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

107B AUDIO XFMR 150CT / 12 TH Hammond Manufacturing	711 In Stock 448 Factory	1 : ¥235.38000 Bulk	107	Bulk	Active	3.53:1	150CT	12	22Ohm	1.85Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	PC Pin
107H AUDIO XFMR 600CT / 600CT TH Hammond Manufacturing	229 In Stock 1,212 Factory	1 : ¥235.38000 Bulk	107	Bulk	Active	1:1	600CT	600CT	60Ohm	78Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	PC Pin
107D AUDIO XFMR 150CT / 150CT TH Hammond Manufacturing	67 In Stock 54 Factory	1 : ¥214.15000 Bulk	107	Bulk	Active	1:1	150CT	150CT	22Ohm	27Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	PC Pin
107T AUDIO XFMR 10KCT / 10KCT TH Hammond Manufacturing	11 In Stock 46 Factory	1 : ¥214.15000 Bulk	107	Bulk	Active	1:1	10kCT	10kCT	690Ohm	680Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	PC Pin
107X AUDIO XFMR 100KCT / 1KCT TH Hammond Manufacturing	99 In Stock 156 Factory	1 : ¥276.30000 Bulk	107	Bulk	Active	10:1	100kCT	1kCT	3.66kOhm	75Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	500Vrms	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	PC Pin
107G AUDIO XFMR 600CT / 250CT TH Hammond Manufacturing	12 In Stock 37 Factory	1 : ¥214.15000 Bulk	107	Bulk	Active	1.52:1	600CT	250CT	60Ohm	40Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	PC Pin
107L AUDIO XFMR 10KCT / 3.2 TH Hammond Manufacturing	7 In Stock 41 Factory	1 : ¥214.15000 Bulk	107	Bulk	Active	55.3:1	10kCT	3.2	650Ohm	360mOhm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	PC Pin
107E AUDIO XFMR 600CT / 3.2 TH Hammond Manufacturing	3 In Stock 16 Factory	1 : ¥214.15000 Bulk	107	Bulk	Active	13.68:1	600CT	3.2	60Ohm	600mOhm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	PC Pin
107J AUDIO XFMR 1KCT / 600CT TH Hammond Manufacturing	2 In Stock 24 Factory	1 : ¥214.15000 Bulk	107	Bulk	Active	1.29:1	1kCT	600CT	92Ohm	70Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	PC Pin
107P AUDIO XFMR 10KCT / 1.5KCT TH Hammond Manufacturing	1 In Stock 27 Factory	1 : ¥214.15000 Bulk	107	Bulk	Active	2.58:1	10kCT	1.5kCT	700Ohm	122Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	PC Pin
107N AUDIO XFMR 10KCT / 600 TH Hammond Manufacturing	1 In Stock 77 Factory	1 : ¥214.15000 Bulk	107	Bulk	Active	4.07:1	10kCT	600	710Ohm	70Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	PC Pin
107V AUDIO XFMR 25KCT / 600CT TH Hammond Manufacturing	0 In Stock 108 Factory Check Lead Time	1 : ¥276.30000 Bulk	107	Bulk	Active	6.45:1	25kCT	600CT	1.4kOhm	66Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	PC Pin
107R AUDIO XFMR 10KCT / 4KCT TH Hammond Manufacturing	5 In Stock 28 Factory	1 : ¥214.15000 Bulk	107	Bulk	Active	1.58:1	10kCT	4kCT	720Ohm	350Ohm	Miniature Epoxy Potted	300Hz ~ 50kHz	±1.5dB	100VRMS	-	-	150mW	-	-	Through Hole	0.630" L x 0.586" W (16.00mm x 14.88mm)	0.630" (16.00mm)	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.