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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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 | - |
|
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-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 |
|
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 |
|
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 |
