Audio Transformers

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Mfr Part #	Quantity Available	Price	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

142C AUDIO XFMR 15KCT / 15KCT TH Hammond Manufacturing	0 In Stock 30 Factory Check Lead Time	1 : ¥57.04000 Bulk	142	Bulk	Active	1:1	15kCT	15kCT	1.05kOhm	1.39kOhm	Impedance Matching	200Hz ~ 15kHz	±1dB	1500V	-	-	100mW	-40°C ~ 85°C	-	Through Hole	0.750" L x 0.695" W (19.05mm x 17.65mm)	0.720" (18.29mm)	PC Pin
142B AUDIO XFMR 10KCT / 2KCT TH Hammond Manufacturing	0 In Stock 31 Factory Check Lead Time	1 : ¥57.52000 Bulk	142	Bulk	Active	1:0.447	10kCT	2kCT	720Ohm	210Ohm	Impedance Matching	200Hz ~ 15kHz	±1dB	1500V	-	-	100mW	-40°C ~ 85°C	-	Through Hole	0.750" L x 0.695" W (19.05mm x 17.65mm)	0.720" (18.29mm)	PC Pin
142A AUDIO XFMR 10KCT / 10KCT TH Hammond Manufacturing	0 In Stock 51 Factory Check Lead Time	1 : ¥57.04000 Bulk	142	Bulk	Active	1:1	10kCT	10kCT	720Ohm	925Ohm	Impedance Matching	200Hz ~ 15kHz	±1dB	1500V	-	-	100mW	-40°C ~ 85°C	-	Through Hole	0.750" L x 0.695" W (19.05mm x 17.65mm)	0.720" (18.29mm)	PC Pin
142D AUDIO XFMR 600CT / 600CT TH Hammond Manufacturing	0 In Stock Check Lead Time	1 : ¥62.65000 Bulk	142	Bulk	Active	1:1	600CT	600CT	44Ohm	58Ohm	Impedance Matching	200Hz ~ 15kHz	±1dB	1500V	-	-	100mW	-40°C ~ 85°C	-	Through Hole	0.750" L x 0.695" W (19.05mm x 17.65mm)	0.720" (18.29mm)	PC Pin

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Audio Transformers

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.