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-AZ-F Bel Magnetic Solutions 1: $8.23 2,062In Stock	Mfr. Part No. S558-5999-AZ-F Mouser Part No 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	2,062In Stock	Cut Tape $8.23 $7.43 $7.12 $6.90 Reel $5.54 View $6.69 $6.37 $6.14 $5.49 MouseReel Available	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 Transformer S558-5999-U7-F Bel Magnetic Solutions 1: $2.16 56,595In Stock	Mfr. Part No. S558-5999-U7-F Mouser Part No 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	56,595In Stock	Cut Tape $2.16 $1.97 $1.83 $1.77 Reel $1.48 View $1.70 $1.60 $1.44 $1.43 MouseReel Available	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 XFRMR LAN 2.5G 60W POE SMD S558-5500-JD Bel Magnetic Solutions 1: $4.16 1,140In Stock 760Expected 2026/12/11	Mfr. Part No. S558-5500-JD Mouser Part No 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 2026/12/11	Cut Tape $4.16 $3.77 $3.62 $3.45 Reel $3.13 View $3.27 $3.07 $2.98 Quote	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: $5.30 1,067In Stock	Mfr. Part No. S558-5500-JV Mouser Part No 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 $5.30 $4.19 $4.04 $3.76 Reel $3.34 View $3.40 $3.09 Quote	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: $5.97 687In Stock	Mfr. Part No. S558-5999-AT-F Mouser Part No 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	687In Stock	Cut Tape $5.97 $5.11 $4.90 $4.76 Reel $4.20 View $4.56 $4.34 $4.11 MouseReel Available	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 Power Module S558-5999-J1-F Bel Magnetic Solutions 1: $2.40 1,104In Stock	Mfr. Part No. S558-5999-J1-F Mouser Part No 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	1,104In Stock	Cut Tape $2.40 $2.17 $2.04 $1.97 Reel $1.72 View $1.90 $1.78 $1.65 $1.59 MouseReel Available	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: $3.54 570In Stock	Mfr. Part No. S558-5999-M8-F Mouser Part No 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	570In Stock	Cut Tape $3.54 $3.20 $2.98 $2.88 Reel $2.62 View $2.72 $2.47 $2.40 $2.36 MouseReel Available	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-T3-F Bel Magnetic Solutions 1: $5.50 1,022In Stock	Mfr. Part No. S558-5999-T3-F Mouser Part No 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 $5.50 $4.97 $4.77 $4.62 Reel $3.74 View $3.99 $3.58 $3.47 MouseReel Available	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-T5-F Bel Magnetic Solutions 1: $2.29 2,623In Stock	Mfr. Part No. S558-5999-T5-F Mouser Part No 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	2,623In Stock	Cut Tape $2.29 $2.08 $1.91 $1.88 Reel $1.57 View $1.73 $1.62 $1.52 $1.50 MouseReel Available	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 Transformer S558-5999-T7-F Bel Magnetic Solutions 1: $2.16 6,864In Stock	Mfr. Part No. S558-5999-T7-F Mouser Part No 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	6,864In Stock	Cut Tape $2.16 $1.97 $1.83 $1.77 Reel $1.51 View $1.70 $1.60 $1.47 MouseReel Available	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: $2.16 9,011In Stock	Mfr. Part No. S558-5999-Z5-F Mouser Part No 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	9,011In Stock	Cut Tape $2.16 $1.97 $1.83 $1.77 Reel $1.50 View $1.70 $1.60 $1.47 $1.42 MouseReel Available	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 10G PoE 100W S558-10GB-23 Bel Magnetic Solutions 1: $8.37 176In Stock 600Expected 2027/01/07	Mfr. Part No. S558-10GB-23 Mouser Part No 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	176In Stock 600Expected 2027/01/07	Cut Tape $8.37 $7.56 $7.26 $7.04 Reel $6.29 View $6.82 $6.04 $6.00 $5.61	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 2.5G 4pPoE transformer S558-5500-JB Bel Magnetic Solutions 1: $4.41 2In Stock 6,840On Order	Mfr. Part No. S558-5500-JB Mouser Part No 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. No: S558-5500-JB Stock: 2 Can Dispatch Immediately On Order: 2,280 Expected 2026/11/13 4,560 Expected 2026/12/18 Factory Lead Time: 14 Weeks	Cut Tape $4.41 $3.84 $3.70 $3.45 Reel $3.13 View $3.27 $3.07 $2.90 Quote	Min.: 1 Mult.: 1 : 380												Reel, Cut Tape
Audio Transformers / Signal Transformers Transformer S558-5999-P3-F Bel Magnetic Solutions 1: $6.18 5In Stock 760Expected 2027/01/11	Mfr. Part No. S558-5999-P3-F Mouser Part No 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	5In Stock 760Expected 2027/01/11	Cut Tape $6.18 $5.48 $5.26 $5.09 Reel $4.48 View $4.72 $4.49 $4.31 $4.18 MouseReel Available	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: $7.18 169In Stock 480Expected 2026/11/03	Mfr. Part No. S558-5999-Q2-F Mouser Part No 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	169In Stock 480Expected 2026/11/03	Cut Tape $7.18 $6.48 $6.21 $6.02 Reel $5.42 View $5.61 $5.33 $5.11 MouseReel Available	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-Q9-F Bel Magnetic Solutions 1: $6.66 63In Stock 1,280Expected 2026/11/13	Mfr. Part No. S558-5999-Q9-F Mouser Part No 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	63In Stock 1,280Expected 2026/11/13	Cut Tape $6.66 $6.01 $5.78 $5.54 Reel $5.07 View $5.34 $4.84 $4.65 $4.62 MouseReel Available	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: $2.44 646In Stock	Mfr. Part No. S558-5999-W2-F Mouser Part No 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	646In Stock	Cut Tape $2.44 $2.22 $2.06 $2.00 Reel $1.76 View $1.92 $1.81 $1.67 MouseReel Available	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-AB-F Bel Magnetic Solutions 1: $4.16 4,410On Order	Mfr. Part No. S558-5999-AB-F Mouser Part No 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	4,410On Order On Order Ship Dates Mfr. No: S558-5999-AB-F Stock: 0 On Order: 1,530 Expected 2026/11/20 2,880 Expected 2026/11/27 Factory Lead Time: 14 Weeks	Cut Tape $4.16 $3.77 $3.51 $3.42 Reel $3.33 View $3.17 $3.09 $3.01 Quote MouseReel Available	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 Power Module S558-5999-AM-F Bel Magnetic Solutions 2,200: $4.77 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. S558-5999-AM-F Mouser Part No 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 $4.77	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: $8.90 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. S558-5999-Q3-F Mouser Part No 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 $8.90 $8.02 $7.70 $7.47 Reel $6.97 View $7.22 $6.79 $6.62 MouseReel Available	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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