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Audio & Signal Transformers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Termination Style	Frequency Range	Inductance	Primary Impedance	Secondary Impedance	Isolation Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Number of Channels	Package/Case	Length	Width	Height	Series	Packaging
Audio Transformers / Signal Transformers 2.5Gig Reinforced SMD 24P ISO MOD TGR2G-S420N24LF HALO Electronics 1: HK$331.84 84In Stock New Product	Mfr. Part No. TGR2G-S420N24LF Mouser Part No 493-TGR2G-S420N24LF New Product	HALO Electronics	Audio Transformers / Signal Transformers 2.5Gig Reinforced SMD 24P ISO MOD		84In Stock	HK$331.84 HK$236.98 HK$199.09 HK$165.96 View HK$132.75 HK$112.86 Quote	Min.: 1 Mult.: 1	Ethernet Transformers	Isolated	SMD/SMT		350 uH			4000 Vrms	- 40 C	+ 85 C		SMD-24	19.05 mm	12.19 mm	11.94 mm	TGR2G
Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz PWB2010LC Coilcraft Restricted Availability	Mfr. Part No. PWB2010LC Mouser Part No 994-PWB2010LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	RF Transformers		SMD/SMT	3.5 kHz to 125 MHz	780 uH, 780 uH			300 V	- 40 C	+ 85 C	Dual		6.77 mm	6.48 mm	4.45 mm	PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers BMS Transformer/CMC,6PIN,SGL,4.3kVDC SM91542AL-E Bourns 1: HK$22.44 1,646In Stock	Mfr. Part No. SM91542AL-E Mouser Part No 652-SM91542AL-E	Bourns	Audio Transformers / Signal Transformers BMS Transformer/CMC,6PIN,SGL,4.3kVDC Learn More about Bourns sm91542al bms transformer	Datasheet	1,646In Stock	Cut Tape HK$22.44 HK$20.39 HK$18.99 HK$18.00 View Reel HK$13.23 HK$14.55 HK$14.30 HK$13.40 HK$13.23 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	BMS Transformers		SMD/SMT		450 uH				- 40 C	+ 125 C						SM91542AL	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 800 MHz - 6.8 GHz, 50? TTC1-682W+ Mini-Circuits 1: HK$99.79 189In Stock 1,500Expected 2/11/2026	Mfr. Part No. TTC1-682W+ Mouser Part No 139-TTC1-682W+	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 800 MHz - 6.8 GHz, 50? Learn More about Mini-Circuits mini circuits ttc1 682w rf transformer	Datasheet	189In Stock 1,500Expected 2/11/2026	Cut Tape HK$99.79 HK$92.97 HK$86.97 Reel HK$86.97 MouseReel Available	Min.: 1 Mult.: 1 : 500	RF Transformers	Surface Mount RF Transformer	SMD/SMT	800 MHz to 6.8 GHz					- 40 C	+ 85 C	1 Channel	GU2939	2.54 mm	1.27 mm	1.88 mm	TTC1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Flux Coupled 1:1 Transformer 0.4-500MHz MABA-009180-500MHz MACOM 1: HK$28.77 21,379In Stock	Mfr. Part No. MABA-009180-500MHz Mouser Part No 937-009180-500MHZ	MACOM	Audio Transformers / Signal Transformers Flux Coupled 1:1 Transformer 0.4-500MHz	Datasheet	21,379In Stock	Cut Tape HK$28.77 HK$23.34 HK$22.44 HK$21.04 View Reel HK$16.85 HK$20.22 HK$19.97 HK$16.85 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	RF Transformers		SMD/SMT	400 kHz to 500 MHz					- 40 C	+ 85 C	Single		3.81 mm	3.81 mm	2.79 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 2150 - 3600 MHz, 50? TCW1-362+ Mini-Circuits 1: HK$14.80 1,263In Stock	Mfr. Part No. TCW1-362+ Mouser Part No 139-TCW1-362+	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 2150 - 3600 MHz, 50?	Datasheet	1,263In Stock	Cut Tape HK$14.80 HK$14.22 Reel HK$14.06 MouseReel Available	Min.: 1 Mult.: 1 : 500	RF Transformers		SMD/SMT	2.15 GHz to 3.6 GHz					- 55 C	+ 125 C						TCW1	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV HFBL075100B iNRCORE 1: HK$10,468.58 44In Stock	Mfr. Part No. HFBL075100B Mouser Part No 673-HFBL075100B	iNRCORE	Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV	Datasheet	44In Stock	HK$10,468.58 View Quote	Min.: 1 Mult.: 1	Baluns	Module	Connector			100 Ohms			- 55 C	+ 125 C	Single					HFBL	Tube
