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 (PHP) 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
HALO Electronics Audio Transformers / Signal Transformers 2.5Gig Reinforced SMD 24P ISO MOD 84In Stock
Min.: 1
Mult.: 1
Ethernet Transformers Isolated SMD/SMT 350 uH 4000 Vrms - 40 C + 85 C 2.5GBASE-T Reinforced SMD-24 19.05 mm 12.19 mm 11.94 mm TGR2G
Pulse Electronics Audio Transformers / Signal Transformers 100Base-TX PoE+ SMD 1-Port 350/120uH
Datasheet
5,820In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 600

LAN Transformers Module SMD/SMT 1 MHz to 125 MHz 350 uH 1.5 kV - 40 C + 85 C Single Ethernet Transformer / Choke 12.7 mm x 9.09 mm x 5.99 mm 12.7 mm 9.09 mm 5.99 mm HX2326 Reel, Cut Tape, MouseReel
Mini-Circuits Audio Transformers / Signal Transformers 1:1 LTCC Transformer, 2150 - 3600 MHz, 50?
Datasheet
1,321In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

RF Transformers SMD/SMT 2.15 GHz to 3.6 GHz - 55 C + 125 C TCW1 Reel, Cut Tape, MouseReel
Mini-Circuits Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 800 MHz - 6.8 GHz, 50?
Datasheet
619In Stock
1,500Expected 02/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

RF Transformers Surface Mount RF Transformer SMD/SMT 800 MHz to 6.8 GHz - 40 C + 85 C 1 Channel Broadband Telecom GU2939 2.54 mm 1.27 mm 1.88 mm TTC1 Reel, Cut Tape, MouseReel
MACOM Audio Transformers / Signal Transformers 5-10000 MHz
Datasheet
6,492In Stock
6,000Expected 11/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500
Baluns SMD/SMT 5 MHz to 10 GHz 50 Ohms - 55 C + 85 C Single Transmission Line SMD-6 3.81 mm 3.81 mm 3.22 mm Reel, Cut Tape, MouseReel
iNRCORE Audio Transformers / Signal Transformers XFMR 1CT:1CT 0.2OHM PRIM 1500V
Datasheet
275In Stock
Min.: 1
Mult.: 1
: 400
Copperhead Reel, Cut Tape
Coilcraft Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz
Datasheet
8,206In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

RF Transformers SMD/SMT 3.5 kHz to 125 MHz 780 uH, 780 uH 300 V - 40 C + 85 C Dual Wideband 6.77 mm 6.48 mm 4.45 mm PWB Reel, Cut Tape, MouseReel
iNRCORE Audio Transformers / Signal Transformers HV Balun Adaptor for SMPTE-292M HDTV
Datasheet
16In Stock
15Expected 07/10/2026
Min.: 1
Mult.: 1

Baluns Module Connector 100 Ohms - 55 C + 125 C 2.55 mm 1.16 mm 1.1 mm HFBL Tube

MACOM Audio Transformers / Signal Transformers Flux Coupled 1:1 Transformer 0.4-500MHz
Datasheet
8,475In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

RF Transformers SMD/SMT 400 kHz to 500 MHz - 40 C + 85 C Single Flux Coupled 3.81 mm 3.81 mm 2.79 mm Reel, Cut Tape, MouseReel
Taoglas Audio Transformers / Signal Transformers LAN XFMR 10/100 BASE-T SINGLE
Datasheet
1,495In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 750

LAN Transformers LAN Transformer SMD/SMT 350 uH - 40 C + 85 C 10/100 Base-T, AutoMDIX 12.8 mm 9.45 mm 5.1 mm Exos Reel, Cut Tape, MouseReel
Taoglas Audio Transformers / Signal Transformers LAN XFMR 10G BASE-T (PoE+)
Datasheet
769In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 800

