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Audio Transformers facilitate the transfer of audio signals between circuits while maintaining signal integrity. Key specifications include Frequency Range, Impedance, and DC Resistance (DCR). These components are essential for applications such as new product design and prototyping.

What are Audio Transformers ?

Audio Transformers are specialized components designed to transfer audio signals between different circuits while minimizing signal loss and distortion. They are commonly used in applications such as production electronics assembly and maintenance. Important specifications for selection include Frequency Range, which affects the audio quality; Impedance, which ensures compatibility with other components; and DC Resistance (DCR), which influences power efficiency. Validating these specifications is crucial for ensuring optimal performance in audio applications.

Part & Mfr			Approval Agency	DC Resistance (DCR)	Frequency Range	Frequency Response	Height	Impedance	Insertion Loss	Mounting Type	Operating Temperature	Power Level	Return Loss	Size	Termination Style	Transformer Type	Turns Ratio	Voltage
SP-33 Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	145Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	1k	-	Through Hole	-40°C ~ 85°C	50mW	-	0.410" L x 0.310" W (10.41mm x 7.87mm)	PC Pin	Audio Coupling	4.4:1	1000VRMS @ 1 Second
SP-48 Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	796Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	7.5kCT	-	Through Hole	-40°C ~ 85°C	50mW	-	0.410" L x 0.310" W (10.41mm x 7.87mm)	PC Pin	Audio Coupling	25:1	1000VRMS @ 1 Second
SP-66 Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	10kCT	-	Through Hole	-40°C ~ 85°C	50mW	-	0.410" L x 0.310" W (10.41mm x 7.87mm)	PC Pin	Audio Coupling	1:1	1000VRMS @ 1 Second
SP-49 Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	41Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	300CT	-	Through Hole	-40°C ~ 85°C	50mW	-	0.410" L x 0.310" W (10.41mm x 7.87mm)	PC Pin	Audio Coupling	1:1.42	1000VRMS @ 1 Second
SP-50 Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	67Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	500CT	-	Through Hole	-40°C ~ 85°C	50mW	-	0.410" L x 0.310" W (10.41mm x 7.87mm)	PC Pin	Audio Coupling	1:1.1	1000VRMS @ 1 Second
107B Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	22Ohm	300Hz ~ 50kHz	±1.5dB	0.630" (16.00mm)	150CT	-	Through Hole	-	150mW	-	0.630" L x 0.586" W (16.00mm x 14.88mm)	PC Pin	Miniature Epoxy Potted	3.53:1	100VRMS
107D Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	22Ohm	300Hz ~ 50kHz	±1.5dB	0.630" (16.00mm)	150CT	-	Through Hole	-	150mW	-	0.630" L x 0.586" W (16.00mm x 14.88mm)	PC Pin	Miniature Epoxy Potted	1:1	100VRMS
107H Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	60Ohm	300Hz ~ 50kHz	±1.5dB	0.630" (16.00mm)	600CT	-	Through Hole	-	150mW	-	0.630" L x 0.586" W (16.00mm x 14.88mm)	PC Pin	Miniature Epoxy Potted	1:1	100VRMS
ESMIT-4180/C SUMIDA CORP	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	250mOhm	-	-	0.138" (3.50mm)	-	-	Surface Mount	-40°C ~ 125°C	-	-	0.280" L x 0.205" W (7.10mm x 5.20mm)	Gull Wing	-	-	3750Vrms
TTC-5036 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	UL60950, EN60950	175Ohm	200Hz ~ 4kHz	±0.2dB	0.299" (7.60mm)	600	4dB Max @ 2kHz	Surface Mount	-20°C ~ 85°C	-	14dB Min @ 200Hz ~ 4kHz	0.378" L x 0.492" W (9.60mm x 12.50mm)	Flat Lead	Data/Voice Coupling	1:1	1875VRMS @ 1 Second
