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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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HS-29AUDIO XFMR 20K/80K OHM SEC |
6 | - |
|
- |
HS | Box | Active | 1:2 | 20k, 5k | 80k, 20k | 935Ohm, 1.02kOhm | 1.647kOhm, 2.272kOhm | Impedance Matching | 20Hz ~ 20kHz | -2.35dB | - | - | - | 20mW | 0°C ~ 70°C | - | Chassis Mount | 1.797" L x 1.469" W (45.64mm x 37.31mm) | 2.531" (64.29mm) | Wire Leads |
|
SPT-202AUDIO XFMR 1KCT / 8CT TH |
65 | - |
|
Datasheet |
SPT-200 | Bulk | Active | - | 1kCT | 8CT | 60Ohm | 800mOhm | Economical Open Type | - | - | 1000Vrms | - | - | 75mW | - | - | Through Hole | 0.598" L x 0.472" W (15.20mm x 12.00mm) | 0.433" (11.00mm) | PC Pin |
|
SPT-204AUDIO XFMR 10KCT / 2KCT TH |
95 | - |
|
Datasheet |
SPT-200 | Bulk | Active | - | 10kCT | 2kCT | 550Ohm | 200Ohm | Economical Open Type | - | - | 1000Vrms | - | - | 75mW | - | - | Through Hole | 0.598" L x 0.472" W (15.20mm x 12.00mm) | 0.433" (11.00mm) | PC Pin |
|
TX-10BAUDIO XFMR 10K / 10K CHAS MNT |
5 | - |
|
- |
TX™ | Retail Package | Active | - | 10k | 10k | - | - | Impedance Matching | 20Hz ~ 20kHz | ±0.5dB | - | - | - | - | 0°C ~ 55°C | CE | Chassis Mount | 1.500" L x 1.201" W (38.10mm x 30.50mm) | 3.000" (76.20mm) | Screw Terminal |
|
140NAUDIO XFMR 50 / 1.5K CHAS MNT |
0 | - |
|
Datasheet |
140 | Bulk | Obsolete | 1:5:5 | 50 | 1.5k | - | - | Shielded | 70Hz ~ 11kHz | ±1dB | - | - | - | - | - | - | Chassis Mount | 1.250" Dia (31.75mm) | 1.000" (25.40mm) | Wire Leads |
|
140QAUDIO XFMR 600CT / 600CT CHAS MT |
0 | - |
|
Datasheet |
140 | Bulk | Obsolete | 1:1 | 600CT | 600CT | - | - | Shielded | 70Hz ~ 11kHz | ±1dB | - | - | - | - | - | - | Chassis Mount | 1.250" Dia (31.75mm) | 1.000" (25.40mm) | Wire Leads |
|
1620AXFMR 6.6KCT / 4, 8, 16 CHAS MNT |
0 | - |
|
Datasheet |
A | Box | Obsolete | - | 6.6kCT | 4, 8, 16 | 66.16Ohm, 74.93Ohm | 170mOhm, 300mOhm, 440mOhm | Push-Pull Audiophile, Ultra-Linear - Tube Output | 30Hz ~ 30kHz | ±1dB | 2000V @ 1 Second | - | - | 20W | - | - | Chassis Mount | 3.500" L x 2.500" W (88.90mm x 63.50mm) | 3.060" (77.72mm) | Wire Leads |
|
807XFMR 30, 7.5/7.5 / 2.4K, 600/600 |
0 | - |
|
Datasheet |
800 | Bulk | Obsolete | - | 30, 7.5/7.5 | 2.4k, 600/600 | - | - | Broadcast Quality | 50Hz ~ 15kHz | ±0.5dB | - | 1dB | - | 15dB | - | - | Chassis Mount | 1.752" L x 1.252" W (44.50mm x 31.80mm) | 2.559" (65.00mm) | Solder Lug |
|
1650KPAUDIO XFMR 3.4KCT / 4, 8, 16 TH |
0 | - |
|
Datasheet |
1600 | Bulk | Obsolete | - | 3.4kCT | 4, 8, 16 | - | - | Push-Pull Potted, Ultra-Linear - Tube Output | 30Hz ~ 30kHz | ±1dB | - | - | - | 50W | - | - | Through Hole | 3.880" L x 3.310" W (98.55mm x 84.07mm) | 4.250" (107.95mm) | - |
|
SPT-130AUDIO XFMR 600CT / 600CT TH |
90 | - |
|
Datasheet |
