Audio Transformers

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Part	Manufacturer	Transformer Type	Mounting Feature	Approvals (V)	Terminal Finish	Impedance (Primary)	Impedance (Secondary)	Packing Method	Dimensions	Maximum Operating Temperature	Application	Minimum Operating Temperature	Height	Width	Diameter	Additional Features	JESD-609 Code	Minimum Operating Frequency	Length	Maximum Operating Frequency
T6003NL	Pulse Electronics	GENERAL PURPOSE AUDIO TRANSFORMER	SURFACE MOUNT			600 OHMS	600 OHMS	TRAY			GENERAL PURPOSE		12.32 mm	13.11 mm		TURNS RATIO:1:1			13.46 mm
LA-522	Torotel Products	GENERAL PURPOSE AUDIO TRANSFORMER
80030	Pico Electronics	GENERAL PURPOSE AUDIO TRANSFORMER	SURFACE MOUNT	MIL-PRF-27	Tin/Lead (Sn/Pb)	50 OHMS CT	50 OHMS CT		L7.87XB7.87XH8.64 (mm)		AUDIO		8.64 mm	7.87 mm		HEIGHT DIMENSION INCLUDES TERMINALS ALSO	e0	.4 KHz	7.87 mm	250 KHz
80040	Pico Electronics	GENERAL PURPOSE AUDIO TRANSFORMER	SURFACE MOUNT	MIL-PRF-27	Tin/Lead (Sn/Pb)	100 OHMS CT	40 OHMS CT		L7.87XB7.87XH8.64 (mm)		AUDIO		8.64 mm	7.87 mm		HEIGHT DIMENSION INCLUDES TERMINALS ALSO	e0	.4 KHz	7.87 mm	250 KHz
80360	Pico Electronics	GENERAL PURPOSE AUDIO TRANSFORMER	SURFACE MOUNT	MIL-PRF-27	Tin/Lead (Sn/Pb)	3600 OHMS CT	3600 OHMS CT		L7.87XB7.87XH8.64 (mm)		AUDIO		8.64 mm	7.87 mm		HEIGHT DIMENSION INCLUDES TERMINALS ALSO	e0	.4 KHz	7.87 mm	250 KHz
80405	Pico Electronics	GENERAL PURPOSE AUDIO TRANSFORMER	SURFACE MOUNT	MIL-PRF-27	Tin/Lead (Sn/Pb)	7500 OHMS CT	600 OHMS CT		L7.87XB7.87XH8.64 (mm)		AUDIO		8.64 mm	7.87 mm		HEIGHT DIMENSION INCLUDES TERMINALS ALSO	e0	.4 KHz	7.87 mm	250 KHz
80560	Pico Electronics	GENERAL PURPOSE AUDIO TRANSFORMER	SURFACE MOUNT	MIL-PRF-27	Tin/Lead (Sn/Pb)	20000 OHMS CT	1000 OHMS CT		L7.87XB7.87XH8.64 (mm)		AUDIO		8.64 mm	7.87 mm		HEIGHT DIMENSION INCLUDES TERMINALS ALSO	e0	.4 KHz	7.87 mm	250 KHz
81200	Pico Electronics	GENERAL PURPOSE AUDIO TRANSFORMER	SURFACE MOUNT	MIL-PRF-27	Tin/Lead (Sn/Pb)	600 OHMS CT	30 OHMS CT		L9.52XB9.52XH9.53 (mm)		AUDIO		10.29 mm	9.52 mm		HEIGHT DIMENSION INCLUDES TERMINALS ALSO	e0	.4 KHz	9.52 mm	100 KHz
106EE	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	THROUGH HOLE MOUNTED			600 OHMS CT	600 OHMS CT				INPUT		22.352 mm	22.352 mm					27.432 mm
107J	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	THROUGH HOLE MOUNTED			1000 OHMS CT	600 OHMS CT			105 Cel	AUDIO	-40 Cel	16.002 mm	14.8844 mm				.3 KHz	16.002 mm	50 KHz
107V	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	THROUGH HOLE MOUNTED			25000 OHMS CT	600 OHMS CT			105 Cel	AUDIO	-40 Cel	16.002 mm	14.8844 mm				.3 KHz	16.002 mm	50 KHz
108E	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	THROUGH HOLE MOUNTED			600 OHMS CT	3.2 OHMS			85 Cel	AUDIO		19.558 mm	19.558 mm				.3 KHz	26.162 mm	50 KHz
108G	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	THROUGH HOLE MOUNTED			600 OHMS CT	250 OHMS CT			85 Cel	AUDIO		19.558 mm	19.558 mm				.3 KHz	26.162 mm	50 KHz
