Audio Transformers

Browse available Audio Transformers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.

Compare Part Numbers Review available models and manufacturers

Datasheets & Specifications Access technical references quickly

RFQ & BOM Support Send quantities for sourcing and quotation

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
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
AT4539 AUDIO XFMR SMD Allied Components International	1,924	-	RFQ	Datasheet	-	Box	Active	1:1	-	-	230mOhm	230mOhm	Line (Audio Power Distribution)	-	-	2000V	-	-	-	-40°C ~ 85°C	-	Surface Mount	-	0.295" (7.50mm)	Gull Wing
T60403K5024X10081 AUDIO XFMR VACUUMSCHMELZE	3,237	-	RFQ	Datasheet	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
T60403K4096X04683 AUDIO XFMR VACUUMSCHMELZE	1,414	-	RFQ	Datasheet	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
108H-BULK TRANSFORMER Hammond Manufacturing	4,358	-	RFQ	Datasheet	108	Bulk	Active	1:1	600CT	600CT	65Ohm	69Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100V	-	-	150mW	-40°C ~ 105°C	-	Through Hole	1.030" L x 0.770" W (26.16mm x 19.56mm)	0.770" (19.56mm)	PC Pin
1750AX OUTPUT TRANSFORMER, GUITAR AMP, Hammond Manufacturing	4,550	-	RFQ	Datasheet	1750	Bulk	Active	-	37.4k	69.16	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	-	-	-	-	-	-	-	Chassis Mount	-	-	Wire Leads
117K4-BULK TRANSFORMER Hammond Manufacturing	4,674	-	RFQ	Datasheet	117	Bulk	Active	-	-	8	400mOhm	-	Impedance Matching	100Hz ~ 10kHz	±1dB	500V	2dB	-	4W	-40°C ~ 105°C	-	Chassis Mount	2.810" L x 1.500" W (71.37mm x 38.10mm)	1.690" (42.93mm)	Solder Lug
148E-BULK TRANSFORMER Hammond Manufacturing	4,723	-	RFQ	Datasheet	148	Bulk	Active	-	500	125/500	-	60Ohm	Economical Open Type	200Hz ~ 15kHz	±1dB	250V	0.5dB	-	75mW	-	-	Through Hole	-	0.690" (17.53mm)	PC Pin
148A-BULK TRANSFORMER Hammond Manufacturing	4,591	-	RFQ	Datasheet	148	Bulk	Active	-	150/600	600,2.4k	45Ohm	300mOhm	Economical Open Type	200Hz ~ 15kHz	±1dB	250V	0.5dB	-	300mW	-	-	Through Hole	-	0.690" (17.53mm)	PC Pin
1760JB OUTPUT TRANSFORMER, GUITAR AMP, Hammond Manufacturing	3,788	-	RFQ	Datasheet	176	Bulk	Active	-	48.5k	334.5	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	-	-	-	-	-	-	-	Chassis Mount	-	-	Wire Leads
1760CP Tools/Equipment/Hardware Hammond Manufacturing	4,168	-	RFQ	Datasheet	1750	Bulk	Active	-	5k, 8k	4, 8	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	-	-	-	-	-	-	-	Chassis Mount	-	-	Wire Leads
148D-BULK TRANSFORMER Hammond Manufacturing	4,477	-	RFQ	Datasheet	148	Bulk	Active	-	200k	1k	-	-	Economical Open Type	200Hz ~ 15kHz	±1dB	250V	0.5dB	-	3mW	-	-	Through Hole	-	0.690" (17.53mm)	PC Pin
1750ORF OUTPUT TRANSFORMER, GUITAR AMP, Hammond Manufacturing	4,881	-	RFQ	Datasheet	1750	Bulk	Active	-	6kCT	8, 16	-	-	Push-Pull Audiophile, Ultra-Linear - Tube Output	-	-	-	-	-	-	-	-	Chassis Mount	-	-	Wire Leads

WINSUN SOURCING SUPPORT

Need Audio Transformers Sourcing Support?

Send the manufacturer, part number, quantity and target delivery requirement. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and hard-to-find or obsolete components.

Global component sourcing support BOM, shortage and EOL support

Send part number & quantity Request a Quote

Need sourcing assistance? Contact Sales

FREQUENTLY ASKED QUESTIONS

Audio Transformers FAQ

Common questions about selecting, comparing and sourcing Audio Transformers components through Winsun (HK) Electronics.

What should I check when selecting Audio Transformers components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific Audio Transformers part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find Audio Transformers parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for Audio Transformers components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.