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0755-82798135Audio Transformers
Audio Transformers
Audio Transformers are magnetic components used for signal isolation, impedance matching, noise reduction and audio signal coupling in electronic circuits. They are widely used in professional audio equipment, amplifiers, mixers, communication devices, broadcasting systems, audio interfaces, instrumentation, consumer electronics and embedded audio applications.
This category includes audio isolation transformers, line matching transformers, microphone transformers, speaker transformers, impedance matching transformers, signal transformers and related magnetic components for audio systems. These products are commonly selected based on impedance ratio, frequency response, isolation voltage, signal level, distortion performance, mounting type, package style and application requirements.
TomatoElec supplies original Audio Transformers from recognized manufacturers such as Hammond Manufacturing, Triad Magnetics, Bourns, Pulse Electronics, Würth Elektronik, Murata, TDK, TE Connectivity and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| 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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PL3183NLTPOWER |
0 | - |
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Datasheet |
- | Tape & Reel (TR) | Active | 1:1 | 150 | - | 12Ohm | 14Ohm | General Purpose | - | - | 1250V | 1.5dB | - | - | -40°C ~ 130°C | - | Surface Mount | - | - | Gull Wing |
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PL3183TPOWER |
0 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | 1:1 | 150 | - | 12Ohm | 14Ohm | General Purpose | - | - | 1250V | 1.5dB | - | - | -40°C ~ 130°C | - | Surface Mount | - | - | Gull Wing |
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PL3141NLTPOWER |
0 | - |
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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 |
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PL3183NLPOWER |
0 | - |
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Datasheet |
- | Tube | Active | 1:1 | 150 | - | 12Ohm | 14Ohm | General Purpose | - | - | 1250V | 1.5dB | - | - | -40°C ~ 130°C | - | Surface Mount | - | - | Gull Wing |
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PL3183POWER |
0 | - |
|
Datasheet |
- | Tube | Active | 1:1 | 150 | - | 12Ohm | 14Ohm | General Purpose | - | - | 1250V | 1.5dB | - | - | -40°C ~ 130°C | - | Surface Mount | - | - | Gull Wing |
|
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SP-128AUDIO XFMR TH |
0 | - |
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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 |
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SP-42-BAUDIO XFMR 150CT / 12 TH |
0 | - |
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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 |
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SP-33-BAUDIO XFMR 1K / 50 TH |
0 | - |
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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 |
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SP-20AUDIO XFMR 10KCT / 1.2KCT TH |
0 | - |
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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 |
|
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SP-128-BAUDIO XFMR TH |
0 | - |
|
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 |
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SP-20-BAUDIO XFMR 10KCT / 1.2KCT TH |
0 | - |
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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 |
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SP-21-BAUDIO XFMR 10KCT / 2KCT TH |
0 | - |
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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 |
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SP-22-BAUDIO XFMR 10K / 2K 500/500 TH |
0 | - |
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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 |
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SP-29-BAUDIO XFMR 10KCT / 500CT TH |
0 | - |
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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 |
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SP-48-BAUDIO XFMR 7.5KCT / 12 TH |
0 | - |
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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-68-BXFMR 10K / 10K 2.5K/2.5K TH |
0 | - |
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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 |
0 | - |
|
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 |
|
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SP-52-BAUDIO XFMR 1.5KCT / 600 TH |
0 | - |
|
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 |
0 | - |
|
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 |
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SP-49-BAUDIO XFMR 300CT / 600 TH |
0 | - |
|
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 |
