Audio Transformers / Signal Transformers

Audio Transformers / Signal Transformers
Audio Transformers & Signal Transformers are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many signal and audio transformer manufacturers including Bourns, Coilcraft, HALO, Mini-Circuits, Pulse, Triad, Wurth, Xicon & more. Please view our large selection of audio transformers and signal transformers below.
Results: 4,529
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Description Datasheet Availability Pricing (USD) 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
Application
Package / Case
Length
Width
Height
Series
Qualification
Packaging
Coilcraft Audio Transformers / Signal Transformers HA3802 Flyback For TI TPS23753
Datasheet
53In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 200

Flyback Transformers Flyback SMD/SMT 100 kHz 150 uH 1.5 kV - 40 C + 125 C Single TPS23753 PoE Interface and Converter Controller 17.2 mm 14.98 mm 8.51 mm HA3802 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers PA6605 60W 4.7Ohms For LM5122
Datasheet
78In Stock
100Expected 12/21/2026
Min.: 1
Mult.: 1

Flyback Quick Connect 250 kHz 10 uH 1.5 kV - 40 C + 85 C Single LM5122 Synchronous Controller 26.67 mm 19 mm 13.6 mm PA6605 Tray
Coilcraft Audio Transformers / Signal Transformers POE13F Flyback PoE 13uH 5.0 V 2.6 A
Datasheet
177In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 200

PoE Transformers Flyback SMD/SMT 250 kHz - 40 C + 125 C Single PoE 17.2 mm 14.98 mm 8.51 mm POE13F Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers PWB Wideband RF 1:4 0.15-400 MHz
Datasheet
239In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

RF Transformers SMD/SMT 150 kHz to 400 MHz - 40 C + 85 C Single Wideband 6.77 mm 6.48 mm 4.45 mm PWB Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W
Datasheet
45In Stock
Min.: 1
Mult.: 1

RF Transformers Pin Terminal Transformers Through Hole 150 kHz to 500 MHz 27 uH, 27 uH 500 V - 40 C + 85 C Single Wideband 8.26 mm 7.24 mm 5.72 mm WB Tube
Coilcraft Audio Transformers / Signal Transformers Y8844 For NCP1201 3.5uH 6.5 V 0.54 A
Datasheet
18In Stock
Min.: 1
Mult.: 1

Flyback Through Hole 80 uH 1.5 kV - 40 C + 85 C NCP1200 Controller 18.3 mm x 20.1 mm x 14 mm 20.1 mm 18.3 mm 14 mm Y8844 Tray
Pulse Electronics Audio Transformers / Signal Transformers 1000Base-T SMD PoE+ 120uH .3Ohms 1-Port
Datasheet
18In Stock
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 100 kHz to 200 MHz 120 uH 1.5 kV - 40 C + 105 C Single 18.16 mm 18.16 mm 6.6 mm Tube
Coilcraft Audio Transformers / Signal Transformers B0570 for NCP101X 15uH 12 V 1.25 A
Datasheet
7In Stock
Min.: 1
Mult.: 1

Flyback Transformers Flyback Through Hole 100 kHz 3.4 mH 3 kV - 40 C + 85 C Single NCP101X 27.94 mm 27.84 mm 24.13 mm B0570 Tray
Coilcraft Audio Transformers / Signal Transformers C1586 TI LM5070 13uH 12 V 1.08 A
Datasheet
67In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 175

Flyback Transformers Flyback SMD/SMT 250 kHz 127 uH 1.5 kV - 40 C + 85 C Single LM5070 PoE Interface 13.46 mm 13 mm 12.7 mm C1586 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers FA2925 SMT Flyback For Si341, Si3402
Datasheet
135In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 175

Flyback Transformers Flyback SMD/SMT 200 kHz 40 uH 1.5 kV - 40 C + 85 C Single Si3402 PD Controller 13.46 mm 13 mm 12.7 mm FA2925 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers GA3172 Flyback For PIC16HV785
Datasheet
1In Stock
Min.: 1
Mult.: 1

Flyback Transformers Flyback Through Hole 125 kHz 500 uH 3 kV - 40 C + 85 C Single PIC16HV785 Isolated AC LED Driver 22.25 mm 14.25 mm 23.74 mm GA3172 Tray
Coilcraft Audio Transformers / Signal Transformers POE13P Flyback PoE 13uH 19.5 V 0.67 A
Datasheet
95In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 175

PoE Transformers Flyback PoE POE13P Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers Forward PoE 72W 100uH 12V 15%
Datasheet
186In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 150

PoE Transformers SMD/SMT 200 kHz 100 uH - 40 C + 125 C Single PoE 14.5 mm 13 mm 14 mm POE21PR Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.080-450 MHz
Datasheet
149In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

RF Transformers Wideband PWB Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers PWB Wideband RF 1:16 0.050-80 MHz
Datasheet
241In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

RF Transformers SMD/SMT 50 kHz to 80 MHz - 40 C + 85 C Single Wideband 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
18In 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 Wideband 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 WB SMT RF Trnsfmr Wideband 0.25W
Datasheet
19In Stock
70Expected 9/17/2026
Min.: 1
Mult.: 1

RF Transformers Through Hole 125 kHz to 125 MHz 25 uH, 225 uH 500 V - 40 C + 85 C Single Wideband 8.26 mm 7.24 mm 5.72 mm WB Tube
Coilcraft Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:1 0.400-600 MHz
Datasheet
262In Stock
1,500Expected 11/2/2026
MouseReel Available
Min.: 1
Mult.: 1
: 750

RF Transformers SMD/SMT 400 kHz to 600 MHz 10 uH 300 V - 40 C + 85 C Wideband 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 XFMR LAN 10/100/1000 BASE-T
Datasheet
13In Stock
Min.: 1
Mult.: 1
1000B Tube
iNRCORE Audio Transformers / Signal Transformers
Datasheet
11In Stock
Min.: 1
Mult.: 1
: 350

SMD/SMT 1500 Vrms - 40 C + 85 C 1 Channel 15.49 mm 13.46 mm 6.48 mm Reel, Cut Tape
Coilcraft Audio Transformers / Signal Transformers HA3803 Flyback For TI TPS23753
Datasheet
200In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 200

Flyback Transformers Flyback SMD/SMT 100 kHz 166.5 uH 1.5 kV - 40 C + 125 C Single TPS23753 PoE Interface and Converter Controller 17.2 mm 14.98 mm 8.51 mm HA3803 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers MA5157 Flyback For NXP SSL2103
Datasheet
97In Stock
Min.: 1
Mult.: 1

Flyback Transformers Flyback Through Hole 100 kHz 750 uH 2 kV - 40 C + 85 C Single SSL2103 SMPS Controller 20.7 mm 20.5 mm 12.5 mm MA5157 Tray
Coilcraft Audio Transformers / Signal Transformers Flyback PoE 23W 54uH 3.3V 3.2A
Datasheet
122In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 150

PoE Transformers Flyback SMD/SMT 200 kHz 54 uH - 40 C + 125 C Single PoE 14.5 mm 13 mm 14 mm POE21PR Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 19.5 V 1.5 A
Datasheet
144In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 175

PoE Transformers Flyback SMD/SMT 250 kHz - 40 C + 125 C Single PoE 21 mm 20.57 mm 11.43 mm POE300F Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers POE70P Flyback 7uH 3.3 V 2.12 A
Datasheet
76In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 200

PoE Transformers Flyback SMD/SMT 250 kHz - 40 C + 85 C Single PoE 12.7 mm 10.5 mm 11 mm POE70P Reel, Cut Tape, MouseReel