHz to 600 MHz		- 40 C	+ 85 C	Quad	15.49 mm	15.24 mm	7.37 mm	Reel, Cut Tape
Audio Transformers / Signal Transformers XFRMR LAN 2.5G 60W POE SMD S558-5500-JD Bel Magnetic Solutions 1: $3.95 A tariff of 30% may be applied if shipping to the United States. 1,140In Stock 760Expected 12/15/2026	Mfr. Part # S558-5500-JD Mouser Part # 530-S558-5500-JD	Bel Magnetic Solutions	Audio Transformers / Signal Transformers XFRMR LAN 2.5G 60W POE SMD Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	1,140In Stock 760Expected 12/15/2026	Cut Tape $3.95 $3.57 $3.43 $3.39 Reel $3.00 View $3.29 $3.10 $2.88 $2.74 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 380	PoE Transformers		SMD/SMT	1 MHz to 150 MHz		0 C	+ 70 C	Quad	17.53 mm	12.19 mm	5.71 mm	Reel, Cut Tape
Audio Transformers / Signal Transformers XFRMR LAN 5G 60W POE SMD S558-5500-JV Bel Magnetic Solutions 1: $5.35 A tariff of 30% may be applied if shipping to the United States. 1,067In Stock	Mfr. Part # S558-5500-JV Mouser Part # 530-S558-5500-JV	Bel Magnetic Solutions	Audio Transformers / Signal Transformers XFRMR LAN 5G 60W POE SMD Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	1,067In Stock	Cut Tape $5.35 $4.03 $3.74 $3.62 Reel $2.91 View $3.51 $3.00 $2.82 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 380	PoE Transformers		SMD/SMT	1 MHz to 300 MHz		- 40 C	+ 85 C	Quad	17.53 mm	12.19 mm	5.71 mm	Reel, Cut Tape
Audio Transformers / Signal Transformers Transformer S558-5999-AT-F Bel Magnetic Solutions 1: $5.34 A tariff of 30% may be applied if shipping to the United States. 699In Stock	Mfr. Part # S558-5999-AT-F Mouser Part # 530-S558-5999-AT-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	699In Stock	Cut Tape $5.34 $4.83 $4.63 $4.49 Reel $3.93 View $4.33 $4.02 $3.79 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 380	LAN Transformers	Module	SMD/SMT	100 kHz to 125 MHz	350 uH	- 40 C	+ 85 C	Single	17.53 mm	12.19 mm	5.71 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-AZ-F Bel Magnetic Solutions 1: $7.81 A tariff of 30% may be applied if shipping to the United States. 2,070In Stock	Mfr. Part # S558-5999-AZ-F Mouser Part # 530-S558-5999-AZ-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	2,070In Stock	Cut Tape $7.81 $6.82 $6.47 $6.13 Reel $5.43 View $5.91 $5.74 $5.57 $5.27 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,100	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH	0 C	+ 70 C	Single	22.35 mm	13.72 mm	1.73 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Power Module S558-5999-J1-F Bel Magnetic Solutions 1: $2.28 A tariff of 30% may be applied if shipping to the United States. 1,354In Stock	Mfr. Part # S558-5999-J1-F Mouser Part # 530-S558-5999-J1-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Power Module Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	1,354In Stock	Cut Tape $2.28 $2.07 $1.93 $1.86 Reel $1.57 View $1.79 $1.62 $1.52 $1.41 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	1 MHz to 10 MHz	350 uH			Single	12.32 mm	7.24 mm	5.71 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-M8-F Bel Magnetic Solutions 1: $4.08 A tariff of 30% may be applied if shipping to the United States. 720In Stock	Mfr. Part # S558-5999-M8-F Mouser Part # 530-S558-5999-M8-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	720In Stock	Cut Tape $4.08 $3.07 $2.85 $2.76 Reel $2.36 View $2.68 $2.42 $2.27 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 380	LAN Transformers	Module	SMD/SMT	100 kHz to 125 MHz	350 uH	0 C	+ 70 C	Single	17.53 mm	12.19 mm	5.71 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-P3-F Bel Magnetic Solutions 1: $5.44 A tariff of 30% may be applied if shipping to the United States. 706In Stock	Mfr. Part # S558-5999-P3-F Mouser Part # 530-S558-5999-P3-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	706In Stock	Cut Tape $5.44 $4.92 $4.72 $4.58 Reel $3.97 View $4.31 $4.08 $3.86 $3.79 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 380	LAN Transformers	Module	SMD/SMT	100 kHz to 125 MHz	350 uH	0 C	+ 70 C	Single	17.53 mm	12.19 mm	5.71 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-Q2-F Bel Magnetic Solutions 1: $7.14 A tariff of 30% may be applied if shipping to the United States. 319In Stock 480Expected 10/30/2026	Mfr. Part # S558-5999-Q2-F Mouser Part # 530-S558-5999-Q2-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	319In Stock 480Expected 10/30/2026	Cut Tape $7.14 $5.69 $5.36 $4.97 Reel $4.68 View $4.78 $4.55 $4.33 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 240	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH	0 C	+ 70 C	Dual	27.81 mm	12.19 mm	7.24 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-T7-F Bel Magnetic Solutions 1: $2.05 A tariff of 30% may be applied if shipping to the United States. 6,958In Stock	Mfr. Part # S558-5999-T7-F Mouser Part # 530-S558-5999-T7-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	6,958In Stock	Cut Tape $2.05 $1.86 $1.73 $1.68 Reel $1.46 View $1.61 $1.52 $1.40 $1.38 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	1 MHz to 80 MHz	350 uH	- 40 C	+ 85 C	Single	12.32 mm	7.24 mm	5.72 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-Z5-F Bel Magnetic Solutions 1: $2.05 A tariff of 30% may be applied if shipping to the United States. 