.hide-partial { max-height: none; } .show-more { display: none; }

Audio & Signal Transformers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 4,544

Applied Filters:

Manufacturer

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

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Termination Style	Frequency Range	Inductance	Isolation Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Number of Channels	Package / Case	Length	Width	Height	Series	Qualification	Packaging
Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz PWB-4-ALC Coilcraft 1: ¥498.3 1,046In Stock	Mfr. Part # PWB-4-ALC Mouser Part # 994-PWB-4-ALC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.150-500 MHz	Datasheet	1,046In Stock	Cut Tape ¥498.3 ¥411.9 Reel ¥350.5 ¥340.5 ¥323.9 View ¥313.9 ¥304 MouseReel Available	Min.: 1 Mult.: 1 : 250	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 1: ¥1,097.9 544In Stock	Mfr. Part # WBC9-1LC Mouser Part # 994-WBC9-1LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:9 0.300-500 MHz	Datasheet	544In Stock	Cut Tape ¥1,097.9 ¥936.8 ¥800.6 Reel ¥724.2 ¥720.9 MouseReel Available	Min.: 1 Mult.: 1 : 750	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 XFMR LAN 10/100/1000 BASE-T 1000B-5016T iNRCORE 1: ¥5,139.1 86In Stock	Mfr. Part # 1000B-5016T Mouser Part # 673-1000B-5016T	iNRCORE	Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T	Datasheet	86In Stock	Cut Tape ¥5,139.1 ¥4,582.7 ¥4,376.7 ¥4,225.6 View Reel ¥3,724 ¥4,081.1 ¥3,943.2 ¥3,724 Quote	Min.: 1 Mult.: 1 : 700														1000B		Reel, Cut Tape
Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72 DA2257-ALD Coilcraft 1: ¥867 1,040In Stock 1,750Expected 11/3/2026	Mfr. Part # DA2257-ALD Mouser Part # 994-DA2257-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72 Learn More about Coilcraft power magnetics	Datasheet	1,040In Stock 1,750Expected 11/3/2026	Cut Tape ¥867 ¥686 ¥661.1 ¥616.2 Reel ¥584.7 View ¥559.8 ¥549.8 ¥531.5 Quote MouseReel Available	Min.: 1 Mult.: 1 : 175	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 1: ¥1,184.3 1,543In Stock	Mfr. Part # PWB-16-BLC Mouser Part # 994-PWB-16-BLC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.075-90 MHz	Datasheet	1,543In Stock	Cut Tape ¥1,184.3 ¥1,011.5 ¥973.3 Reel ¥827.2 ¥797.3 ¥774 MouseReel Available	Min.: 1 Mult.: 1 : 250	RF Transformers													PWB		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz WBC4-4LC Coilcraft 1: ¥890.3 611In Stock 750Expected 11/23/2026	Mfr. Part # WBC4-4LC Mouser Part # 994-WBC4-4LC	Coilcraft	Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz	Datasheet	611In Stock 750Expected 11/23/2026	Cut Tape ¥890.3 ¥880.3 ¥730.8 Reel ¥631.2 ¥619.6 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 750	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 DA2033 Cap Chrgr For Linear LT3750/51 DA2033-ALD Coilcraft 1: ¥1,154.4 2,680In Stock 1,000Expected 10/29/2026	Mfr. Part # DA2033-ALD Mouser Part # 994-DA2033-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2033 Cap Chrgr For Linear LT3750/51 Learn More about Coilcraft power magnetics	Datasheet	2,680In Stock 1,000Expected 10/29/2026	Cut Tape ¥1,154.4 ¥985 ¥946.8 ¥916.9 Reel ¥807.2 View ¥850.4 ¥777.3 ¥754.1 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	