Audio Transformers
Explore Audio Transformers parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to ICMENU. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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 |
Frequently Asked Questions
What are Audio Transformers components used for?
Audio Transformers components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right Audio Transformers part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can ICMENU help source obsolete or hard-to-find Audio Transformers parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. ICMENU will review your request and provide available stock, pricing and sourcing information.