Audio Transformers

Manufacturer 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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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
108J-BULK

108J-BULK

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

108 Bulk Active 1.29:1 1k 600CT 109Ohm 69Ohm Miniature Epoxy Potted 300Hz ~ 50kHz ±1.5dB 100V - - 150mW -40°C ~ 105°C - Through Hole 1.030" L x 0.770" W (26.16mm x 19.56mm) 0.770" (19.56mm) PC Pin
108T-BULK

108T-BULK

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

108 Bulk Active 1:1 10k 10k 1.05kOhm 1.2kOhm Miniature Epoxy Potted 300Hz ~ 50kHz ±1.5dB 100V - - 150mW -40°C ~ 105°C - Through Hole 1.030" L x 0.770" W (26.16mm x 19.56mm) 0.770" (19.56mm) PC Pin
1140-LN-A

1140-LN-A

AUDIO TRANSFORMER, LINE INPUT, C

Hammond Manufacturing

0 -
RFQ
1140-LN-A

Datasheet

1140 Bulk Active 1:1.414 12k 4.1k 1.15kOhm 1.65kOhm Impedance Matching 20Hz ~ 20kHz -0.04dB ~ 0.1dB 500V - - +16dB - - Chassis Mount 1.250" Dia (31.75mm) 1.069" (27.15mm) Wire Leads
117F4-BULK

117F4-BULK

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

117 Bulk Active - 32.3 8 400mOhm - Impedance Matching 100Hz ~ 10kHz - 500V 2dB - 4W -40°C ~ 105°C - Chassis Mount 2.810" L x 1.500" W (71.37mm x 38.10mm) 1.690" (42.93mm) Solder Lug
117G16-BULK

117G16-BULK

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

117 Bulk Active - 55.2 16 750mOhm - Impedance Matching 100Hz ~ 10kHz ±2dB 1500V 2dB - 16W -40°C ~ 105°C - Chassis Mount - 2.310" (58.67mm) Solder Lug
117F16-BULK

117F16-BULK

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

117 Bulk Active - 75.3 8 630mOhm - Impedance Matching 100Hz ~ 9kHz - 1500V 2dB - 12W -40°C ~ 105°C - Chassis Mount - 2.310" (58.67mm) Solder Lug
148M-BULK

148M-BULK

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

148 Bulk Active - 6k 500/2k 850Ohm - Economical Open Type 200Hz ~ 15kHz ±1dB 250V 0.5dB - 75mW - - Through Hole - 0.690" (17.53mm) PC Pin
117F2-BULK

117F2-BULK

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

117 Bulk Active - - 8 - - Impedance Matching 100Hz ~ 10kHz -2dB 500V 2dB - 2W -40°C ~ 105°C - Chassis Mount 2.380" L x 1.380" W (60.45mm x 35.05mm) 1.380" (35.05mm) Solder Lug
1630SEA-BULK

1630SEA-BULK

Tools/Equipment/Hardware

Hammond Manufacturing

0 -
RFQ

-

1630 Bulk Active - 3.5k 4, 8, 16 - - General Purpose - - - - - - - - Chassis Mount - - Wire Leads
148Q-BULK

148Q-BULK

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

148 Bulk Active - 10k 500/2k - - Economical Open Type 200Hz ~ 15kHz ±1dB 250V 0.5dB - 75mW - - Through Hole - 0.690" (17.53mm) PC Pin
842A

842A

AUDIO TRANSFORMER, BROADCAST, P

Hammond Manufacturing

0 -
RFQ
842A

Datasheet

800A Bulk Active - 20k, 5k 125, 500 - - General Purpose - - - - - - - - Chassis Mount - - Wire Leads
140CEX

140CEX

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

- Bulk Active - - - - - - - - - - - - - - - - - -
102H-BULK

102H-BULK

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

102 Bulk Active - 2k 500CT 341Ohm 62Ohm Miniature Epoxy Potted - - - 1.5dB - 20mW - - Through Hole 0.570" L x 0.570" W (14.48mm x 14.48mm) 0.500" (12.70mm) PC Pin
1626SEA

1626SEA

TUBE OUTPUT TRANSFORMER, SINGLE

Hammond Manufacturing

0 -
RFQ
1626SEA

Datasheet

1626 Bulk Active - 600 4, 8, 16 15Ohm - General Purpose 20Hz ~ 20kHz ±1dB 2000V - - - - - Chassis Mount - - Wire Leads
1750KAX

1750KAX

Tools/Equipment/Hardware

Hammond Manufacturing

0 -
RFQ

-

- Bulk Active - - - - - - - - - - - - - - - - - -
1751A

1751A

Tools/Equipment/Hardware

Hammond Manufacturing

0 -
RFQ
1751A

Datasheet

- Bulk Active - - - - - - - - - - - - - - - - - -
1750EA

1750EA

Tools/Equipment/Hardware

Hammond Manufacturing

0 -
RFQ

-

- Bulk Active - - - - - - - - - - - - - - - - - -
107T-BULK

107T-BULK

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

107 Bulk Active 1:1 10k 10k 680Ohm 700Ohm Miniature Epoxy Potted 300Hz ~ 50kHz ±1.5dB - - - 150mW -40°C ~ 105°C - Through Hole 0.566" L x 0.630" W (14.38mm x 16.00mm) 0.598" (15.19mm) PC Pin
107D-BULK

107D-BULK

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

107 Bulk Active 1:1 150CT 150CT 20Ohm 25Ohm Miniature Epoxy Potted 300Hz ~ 50kHz ±1.5dB - - - 150mW -40°C ~ 105°C - Through Hole 0.566" L x 0.630" W (14.38mm x 16.00mm) 0.598" (15.19mm) PC Pin
107H-BULK

107H-BULK

TRANSFORMER

Hammond Manufacturing

0 -
RFQ

-

107 Bulk Active 1:1 600CT 600CT 59Ohm 75Ohm Miniature Epoxy Potted 300Hz ~ 50kHz ±1.5dB - - - 150mW -40°C ~ 105°C - Through Hole 0.566" L x 0.630" W (14.38mm x 16.00mm) 0.598" (15.19mm) PC Pin
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