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.
| Photo | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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MET-42AUDIO XFMR 150 / 12 TH |
469 | - |
|
Datasheet | MET | Tube | Active | 3.54:1 | 150 | 12 | 20Ohm | 2.5Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 500VRMS @ 30 Seconds | - | - | 50mW | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |
|
SP-48AUDIO XFMR 7.5KCT / 12 TH |
6,821 | - |
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Datasheet | Red-Spec | Bulk | Active | 25:1 | 7.5kCT | 12 | 796Ohm | 2.9Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |
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SP-33AUDIO XFMR 1K / 50 TH |
2,779 | - |
|
Datasheet | Red-Spec | Bulk | Active | 4.4:1 | 1k | 50 | 145Ohm | 8Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |
|
SP-66AUDIO XFMR 10KCT / 10KCT TH |
1,196 | - |
|
Datasheet | Red-Spec | Bulk | Active | 1:1 | 10kCT | 10kCT | 1kOhm | 1.3kOhm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |
|
|
SP-67AUDIO XFMR 600CT / 600CT TH |
5,798 | - |
|
Datasheet | Red-Spec | Bulk | Active | 1:1 | 600CT | 600CT | 72Ohm | 92Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |
|
|
SP-69AUDIO XFMR 600 / 600 150/150 TH |
1,675 | - |
|
Datasheet | Red-Spec | Bulk | Active | 2:1:1 | 600 | 600, 150/150 | 72Ohm | 40Ohm, 45Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |
|
|
SP-70AUDIO XFMR 600 / 600 TH |
1,267 | - |
|
Datasheet | Red-Spec | Bulk | Active | 1:1 | 600 | 600 | 72Ohm | 92Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |
|
SP-50AUDIO XFMR 500CT / 600 TH |
574 | - |
|
Datasheet | Red-Spec | Bulk | Active | 1:1.1 | 500CT | 600 | 67Ohm | 98Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |
|
SP-5AUDIO XFMR 50KCT / 1KCT TH |
168 | - |
|
Datasheet | Red-Spec | Bulk | Active | 7.1:1 | 50kCT | 1kCT | 3.8kOhm | 75Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 25mW | -40°C ~ 85°C | - | Through Hole | 0.410" L x 0.310" W (10.41mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |
|
101FAUDIO XFMR 600CT / 600CT TH |
287 | - |
|
Datasheet | 101 | Bulk | Active | 1:1 | 600CT | 600CT | 44Ohm | 52Ohm | Miniature Epoxy Potted | 200Hz ~ 100kHz | ±0.5dB | 100VRMS | - | - | 100mW | -40°C ~ 85°C | - | Through Hole | 0.450" L x 0.450" W (11.43mm x 11.43mm) | 0.480" (12.19mm) | PC Pin |
|
149UAUDIO XFMR 600 150/150 / 8 TH |
101 | - |
|
Datasheet | 149 | Bulk | Active | - | 600, 150/150 | 8 | 53Ohm | 95Ohm | Economical Open Type | 200Hz ~ 15kHz | ±1dB | - | 0.5dB | - | 1000mW | - | - | Through Hole | 1.060" L x 0.820" W (26.92mm x 20.83mm) | 0.820" (20.83mm) | PC Pin |
|
TTC-5036AUDIO XFMR 600 / 287 SMD |
1,598 | - |
|
Datasheet | TTC | Tape & Reel (TR) | Active | 1:1 | 600 | 287 | 175Ohm | 175Ohm | Data/Voice Coupling | 200Hz ~ 4kHz | ±0.2dB | 1875VRMS @ 1 Second | 4dB Max @ 2kHz | 14dB Min @ 200Hz ~ 4kHz | - | -20°C ~ 85°C | UL60950, EN60950 | Surface Mount | 0.378" L x 0.492" W (9.60mm x 12.50mm) | 0.299" (7.60mm) | Flat Lead |
|
ESMIT-4180/CAUDIO XFMR SMD |
13,363 | - |
|
Datasheet | ESMIT | Tape & Reel (TR) | Active | - | - | - | 250mOhm | 250mOhm | - | - | - | 3750Vrms | - | - | - | -40°C ~ 125°C | - | Surface Mount | 0.280" L x 0.205" W (7.10mm x 5.20mm) | 0.138" (3.50mm) | Gull Wing |
|
TY-311PAUDIO XFMR 600 / 600 TH |
3,861 | - |
|
Datasheet | TY | Bulk | Active | 1:1.05 | 600 | 600 | 38Ohm | 53Ohm | Data/Voice Coupling | 300Hz ~ 3.5kHz | ±0.5dB | 1500VAC | 1dB Typ | 26dB Typ | -45dB ~ 7dB | -20°C ~ 85°C | - | Through Hole | 0.812" L x 0.715" W (20.62mm x 18.16mm) | 0.740" (18.80mm) | PC Pin |
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TY-144PAUDIO XFMR 15KCT / 15KCT TH |
269 | - |
|
Datasheet | TY | Bulk | Active | 1:1 | 15kCT | 15kCT | 1.18kOhm | 1.6kOhm | Data/Voice Coupling | 200Hz ~ 15kHz | ±2dB | 1500V | 1.5dB | 26dB | 100mW | -20°C ~ 85°C | - | Through Hole | 0.812" L x 0.700" W (20.62mm x 17.78mm) | 0.740" (18.80mm) | PC Pin |
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TTC-105AUDIO XFMR 600 / 600 TH |
143 | - |
|
Datasheet | TTC | Bulk | Active | 1:1 | 600 | 600 | 71Ohm | 117Ohm | Data/Voice Coupling | 660Hz ~ 3.5kHz | -1dB ~ 0.7dB | 1500VRMS @ 1 Minute | 3dB Max @ 660Hz ~ 800Hz, 2.5dB Max @ 800Hz @ 3.5kHz | - | -45dB ~ 10dB | - | CSA-C22.2 No. 66-M1988, UL1459 | Through Hole | 0.839" L x 0.630" W (21.30mm x 16.00mm) | 0.748" (19.00mm) | PC Pin |
|
MET-39-TAUDIO XFMR 500 / 50 TH |
707 | - |
|
Datasheet | MET | Bulk | Active | 3.16:1 | 500 | 50 | 55Ohm | 8Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |
|
|
TY-146PXFMR 600 150/150 / 600 150/150 |
2,675 | - |
|
Datasheet | TY | Bulk | Active | 1:1 | 600, 150/150 | 600, 150/150 | 17Ohm, 19Ohm | 14.5Ohm, 22Ohm | Data/Voice Coupling | 200Hz ~ 15kHz | ±2dB | 1500V | 1.5dB | 26dB | 1W | -20°C ~ 85°C | - | Through Hole | 1.375" L x 1.187" W (34.93mm x 30.15mm) | 1.187" (30.15mm) | PC Pin |
|
MET-23-TAUDIO XFMR 1.6KCT / 3.2 TH |
265 | - |
|
Datasheet | MET | Bulk | Active | 22.4:1 | 1.6kCT | 3.2 | 230Ohm | 1Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 65mW | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |
|
|
MET-35-TAUDIO XFMR 600CT / 8 TH |
175 | - |
|
Datasheet | MET | Bulk | Active | 8.66:1 | 600CT | 8 | 60Ohm | 1.5Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 50mW | -20°C ~ 85°C | - | Through Hole | 0.409" L x 0.310" W (10.40mm x 7.87mm) | 0.465" (11.80mm) | PC Pin |
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.