108H	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	THROUGH HOLE MOUNTED			600 OHMS CT	600 OHMS CT			85 Cel	AUDIO		19.558 mm	19.558 mm				.3 KHz	26.162 mm	50 KHz
108K	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	THROUGH HOLE MOUNTED			1500 OHMS CT	600 OHMS CT			85 Cel	AUDIO		19.558 mm	19.558 mm				.3 KHz	26.162 mm	50 KHz
109G	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	THROUGH HOLE MOUNTED			600 OHMS CT	250 OHMS CT			85 Cel	AUDIO		23.368 mm	23.622 mm				.3 KHz	33.401 mm	50 KHz
109J	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	THROUGH HOLE MOUNTED			1000 OHMS CT	600 OHMS CT			85 Cel	AUDIO		23.368 mm	23.622 mm				.3 KHz	33.401 mm	50 KHz
109K	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	THROUGH HOLE MOUNTED			1500 OHMS CT	600 OHMS CT			85 Cel	AUDIO		23.368 mm	23.622 mm				.3 KHz	33.401 mm	50 KHz
140Q	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			600 OHMS CT	600 OHMS CT				AUDIO		25.4 mm		31.8 mm			.007 KHz		11 KHz
144F	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			500 OHMS CT	3.2 OHMS				OUTPUT		17.526 mm	17.526 mm				.15 KHz	32.004 mm	15 KHz
144G	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			500 OHMS CT	8 OHMS				OUTPUT		17.526 mm	17.526 mm				.15 KHz	32.004 mm	15 KHz
146C	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			48 OHMS CT	8 OHMS				OUTPUT		20.574 mm	22.352 mm				.15 KHz	41.402 mm	15 KHz
146N	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			2000 OHMS CT	8 OHMS				OUTPUT		20.574 mm	22.352 mm				.15 KHz	41.402 mm	15 KHz
148T	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	THROUGH HOLE MOUNTED			500 OHMS CT	3.2 OHMS				OUTPUT		17.526 mm	17.272 mm				.2 KHz	20.828 mm	15 KHz
1650G	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			6600 OHMS CT	500 OHMS				OUTPUT		96.774 mm	79.502 mm				.03 KHz	95.25 mm	30 KHz
1650H	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			6600 OHMS CT	16 OHMS			105 Cel	OUTPUT	-40 Cel	96.774 mm	79.502 mm				.03 KHz	101.6 mm	30 KHz
1650K	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			3400 OHMS CT	16 OHMS			105 Cel	OUTPUT	-40 Cel	96.774 mm	79.502 mm				.03 KHz	101.6 mm	30 KHz
1650N	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			4300 OHMS CT	16 OHMS			105 Cel	OUTPUT	-40 Cel	96.774 mm	79.502 mm				.03 KHz	107.95 mm	30 KHz
1650PP	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	THROUGH HOLE MOUNTED			6600 OHMS CT	16 OHMS				AUDIO		107.95 mm	84.07 mm				.03 KHz	98.55 mm	30 KHz
1650P	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			6600 OHMS CT	16 OHMS			105 Cel	OUTPUT	-40 Cel	96.774 mm	79.502 mm				.03 KHz	107.95 mm	30 KHz
1650T	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			1900 OHMS CT	16 OHMS			105 Cel	OUTPUT	-40 Cel	115.824 mm	95.25 mm				.03 KHz	114.3 mm	30 KHz