TTC-105-1 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	CSA-C22.2 No. 66-M1988, UL1459	71Ohm	660Hz ~ 3.5kHz	-1dB ~ 0.7dB	0.748" (19.00mm)	600	3dB Max @ 660Hz ~ 800Hz, 2.5dB Max @ 800Hz @ 3.5kHz	Through Hole	-	-45dB ~ 10dB	-	0.839" L x 0.630" W (21.30mm x 16.00mm)	PC Pin	Data/Voice Coupling	1:1	1500VRMS @ 1 Minute
TTC-264 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	CSA-C22.2 No. 66-M1988, UL1459	108Ohm	300Hz ~ 3.5kHz	±1dB ~ ±4dB	0.472" (12.00mm)	600	2.5dB Max @ 1kHz	Through Hole	-	-20dB ~ 4dB	-	0.945" L x 0.906" W (24.00mm x 23.00mm)	PC Pin	Data/Voice Coupling	1:1	1500VRMS @ 1 Minute
TY-311P Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	38Ohm	300Hz ~ 3.5kHz	±0.5dB	0.740" (18.80mm)	600	1dB Typ	Through Hole	-20°C ~ 85°C	-45dB ~ 7dB	26dB Typ	0.812" L x 0.715" W (20.62mm x 18.16mm)	PC Pin	Data/Voice Coupling	1:1.05	1500VAC
TY-403P Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	80Ohm	300Hz ~ 3.5kHz	±0.5dB	0.530" (13.46mm)	600	1.75dB Typ	Through Hole	-20°C ~ 85°C	-45dB ~ 7dB	15dB Typ	0.815" L x 1.250" W (20.70mm x 31.75mm)	PC Pin	Data/Voice Coupling	1.81:1	1500VAC
TTC-105 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	CSA-C22.2 No. 66-M1988, UL1459	71Ohm	660Hz ~ 3.5kHz	-1dB ~ 0.7dB	0.748" (19.00mm)	600	3dB Max @ 660Hz ~ 800Hz, 2.5dB Max @ 800Hz @ 3.5kHz	Through Hole	-	-45dB ~ 10dB	-	0.839" L x 0.630" W (21.30mm x 16.00mm)	PC Pin	Data/Voice Coupling	1:1	1500VRMS @ 1 Minute
TY-250P Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	172Ohm	20Hz ~ 20kHz	±1dB	0.700" (17.78mm)	1kCT	2.8dB Max @ 1kHz	Through Hole	-40°C ~ 105°C	-	-	0.800" L x 0.770" W (20.32mm x 19.56mm)	PC Pin	Impedance Matching	1:1, 2:1	1500VAC
TY-144P Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1.18kOhm	200Hz ~ 15kHz	±2dB	0.740" (18.80mm)	15kCT	1.5dB	Through Hole	-20°C ~ 85°C	100mW	26dB	0.812" L x 0.700" W (20.62mm x 17.78mm)	PC Pin	Data/Voice Coupling	1:1	1500V
TTC-167 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	CSA-C22.2 No. 66-M1988, UL1863	330Ohm	300Hz ~ 4kHz	±1dB	0.551" (14.00mm)	10k	1.7dB Max @ 1kHz	Through Hole	-	-	-	0.610" L x 0.689" W (15.50mm x 17.50mm)	PC Pin	Data/Voice Coupling	1:1	1000VRMS @ 1 Minute
TY-146P Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	17Ohm, 19Ohm	200Hz ~ 15kHz	±2dB	1.187" (30.15mm)	600, 150/150	1.5dB	Through Hole	-20°C ~ 85°C	1W	26dB	1.375" L x 1.187" W (34.93mm x 30.15mm)	PC Pin	Data/Voice Coupling	1:1	1500V
MET-23-T Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	230Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	1.6kCT	-	Through Hole	-20°C ~ 85°C	65mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	22.4:1	1000VRMS @ 1 Second
MET-35-T Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	60Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	600CT	-	Through Hole	-20°C ~ 85°C	50mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	8.66:1	1000VRMS @ 1 Second
MET-42 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	20Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	150	-	Through Hole	-20°C ~ 85°C	50mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	3.54:1	500VRMS @ 30 Seconds
MET-32-T Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	70Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	600	-	Through Hole	-20°C ~ 85°C	50mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	2:1:1	1000VRMS @ 30 Seconds
MET-17 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	10kCT	-	Through Hole	-20°C ~ 85°C	40mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	4.47:1	500VRMS @ 30 Seconds
SP-5 Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	3.8kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	50kCT	-	Through Hole	-40°C ~ 85°C	25mW	-	0.410" L x 0.310" W (10.41mm x 7.87mm)	PC Pin	Audio Coupling	7.1:1	1000VRMS @ 1 Second