Audio Transformers / Signal Transformers 5-10000 MHz MABA-011108 MACOM 1: HK$125.68 7,917In Stock 8,000Expected 21/12/2026	Mfr. Part No. MABA-011108 Mouser Part No 937-MABA-011108	MACOM	Audio Transformers / Signal Transformers 5-10000 MHz Learn More about MACOM maba 011108 transmission line balun	Datasheet	7,917In Stock 8,000Expected 21/12/2026	Cut Tape HK$125.68 HK$113.35 HK$107.27 HK$106.86 Reel HK$91.98 MouseReel Available	Min.: 1 Mult.: 1 : 500	Baluns		SMD/SMT	5 MHz to 10 GHz		50 Ohms			- 55 C	+ 85 C	Single	SMD-6	3.81 mm	3.81 mm	3.22 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV HFBL075100A iNRCORE 1: HK$9,875.75 29In Stock	Mfr. Part No. HFBL075100A Mouser Part No 673-HFBL075100A	iNRCORE	Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV	Datasheet	29In Stock	HK$9,875.75 View Quote	Min.: 1 Mult.: 1	Baluns	Module	Connector			100 Ohms			- 55 C	+ 125 C			2.55 mm	1.16 mm	1.1 mm	HFBL	Tube
Audio Transformers / Signal Transformers Transformer, 1:1 RF, 5-1200MHz MABA-007748-CT1160 MACOM 1: HK$29.02 8,568In Stock	Mfr. Part No. MABA-007748-CT1160 Mouser Part No 937-MABA007748CT1160	MACOM	Audio Transformers / Signal Transformers Transformer, 1:1 RF, 5-1200MHz	Datasheet	8,568In Stock	Cut Tape HK$29.02 HK$23.51 HK$22.61 HK$21.21 View Reel HK$17.02 HK$20.39 HK$20.14 HK$17.02 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	RF Transformers		SMD/SMT	5 MHz to 1.2 GHz		75 Ohms	75 Ohms		- 40 C	+ 85 C	Single		3.81 mm	2.79 mm	3.8 mm		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers LAN XFMR 10G BASE-T (PoE+) TM7008ANL Taoglas 1: HK$77.10 729In Stock	Mfr. Part No. TM7008ANL Mouser Part No 960-TM7008ANL	Taoglas	Audio Transformers / Signal Transformers LAN XFMR 10G BASE-T (PoE+) Learn More about Taoglas tm lan transformers	Datasheet	729In Stock	Cut Tape HK$77.10 HK$69.62 HK$66.83 HK$64.69 View Reel HK$53.76 HK$62.72 HK$55.07 HK$53.76 Quote MouseReel Available	Min.: 1 Mult.: 1 : 450	LAN Transformers	LAN Transformer	SMD/SMT		120 uH				- 40 C	+ 85 C			13.7 mm	15.2 mm	5.72 mm	Exos	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T 749020310 Wurth Elektronik 1: HK$57.54 7,399In Stock	Mfr. Part No. 749020310 Mouser Part No 710-749020310	Wurth Elektronik	Audio Transformers / Signal Transformers WE-LAN AQ SMD Tfrmr 10/100/1000 Base-T Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	7,399In Stock	Cut Tape HK$57.54 HK$50.47 HK$45.05 Reel HK$38.88 HK$31.56 MouseReel Available	Min.: 1 Mult.: 1 : 400	LAN Transformers	LAN	SMD/SMT	500 kHz to 100 MHz	350 uH			1.501 kVAC	- 40 C	+ 85 C	Single	17.53 mm x 14.6 mm x 4.5 mm	17.53 mm	16.51 mm	4.5 mm	WE-LANAQ	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS ADTT4-1+ Mini-Circuits 1: HK$59.68 4,087In Stock	Mfr. Part No. ADTT4-1+ Mouser Part No 139-ADTT4-1	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS	Datasheet	4,087In Stock	Cut Tape HK$59.68 HK$59.60 Reel HK$59.51 HK$59.10 HK$57.54 HK$56.39 MouseReel Available	Min.: 1 Mult.: 1 : 100	RF Transformers		SMD/SMT	200 kHz to 120 MHz		50 Ohms	50 Ohms		- 20 C	+ 85 C	Single	7.87 mm x 5.59 mm x 4.11 mm	7.87 mm	5.59 mm	4.11 mm	ADTT4	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10/100/1000 Base-T Transformer 1 Port 749024012 Wurth Elektronik 1: HK$179.28 1,562In Stock	Mfr. Part No. 749024012 Mouser Part No 710-749024012	Wurth Elektronik	Audio Transformers / Signal Transformers 10/100/1000 Base-T Transformer 1 Port Learn More about Wurth Elektronik wurth WE LAN transformers	Datasheet	1,562In Stock	Cut Tape HK$179.28 HK$173.11 HK$163.50 Reel HK$146.15 HK$137.03 MouseReel Available	Min.: 1 Mult.: 1 : 175	LAN Transformers	LAN	SMD/SMT		350 uH			4 kVAC	- 40 C	+ 85 C			28.57 mm	12.7 mm	12.7 mm	WE-LAN	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC 100B-1003XNL iNRCORE 1: HK$197.69 1,186In Stock	Mfr. Part No. 100B-1003XNL Mouser Part No 673-100B-1003XNL	iNRCORE	Audio Transformers / Signal Transformers EXTMP XFMR 100BT SMG COM PBC	Datasheet	1,186In Stock	HK$197.69 HK$178.05 HK$167.03 HK$161.69 View HK$158.65 HK$152.48 HK$148.12	Min.: 1 Mult.: 1																100B	Tube
