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Bel Magnetic Solutions Audio Transformers / Signal Transformers

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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 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 $5.13 $4.64 $4.45 $4.31 Reel $3.90 View $4.18 $3.83 $3.65 $3.40 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 ROHS DUAL 1000BT PoE+ MODULE 1CT:1CT TOPPER S558-5500-72 Bel Magnetic Solutions 1: $7.05 1,153In Stock	Mfr. Part No. S558-5500-72 Mouser Part No 530-S558-5500-72	Bel Magnetic Solutions	Audio Transformers / Signal Transformers ROHS DUAL 1000BT PoE+ MODULE 1CT:1CT TOPPER	Datasheet	1,153In Stock	Cut Tape $7.05 $5.98 $5.62 $5.22 Reel $4.58 View $5.02 $4.51 $4.50 MouseReel Available	Min.: 1 Mult.: 1 : 240			SMD/SMT	300 kHz to 125 MHz		- 40 C	+ 85 C	Dual	27.81 mm	12.19 mm	7.24 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers VOIP MODULE 1CT:1CT SHARE CMC ROHS TOPPER S558-5500-25-F Bel Magnetic Solutions 1: $1.93 41,269In Stock 66,600On Order	Mfr. Part No. S558-5500-25-F Mouser Part No 530-S558-5500-25-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers VOIP MODULE 1CT:1CT SHARE CMC ROHS TOPPER	Datasheet	41,269In Stock 66,600On Order On Order Ship Dates Mfr. No: S558-5500-25-F Stock: 41,269 Can Dispatch Immediately On Order: 9,000 Expected 2026/10/20 57,600 Expected 2026/12/28 Factory Lead Time: 14 Weeks	Cut Tape $1.93 $1.76 $1.63 $1.58 Reel $1.38 View $1.52 $1.44 $1.33 $1.30 MouseReel Available	Min.: 1 Mult.: 1 : 900	LAN Transformers	Module	SMD/SMT	100 kHz to 100 MHz	350 uH	0 C	+ 70 C	Single	12.32 mm	7.24 mm	5.71 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-U7-F Bel Magnetic Solutions 1: $2.05 57,139In 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	57,139In Stock	Cut Tape $2.05 $1.86 $1.73 $1.67 Reel $1.47 View $1.60 $1.54 $1.43 $1.42 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 ROHS 10GBASE-T MAGNETICS MODULE 1CT:1CT TOPPER S558-10GB-10 Bel Magnetic Solutions 1: $16.89 524In Stock	Mfr. Part No. S558-10GB-10 Mouser Part No 530-S558-10GB-10	Bel Magnetic Solutions	Audio Transformers / Signal Transformers ROHS 10GBASE-T MAGNETICS MODULE 1CT:1CT TOPPER	Datasheet	524In Stock	Cut Tape $16.89 $13.47 $12.67 $11.75 Reel $11.10 View $11.30 $10.42 $10.18	Min.: 1 Mult.: 1 : 300												Reel, Cut Tape
Audio Transformers / Signal Transformers 60W 10GIG PoE TRANSFORMER S558-10GB-22 Bel Magnetic Solutions 1: $6.78 1,154In Stock	Mfr. Part No. S558-10GB-22 Mouser Part No 530-S558-10GB-22	Bel Magnetic Solutions	Audio Transformers / Signal Transformers 60W 10GIG PoE TRANSFORMER	Datasheet	1,154In Stock	Cut Tape $6.78 $5.40 $5.08 $4.72 Reel $4.35 View $4.54 $4.28 $4.14 $4.13	Min.: 1 Mult.: 1 : 300												Reel, Cut Tape
Audio Transformers / Signal Transformers 10G PoE 100W S558-10GB-23 Bel Magnetic Solutions 1: $7.82 481In Stock	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	481In Stock	Cut Tape $7.82 $6.90 $6.54 $6.19 Reel $5.68 View $5.97 $5.52 $5.26 $5.23	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 ROHS 10/100/1000BT PoE+ MODULE 1CT:1CT TOPPER S558-5500-68 Bel Magnetic Solutions 1: $3.84 1,701In Stock 3,800Expected 2026/11/27	Mfr. Part No. S558-5500-68 Mouser Part No 530-S558-5500-68	Bel Magnetic Solutions	Audio Transformers / Signal Transformers ROHS 10/100/1000BT PoE+ MODULE 1CT:1CT TOPPER	Datasheet	1,701In Stock 3,800Expected 2026/11/27	Cut Tape $3.84 $3.44 $3.26 $3.16 Reel $2.74 View $3.04 $2.83 $2.71 $2.69 MouseReel Available	Min.: 1 Mult.: 1 : 380	LAN Transformers	Module	SMD/SMT	300 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 XFRMR LAN 2.5G 60W POE SMD S558-5500-JD Bel Magnetic Solutions 1: $3.95 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 $3.95 $3.57 $3.43 $3.40 Reel $3.00 View $3.29 $3.11 $2.88 $2.74	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 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 $5.35 $4.04 $3.74 $3.62 Reel $2.91 View $3.51 $3.00 $2.83	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 ROHS 100BT 1CT:1CT AUTO MIDX QUAD MODULES TOPPER S558-5999-AA-F Bel Magnetic Solutions 1: $6.38 405In Stock	Mfr. Part No. S558-5999-AA-F Mouser Part No 530-S558-5999-AA-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers ROHS 100BT 1CT:1CT AUTO MIDX QUAD MODULES TOPPER	Datasheet	405In Stock	Cut Tape $6.38 $5.76 $5.45 $5.21 Reel $4.59 View $4.79 $4.47 $4.37 $4.23 MouseReel Available	Min.: 1 Mult.: 1 : 320	LAN Transformers	Module	SMD/SMT	100 kHz to 500 MHz	350 uH	- 40 C	+ 85 C	Quad	27.94 mm	12.09 mm	4.47 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-AT-F Bel Magnetic Solutions 1: $5.34 699In 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	699In Stock	Cut Tape $5.34 $4.83 $4.63 $4.49 Reel $3.93 View $4.33 $4.02 $3.79 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 Transformer S558-5999-AZ-F Bel Magnetic Solutions 1: $7.82 2,070In 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	2,070In Stock	Cut Tape $7.82 $6.83 $6.47 $6.13 Reel $5.43 View $5.91 $5.75 $5.57 $5.27 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 Power Module S558-5999-J1-F Bel Magnetic Solutions 1: $2.28 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 $2.28 $2.07 $1.93 $1.86 Reel $1.57 View $1.79 $1.62 $1.52 $1.41 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: $4.08 720In 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	720In Stock	Cut Tape $4.08 $3.07 $2.85 $2.76 Reel $2.36 View $2.67 $2.42 $2.27 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-P3-F Bel Magnetic Solutions 1: $5.44 706In Stock	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	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	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 319In Stock 480Expected 2026/10/30	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	319In Stock 480Expected 2026/10/30	Cut Tape $7.14 $5.69 $5.36 $4.97 Reel $4.68 View $4.78 $4.55 $4.33 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-T7-F Bel Magnetic Solutions 1: $2.05 6,958In 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	6,958In Stock	Cut Tape $2.05 $1.86 $1.73 $1.67 Reel $1.47 View $1.60 $1.52 $1.40 $1.38 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: $2.05 7,223In Stock 1,788Expected 2026/10/21	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	7,223In Stock 1,788Expected 2026/10/21	Cut Tape $2.05 $1.86 $1.73 $1.67 Reel $1.47 View $1.60 $1.52 $1.40 $1.37 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 2.5G 4pPoE transformer S558-5500-JB Bel Magnetic Solutions 1: $4.19 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 $4.19 $3.70 $3.43 $3.33 Reel $2.83 View $3.22 $2.92 $2.73	Min.: 1 Mult.: 1 : 380												Reel, Cut Tape
Audio Transformers / Signal Transformers ROHS 10/100 TOPPER S558-5999-46-F Bel Magnetic Solutions 1: $3.83 659In Stock	Mfr. Part No. S558-5999-46-F Mouser Part No 530-S558-5999-46-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers ROHS 10/100 TOPPER	Datasheet	659In Stock	Cut Tape $3.83 $2.94 $2.83 $2.74 Reel $2.52 View $2.65 $2.40 $2.26 $2.22 MouseReel Available	Min.: 1 Mult.: 1 : 300	LAN Transformers	Module	SMD/SMT	100 kHz to 80 MHz	420 uH	0 C	+ 70 C	Single	25.4 mm	9.91 mm	5.97 mm	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer S558-5999-AB-F Bel Magnetic Solutions 1: $4.19 250In Stock 4,480On 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	250In Stock 4,480On Order On Order Ship Dates Mfr. No: S558-5999-AB-F Stock: 250 Can Dispatch Immediately On Order: 1,600 Expected 2026/11/20 2,880 Expected 2026/11/27 Factory Lead Time: 14 Weeks	Cut Tape $4.19 $3.74 $3.52 $3.41 Reel $2.98 View $3.31 $2.86 $2.76 $2.73 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 ROHS 1000BASE-T 1CT:1CT W/BST EXT TEMP TOPPER S558-5999-AC-F Bel Magnetic Solutions 1: $6.34 109In Stock 640Expected 2026/10/16	Mfr. Part No. S558-5999-AC-F Mouser Part No 530-S558-5999-AC-F	Bel Magnetic Solutions	Audio Transformers / Signal Transformers ROHS 1000BASE-T 1CT:1CT W/BST EXT TEMP TOPPER	Datasheet	109In Stock 640Expected 2026/10/16	Cut Tape $6.34 $5.04 $4.83 $4.68 Reel $4.00 View $4.21 $3.93 $3.88 MouseReel Available	Min.: 1 Mult.: 1 : 320	LAN Transformers	Module	SMD/SMT	30 MHz to 100 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 263In 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	263In Stock 1,280Expected 2026/11/13	Cut Tape $6.48 $5.66 $5.37 $4.99 Reel $4.64 View $4.80 $4.44 $4.29 $4.28 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: $2.28 686In 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	686In Stock	Cut Tape $2.28 $2.07 $1.93 $1.81 Reel $1.54 View $1.74 $1.58 $1.38 $1.33 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

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