7,223In Stock 1,788Expected 10/21/2026	Mfr. Part # S558-5999-Z5-F Mouser Part # 530-S558-5999-Z5-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	7,223In Stock 1,788Expected 10/21/2026	Cut Tape $2.05 $1.86 $1.73 $1.68 Reel $1.46 View $1.61 $1.52 $1.40 $1.37 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH	- 40 C	+ 85 C	Single	12.32 mm	7.24 mm	5.71 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 2.5G 4pPoE transformer S558-5500-JB Bel Magnetic Solutions 1: $4.19 A tariff of 30% may be applied if shipping to the United States. 2In Stock 6,840On Order	Mfr. Part # S558-5500-JB Mouser Part # 530-S558-5500-JB	Bel Magnetic Solutions	Audio Transformers / Signal Transformers 2.5G 4pPoE transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	2In Stock 6,840On Order On Order Ship Dates Mfr. #: S558-5500-JB Stock: 2 Can Ship Immediately On Order: 2,280 Expected 11/13/2026 4,560 Expected 12/15/2026 Factory Lead-Time: 14 Weeks	Cut Tape $4.19 $3.70 $3.43 $3.32 Reel $2.83 View $3.22 $2.92 $2.73 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 380												Reel, Cut Tape
Audio Transformers / Signal Transformers Transformer S558-5999-AB-F Bel Magnetic Solutions 1: $4.19 A tariff of 30% may be applied if shipping to the United States. 250In Stock 4,480On Order	Mfr. Part # S558-5999-AB-F Mouser Part # 530-S558-5999-AB-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	250In Stock 4,480On Order On Order Ship Dates Mfr. #: S558-5999-AB-F Stock: 250 Can Ship Immediately On Order: 1,600 Expected 11/20/2026 2,880 Expected 11/27/2026 Factory Lead-Time: 14 Weeks	Cut Tape $4.19 $3.74 $3.52 $3.41 Reel $2.98 View $3.31 $2.86 $2.75 $2.73 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 320	LAN Transformers	Module	SMD/SMT	100 kHz to 125 MHz	350 uH	- 40 C	+ 85 C	Single	15.24 mm	13.26 mm	6.35 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-Q9-F Bel Magnetic Solutions 1: $6.48 A tariff of 30% may be applied if shipping to the United States. 263In Stock 1,280Expected 11/13/2026	Mfr. Part # S558-5999-Q9-F Mouser Part # 530-S558-5999-Q9-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	263In Stock 1,280Expected 11/13/2026	Cut Tape $6.48 $5.66 $5.37 $4.99 Reel $4.64 View $4.80 $4.44 $4.29 $4.28 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 320	LAN Transformers	Module	SMD/SMT	100 kHz to 500 MHz	350 uH	0 C	+ 70 C	Dual	27.94 mm	15.24 mm	4.47 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-W2-F Bel Magnetic Solutions 1: $2.28 A tariff of 30% may be applied if shipping to the United States. 686In Stock	Mfr. Part # S558-5999-W2-F Mouser Part # 530-S558-5999-W2-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	686In Stock	Cut Tape $2.28 $2.07 $1.93 $1.81 Reel $1.53 View $1.74 $1.58 $1.38 $1.33 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	100 kHz to 250 MHz	350 uH	- 40 C	+ 85 C	Single	12.32 mm	7.24 mm	5.71 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-T5-F Bel Magnetic Solutions 1: $2.05 A tariff of 30% may be applied if shipping to the United States. 2,623Expected 10/16/2026	Mfr. Part # S558-5999-T5-F Mouser Part # 530-S558-5999-T5-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Transformer Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	2,623Expected 10/16/2026	Cut Tape $2.05 $1.86 $1.73 $1.64 Reel $1.41 View $1.54 $1.42 $1.40 $1.37 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT		350 uH	- 40 C	+ 85 C	Single	12.32 mm	7.24 mm	5.71 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Power Module S558-5999-AM-F Bel Magnetic Solutions 2,200: $4.42 A tariff of 30% may be applied if shipping to the United States. Non-Stocked Lead-Time 14 Weeks	Mfr. Part # S558-5999-AM-F Mouser Part # 530-S558-5999-AM-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Power Module Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	Non-Stocked Lead-Time 14 Weeks	Cut Tape $4.42 A tariff of 30% may be applied if shipping to the United States.	Min.: 2,200 Mult.: 1,100 : 1,100	LAN Transformers	Module	SMD/SMT	1 MHz to 100 MHz	350 uH	0 C	+ 70 C	Single	22.35 mm	13.72 mm	1.73 mm	Reel
Audio Transformers / Signal Transformers Power Module S558-5999-Q3-F Bel Magnetic Solutions 1: $8.31 A tariff of 30% may be applied if shipping to the United States. Non-Stocked Lead-Time 14 Weeks	Mfr. Part # S558-5999-Q3-F Mouser Part # 530-S558-5999-Q3-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers Power Module Learn More about Bel Magnetic Solutions bel magnetic s558 10gb xx	Datasheet	Non-Stocked Lead-Time 14 Weeks	Cut Tape $8.31 $7.35 $6.98 $6.61 Reel $6.10 View $6.26 $5.95 $5.69 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 240	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH	0 C	+ 70 C	Dual	27.81 mm	12.19 mm	7.24 mm	Reel, Cut Tape, MouseReel

Discrete LAN Magnetics

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