Transformers Audio & Signal

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Transformers for Audio Applications

Audio transformers can used to step up or step down a signal voltage, increase or decrease the impedance of a circuit, convert a circuit from unbalanced to balanced and vice versa, block DC current in a circuit while allowing AC current to flow, or electrically isolate one audio device from another. Learn More

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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Type
Termination Style
Frequency Range
Inductance
Primary Impedance
Secondary Impedance
Isolation Voltage
Minimum Operating Temperature
Maximum Operating Temperature
Number of Channels
Package/Case
Length
Width
Height
Series
Qualification
Packaging
Coilcraft Audio Transformers / Signal Transformers KA4823 Flyback 220 Vac 10.5A
Datasheet
19In Stock
Min.: 1
Mult.: 1

Flyback Transformers Flyback Through Hole 150 kHz 28 uH 3 kV - 40 C + 85 C Single 45.72 mm 47.72 mm 30.48 mm KA4823 Tray
Coilcraft Audio Transformers / Signal Transformers NA5920 12W 0.013Ohms For LT8586
Datasheet
521In Stock
600Expected 23/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 200

Flyback SMD/SMT 140 kHz 4 uH 1.5 kV - 40 C + 85 C Single 12.7 mm 10.5 mm 11.43 mm NA5920 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers NA6223 10W 0.33Ohms For TPS23753A
Datasheet
67In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 175

Flyback SMD/SMT 1 kHz 180 uH 1.5 kV - 40 C + 85 C Single 13.46 mm 13 mm 12.7 mm NA6223 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers NA6252 12W 0.01Ohms For LT8585
Datasheet
247In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 200

Flyback SMD/SMT 150 kHz - 40 C + 85 C Single 12.7 mm 10.5 mm 11.43 mm NA6252 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers PL160 160W 0.0185Ohm Planar Trnsfmr
Datasheet
1In Stock
432Expected 18/9/2026
Min.: 1
Mult.: 1

Planar Quick Connect 200 kHz to 700 kHz 240 uH 1.5 kV - 40 C + 125 C Single 20.83 mm 23.37 mm 9.14 mm PL160 Tray
Coilcraft Audio Transformers / Signal Transformers PL160 300W 0.0123Ohm Planar Trnsfmr
Datasheet
1In Stock
25Expected 2/10/2026
Min.: 1
Mult.: 1

Planar Quick Connect 200 kHz to 700 kHz 588 uH 1.5 kV - 40 C + 125 C Single 29.46 mm 26.67 mm 11.4 mm PL300 Tray
Coilcraft Audio Transformers / Signal Transformers POE13P Flyback PoE 13uH 3.3 V 4.0 A
Datasheet
138In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 175

PoE Transformers Flyback SMD/SMT 250 kHz - 40 C + 85 C Single 13.46 mm 13 mm 12.7 mm POE13P Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers Flyback PoE 22W 21uH 5V 6.2A
Datasheet
71In Stock
150Expected 11/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 150

PoE Transformers Flyback SMD/SMT 200 kHz 21 uH - 40 C + 125 C Single 14.5 mm 13 mm 14 mm POE21PR Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers Flyback PoE 30W 48uH 5V 3.6A
Datasheet
144In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 150

PoE Transformers Flyback SMD/SMT 200 kHz 48 uH - 40 C + 125 C Single 14.5 mm 13 mm 14 mm POE21PR Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers Flyback PoE 40W 27.8uH 24V 3.7A
Datasheet
54In Stock
150Expected 11/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 150

PoE Transformers Flyback SMD/SMT 250 kHz 27.8 uH - 40 C + 125 C Single 14.5 mm 13 mm 14 mm POE40Q Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers Flyback PoE 40W 27.8uH 48V 3.7A
Datasheet
68In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 150

PoE Transformers Flyback SMD/SMT 250 kHz 27.8 uH - 40 C + 125 C Single 14.5 mm 13 mm 14 mm POE40Q Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers Flyback PoE 51W 22.2uH 48V 4.7A
Datasheet
51In Stock
150Expected 6/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 150

