Audio Transformers

Use the filters and product table below to compare Audio Transformers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	Product Status	Turns Ratio - Primary:Secondary	Impedance - Primary (Ohms)	Impedance - Secondary (Ohms)	DC Resistance (DCR) - Primary	DC Resistance (DCR) - Secondary	Transformer Type	Frequency Range	Frequency Response	Voltage - Isolation	Insertion Loss	Return Loss	Power Level	Operating Temperature	Approval Agency	Mounting Type	Size / Dimension	Height - Seated (Max)	Termination Style
AEI14-4440 AUDIO XFMR 10K / 10K TH Allied Components International	4,344	-	RFQ	Datasheet	-	Tray	Active	1:1	10k	10k	330Ohm	420Ohm	Impedance Matching	-	-	1000V	-	-	-	-40°C ~ 85°C	-	Through Hole	0.689" L x 0.610" W (17.50mm x 15.50mm)	0.551" (14.00mm)	PC Pin
AEE19-3460 AUDIO XFMR 10K / 10K TH Allied Components International	4,326	-	RFQ	Datasheet	-	Tray	Active	1:1	10k	10k	820Ohm	1.08kOhm	Impedance Matching	-	-	1000V	-	-	-	-20°C ~ 85°C	-	Through Hole	0.827" L x 0.787" W (21.00mm x 20.00mm)	0.748" (19.00mm)	PC Pin
AT4412 AUDIO XFMR TH Allied Components International	3,599	-	RFQ	Datasheet	-	Tray	Active	1:1	-	-	44Ohm	56Ohm	Data/Voice Coupling	-	±0.5dB	1500V	1.4dB	-	-	-40°C ~ 85°C	-	Through Hole	0.815" L x 0.650" W (20.70mm x 16.50mm)	0.736" (18.70mm)	PC Pin
AT4547 AUDIO XFMR 600 TH Allied Components International	4,019	-	RFQ	Datasheet	-	Tray	Active	1.35:1:1	600	-	56.5Ohm	40.7Ohm, 40.7Ohm	Data/Voice	-	±1dB	1500VAC	0.8dB Typ	30dB Typ	-	0°C ~ 105°C	-	Through Hole	0.812" L x 0.715" W (20.62mm x 18.16mm)	0.740" (18.80mm)	PC Pin
AEI19-4660 AUDIO XFMR 10K / 10K TH Allied Components International	4,296	-	RFQ	Datasheet	-	Tray	Active	1:1	10k	10k	550Ohm	500Ohm	-	300Hz ~ 3.4kHz	±0.3dB	100VAC	-	-	-	-20°C ~ 80°C	-	Through Hole	0.866" L x 0.630" W (22.00mm x 16.00mm)	0.669" (16.99mm)	PC Pin
AEI19-4467 AUDIO XFMR 600CT / 600CT TH Allied Components International	4,423	-	RFQ	Datasheet	-	Tray	Active	1:1	600CT	600CT	44Ohm	58Ohm	Impedance Matching	200Hz ~ 15kHz	±2dB	1500Vrms @ 1 Second	1.5dB @ 1kHz Max	-	-	0°C ~ 105°C	-	Through Hole	0.812" L x 0.700" W (20.62mm x 17.78mm)	0.740" (18.80mm)	PC Pin
AEI19-4488 AUDIO XFMR 10KCT / 10K TH Allied Components International	4,228	-	RFQ	Datasheet	-	Tray	Active	1:1:2	10kCT	10k	190Ohm, 380Ohm	430Ohm	Impedance Matching	300Hz ~ 3.5kHz	±0.5dB	1200VAC	1dB @ 1kHz Max	24dB @ 300Hz ~ 3.5kHz Min	-	0°C ~ 105°C	-	Through Hole	0.800" L x 0.670" W (20.32mm x 17.02mm)	0.750" (19.05mm)	PC Pin
AEI24-4410 AUDIO XFMR 600CT / 600CT TH Allied Components International	2,874	-	RFQ	Datasheet	-	Tray	Active	1:1	600CT	600CT	65mOhm	55mOhm	Impedance Matching	-	-	100VAC	-	-	460mW	-20°C ~ 80°C	-	Through Hole	0.980" L x 0.720" W (24.89mm x 18.29mm)	0.740" (18.80mm)	PC Pin
AT3945 AUDIO XFMR SMD Allied Components International	4,683	-	RFQ	Datasheet	-	Tape & Reel (TR)	Active	1:1	-	-	-	-	Data/Voice	100kHz ~ 55MHz	-	2000V	-	20dB Min @ 100kHz ~ 10MHz	-	0°C ~ 70°C	-	Surface Mount	0.461" L x 0.394" W (11.70mm x 10.00mm)	0.299" (7.60mm)	Gull Wing
AT4365 AUDIO XFMR TH Allied Components International	1,794	-	RFQ	Datasheet	-	Box	Active	1:1:1	-	-	450mOhm	450mOhm	Impedance Matching	-	-	700V	-	-	-	-40°C ~ 90°C	-	Through Hole	0.650" L x 0.435" W (16.51mm x 11.05mm)	0.350" (8.89mm)	PC Pin

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Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

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FREQUENTLY ASKED QUESTIONS

Audio Transformers FAQ

Common questions about filtering, comparing and sourcing Audio Transformers components.

How can I narrow the Audio Transformers selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Audio Transformers part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.