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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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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 |
|
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 |
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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 |
|
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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 |
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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 |
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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 |
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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 |
|
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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 |
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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 |
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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 |
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.