Audio Transformers

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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
SP-50-B AUDIO XFMR 500CT / 600 TH Triad Magnetics	1,702	-	RFQ	Datasheet	Red-Spec	Bulk	Active	1:1.1	500CT	600	67Ohm	98Ohm	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-69-B AUDIO XFMR 600 / 600 150/150 TH Triad Magnetics	3,318	-	RFQ	Datasheet	Red-Spec	Bulk	Active	2.1:1	600	600, 150/150	1kOhm	Parallel @ 565Ohm, Series @ 650Ohm	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
TY-306P AUDIO XFMR 600 150/150 / 600 TH Triad Magnetics	2,485	-	RFQ	Datasheet	TY	Bulk	Active	1:1	600, 150/150	600	31Ohm, 31Ohm	108Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	±0.5dB	1500VAC	1.5dB Typ	10dB Typ	-45dB ~ 7dB	-20°C ~ 85°C	-	Through Hole	1.650" L x 1.375" W (41.91mm x 34.93mm)	0.680" (17.27mm)	PC Pin
SP-13-B XFMR 25KCT 20KCT / 1KCT 800CT TH Triad Magnetics	1,471	-	RFQ	Datasheet	Red-Spec	Bulk	Active	5:1	25kCT, 20kCT	1kCT, 800CT	1.7kOhm	115Ohm	Audio Coupling	300Hz ~ 100kHz	±2dB	1000VRMS @ 1 Second	-	-	40mW	-40°C ~ 85°C	-	Through Hole	0.410" L x 0.310" W (10.41mm x 7.87mm)	0.465" (11.80mm)	PC Pin
TY-306P-B AUDIO XFMR 600/600 / 600 TH Triad Magnetics	2,899	-	RFQ	Datasheet	TY	Bulk	Active	1:2.21	600/600	600	31Ohm, 31Ohm	108Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	±0.5dB	1500VAC	1.5dB Typ	10dB Typ	-45dB ~ 7dB	-20°C ~ 85°C	-	Through Hole	1.650" L x 1.375" W (41.91mm x 34.93mm)	0.680" (17.27mm)	PC Pin
TY-305P AUDIO XFMR 600 / 600 TH Triad Magnetics	1,083	-	RFQ	Datasheet	TY	Bulk	Active	1:0.90	600	600	108Ohm	61Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	±0.5dB	1500VAC	1.5dB Typ	10dB Typ	-45dB ~ 7dB	-20°C ~ 85°C	-	Through Hole	1.650" L x 1.375" W (41.91mm x 34.93mm)	0.680" (17.27mm)	PC Pin
TY-305P-B AUDIO XFMR 600 / 600 TH Triad Magnetics	3,717	-	RFQ	Datasheet	TY	Bulk	Active	1:0.90	600	600	108Ohm	61Ohm	Data/Voice Coupling	300Hz ~ 3.5kHz	±0.5dB	1500VAC	1.5dB Typ	10dB Typ	-45dB ~ 7dB	-20°C ~ 85°C	-	Through Hole	1.650" L x 1.375" W (41.91mm x 34.93mm)	0.680" (17.27mm)	PC Pin
PL3141 POWER iNRCORE, LLC	2,337	-	RFQ	Datasheet	-	Tube	Active	1:1	600	-	55Ohm	67Ohm	General Purpose	300Hz ~ 3.5kHz	±0.5dB	1000V	1.5dB	-	-	-40°C ~ 85°C	-	Surface Mount	0.709" L x 0.551" W (18.01mm x 14.00mm)	0.413" (10.49mm)	Gull Wing
PL3141NL POWER iNRCORE, LLC	3,533	-	RFQ	Datasheet	-	Tube	Active	1:1	600	-	55Ohm	67Ohm	General Purpose	300Hz ~ 3.5kHz	±0.5dB	1000V	1.5dB	-	-	-40°C ~ 85°C	-	Surface Mount	0.709" L x 0.551" W (18.01mm x 14.00mm)	0.413" (10.49mm)	Gull Wing
108P AUDIO XFMR 10KCT / 1.5KCT TH Hammond Manufacturing	3,840	-	RFQ	Datasheet	108	Bulk	Active	2.58:1	10kCT	1.5kCT	438Ohm	110Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	500Vrms	-	-	150mW	-	-	Through Hole	1.030" L x 0.770" W (26.16mm x 19.56mm)	0.770" (19.56mm)	PC Pin