SP-4 Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	5.3kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	200kCT	-	Through Hole	-40°C ~ 85°C	10mW	-	0.410" L x 0.310" W (10.41mm x 7.87mm)	PC Pin	Audio Coupling	14.1:1	1000VRMS @ 1 Second
SP-13 Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1.7kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	25kCT, 20kCT	-	Through Hole	-40°C ~ 85°C	40mW	-	0.410" L x 0.310" W (10.41mm x 7.87mm)	PC Pin	Audio Coupling	5:1	1000VRMS @ 1 Second
MOJO768 CLASSIC	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	Chassis Mount	-	-	-	-	Wire Leads	General Purpose	-	-
108T Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	424Ohm	300Hz ~ 50kHz	±1.5dB	0.770" (19.56mm)	10kCT	-	Through Hole	-	150mW	-	1.030" L x 0.770" W (26.16mm x 19.56mm)	PC Pin	Miniature Epoxy Potted	1:1	500Vrms
107X Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	3.66kOhm	300Hz ~ 50kHz	±1.5dB	0.630" (16.00mm)	100kCT	-	Through Hole	-	150mW	-	0.630" L x 0.586" W (16.00mm x 14.88mm)	PC Pin	Miniature Epoxy Potted	10:1	500Vrms
125A Hammond Manufacturing	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	150Hz ~ 15kHz	±1dB	1.190" (30.23mm)	1.2k ~ 25k	-	Chassis Mount	-	3W	-	2.060" L x 1.250" W (52.32mm x 31.75mm)	Wire Leads	General Purpose	-	-
TY-400P Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	76.5Ohm	300Hz ~ 3.5kHz	±0.5dB	0.750" (19.05mm)	600	1.75dB Typ	Through Hole	-20°C ~ 85°C	-45dB ~ 7dB	15dB Typ	0.820" L x 0.715" W (20.83mm x 18.16mm)	PC Pin	Data/Voice Coupling	1:1.07	1500VAC
TY-303P Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	260Ohm	300Hz ~ 3.5kHz	±0.5dB	0.740" (18.80mm)	4k	1dB Typ	Through Hole	-20°C ~ 85°C	-45dB ~ 7dB	26dB Typ	0.812" L x 0.715" W (20.62mm x 18.16mm)	PC Pin	Data/Voice Coupling	2.43:1	1500VAC
TY-402P Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	80Ohm	300Hz ~ 3.5kHz	±0.5dB	0.530" (13.46mm)	600	1.75dB Typ	Through Hole	-20°C ~ 85°C	-45dB ~ 7dB	13dB Typ	0.815" L x 1.250" W (20.70mm x 31.75mm)	PC Pin	Data/Voice Coupling	1:1.1	1500VAC
TTC-108 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	CSA-C22.2 No. 66-M1988, UL1459	44Ohm	300Hz ~ 3.5kHz	±0.5dB	0.752" (19.10mm)	600CT	1.4dB Max @ 1kHz	Through Hole	-	-45dB ~ 7dB	-	0.799" L x 0.689" W (20.30mm x 17.50mm)	PC Pin	Data/Voice Coupling	1:1	1500VRMS @ 1 Minute
TTC-108N Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	CSA-C22.2 No. 66-M1988, UL1459	44Ohm	300Hz ~ 3.5kHz	±0.5dB	0.736" (18.70mm)	600CT	1.4dB Max @ 1kHz	Through Hole	-	-45dB ~ 7dB	-	0.815" L x 0.650" W (20.70mm x 16.50mm)	PC Pin	Data/Voice Coupling	1:1	1500VRMS @ 1 Minute
TY-300P Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	172Ohm	300Hz ~ 3.5kHz	-	0.740" (18.80mm)	600	0.8dB Typ	Through Hole	-20°C ~ 85°C	-45dB ~ 7dB	30dB Typ	0.812" L x 0.700" W (20.62mm x 17.78mm)	PC Pin	Data/Voice Coupling	1:2.48	1500VAC
MET-28-T Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	110Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	1k	-	Through Hole	-20°C ~ 85°C	50mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	4.47:1	1000VRMS @ 1 Second
MET-39-T Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	55Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	500	-	Through Hole	-20°C ~ 85°C	50mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	3.16:1	1000VRMS @ 1 Second
40-18105 CLASSIC	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MET-60-T Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	10.5Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	135	-	Through Hole	-20°C ~ 85°C	50mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	1:1	1000VRMS @ 1 Second