LAN Transformers LAN Transformer SMD/SMT 120 uH - 40 C + 85 C 10G Base-T, Power over Ethernet (PoE+) 13.7 mm 15.2 mm 5.72 mm Exos Reel, Cut Tape, MouseReel
Mini-Circuits Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS
Datasheet
4,115In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 100

RF Transformers SMD/SMT 200 kHz to 120 MHz 50 Ohms 50 Ohms - 20 C + 85 C Single 7.87 mm x 5.59 mm x 4.11 mm 7.87 mm 5.59 mm 4.11 mm ADTT4 Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers MOD DUAL 1GPP 1:1 EXT. HF SMD
Datasheet
247In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 600

SMD/SMT 350 uH - 40 C + 85 C 15.1 mm 7.1 mm HXB Reel, Cut Tape, MouseReel
Taoglas Audio Transformers / Signal Transformers LAN XFMR 1G BASE-T SINGLE
Datasheet
632In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 350

LAN Transformers LAN Transformer SMD/SMT 350 uH 0 C + 70 C 1G Base-T, AutoX'fmr 18.15 mm 15.9 mm 5.7 mm Exos Reel, Cut Tape, MouseReel
Taoglas Audio Transformers / Signal Transformers LAN XFMR 10/100 BASE-T SINGLE
Datasheet
1,313In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 750

LAN Transformers LAN Transformer SMD/SMT 350 uH - 40 C + 85 C 10/100 Base-T, AutoMDIX 12.8 mm 9.3 mm 5.1 mm Exos Reel, Cut Tape, MouseReel
iNRCORE Audio Transformers / Signal Transformers XFMR LAN 10/100/1000 BASE-T
Datasheet
29In Stock
Min.: 1
Mult.: 1
Ethernet Transformers SMD/SMT 350 uH 1500 Vrms - 55 C + 125 C 2 Channel 27.94 mm 10.54 mm 8.64 mm Tube
Coilcraft Audio Transformers / Signal Transformers GA3460 for LT3751 500V 50A
Datasheet
215In Stock
1,824On Order
Min.: 1
Mult.: 1

Flyback Transformers Flyback SMD/SMT 50 kHz 2.5 uH 1.5 kV - 40 C + 125 C Single LT3751 Capacitor Charger Controller 26.75 mm 26 mm 14 mm GA3460 Tray
Coilcraft Audio Transformers / Signal Transformers PWB Wideband RF 1:1 0.0035-125 MHz
Datasheet
3,518In Stock
2,750Expected 14/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

RF Transformers SMD/SMT 3.5 kHz to 125 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 FA2672 SMT Flyback For Si3401, Si3402
Datasheet
762In Stock
600Expected 11/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 200

Flyback Transformers Flyback SMD/SMT 400 kHz 40 uH 1.5 kV - 40 C + 85 C Single Si3402 PD Controller 12.7 mm 10.5 mm 11 mm FA2672 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers PL160 300W 0.0106Ohm Planar Trnsfmr
Datasheet
160In Stock
175Expected 25/09/2026
Min.: 1
Mult.: 1

Planar Quick Connect 200 kHz to 700 kHz 423 uH 1.5 kV - 40 C + 125 C Single Planar Transformers 29.46 mm 26.67 mm 11.4 mm PL300 Tray
Coilcraft Audio Transformers / Signal Transformers 120W POE Planar 12V 10A 50uH
Datasheet
600In Stock
Min.: 1
Mult.: 1

PoE Transformers SMD/SMT 200 kHz 50 uH 1.5 kV - 40 C + 125 C Single Active Clamp Forward Topology 23.37 mm x 20.83 mm x 8.94 mm 23.37 mm 20.83 mm 8.94 mm POE120PL Tray
Wurth Elektronik Audio Transformers / Signal Transformers 10/100/1000 Base-T Transformer 1 Port
Datasheet
1,593In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 175

LAN Transformers LAN SMD/SMT 350 uH 4 kVAC - 40 C + 85 C 28.57 mm 12.7 mm 12.7 mm WE-LAN 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 09/11/2026
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