PoE Transformers Flyback SMD/SMT 250 kHz 22.2 uH - 40 C + 125 C Single 14.5 mm 13 mm 14 mm POE40Q Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.130-425 MHz
Datasheet
499In Stock
500Expected 8/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

RF Transformers SMD/SMT 130 kHz to 425 MHz - 40 C + 85 C Single 6.77 mm 6.48 mm 4.45 mm PWB Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers PWB Wideband RF 1:1.5 0.030-300 MHz
Datasheet
304In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

RF Transformers PWB Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.140-700 MHz
Datasheet
397In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

RF Transformers SMD/SMT 140 kHz to 700 MHz - 40 C + 85 C Single 6.77 mm 6.48 mm 4.45 mm PWB Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.03-250 MHz
Datasheet
500In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

RF Transformers SMD/SMT 300 kHz to 250 MHz 95 uH, 95 uH 300 V - 40 C + 85 C Single 6.77 mm 6.48 mm 4.45 mm PWB Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers Wideband RF, TH 250mA 1:1sec
Datasheet
1In Stock
70Expected 25/9/2026
Min.: 1
Mult.: 1

RF Transformers Pin Terminal Transformers Through Hole 40 kHz to 175 MHz 95 uH 500 V - 40 C + 85 C Single 7.62 mm x 7.87 mm x 5.72 mm 7.62 mm 7.87 mm 5.72 mm SWB Tube
Coilcraft Audio Transformers / Signal Transformers Wideband RF, TH 250mA 1:1sec
Datasheet
80In Stock
140Expected 13/11/2026
Min.: 1
Mult.: 1

RF Transformers Pin Terminal Transformers Through Hole 5 kHz to 100 MHz 780 uH 500 V - 40 C + 85 C Single 7.62 mm x 7.87 mm x 5.72 mm 7.62 mm 7.87 mm 5.72 mm SWB Tube
Coilcraft Audio Transformers / Signal Transformers Wideband RF, TH 250mA 1:1sec
Datasheet
76In Stock
Min.: 1
Mult.: 1

RF Transformers Pin Terminal Transformers Through Hole 40 kHz to 175 MHz 95 uH 500 V - 40 C + 85 C Single 7.62 mm x 7.87 mm x 5.72 mm 7.62 mm 7.87 mm 5.72 mm SWB Tube
Coilcraft Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec
Datasheet
500In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

RF Transformers SMD/SMT 40 kHz to 175 MHz 95 uH 500 V - 40 C + 85 C Single 13.21 mm x 7.87 mm x 5.72 mm 13.21 mm 7.87 mm 5.72 mm SWB Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers Wideband RF, TH 250mA 1:1sec
Datasheet
61In Stock
Min.: 1
Mult.: 1

RF Transformers Pin Terminal Transformers Through Hole 5 kHz to 100 MHz 780 uH 500 V - 40 C + 85 C Single 7.62 mm x 7.87 mm x 5.72 mm 7.62 mm 7.87 mm 5.72 mm SWB Tube
Coilcraft Audio Transformers / Signal Transformers Wideband RF, TH 250mA 4:1sec
Datasheet
58In Stock
Min.: 1
Mult.: 1

RF Transformers Pin Terminal Transformers Through Hole 200 kHz to 300 MHz 25 uH, 95 uH 500 V - 40 C + 85 C Single 7.62 mm x 7.87 mm x 5.72 mm 7.62 mm 7.87 mm 5.72 mm SWB Tube
Coilcraft Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:2 0.200-500 MHz
Datasheet
82In Stock
7,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 750

RF Transformers SMD/SMT 200 kHz to 500 MHz 20 uH 300 V - 40 C + 85 C 4.45 mm x 4.19 mm x 3.05 mm 4.45 mm 4.19 mm 3.05 mm WBC Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-750 MHz
Datasheet
474In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 750

RF Transformers SMD/SMT 250 kHz to 750 MHz 36 uH 300 V - 40 C + 85 C 4.45 mm x 4.19 mm x 3.05 mm 4.45 mm 4.19 mm 3.05 mm WBC Reel, Cut Tape, MouseReel
iNRCORE Audio Transformers / Signal Transformers Signal-Transformer Mil-Grade
Datasheet
206In Stock
Min.: 1
Mult.: 1
No
PL1374 Tube