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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PL3183NLTPOWER |
3,763 | - |
|
Datasheet | - | Tape & Reel (TR) | Active | 1:1 | 150 | - | 12Ohm | 14Ohm | General Purpose | - | - | 1250V | 1.5dB | - | - | -40°C ~ 130°C | - | Surface Mount | - | - | Gull Wing |
|
|
PL3183TPOWER |
2,345 | - |
|
Datasheet | - | Tape & Reel (TR) | Active | 1:1 | 150 | - | 12Ohm | 14Ohm | General Purpose | - | - | 1250V | 1.5dB | - | - | -40°C ~ 130°C | - | Surface Mount | - | - | Gull Wing |
|
|
PL3141NLTPOWER |
3,437 | - |
|
Datasheet | - | Tape & Reel (TR) | Active | 1:1 | 600 | - | 55Ohm | 67Ohm | General Purpose | 300Hz ~ 3.5kHz | ±0.5dB | 1000V | 1.5dB | - | - | -40°C ~ 85°C | - | Surface Mount | 0.709" L x 0.551" W (18.01mm x 14.00mm) | 0.413" (10.49mm) | Gull Wing |
|
|
PL3183NLPOWER |
1,151 | - |
|
Datasheet | - | Tube | Active | 1:1 | 150 | - | 12Ohm | 14Ohm | General Purpose | - | - | 1250V | 1.5dB | - | - | -40°C ~ 130°C | - | Surface Mount | - | - | Gull Wing |
|
|
PL3183POWER |
2,443 | - |
|
Datasheet | - | Tube | Active | 1:1 | 150 | - | 12Ohm | 14Ohm | General Purpose | - | - | 1250V | 1.5dB | - | - | -40°C ~ 130°C | - | Surface Mount | - | - | Gull Wing |
|
SP-128AUDIO XFMR TH |
3,762 | - |
|
Datasheet | Red-Spec | Bulk | Active | - | - | - | 15Ohm | - | - | - | - | 1000VRMS @ 1 Second | - | - | - | -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-42-BAUDIO XFMR 150CT / 12 TH |
2,481 | - |
|
Datasheet | Red-Spec | Bulk | Active | 3.54:1 | 150CT | 12 | 18Ohm | 2.7Ohm | 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-33-BAUDIO XFMR 1K / 50 TH |
4,121 | - |
|
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-20AUDIO XFMR 10KCT / 1.2KCT TH |
4,164 | - |
|
Datasheet | Red-Spec | Bulk | Active | 2.88:1 | 10kCT | 1.2kCT | 1.05kOhm | 200Ohm | 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-128-BAUDIO XFMR TH |
3,454 | - |
|
Datasheet | Red-Spec | Bulk | Active | - | - | - | 15Ohm | - | - | - | - | 1000VRMS @ 1 Second | - | - | - | -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-20-BAUDIO XFMR 10KCT / 1.2KCT TH |
3,782 | - |
|
Datasheet | Red-Spec | Bulk | Active | 2.88:1 | 10kCT | 1.2kCT | 1.05kOhm | 200Ohm | 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-21-BAUDIO XFMR 10KCT / 2KCT TH |
3,546 | - |
|
Datasheet | Red-Spec | Bulk | Active | 2.24:1 | 10kCT | 2kCT | 1.05kOhm | 330Ohm | 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-22-BAUDIO XFMR 10K / 2K 500/500 TH |
1,384 | - |
|
Datasheet | Red-Spec | Bulk | Active | 4.48:1:1 | 10k | 2k, 500/500 | 1.05kOhm | 146/168Ohm | 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-29-BAUDIO XFMR 10KCT / 500CT TH |
3,285 | - |
|
Datasheet | Red-Spec | Bulk | Active | 4.47:1 | 10kCT | 500CT | 1.05kOhm | 80Ohm | 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-48-BAUDIO XFMR 7.5KCT / 12 TH |
3,274 | - |
|
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 |
|
|
SP-68-BXFMR 10K / 10K 2.5K/2.5K TH |
1,513 | - |
|
Datasheet | Red-Spec | Bulk | Active | 2.1:1 | 10k | 10k, 2.5k/2.5k | 1kOhm | 565/650Ohm | 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 |
|
|
PL3141TPOWER |
4,743 | - |
|
Datasheet | - | Tape & Reel (TR) | Active | 1:1 | 600 | - | 55Ohm | 67Ohm | General Purpose | 300Hz ~ 3.5kHz | ±0.5dB | 1000V | 1.5dB | - | - | -40°C ~ 85°C | - | Surface Mount | 0.709" L x 0.551" W (18.01mm x 14.00mm) | 0.413" (10.49mm) | Gull Wing |
|
SP-52-BAUDIO XFMR 1.5KCT / 600 TH |
2,176 | - |
|
Datasheet | Red-Spec | Bulk | Active | 1.58:1 | 1.5kCT | 600 | 168Ohm | 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-32AUDIO XFMR 500 / 50 TH |
3,652 | - |
|
Datasheet | Red-Spec | Bulk | Active | 3.16:1 | 500 | 50 | 60Ohm | 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-49-BAUDIO XFMR 300CT / 600 TH |
2,731 | - |
|
Datasheet | Red-Spec | Bulk | Active | 1:1.42 | 300CT | 600 | 41Ohm | 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 |
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.