83115	Pico Electronics	GENERAL PURPOSE AUDIO TRANSFORMER	SURFACE MOUNT	MIL-PRF-27	Tin/Lead (Sn/Pb)	400 OHMS CT	120 OHMS CT		L20.32XB20.32XH14.74 (mm)	130 Cel	AUDIO	-55 Cel	15.37 mm	20.32 mm		HEIGHT DIMENSION INCLUDES TERMINALS ALSO	e0	.05 KHz	20.32 mm	30 KHz
125D	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			48000 OHMS	208.8 OHMS			105 Cel	OUTPUT	-40 Cel	50.8 mm	44.45 mm				.15 KHz	82.55 mm	15 KHz
125H	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			10000 OHMS	8 OHMS			105 Cel	OUTPUT	-40 Cel	41.402 mm	25.4 mm				.15 KHz	71.374 mm	15 KHz
140QEX	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			600 OHMS CT	600 OHMS CT				ISOLATION				31.8 mm			.02 KHz	25.4 mm	20 KHz
1620A	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			6600 OHMS CT	16 OHMS			105 Cel	OUTPUT	-40 Cel	77.724 mm	63.5 mm				.03 KHz	88.9 mm	30 KHz
1650HA	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			6600 OHMS CT	16 OHMS			105 Cel	OUTPUT	-40 Cel	96.774 mm	79.502 mm				.03 KHz	101.6 mm	30 KHz
1650KA	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			3400 OHMS CT	16 OHMS			105 Cel	OUTPUT	-40 Cel	96.774 mm	79.502 mm				.03 KHz	101.6 mm	30 KHz
1650WA	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			1900 OHMS CT	16 OHMS			105 Cel	OUTPUT	-40 Cel	133.35 mm	111.252 mm				.03 KHz	190.5 mm	30 KHz
841A	Hammond Manufacturing	BROADCAST AUDIO TRANSFORMER	STUD MOUNT			20000 OHMS	200 OHMS				GENERAL PURPOSE		65.024 mm	31.75 mm				.05 KHz	44.45 mm	15 KHz
1650E	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			8000 OHMS CT	16 OHMS				OUTPUT		77.724 mm	63.5 mm				.03 KHz	82.55 mm	30 KHz
1640SEA	Hammond Manufacturing	GENERAL PURPOSE AUDIO TRANSFORMER	CHASSIS MOUNT			1250 OHMS	16 OHMS			105 Cel	OUTPUT	-40 Cel	115.824 mm	95.25 mm				.02 KHz	125.476 mm	20 KHz
CSS135	Pico Electronics	GENERAL PURPOSE AUDIO TRANSFORMER	SURFACE MOUNT	MIL-PRF-27		400 OHMS CT	2000 OHMS CT			130 Cel	AUDIO	-55 Cel			19.05 mm	LENGTH DIMENSION INCLUDE TERMINAL ALSO		.05 KHz	14.224 mm	30 KHz

Audio Transformers

Audio transformers are electronic components used in audio systems to provide signal isolation, impedance matching, and voltage level adjustment. They convert audio signals from one impedance level to another, allowing for efficient transmission and reception of audio signals. Audio transformers use electromagnetic induction to transfer the audio signal from one circuit to another, and they consist of two or more coils of wire wound around a magnetic core.

Audio transformers provide electrical isolation between input and output circuits, eliminate ground loop hum and other interference, match the impedance of input and output circuits, and adjust the voltage level of the audio signal. They have a frequency response that matches the frequency range of the audio signal, ensuring accurate and clear reproduction of sound. Audio transformers are used in recording studios, broadcast systems, musical instrument amplifiers, and telecommunication systems.