- | Bulk | Active | - | 600CT | 600CT | 45Ohm | 40Ohm | Economical Open Type | - | - | 1000Vrms | - | - | 75mW | - | - | Through Hole | 0.598" L x 0.472" W (15.20mm x 12.00mm) | 0.433" (11.00mm) | PC Pin |
|
SPT-203AUDIO XFMR 10KCT / 600CT TH |
90 | - |
|
Datasheet |
SPT-200 | Bulk | Active | - | 10kCT | 600CT | 450Ohm | 100Ohm | Economical Open Type | - | - | 1000Vrms | - | - | 75mW | - | - | Through Hole | 0.598" L x 0.472" W (15.20mm x 12.00mm) | 0.433" (11.00mm) | PC Pin |
|
SPT-302AUDIO XFMR 500CT / 500CT TH |
100 | - |
|
Datasheet |
SPT-300 | Bulk | Active | - | 500CT | 500CT | 30Ohm | 28Ohm | Economical Open Type | - | - | 1000Vrms | - | - | 100mW | - | - | Through Hole | 0.697" L x 0.630" W (17.70mm x 16.00mm) | 0.551" (14.00mm) | PC Pin |
|
SPT-301AUDIO XFMR 500CT / 8CT TH |
100 | - |
|
Datasheet |
SPT-300 | Bulk | Active | - | 500CT | 8CT | 22Ohm | 800mOhm | Economical Open Type | - | - | 1000Vrms | - | - | 100mW | - | - | Through Hole | 0.697" L x 0.630" W (17.70mm x 16.00mm) | 0.551" (14.00mm) | PC Pin |
|
SPT-304AUDIO XFMR 48CT / 8CT TH |
100 | - |
|
Datasheet |
SPT-300 | Bulk | Active | - | 48CT | 8CT | 2.5Ohm | 500mOhm | Economical Open Type | - | - | 1000Vrms | - | - | 100mW | - | - | Through Hole | 0.697" L x 0.630" W (17.70mm x 16.00mm) | 0.551" (14.00mm) | PC Pin |
|
SPT-403AUDIO XFMR 1.2KCT / 8CT TH |
100 | - |
|
Datasheet |
SPT-400 | Bulk | Active | - | 1.2kCT | 8CT | 80Ohm | 800mOhm | Economical Open Type | - | - | 1000Vrms | - | - | 200mW | - | - | Through Hole | 0.799" L x 0.571" W (20.30mm x 14.50mm) | 0.638" (16.20mm) | PC Pin |
|
PAM-D-3.5-13TFender Reverb Driver, 3.5 Watts |
50 | - |
|
- |
- | Tape & Box (TB) | Active | - | 25k | 8 | - | - | General Purpose | - | - | - | - | - | 3.5W | - | - | Chassis Mount | 1.836" L x 1.437" W (46.64mm x 36.50mm) | 1.750" (44.45mm) | Wire Leads |
|
TY-403PAUDIO XFMR 600 / 600 TH |
0 | - |
|
Datasheet |
TY | Bulk | Active | 1.81:1 | 600 | 600 | 80Ohm | 56Ohm, 56Ohm | Data/Voice Coupling | 300Hz ~ 3.5kHz | ±0.5dB | 1500VAC | 1.75dB Typ | 15dB Typ | -45dB ~ 7dB | -20°C ~ 85°C | - | Through Hole | 0.815" L x 1.250" W (20.70mm x 31.75mm) | 0.530" (13.46mm) | PC Pin |
|
TY-250PAUDIO XFMR 1KCT / 1KCT TH |
0 | - |
|
Datasheet |
TY | Box | Active | 1:1, 2:1 | 1kCT | 1kCT | 172Ohm | 172Ohm | Impedance Matching | 20Hz ~ 20kHz | ±1dB | 1500VAC | 2.8dB Max @ 1kHz | - | - | -40°C ~ 105°C | - | Through Hole | 0.800" L x 0.770" W (20.32mm x 19.56mm) | 0.700" (17.78mm) | PC Pin |
|
MET-60AUDIO XFMR 135 / 135CT TH |
0 | - |
|
Datasheet |
MET | Tube | Active | 1:1 | 135 | 135CT | 10.5Ohm | 10.8Ohm | Data/Voice Coupling | 300Hz ~ 100kHz | ±2dB | 1500VRMS @ 1 Minute | - | - | 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-42AUDIO XFMR 150CT / 12 TH |
0 | - |
|
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 |
