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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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SP-50-BAUDIO XFMR 500CT / 600 TH |
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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 |
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SP-69-BAUDIO XFMR 600 / 600 150/150 TH |
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Datasheet |
Red-Spec | Bulk | Active | 2.1:1 | 600 | 600, 150/150 | 1kOhm | Parallel @ 565Ohm, Series @ 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 |
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TY-306PAUDIO XFMR 600 150/150 / 600 TH |
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Datasheet |
TY | Bulk | Active | 1:1 | 600, 150/150 | 600 | 31Ohm, 31Ohm | 108Ohm | Data/Voice Coupling | 300Hz ~ 3.5kHz | ±0.5dB | 1500VAC | 1.5dB Typ | 10dB Typ | -45dB ~ 7dB | -20°C ~ 85°C | - | Through Hole | 1.650" L x 1.375" W (41.91mm x 34.93mm) | 0.680" (17.27mm) | PC Pin |
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SP-13-BXFMR 25KCT 20KCT / 1KCT 800CT TH |
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Datasheet |
Red-Spec | Bulk | Active | 5:1 | 25kCT, 20kCT | 1kCT, 800CT | 1.7kOhm | 115Ohm | Audio Coupling | 300Hz ~ 100kHz | ±2dB | 1000VRMS @ 1 Second | - | - | 40mW | -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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TY-306P-BAUDIO XFMR 600/600 / 600 TH |
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Datasheet |
TY | Bulk | Active | 1:2.21 | 600/600 | 600 | 31Ohm, 31Ohm | 108Ohm | Data/Voice Coupling | 300Hz ~ 3.5kHz | ±0.5dB | 1500VAC | 1.5dB Typ | 10dB Typ | -45dB ~ 7dB | -20°C ~ 85°C | - | Through Hole | 1.650" L x 1.375" W (41.91mm x 34.93mm) | 0.680" (17.27mm) | PC Pin |
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TY-305PAUDIO XFMR 600 / 600 TH |
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Datasheet |
TY | Bulk | Active | 1:0.90 | 600 | 600 | 108Ohm | 61Ohm | Data/Voice Coupling | 300Hz ~ 3.5kHz | ±0.5dB | 1500VAC | 1.5dB Typ | 10dB Typ | -45dB ~ 7dB | -20°C ~ 85°C | - | Through Hole | 1.650" L x 1.375" W (41.91mm x 34.93mm) | 0.680" (17.27mm) | PC Pin |
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TY-305P-BAUDIO XFMR 600 / 600 TH |
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Datasheet |
TY | Bulk | Active | 1:0.90 | 600 | 600 | 108Ohm | 61Ohm | Data/Voice Coupling | 300Hz ~ 3.5kHz | ±0.5dB | 1500VAC | 1.5dB Typ | 10dB Typ | -45dB ~ 7dB | -20°C ~ 85°C | - | Through Hole | 1.650" L x 1.375" W (41.91mm x 34.93mm) | 0.680" (17.27mm) | PC Pin |
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PL3141POWER |
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Datasheet |
- | Tube | 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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PL3141NLPOWER |
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Datasheet |
- | Tube | 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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108PAUDIO XFMR 10KCT / 1.5KCT TH |
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Datasheet |
108 | Bulk | Active | 2.58:1 | 10kCT | 1.5kCT | 438Ohm | 110Ohm | Miniature Epoxy Potted | 300Hz ~ 50kHz | ±1.5dB | 500Vrms | - | - | 150mW | - | - | Through Hole | 1.030" L x 0.770" W (26.16mm x 19.56mm) | 0.770" (19.56mm) | PC Pin |
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102HAUDIO XFMR 2K / 500CT TH |
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Datasheet |