MET-28 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	110Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	1k	-	Through Hole	-20°C ~ 85°C	50mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	4.47:1	500VRMS @ 30 Seconds
MET-11 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	10kCT	-	Through Hole	-20°C ~ 85°C	40mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	2.23:1	500VRMS @ 30 Seconds
MET-22-T Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	280Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	2.5kCT	-	Through Hole	-20°C ~ 85°C	40mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	1:1	1000VRMS @ 1 Second
MET-01 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	5.3kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	200kCT	-	Through Hole	-20°C ~ 85°C	10mW Max @ 300Hz	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	14.1:1	500VRMS @ 30 Seconds
MET-09-T-B Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1kOhm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	10kCT	-	Through Hole	-20°C ~ 85°C	40mW	-	0.409" L x 0.310" W (10.40mm x 7.87mm)	PC Pin	Data/Voice Coupling	1:1	500VRMS @ 1 Second
SP-42 Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	18Ohm	300Hz ~ 100kHz	±2dB	0.465" (11.80mm)	150CT	-	Through Hole	-40°C ~ 85°C	50mW	-	0.410" L x 0.310" W (10.41mm x 7.87mm)	PC Pin	Audio Coupling	3.54:1	1000VRMS @ 1 Second
TTC-5014 Tamura	Stock on Request Send RFQ	Price on request Price and Stock on Request	UL60950	149Ohm	200Hz ~ 4kHz	±0.25dB	0.472" (12.00mm)	600	3.25dB Max @ 1kHz	Through Hole	-	-	14dB Min @ 200Hz ~ 4kHz	0.591" L x 0.571" W (15.00mm x 14.50mm)	PC Pin	-	1:1	1875VRMS @ 1 Second
TY-304P Triad Magnetics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	42Ohm	300Hz ~ 3.5kHz	±0.5dB	0.740" (18.80mm)	600CT	1dB Typ	Through Hole	-20°C ~ 85°C	-45dB ~ 7dB	26dB Typ	0.790" L x 0.812" W (20.07mm x 20.62mm)	PC Pin	Data/Voice Coupling	1:1.05	1500VAC
T6074NL Pulse Electronics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	0.250" (6.35mm)	-	-	Through Hole	-	-	-	0.500" L x 0.350" W (12.70mm x 8.89mm)	PC Pin	Data/Voice Coupling	-	-

Showing 651-700 of 763 products

About Audio Transformers

Audio transformers play a vital role in the transmission and transformation of audio signals in electronic circuits. They are designed to match the impedance of audio devices, ensuring optimal signal transfer and minimal loss. When sourcing audio transformers, it is crucial to consider several important attributes, including DC Resistance (DCR), frequency range, frequency response, height, impedance, insertion loss, mounting type, operating temperature, and power level.

These components are commonly used in applications such as new product design and prototyping, production electronics assembly, maintenance and field replacement, and engineering evaluation and qualification. Understanding the specific requirements of your application will help you select the right audio transformer for your needs.

When comparing audio transformers, prioritize critical specifications first. Validate lifecycle status and explore alternate-source options before submitting a Request for Quotation (RFQ). It is also essential to confirm mechanical and electrical compatibility with your existing design constraints. By focusing on parametric filtering before brand preference, you can effectively reduce sourcing risks and ensure that you select the most suitable components for your projects.

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Audio Transformers

What are Audio Transformers ?

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