Audio Transformers

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of 16

Mfr Part #	Quantity Available	Price	Tariff Status	Series	Package	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
TTC-5023 AUDIO XFMR 600 / 600 SMD Tamura	14,255 In Stock	1 : $4.33000 Cut Tape (CT) 400 : $3.31548 Tape & Reel (TR)	-	TTC	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	1:1	600	600	115Ohm	115Ohm	Data/Voice Coupling	200Hz ~ 4kHz	±0.25dB	3000VRMS @ 1 Minute	2dB 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
TY-141P AUDIO XFMR 10KCT / 10KCT TH Triad Magnetics	7,030 In Stock 945 Factory	1 : $5.47000 Bulk	-	TY	Bulk	Active	1:1	10kCT	10kCT	820Ohm	1.07kOhm	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
MET-46-T AUDIO XFMR 600 / 600 TH Triad Magnetics	1,193 In Stock	1 : $9.87000 Bulk	-	MET	Bulk	Active	1:1	600	600	85Ohm	110Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	±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
MET-32 AUDIO XFMR 600 / 600 150/150 TH Tamura	108 In Stock	1 : $10.30000 Tube	-	MET	Tube	Active	2:1:1	600	600, 150/150	70Ohm	95Ohm	Data/Voice Coupling	300Hz ~ 100kHz	±2dB	1000VRMS @ 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
MET-09 AUDIO XFMR 10KCT / 10KCT TH Tamura	2,310 In Stock	1 : $11.99000 Tube	-	MET	Tube	Active	1:1	10kCT	10kCT	1kOhm	1.3kOhm	Data/Voice Coupling	300Hz ~ 100kHz	±2dB	500VRMS @ 30 Seconds	-	-	40mW	-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-48 AUDIO XFMR 7.5KCT / 12 TH Triad Magnetics	6,775 In Stock 176 Factory	1 : $13.40000 Bulk	-	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-33 AUDIO XFMR 1K / 50 TH Triad Magnetics	2,697 In Stock 509 Factory	1 : $15.91000 Bulk	-	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
MET-23-T AUDIO XFMR 1.6KCT / 3.2 TH Triad Magnetics	226 In Stock	1 : $9.30000 Bulk	-	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
MET-35-T AUDIO XFMR 600CT / 8 TH Triad Magnetics	304 In Stock	1 : $10.65000 Bulk	-	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
MET-59-T AUDIO XFMR 600 / 150/150 TH Triad Magnetics	271 In Stock	1 : $11.01000 Bulk	-	MET	Bulk	Active	2:1:1	600	150/150	70Ohm	95Ohm	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
MET-23 AUDIO XFMR 1.6KCT / 3.2 TH Tamura	1,225 In Stock	1 : $11.99000 Tube	-	MET	Tube	Active	22.4:1	1.6kCT	3.2	230Ohm	1Ohm	Data/Voice Coupling	300Hz ~ 100kHz	±3dB	500VRMS @ 30 Seconds	-	-	65mW Max @ 300Hz	-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-5 AUDIO XFMR 50KCT / 1KCT TH Triad Magnetics	158 In Stock 10 Factory	1 : $19.48000 Bulk	-	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
101F AUDIO XFMR 600CT / 600CT TH Hammond Manufacturing	136 In Stock 1,344 Factory	Active	-	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
119DA AUDIO XFMR 600 / 4, 8 CHAS MNT Hammond Manufacturing	13 In Stock 24 Factory	Active	-	119	Bulk	Active	-	600	4, 8	-	-	Tube Driver and Speaker Matching	30Hz ~ 20kHz	±1dB	-	-	-	12W	-	-	Chassis Mount	3.280" L x 2.350" W (83.31mm x 59.69mm)	2.000" (50.80mm)	Wire Leads
TTC-108N AUDIO XFMR 600CT / 600CT TH Tamura	0 In Stock Check Lead Time	1 : $6.02000 Bulk	-	TTC	Bulk	Active	1:1	600CT	600CT	44Ohm	56Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	±0.5dB	1500VRMS @ 1 Minute	1.4dB Max @ 1kHz	-	-45dB ~ 7dB	-	CSA-C22.2 No. 66-M1988, UL1459	Through Hole	0.815" L x 0.650" W (20.70mm x 16.50mm)	0.736" (18.70mm)	PC Pin
MET-40 AUDIO XFMR 320CT / 3.2 TH Tamura	0 In Stock Check Lead Time	550 : $8.33251 Tube	-	MET	Tube	Active	10:1	320CT	3.2	35Ohm	700mOhm	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

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Like most other transformer products, audio transformers consist of two or more magnetically coupled coils of wire, usually wound around a magnetic core. They are distinguished from other transformer types by being adapted and characterized for use at frequencies across all or a significant portion of the human audible range spanning roughly 20 Hz to 20 kHz, and are used for isolation and transformation of information in analog format, as contrasted with transformers designed for transmission of information encoded using a digital signaling protocol. Examples include output transformers for vacuum tube amplifiers and voice coupling transformers for traditional telecom applications.