Audio Transformers / Signal Transformers POE13P Flyback PoE 13uH 12 V 1.08 A POE13P-12LD Coilcraft Restricted Availability	Mfr. Part No. POE13P-12LD Mouser Part No 994-POE13P-12LD	Coilcraft	Audio Transformers / Signal Transformers POE13P Flyback PoE 13uH 12 V 1.08 A Learn More about Coilcraft poexp flyback transformers Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability	PoE Transformers	Flyback	SMD/SMT	250 kHz					- 40 C	+ 85 C	Single		13.46 mm	13 mm	12.7 mm	POE13P	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A POE300F-50LD Coilcraft Restricted Availability	Mfr. Part No. POE300F-50LD Mouser Part No 994-POE300F-50LD	Coilcraft	Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A Learn More about Coilcraft poe300f flyback transformers Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	PoE Transformers	Flyback	SMD/SMT	250 kHz					- 40 C	+ 125 C	Single		21 mm	20.57 mm	11.43 mm	POE300F	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz PWB-4-ALC Coilcraft Restricted Availability	Mfr. Part No. PWB-4-ALC Mouser Part No 994-PWB-4-ALC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	RF Transformers		SMD/SMT	150 kHz to 500 MHz					- 40 C	+ 85 C	Single		6.77 mm	6.48 mm	4.45 mm	PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz WBC9-1LC Coilcraft Restricted Availability	Mfr. Part No. WBC9-1LC Mouser Part No 994-WBC9-1LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	RF Transformers		SMD/SMT	300 kHz to 500 MHz	81 uH			300 V	- 40 C	+ 85 C		4.45 mm x 4.19 mm x 3.05 mm	4.45 mm	4.19 mm	3.05 mm	WBC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Flyback PoE 24W 21uH 12V 6.3A POE24PR-12ED Coilcraft Restricted Availability	Mfr. Part No. POE24PR-12ED Mouser Part No 994-POE24PR-12ED	Coilcraft	Audio Transformers / Signal Transformers Flyback PoE 24W 21uH 12V 6.3A Learn More about Coilcraft flyback forward poe transformers Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability	PoE Transformers	Flyback	SMD/SMT	200 kHz	21 uH				- 40 C	+ 125 C	Single		14.5 mm	13 mm	14 mm	POE21PR	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T 1000B-5016T iNRCORE 1: HK$254.33 136In Stock	Mfr. Part No. 1000B-5016T Mouser Part No 673-1000B-5016T	iNRCORE	Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T	Datasheet	136In Stock	Cut Tape HK$254.33 HK$226.79 HK$216.60 HK$209.12 View Reel HK$184.29 HK$201.97 HK$195.14 HK$184.29 Quote	Min.: 1 Mult.: 1 : 700																1000B	Reel, Cut Tape
Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72 DA2257-ALD Coilcraft Restricted Availability	Mfr. Part No. DA2257-ALD Mouser Part No 994-DA2257-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72 Learn More about Coilcraft power magnetics Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability	PoE Transformers	Flyback	SMD/SMT	250 kHz	35 uH			2 kV	- 40 C	+ 85 C	Single		13.46 mm	13 mm	12.7 mm	DA2257	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.075-90 MHz PWB-16-BLC Coilcraft Restricted Availability	Mfr. Part No. PWB-16-BLC Mouser Part No 994-PWB-16-BLC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.075-90 MHz Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	RF Transformers															PWB	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz WBC4-4LC Coilcraft Restricted Availability	Mfr. Part No. WBC4-4LC Mouser Part No 994-WBC4-4LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz Mouser does not presently sell this product in your region.	Datasheet	More Info Available		Restricted Availability	RF Transformers		SMD/SMT	250 kHz to 800 MHz					- 40 C	+ 85 C			4.45 mm	4.19 mm	3.05 mm	WBC	Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz 1812WBT-3LC Coilcraft Restricted Availability	Mfr. Part No. 1812WBT-3LC Mouser Part No 994-1812WBT-3LC	Coilcraft	Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz Learn More about Coilcraft 1812WBT Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	RF Transformers		SMD/SMT	4 MHz to 200 MHz	1.25 uH			50 V	- 40 C	+ 85 C	Single	1812 (4532 metric)	4.52 mm	3.81 mm	3.43 mm	1812WBT	Reel, Cut Tape, MouseReel