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Bel 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	Primary Impedance	Isolation Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Number of Channels	Length	Width	Height	Series	Packaging
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 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 $4.75 $4.53 $4.39 Reel $3.74 View $4.01 $3.59 $3.46 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-AZ-F Bel Magnetic Solutions 1: $8.23 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 $8.23 $6.63 $6.24 $5.78 Reel $5.05 View $5.56 $5.46 $5.31 $5.04 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 High Frequency Resonant Transformers ETD34 150W 600uH 12V 260mOhm SLLC-ETD34-12 Bel Signal Transformer 1: $5.90 608In Stock	Mfr. Part No. SLLC-ETD34-12 Mouser Part No 530-SLLC-ETD34-12	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Resonant Transformers ETD34 150W 600uH 12V 260mOhm Learn More about Bel Signal Transformer bel sllc transformers	Datasheet	608In Stock	$5.90 $5.17 $4.96 $4.81 View $4.60 $4.43 $4.31 $3.87	Min.: 1 Mult.: 1	Transformers	High Frequency Resonant Transformer	Through Hole	70 kHz to 120 kHz	600 uH		4 kV	- 40 C	+ 125 C		36 mm	36 mm	26 mm	SLLC	Tray
Audio Transformers / Signal Transformers High Frequency Resonant Transformers ETD39 200W 500uH 12V 145mOhm SLLC-ETD39-12 Bel Signal Transformer 1: $9.46 610In Stock	Mfr. Part No. SLLC-ETD39-12 Mouser Part No 530-SLLC-ETD39-12	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Resonant Transformers ETD39 200W 500uH 12V 145mOhm Learn More about Bel Signal Transformer bel sllc transformers	Datasheet	610In Stock	$9.46 $8.25 $7.92 $7.57 View $7.28 $7.09 $6.87 $6.27	Min.: 1 Mult.: 1	Transformers	High Frequency Resonant Transformer	Through Hole	70 kHz to 120 kHz	500 uH		4 kV	- 40 C	+ 125 C		44 mm	43 mm	30 mm	SLLC	Tray
Audio Transformers / Signal Transformers High Frequency Resonant Transformers ETD44 250W 476uH 12V 128mOhm SLLC-ETD44-12 Bel Signal Transformer 1: $10.75 611In Stock	Mfr. Part No. SLLC-ETD44-12 Mouser Part No 530-SLLC-ETD44-12	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Resonant Transformers ETD44 250W 476uH 12V 128mOhm Learn More about Bel Signal Transformer bel sllc transformers	Datasheet	611In Stock	$10.75 $9.69 $9.29 $8.89 View $8.60 $8.33 $8.07 $7.52	Min.: 1 Mult.: 1	Transformers	High Frequency Resonant Transformer	Through Hole	70 kHz to 120 kHz	476 uH		4 kV	- 40 C	+ 125 C		48 mm	46 mm	27.5 mm	SLLC	Tray
Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 12W 1310uH 24/5V 3000mOhm SUOST-12-2405 Bel Signal Transformer 1: $5.94 600In Stock	Mfr. Part No. SUOST-12-2405 Mouser Part No 530-SUOST-12-2405	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 12W 1310uH 24/5V 3000mOhm Learn More about Bel Signal Transformer bel suost transformers	Datasheet	600In Stock	$5.94 $4.72 $4.54 $4.41 View $4.28 $4.11 $3.96 $3.66	Min.: 1 Mult.: 1	Transformers	High Frequency Universal Line SMD Transformer	SMD/SMT	60 kHz to 150 kHz	1.31 mH	3 Ohms	4 kVAC	- 40 C	+ 125 C	1 Channel	20.6 mm	16.6 mm	13.5 mm	SUOST	Tray
Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 13W 1250uH 12/12V 2920mOhm SUOST-13-1212 Bel Signal Transformer 1: $5.94 597In Stock	Mfr. Part No. SUOST-13-1212 Mouser Part No 530-SUOST-13-1212	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 13W 1250uH 12/12V 2920mOhm Learn More about Bel Signal Transformer bel suost transformers	Datasheet	597In Stock	$5.94 $4.72 $4.53 $4.40 View $4.33 $4.24 $3.96 $3.64 $3.63	Min.: 1 Mult.: 1	Transformers	High Frequency Universal Line SMD Transformer	SMD/SMT	60 kHz to 150 kHz	1.25 mH		4 kVAC	- 40 C	+ 125 C	1 Channel	20.6 mm	16.6 mm	13.5 mm	SUOST	Tray
Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 15W 1500uH 12/5V 6500mOhm SUOST-15-1205 Bel Signal Transformer 1: $5.94 594In Stock	Mfr. Part No. SUOST-15-1205 Mouser Part No 530-SUOST-15-1205	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 15W 1500uH 12/5V 6500mOhm Learn More about Bel Signal Transformer bel suost transformers	Datasheet	594In Stock	$5.94 $4.72 $4.54 $4.41 View $4.28 $4.11 $3.96 $3.66	Min.: 1 Mult.: 1	Transformers	High Frequency Universal Line SMD Transformer	SMD/SMT	60 kHz to 150 kHz	1.5 mH		4 kVAC	- 40 C	+ 125 C	1 Channel	20.6 mm	16.6 mm	13.5 mm	SUOST	Tray
Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 16W 1500uH 12/12V 4200mOhm SUOST-16-1212 Bel Signal Transformer 1: $5.94 591In Stock	Mfr. Part No. SUOST-16-1212 Mouser Part No 530-SUOST-16-1212	Bel Signal Transformer	Audio Transformers / Signal Transformers High Frequency Universal Line SMD Transformers 16/8/5 16W 1500uH 12/12V 4200mOhm Learn More about Bel Signal Transformer bel suost transformers	Datasheet	591In Stock	$5.94 $4.72 $4.54 $4.40 View $4.33 $4.25 $4.05 $4.04 $3.64	Min.: 1 Mult.: 1	Transformers	High Frequency Universal Line SMD Transformer	SMD/SMT	60 kHz to 150 kHz	1.5 mH		4 kVAC	- 40 C	+ 125 C	1 Channel	20.6 mm	16.6 mm	13.5 mm	SUOST	Tray
Audio Transformers / Signal Transformers ROHS 10GBASE-T MAGNETICS MODULE 1CT:1CT TOPPER S558-10GB-10 Bel Magnetic Solutions 1: $16.88 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 $16.88 $13.46 $12.66 $11.74 Reel $11.09 View $11.30 $10.42 $10.17	Min.: 1 Mult.: 1 : 300															Reel, Cut Tape
Audio Transformers / Signal Transformers VOIP MODULE 1CT:1CT SHARE CMC ROHS TOPPER S558-5500-25-F Bel Magnetic Solutions 1: $2.10 47,749In Stock 57,600Expected 18/12/2026	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	47,749In Stock 57,600Expected 18/12/2026	Cut Tape $2.10 $1.91 $1.78 $1.70 Reel $1.51 View $1.64 $1.56 $1.44 $1.41 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 56,834In 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	56,834In 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	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 60W 10GIG PoE TRANSFORMER S558-10GB-22 Bel Magnetic Solutions 1: $6.78 1,134In 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	1,134In 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: $7.81 146In 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	146In Stock	Cut Tape $7.81 $6.89 $6.54 $6.19 Reel $5.68 View $5.97 $5.52 $5.25 Quote	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: $4.12 1,669In Stock 3,800Expected 27/11/2026	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	1,669In Stock 3,800Expected 27/11/2026	Cut Tape $4.12 $3.54 $3.33 $3.24 Reel $2.78 View $3.15 $2.87 $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 11/12/2026	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 11/12/2026	Cut Tape $3.95 $3.57 $3.43 $3.39 Reel $3.00 View $3.29 $3.10 $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 $4.03 $3.74 $3.62 Reel $3.10 View $3.51 $3.14 $2.91	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: $6.72 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 $6.72 $5.91 $5.59 $5.34 Reel $4.69 View $5.02 $4.55 $4.46 $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: $5.87 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 $5.87 $4.91 $4.70 $4.57 Reel $4.01 View $4.37 $4.11 $3.90 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: $2.28 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 $1.52 View $1.79 $1.57 $1.49 $1.38 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 $2.68 $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 30/10/2026	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 30/10/2026	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: $2.16 6,929In 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	6,929In Stock	Cut Tape $2.16 $1.96 $1.83 $1.75 Reel $1.50 View $1.68 $1.57 $1.45 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

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