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Audio Transformers

Mfr. Part #	Availability	Price	Quantity	Datasheet	Packaging	Series	ProductStatus	TurnsRatio-Primary:Secondary	Impedance-Primary(Ohms)	Impedance-Secondary(Ohms)	DCResistance(DCR)-Primary	DCResistance(DCR)-Secondary	TransformerType	FrequencyRange	FrequencyResponse	Voltage-Isolation	InsertionLoss	ReturnLoss	PowerLevel	OperatingTemperature	ApprovalAgency	MountingType	Size/Dimension	Height-Seated(Max)
TTC-142 TRANSF TELE COUP 600 OHM 90MADC Tamura	2,471	-	RFQ	Datasheet	Bulk	TTC	Active	1:1.04	600	600	75Ohm	100Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	-2.5dB ~ 0.3dB	1500VRMS @ 1 Minute	1.9dB Max @ 1.8kHz	14dB Min @ 1.8kHz	-45dB ~ 10dB	-	CSA-C22.2 No. 66-M1988, UL1459	Through Hole	0.799 L x 1.201 W (20.30mm x 30.50mm)	0.500 (12.70mm)
TS1104 TRANSF 600 OHM SPLIT OMA -1.0 D Tamura	2,788	-	RFQ	Datasheet	Tape & Reel (TR)	-	Active	1:1.06	600	600	46Ohm	63Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	±0.5dB	1500VRMS @ 1 Minute	1.5dB Max @ 1kHz	26dB Min @ 1kHz	-45dB ~ 7dB	-	CSA-C22.2 No. 950-M89, UL1459, UL1950	Surface Mount	0.791 L x 0.689 W (20.09mm x 17.50mm)	0.500 (12.70mm)
TTC-142-2 TRANSF TELE COUP 600 OHM 90MADC Tamura	2,524	-	RFQ	Datasheet	Bulk	TTC	Active	1:1.04	600	600	75Ohm	95Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	-2.5dB ~ 0.3dB	1500VRMS @ 1 Minute	1.9dB Max @ 1.8kHz	14dB Min @ 1.8kHz	-45dB ~ 10dB	-	CSA-C22.2 No. 66-M1988, UL1459	Through Hole	0.799 L x 1.201 W (20.30mm x 30.50mm)	0.500 (12.70mm)
TTC-143 TRANSF TELE COUP 600:600 90MADC Tamura	3,714	-	RFQ	Datasheet	Bulk	TTC	Active	1:1.04	600	600	75Ohm	100Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	-2dB ~ 0.2dB	1500VRMS @ 1 Minute	1.7dB Max @ 1.8kHz	14dB Min @ 1.8kHz	-45dB ~ 10dB	-	CSA-C22.2 No. 66-M1988, UL1863	Through Hole	0.799 L x 1.201 W (20.30mm x 30.50mm)	0.500 (12.70mm)
TTC-143-LB MODEM TRANSFORMERS Tamura	3,800	-	RFQ	Datasheet	Bulk	-	Active	1:1.1	600	600	85Ohm	110Ohm	Impedance Matching	300Hz ~ 3.5kHz	-	-	-	-	-45dB ~ 10dB	-	-	Through Hole	-	0.350 (8.89mm)
MET-25 TRANSFORMER 1.2KCT:3.2 3.0MADC Tamura	2,931	-	RFQ	Datasheet	Tube	MET	Active	19.4:1	1.2kCT	3.2	125Ohm	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)
MET-40 TRANSFORMER 320CT:3.2 6.0MADC Tamura	3,517	-	RFQ	Datasheet	Tube	MET	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)
MET-44 TRANSFORMER 300CT:12 7.0MADC Tamura	3,238	-	RFQ	Datasheet	Tube	MET	Active	5.07:1	300CT	12	42Ohm	3.4Ohm	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)