102 | Bulk | Active | - | 2k | 500CT | 341Ohm | 62Ohm | Miniature Epoxy Potted | 310Hz | -1dB | 100V | 1.5dB | - | 20mW | - | - | Through Hole | 0.570" L x 0.570" W (14.48mm x 14.48mm) | 0.480" (12.19mm) | PC Pin |
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102JAUDIO XFMR 6K / 2KCT TH |
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Datasheet |
102 | Bulk | Active | - | 6k | 2kCT | 900Ohm | 260Ohm | Miniature Epoxy Potted | 310Hz | -1dB | 100V | 1.5dB | - | 20mW | - | - | Through Hole | 0.570" L x 0.570" W (14.48mm x 14.48mm) | 0.480" (12.19mm) | PC Pin |
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102KAUDIO XFMR 10K / 2KCT TH |
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Datasheet |
102 | Bulk | Active | - | 10k | 2kCT | 1.585kOhm | 260Ohm | Miniature Epoxy Potted | 310Hz | -1dB | 100V | 1.5dB | - | 20mW | - | - | Through Hole | 0.570" L x 0.570" W (14.48mm x 14.48mm) | 0.480" (12.19mm) | PC Pin |
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148FXFMR 1.5K / 500 125/125 TH |
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Datasheet |
148 | Bulk | Active | - | 1.5k | 500, 125/125 | 220Ohm | 58Ohm | Economical Open Type | 200Hz ~ 15kHz | ±1dB | - | 0.5dB | - | 75mW | - | - | Through Hole | 0.820" L x 0.680" W (20.83mm x 17.27mm) | 0.690" (17.53mm) | PC Pin |
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144BAUDIO XFMR 200CT / 3.2 CHAS MNT |
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Datasheet |
144 | Bulk | Active | - | 200CT | 3.2 | 10Ohm | - | Economical Open Type | 150Hz ~ 15kHz | ±1dB | - | - | - | 150mW | - | - | Chassis Mount | 1.000" L x 0.690" W (25.40mm x 17.53mm) | 0.690" (17.53mm) | Wire Leads |
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146DAUDIO XFMR 100CT / 3.2 CHAS MNT |
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Datasheet |
146 | Bulk | Active | - | 100CT | 3.2 | 4.4Ohm | 300mOhm | Economical Open Type | 150Hz ~ 15kHz | ±1dB | - | - | - | 700mW | - | - | Chassis Mount | 1.630" L x 0.880" W (41.40mm x 22.35mm) | 0.810" (20.57mm) | Wire Leads |
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141BAUDIO XFMR 200KCT / 1K TH |
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Datasheet |
141 | Bulk | Active | - | 200kCT | 1k | 3.775kOhm | 85Ohm | Low Profile, Open Type | 200Hz ~ 15kHz | ±2dB | - | - | - | 4mW | - | - | Through Hole | 0.780" L x 0.660" W (19.81mm x 16.76mm) | 0.460" (11.68mm) | PC Pin |
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141MAUDIO XFMR 30KCT / 1.2KCT TH |
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Datasheet |
141 | Bulk | Active | - | 30kCT | 1.2kCT | 1.1kOhm | 47Ohm | Low Profile, Open Type | 200Hz ~ 15kHz | ±2dB | - | - | - | 100mW | - | - | Through Hole | 0.780" L x 0.660" W (19.81mm x 16.76mm) | 0.460" (11.68mm) | PC Pin |
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141DAUDIO XFMR 3KCT / 1KCT TH |
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Datasheet |
141 | Bulk | Active | - | 3kCT | 1kCT | 120Ohm | 51Ohm | Low Profile, Open Type | 200Hz ~ 15kHz | ±2dB | - | - | - | 150mW | - | - | Through Hole | 0.780" L x 0.660" W (19.81mm x 16.76mm) | 0.460" (11.68mm) | PC Pin |
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104KAUDIO XFMR 20K / 1KCT TH |
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Datasheet |
104 | Bulk | Active | - | 20k | 1kCT | 790Ohm | 125Ohm | Miniature Epoxy Potted | 200Hz | -1dB | 200V | 1dB | - | 35mW | - | - | Through Hole | 0.860" L x 0.710" W (21.84mm x 18.03mm) | 0.750" (19.05mm) | PC Pin |