Flyback	SMD/SMT	100 kHz	10 uH	1.5 kV	- 40 C	+ 125 C			18 mm	17 mm	9.78 mm	DA2033		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PoE Plus 850uH DCR=0.24mOhms 1.9A HPX2126LD Coilcraft 1: ¥1,704.2 562In Stock	Mfr. Part # HPX2126LD Mouser Part # 994-HPX2126LD	Coilcraft	Audio Transformers / Signal Transformers PoE Plus 850uH DCR=0.24mOhms 1.9A Learn More about Coilcraft high power poe single path magnetics	Datasheet	562In Stock	Cut Tape ¥1,704.2 ¥1,506.5 ¥1,435.1 ¥1,408.5 Reel ¥1,308.9 View ¥1,365.3 ¥1,265.7 ¥1,225.8 MouseReel Available	Min.: 1 Mult.: 1 : 300	PoE Transformers	Isolated	SMD/SMT	100 kHz	850 uH	1.5 kV	- 40 C	+ 85 C	Single		15.75 mm	14.22 mm	10.8 mm	HPX2126L		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers POE70P Flyback 7uH 5.0 V 1.4 A POE70P-50LD Coilcraft 1: ¥734.2 2,348In Stock	Mfr. Part # POE70P-50LD Mouser Part # 994-POE70P-50LD	Coilcraft	Audio Transformers / Signal Transformers POE70P Flyback 7uH 5.0 V 1.4 A Learn More about Coilcraft poexp flyback transformers	Datasheet	2,348In Stock	Cut Tape ¥734.2 ¥579.7 ¥559.8 ¥521.6 Reel ¥495 View ¥473.4 ¥465.1 ¥450.1 Quote MouseReel Available	Min.: 1 Mult.: 1 : 200	PoE Transformers	Flyback	SMD/SMT	250 kHz			- 40 C	+ 85 C	Single		12.7 mm	10.5 mm	11 mm	POE70P		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec SWB1010-SMLD Coilcraft 1: ¥682.7 2,371In Stock 2,000Expected 11/20/2026	Mfr. Part # SWB1010-SMLD Mouser Part # 994-SWB1010-SMLD	Coilcraft	Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec Learn More about Coilcraft swb transformers	Datasheet	2,371In Stock 2,000Expected 11/20/2026	Cut Tape ¥682.7 ¥554.8 ¥548.1 Reel ¥466.7 ¥445.1 View ¥430.2 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	RF Transformers		SMD/SMT	5 kHz to 100 MHz	780 uH	500 V	- 40 C	+ 85 C	Single	13.21 mm x 7.87 mm x 5.72 mm	13.21 mm	7.87 mm	5.72 mm	SWB		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers E4/STM-01/STS-3/OC-3 16P SMD Single Ch TG04-TDK2NSRL HALO Electronics 1: ¥583 985In Stock	Mfr. Part # TG04-TDK2NSRL Mouser Part # 493-TG04-TDK2NSRL	HALO Electronics	Audio Transformers / Signal Transformers E4/STM-01/STS-3/OC-3 16P SMD Single Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	985In Stock	¥583 ¥551.5 ¥534.8 ¥503.3 View ¥421.9 ¥378.7	Min.: 1 Mult.: 1	Isolation Transformers	Module	SMD/SMT	8 MHz to 240 MHz	36 uH	1.5 kV	- 40 C	+ 85 C	Dual	SMD-6	8.13 mm	7.11 mm	5.08 mm	SMD-E4		Tube
Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port H5200NL Pulse Electronics 1: ¥2,292.2 168In Stock	Mfr. Part # H5200NL Mouser Part # 673-H5200NL	Pulse Electronics	Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port Learn More about Pulse Electronics pulse 1gigabit poe poeplus smd transformers	Datasheet	168In Stock	¥2,292.2 ¥2,069.6 ¥1,958.3 ¥1,855.3 View ¥1,624.5 ¥1,622.8 ¥1,592.9 ¥1,578 Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 125 MHz	350 uH	1.5 kV	0 C	+ 70 C	2 Channel	BGA	14.73 mm	17.27 mm	11.18 mm			Tray
Audio Transformers / Signal Transformers 10GBase-T SMD 120uH 1:1 GEN2 SMD H7028FNL Pulse Electronics 1: ¥1,767.3 233In Stock	Mfr. Part # H7028FNL Mouser Part # 673-H7028FNL	Pulse Electronics	Audio Transformers / Signal Transformers 10GBase-T SMD 120uH 1:1 GEN2 SMD	Datasheet	233In Stock	¥1,767.3 ¥1,582.9 ¥1,504.9 ¥1,456.7 View ¥1,290.6 ¥1,234.1 ¥1,204.2 ¥1,177.6 Quote	Min.: 1 Mult.: 1	LAN Transformers	Module	SMD/SMT	1 MHz to 500 MHz	120 uH	1.5 kV	0 C	+ 70 C	Quad		15 mm	13.7 mm	5.72 mm	10GBase-T		Tube
Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200 HM1238NL Pulse Electronics 1: ¥710.9 802In Stock	Mfr. Part # HM1238NL Mouser Part # 673-HM1238NL	Pulse Electronics	Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200 Learn More about Pulse Electronics pulse battery management systems solutions	Datasheet	802In Stock	¥710.9 ¥611.2 ¥584.7 ¥566.4 View ¥549.8 ¥526.5 ¥516.6	Min.: 1 Mult.: 1	Signal Transformers		SMD/SMT		300 uH	4.3 kV	- 40 C	+ 150 C	Single		8.38 mm	7.69 mm	4.25 mm	BMS	AEC-Q200	Tube
Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.3Ohm 1-Por PE-65351NL Pulse Electronics 1: ¥910.2 790In Stock	Mfr. Part # PE-65351NL Mouser Part # 673-PE-65351NL	Pulse Electronics	Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.3Ohm 1-Por	Datasheet	790In Stock	¥910.2 ¥823.9 ¥790.6 ¥671 View ¥649.5 ¥622.9 ¥604.6 ¥601.3 ¥566.4	Min.: 1 Mult.: 1	ISDN Transformers	Module	Through Hole	50 kHz to 3 MHz	1.2 mH	1.5 kV	0 C	+ 70 C	Dual	HC/3	12.7 mm	8.89 mm	6.35 mm			Tube
Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1Ohm 1-Port PE-65778NL Pulse Electronics 1: ¥920.2 1,590In Stock	Mfr. Part # PE-65778NL Mouser Part # 673-PE-65778NL	Pulse Electronics	Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1Ohm 1-Port	Datasheet	1,590In Stock	¥920.2 ¥832.2 ¥798.9 ¥767.4 View ¥742.5 ¥647.8 ¥624.5 ¥601.3 ¥594.6	Min.: 1 Mult.: 1	ISDN Transformers	Module	Through Hole		1.2 mH	1.5 kV	- 40 C	+ 85 C	Dual	12.7 mm x 8.89 mm x 6.35 mm	12.7 mm	8.89 mm	6.35 mm			Tube
Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz 1812WBT-3LC Coilcraft 1: ¥549.8 3,048In Stock	Mfr. Part # 1812WBT-3LC Mouser Part # 994-1812WBT-3LC	Coilcraft	Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz Learn More about Coilcraft 1812WBT	Datasheet	3,048In Stock	Cut Tape ¥549.8 ¥445.1 ¥428.5 ¥400.3 Reel ¥375.4 View ¥385.4 ¥357.1 ¥347.1 ¥335.5 MouseReel Available	Min.: 1 Mult.: 1 : 600	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
Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750/51 DA2034-ALD Coilcraft 1: ¥1,088 1,752In Stock 1,050Expected 12/7/2026	Mfr. Part # DA2034-ALD Mouser Part # 994-DA2034-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750/51 Learn More about Coilcraft power magnetics	Datasheet	1,752In Stock 1,050Expected 12/7/2026	Cut Tape ¥1,088 ¥928.5 ¥890.3 ¥863.7 Reel ¥760.7 View ¥800.6 ¥732.5 ¥710.9 MouseReel Available	Min.: 1 Mult.: 1 : 175	Flyback Transformers	Flyback	SMD/SMT				- 40 C	+ 125 C	Single		20.57 mm	21 mm	9.78 mm	DA2034		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers FA2732 SMT Flyback For Si3401, Si3402 FA2732-ALD Coilcraft 1: ¥617.9 940In Stock	Mfr. Part # FA2732-ALD Mouser Part # 994-FA2732-ALD	Coilcraft	Audio Transformers / Signal Transformers FA2732 SMT Flyback For Si3401, Si3402 Learn More about Coilcraft power magnetics	Datasheet	940In Stock	Cut Tape ¥617.9 ¥501.6 ¥481.7 ¥451.8 Reel ¥433.5 View ¥421.9 ¥402 ¥390.3 ¥378.7 MouseReel Available	Min.: 1 Mult.: 1 : 200	Flyback Transformers	Flyback	SMD/SMT	400 kHz	40 uH	1.5 kV	- 40 C	+ 85 C	Single		