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.
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Description Datasheet Availability Pricing (IDR) 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


Pulse Electronics Audio Transformers / Signal Transformers 100Base-TX SMD PoE 350uH .65Ohms 1-Port
Datasheet
944In Stock
Min.: 1
Mult.: 1
: 600

LAN Transformers Module SMD/SMT 1 MHz to 125 MHz - 40 C + 85 C Single 10/100 Base-T PoE 12.7 mm 9.09 mm 5.99 mm HX Reel, Cut Tape
Pulse Electronics Audio Transformers / Signal Transformers 100Base-T SMD NonPoE .6Ohms 1-Port
Datasheet
1.829In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 160

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 1.5 kV 0 C + 70 C Single 10/100 Base-T 25.4 mm 12.95 mm 9.4 mm Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers FA2805 SMT Flyback For Si341, Si3402
Datasheet
1.125In Stock
875Expected 21/09/2026
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 FA2805 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers POE300F Flyback PoE+ 30uH 5.0 V 6 A
Datasheet
588In 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 PWB Wideband RF 1:4 0.150-500 MHz
Datasheet
1.048In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

RF Transformers SMD/SMT 150 kHz to 500 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 WBC SMT Mini Wdebnd 1:4 0.500-1000 MHz
Datasheet
780In Stock
750On Order
MouseReel Available
Min.: 1
Mult.: 1
: 750

RF Transformers SMD/SMT 500 kHz to 1 GHz 20 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
Datasheet
39In Stock
Min.: 1
Mult.: 1

High Speed SMD/SMT 3.75 uH - 55 C + 125 C 2 Channel 12.7 mm 11.05 mm 4.57 mm Tube
Coilcraft Audio Transformers / Signal Transformers PoE Plus 850uH DCR=0.24mOhms 1.9A
Datasheet
840In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 300

PoE Transformers Isolated SMD/SMT 100 kHz 850 uH 1.5 kV - 40 C + 85 C Single 15.75 mm 14.22 mm 10.8 mm HPX2126L Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.130-285 MHz
Datasheet
516In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

RF Transformers SMD/SMT 130 kHz to 285 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 DA2257 PoE Trnsfmr For TI LM5071/72
Datasheet
1.840In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 175

PoE Transformers Flyback SMD/SMT 250 kHz 35 uH 2 kV - 40 C + 85 C Single LM5071 LM5072 PD Controllers 13.46 mm 13 mm 12.7 mm DA2257 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers FA2469 Flyback For STMicro STLC3075
Datasheet
1.071In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 450

Flyback Transformers Flyback SMD/SMT 10 kHz 19 uH 1.5 kV - 40 C + 85 C Single STLC3075 STLC3085 POTS Interface 10.92 mm 8.6 mm 9.02 mm FA2469 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers WBC SMT Mini Wdebnd 1:4 0.250-800 MHz
Datasheet
703In Stock
750Expected 14/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 750

RF Transformers SMD/SMT 250 kHz to 800 MHz - 40 C + 85 C Wideband 4.45 mm 4.19 mm 3.05 mm WBC Reel, Cut Tape, MouseReel
HALO Electronics Audio Transformers / Signal Transformers 1500Vrms 0.9Ohm 16-Pin SMD
Datasheet
261In Stock
Min.: 1
Mult.: 1

LAN Isolation Transformers 10 / 100 Base-TX SMD/SMT 1.5 kV - 55 C + 125 C 1 Channel SMD-16 12.7 mm 7.11 mm 3.76 mm TG110 Tube
HALO Electronics Audio Transformers / Signal Transformers 10/100BASE-TX SMD 16P 1-Port CMRChoke
Datasheet
518In Stock
Min.: 1
Mult.: 1

LAN Isolation Transformers SMD/SMT 500 kHz to 100 MHz 350 uH 1.5 kV - 40 C + 85 C SMD-16 14.73 mm 7.11 mm 6.35 mm TG110 Tube
Pulse Electronics Audio Transformers / Signal Transformers XFMR,RF,SGL,RAC,1:2CT,3-30 NPB
Datasheet
3.685In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.000
RF Transformers SMD/SMT - 40 C + 85 C 3.81 mm 3.81 mm 2.79 mm CX Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers MDL SIN XFMR-CMC AEC-Q200
Datasheet
875In Stock
Min.: 1
Mult.: 1

Signal Transformers SMD/SMT 300 uH 4.3 kV - 40 C + 150 C Single Automotive 8.38 mm 7.69 mm 4.25 mm BMS AEC-Q200 Tube
Pulse Electronics Audio Transformers / Signal Transformers MDL SIN 100D 1:1 4.5K REINFORCED SMD
Datasheet
423In Stock
Min.: 1
Mult.: 1

Signal Transformers SMD/SMT 350 uH 4.5 kV - 40 C + 85 C Dual 17.1 mm 14.75 mm 8.4 mm HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 350uH .65Ohms 2-Port
Datasheet
719In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

LAN Transformers Module SMD/SMT 1 MHz to 100 MHz 1.5 kV - 40 C + 85 C Single 1000 Base-T 27.813 mm 15.367 mm 7.239 mm HX5014 Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers THT T1/CEPT/ISDN-Pri 1200uH 1.3Ohm 1-Por
Datasheet
790In Stock
Min.: 1
Mult.: 1

ISDN Transformers Module Through Hole 50 kHz to 3 MHz 1.2 mH 1.5 kV 0 C + 70 C Dual T1/CEPT/ISDN-Pri HC/3 12.7 mm 8.89 mm 6.35 mm Tube
HALO Electronics Audio Transformers / Signal Transformers SMD ISOLATION MODULE GigE 2-Port Gigabit
Datasheet
615In Stock
Min.: 1
Mult.: 1

LAN Isolation Transformers Module SMD/SMT - 40 C + 85 C Gigabit Interface 27.94 mm 7.62 mm 8.64 mm TG1G Tube


Pulse Electronics Audio Transformers / Signal Transformers BALUN RF SGL RAC 1:1CT 1.713In Stock
Min.: 1
Mult.: 1
: 2.000

RF Transformers SMD/SMT - 40 C + 85 C Single Wideband 3.81 mm 3.81 mm 2.79 mm CX Reel, Cut Tape
Pulse Electronics Audio Transformers / Signal Transformers 1000BaseT SMD NonPoE 1-Port
Datasheet
636In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 700

LAN Transformers Module SMD/SMT 1 MHz to 100 MHz 1.5 kV 0 C + 70 C Single 1000 Base-T 19.81 mm 19.56 mm 2.54 mm Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers 1000Base-T SMD PoE+ 350uH .3Ohms 1-Port
Datasheet
286In Stock
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 1 MHz to 125 MHz - 40 C + 125 C Single 1000 Base-T 18.2 mm 16 mm 6.6 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers 1000Base-T PoE SMD 1-Port 325uH/350uH
Datasheet
602In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 300

LAN Transformers SMD/SMT 1 MHz to 125 MHz - 40 C + 85 C Quad 1000 Base-T PoE 17.5 mm 15.24 mm 5.72 mm LAN 10/100/1000 Base-T Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohms 2-Por
Datasheet
1.098In Stock
Min.: 1
Mult.: 1

ISDN Transformers Module SMD/SMT 1 MHz to 100 MHz 1.5 kV 0 C + 70 C Dual T1/CEPT/ISDN-Pri 12.83 mm 7.11 mm 6.22 mm Tube