102H AUDIO XFMR 2K / 500CT TH Hammond Manufacturing	1,657	-	RFQ	Datasheet	102	Bulk	Active	-	2k	500CT	341Ohm	62Ohm	Miniature Epoxy Potted	310Hz	-1dB	100V	1.5dB	-	20mW	-	-	Through Hole	0.570" L x 0.570" W (14.48mm x 14.48mm)	0.480" (12.19mm)	PC Pin
102J AUDIO XFMR 6K / 2KCT TH Hammond Manufacturing	4,685	-	RFQ	Datasheet	102	Bulk	Active	-	6k	2kCT	900Ohm	260Ohm	Miniature Epoxy Potted	310Hz	-1dB	100V	1.5dB	-	20mW	-	-	Through Hole	0.570" L x 0.570" W (14.48mm x 14.48mm)	0.480" (12.19mm)	PC Pin
102K AUDIO XFMR 10K / 2KCT TH Hammond Manufacturing	1,456	-	RFQ	Datasheet	102	Bulk	Active	-	10k	2kCT	1.585kOhm	260Ohm	Miniature Epoxy Potted	310Hz	-1dB	100V	1.5dB	-	20mW	-	-	Through Hole	0.570" L x 0.570" W (14.48mm x 14.48mm)	0.480" (12.19mm)	PC Pin
148F XFMR 1.5K / 500 125/125 TH Hammond Manufacturing	4,226	-	RFQ	Datasheet	148	Bulk	Active	-	1.5k	500, 125/125	220Ohm	58Ohm	Economical Open Type	200Hz ~ 15kHz	±1dB	-	0.5dB	-	75mW	-	-	Through Hole	0.820" L x 0.680" W (20.83mm x 17.27mm)	0.690" (17.53mm)	PC Pin
144B AUDIO XFMR 200CT / 3.2 CHAS MNT Hammond Manufacturing	3,761	-	RFQ	Datasheet	144	Bulk	Active	-	200CT	3.2	10Ohm	-	Economical Open Type	150Hz ~ 15kHz	±1dB	-	-	-	150mW	-	-	Chassis Mount	1.000" L x 0.690" W (25.40mm x 17.53mm)	0.690" (17.53mm)	Wire Leads
146D AUDIO XFMR 100CT / 3.2 CHAS MNT Hammond Manufacturing	1,127	-	RFQ	Datasheet	146	Bulk	Active	-	100CT	3.2	4.4Ohm	300mOhm	Economical Open Type	150Hz ~ 15kHz	±1dB	-	-	-	700mW	-	-	Chassis Mount	1.630" L x 0.880" W (41.40mm x 22.35mm)	0.810" (20.57mm)	Wire Leads
141B AUDIO XFMR 200KCT / 1K TH Hammond Manufacturing	1,351	-	RFQ	Datasheet	141	Bulk	Active	-	200kCT	1k	3.775kOhm	85Ohm	Low Profile, Open Type	200Hz ~ 15kHz	±2dB	-	-	-	4mW	-	-	Through Hole	0.780" L x 0.660" W (19.81mm x 16.76mm)	0.460" (11.68mm)	PC Pin
141M AUDIO XFMR 30KCT / 1.2KCT TH Hammond Manufacturing	2,378	-	RFQ	Datasheet	141	Bulk	Active	-	30kCT	1.2kCT	1.1kOhm	47Ohm	Low Profile, Open Type	200Hz ~ 15kHz	±2dB	-	-	-	100mW	-	-	Through Hole	0.780" L x 0.660" W (19.81mm x 16.76mm)	0.460" (11.68mm)	PC Pin
141D AUDIO XFMR 3KCT / 1KCT TH Hammond Manufacturing	2,836	-	RFQ	Datasheet	141	Bulk	Active	-	3kCT	1kCT	120Ohm	51Ohm	Low Profile, Open Type	200Hz ~ 15kHz	±2dB	-	-	-	150mW	-	-	Through Hole	0.780" L x 0.660" W (19.81mm x 16.76mm)	0.460" (11.68mm)	PC Pin
104K AUDIO XFMR 20K / 1KCT TH Hammond Manufacturing	2,045	-	RFQ	Datasheet	104	Bulk	Active	-	20k	1kCT	790Ohm	125Ohm	Miniature Epoxy Potted	200Hz	-1dB	200V	1dB	-	35mW	-	-	Through Hole	0.860" L x 0.710" W (21.84mm x 18.03mm)	0.750" (19.05mm)	PC Pin

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Audio Transformers FAQ

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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

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