12.7 mm	10.5 mm	11 mm	FA2732		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz PWB1010LC Coilcraft 1: ¥719.2 1,880In Stock 2,750Expected 12/21/2026	Mfr. Part # PWB1010LC Mouser Part # 994-PWB1010LC	Coilcraft	Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz	Datasheet	1,880In Stock 2,750Expected 12/21/2026	Cut Tape ¥719.2 ¥569.7 Reel ¥485 ¥465.1 ¥456.8 View ¥441.8 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	RF Transformers		SMD/SMT	3.5 kHz to 125 MHz			- 40 C	+ 85 C	Single		6.77 mm	6.48 mm	4.45 mm	PWB		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers CJ5143 for NCP5080 350V 1.2A SMT CJ5143-ALC Coilcraft 1: ¥986.6 2,194In Stock 16,500On Order	Mfr. Part # CJ5143-ALC Mouser Part # 994-CJ5143-ALC	Coilcraft	Audio Transformers / Signal Transformers CJ5143 for NCP5080 350V 1.2A SMT Learn More about Coilcraft power magnetics	Datasheet	2,194In Stock 16,500On Order On Order Ship Dates Mfr. #: CJ5143-ALC Stock: 2,194 Can Ship Immediately On Order: 7,250 Expected 11/23/2026 9,250 Expected 1/15/2027 Factory Lead-Time: 10 Weeks	Cut Tape ¥986.6 ¥767.4 Reel ¥652.8 ¥629.5 ¥609.6 ¥606.3 MouseReel Available	Min.: 1 Mult.: 1 : 250	Flyback Transformers	Flyback	SMD/SMT	100 kHz	15 uH	1 kV	- 40 C	+ 125 C	Single		6.8 mm	6.2 mm	4.6 mm	CJ5143		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Flyback PoE 24W 21uH 12V 6.3A POE24PR-12ED Coilcraft 1: ¥1,061.4 1,290In Stock 450Expected 11/23/2026	Mfr. Part # POE24PR-12ED Mouser Part # 994-POE24PR-12ED	Coilcraft	Audio Transformers / Signal Transformers Flyback PoE 24W 21uH 12V 6.3A Learn More about Coilcraft flyback forward poe transformers	Datasheet	1,290In Stock 450Expected 11/23/2026	Cut Tape ¥1,061.4 ¥823.9 ¥790.6 ¥767.4 Reel ¥699.3 View ¥740.8 ¥676 ¥652.8 ¥649.5 MouseReel Available	Min.: 1 Mult.: 1 : 150	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 1000B-5001 iNRCORE 1: ¥6,926.4 68In Stock	Mfr. Part # 1000B-5001 Mouser Part # 673-1000B-5001	iNRCORE	Audio Transformers / Signal Transformers	Datasheet	68In Stock	¥6,926.4 ¥6,232.1 ¥5,541.1 ¥5,341.8 View ¥5,238.8 Quote	Min.: 1 Mult.: 1		Transformer			350 uH	1500 Vrms	- 40 C	+ 85 C	1 Channel		17.78 mm	16 mm	5.97 mm			Tube
Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA HX6164NLT Pulse Electronics 1: ¥905.2 683In Stock	Mfr. Part # HX6164NLT Mouser Part # 673-HX6164NLT	Pulse Electronics	Audio Transformers / Signal Transformers 120uH 1500V T/R=1 2% DC=600mA Learn More about Pulse Electronics pulse ethernet transformers	Datasheet	683In Stock	Cut Tape ¥905.2 ¥818.9 ¥785.7 ¥762.4 Reel ¥682.7 View ¥737.5 ¥607.9 ¥566.4 ¥563.1 MouseReel Available	Min.: 1 Mult.: 1 : 300	PoE Transformers	Module	SMD/SMT		120 uH	1.5 kVrms	- 40 C	+ 85 C	Single		15.24 mm	7.62 mm	8.64 mm	HX		Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por PE-64936NL Pulse Electronics 1: ¥1,109.5 1,033In Stock	Mfr. Part # PE-64936NL Mouser Part # 673-PE-64936NL	Pulse Electronics	Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por Learn More about Pulse Electronics pulsetelecom	Datasheet	1,033In Stock	¥1,109.5 ¥1,053.1 ¥1,034.8 ¥1,018.2 View ¥998.3 ¥596.3 ¥584.7 ¥561.4 ¥556.4	Min.: 1 Mult.: 1	ISDN Transformers	Module	Through Hole	1 MHz to 100 MHz	1.2 mH	1.5 kV	0 C	+ 70 C	Dual		12.7 mm	8.89 mm	6.35 mm			Tube