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 104In 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
6,120In 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
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
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
iNRCORE Audio Transformers / Signal Transformers XFMR 1CT:1CT 0.2OHM PRIM 1500V
Datasheet
275In Stock
Min.: 1
Mult.: 1
: 400
Copperhead Reel, Cut Tape
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
8,482In 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
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
Taoglas Audio Transformers / Signal Transformers LAN XFMR 10/100 BASE-T SINGLE
Datasheet
1,500In 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
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
Taoglas Audio Transformers / Signal Transformers LAN XFMR 1G BASE-T SINGLE
Datasheet
657In 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
Taoglas Audio Transformers / Signal Transformers LAN XFMR 10G BASE-T (PoE+)
Datasheet
799In 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
Pulse Electronics Audio Transformers / Signal Transformers MOD DUAL 1GPP 1:1 EXT. HF SMD
Datasheet
290In 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
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
iNRCORE Audio Transformers / Signal Transformers
Datasheet
16In Stock
Min.: 1
Mult.: 1
Tube
Coilcraft Audio Transformers / Signal Transformers 1812WBT SMT Wideband 1:1 4-200 MHz
Datasheet
3,429In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 600

RF Transformers SMD/SMT 4 MHz to 200 MHz 1.25 uH 50 V - 40 C + 85 C Single Wideband 1812 (4532 metric) 4.52 mm 3.81 mm 3.43 mm 1812WBT Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers FA2470 Flyback For STMicro STLC3075
Datasheet
865In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 450

Flyback Transformers Flyback SMD/SMT 10 kHz - 40 C + 85 C Single STLC3075 STLC3085 POTS Interface 10.92 mm 8.6 mm 9.02 mm FA2470 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
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
419In Stock
816Expected 11/09/2026
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 DA2257 PoE Trnsfmr For TI LM5071/72
Datasheet
2,040In 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