MET-36 AUDIO TRANSFORMER Tamura	3,132	-	RFQ	Datasheet	Tube	MET	Active	13.7:1	600CT	3.2	60Ohm	700mOhm	-	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)
TTC-118 TRANSF TELE COUP 600:600 OHM Tamura	3,947	-	RFQ	Datasheet	Bulk	TTC	Active	1:1.06	600	600	46Ohm	63Ohm	-	300Hz ~ 3.5kHz	±0.5dB	1500VRMS @ 1 Minute	1.2dB Max @ 1kHz	26dB Min @ 300Hz	-45dB ~ 7dB	-	CSA-C22.2 No. 66-M1988, UL1459	Through Hole	0.799 L x 0.650 W (20.30mm x 16.50mm)	0.488 (12.40mm)
MET-45 TRANSFORMER 10K:10KCT 1.0MADC Tamura	2,337	-	RFQ	Datasheet	Tube	MET	Active	1:0.5:0.5	10k	10k, 2.5k/2.5k	1.3kOhm	735 ~ 390Ohm, 850 ~ 455Ohm	Data/Voice Coupling	300Hz ~ 20kHz	±3dB	500VRMS @ 30 Seconds	-	-	75mW	-20°C ~ 85°C	-	Through Hole	0.409 L x 0.310 W (10.40mm x 7.87mm)	0.465 (11.80mm)
MET-37 AUDIO TRANSFORMER Tamura	3,844	-	RFQ	Datasheet	Tube	MET	Active	0.918:1	500CT	600	65Ohm	95Ohm	-	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)
TTC-03 TRANSF TELE COUP 600CT:600CT Tamura	2,209	-	RFQ	Datasheet	Bulk	TTC	Active	1:1.06	600CT	600CT	46Ohm	63Ohm	-	300Hz ~ 3.5kHz	±0.5dB	1500VRMS @ 1 Minute	1.2dB Max @ 1kHz	26dB Min @ 300Hz	-45dB ~ 7dB	-	CSA-C22.2 No. 66-M1988, UL1459	Through Hole	0.799 L x 0.650 W (20.30mm x 16.50mm)	0.488 (12.40mm)
MET-43 TRANSFORMER 120CT:3.2 10.0MADC Tamura	3,515	-	RFQ	Datasheet	Tube	MET	Active	6.12:1	120CT	3.2	13Ohm	700mOhm	Data/Voice Coupling	300Hz ~ 100kHz	±2dB	500VRMS @ 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)
MET-24 TRANSFORMER 1.5KCT:600 3.0MADC Tamura	2,946	-	RFQ	Datasheet	Tube	MET	Active	1.58:1	1.5kCT	600	160Ohm	95Ohm	Data/Voice Coupling	300Hz ~ 100kHz	±2dB	500VRMS @ 1 Minute	2dB Max @ 1kHz	-	50mW	-20°C ~ 85°C	-	Through Hole	0.409 L x 0.310 W (10.40mm x 7.87mm)	0.465 (11.80mm)
MET-10 AUDIO TRANSFORMER Tamura	2,186	-	RFQ	Datasheet	Tube	MET	Active	1.58:1	10kCT	4kCT	1kOhm	500Ohm	-	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)
MET-18 TRANSFORMER 10KCT:4.0 1.0MADC Tamura	2,090	-	RFQ	Datasheet	Tube	MET	Active	1:0.02	10kCT	4	1.2kOhm	1Ohm	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)
ATT-81 AUDIO TRANSFORMER Tamura	3,894	-	RFQ		Bulk	-	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MET-29 TRANSFORMER 900CT:600 3.0MA Tamura	3,200	-	RFQ	Datasheet	Tube	MET	Active	1.22:1	900CT	600	80Ohm	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)
MET-27 TRANSFORMER 1KCT:600CT 3.0MADC Tamura	3,994	-	RFQ	Datasheet	Tube	MET	Active	1.29:1	1kCT	600CT	95Ohm	85Ohm	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)