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: 4,548
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Description Datasheet Availability Pricing (GBP) 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 1000Base-T PoE SMD 1-Port 325uH/350uH
Datasheet
5In Stock
600Expected 20/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 300

LAN Transformers SMD/SMT 1 MHz to 125 MHz 350 uH 1.5 kV - 40 C + 85 C Quad 1000 Base-T 17.5 mm 12.2 mm 5.72 mm LAN 10/100/1000 Base-T Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers 1000BaseT SMD PoE 350uH 2-port
Datasheet
4In Stock
165Expected 07/08/2026
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 1 MHz to 125 MHz 350 uH 1.5 kV - 40 C + 85 C Dual 1000 Base-T 27.81 mm 12.19 mm 7.24 mm 1000Base-T Tube
Pulse Electronics Audio Transformers / Signal Transformers QUAD 1000BASE-TX 1:1 4PAIR POE
Datasheet
20In Stock
Min.: 1
Mult.: 1

LAN Transformers Module SMD/SMT 350 uH 1.5 kV - 40 C + 85 C 4 Channel HX Tube
Pulse Electronics Audio Transformers / Signal Transformers 18 UH LAN 2.5GBT
Datasheet
430In Stock
1,560Expected 13/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 780

LAN Transformers LAN Discrete Modules with PoE SMD/SMT 1.5 kVrms - 40 C + 85 C Single ETHERNET TRANSFORMER/CHOKE 15.1 mm 10 mm 4 mm HXB Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers MDL, SIN, 1GPP, 1:1,EXT HF, SMD, T&R
Datasheet
170In Stock
700Expected 15/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 350

LAN Transformers LAN Discrete Modules with PoE SMD/SMT 1.5 kVrms - 40 C + 85 C Single ETHERNET TRANSFORMER/CHOKE 17.6 mm 15.9 mm 6 mm HXB Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers SMD Isolation Xfmr 75uH .3Ohms 1-Port
Datasheet
3In Stock
Min.: 1
Mult.: 1

Telecom Transformers Module SMD/SMT 100 kHz 200 nH 2 kV 0 C + 70 C Single AUI Ethernet DIP-16 12.7 mm 7.24 mm 5.08 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers THT CommonMode Choke 140uH .6Ohms
Datasheet
246In Stock
800Expected 17/08/2026
Min.: 1
Mult.: 1

Telecom Transformers Module Through Hole 500 V 0 C + 70 C Single 10.16 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH .7Ohm 2-Port
Datasheet
69In Stock
Min.: 1
Mult.: 1

ISDN Transformers Module SMD/SMT 700 mOhms, 700 mOhms 1.5 kV - 40 C + 85 C Dual T1/CEPT/ISDN-Pri 12.83 mm 7.11 mm 6.22 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1000uH 2Ohms 2-Port
Datasheet
291In Stock
600Expected 17/08/2026
Min.: 1
Mult.: 1

ISDN Transformers Module SMD/SMT 50 kHz to 3 MHz 800 nH 1.5 kV 0 C + 70 C Dual T1/CEPT/ISDN-Pri 12.83 mm 9.53 mm 6.22 mm Tube
Pulse Electronics Audio Transformers / Signal Transformers SMD T3/DS3/E3/STS-1 100uH 1-Port
Datasheet
6In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

Telecom Transformers Module SMD/SMT 100 kHz 100 uH 1.5 kV - 40 C + 85 C Single T3/DS3/E3/STS-1 7.62 mm 9.91 mm 6.99 mm Reel, Cut Tape, MouseReel
Pulse Electronics Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1200uH 1Ohm 2-Port
Datasheet
88In Stock
Min.: 1
Mult.: 1

ISDN Transformers Module SMD/SMT 50 kHz to 3 MHz 800 nH 1.5 kV - 40 C + 85 C Dual T1/CEPT/ISDN-Pri 12.83 mm 9.53 mm 6.22 mm Tube
Wurth Elektronik Audio Transformers / Signal Transformers WE-LANMX 19in rear mount single port
Datasheet
52In Stock
Min.: 1
Mult.: 1

Accessories WE-LANMX Tray
Murata Electronics Audio Transformers / Signal Transformers 50MHz to 1800MHz 20VDC 75Ohm
Datasheet
258In Stock
4,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Micro Chip Transformers Balun SMD/SMT 50 MHz to 1.8 GHz 75 Ohms - 40 C + 85 C 1 Channel Televisions 2 mm x 1.2 mm x 1.2 mm 2 mm 1.2 mm 1.2 mm DXW21BN Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 1:1 75ohms 5-200MHz 10dB
Datasheet
1,428In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000
Baluns Module Single RF/SAW Components ATB-CT Reel, Cut Tape, MouseReel
ABRACON Audio Transformers / Signal Transformers LAN XFRMR 10/100
Datasheet
878In Stock
4,800Expected 12/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 600

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz - 40 C + 85 C Single 10/100 Base-T 11.43 mm 9.24 mm 5.37 mm 101 Reel, Cut Tape, MouseReel
ABRACON Audio Transformers / Signal Transformers LAN 1 Port 10/100 Base-TX T,C
Datasheet
914In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 600

LAN Transformers LAN SMD/SMT 100 kHz to 100 MHz 350 uH 0 C + 70 C Dual 10/100 Base-TX 12.8 mm 6.9 mm 5.45 mm ALANS100X1 Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 2-PORT
Datasheet
115In Stock
350Expected 03/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 350

LAN Transformers Module SMD/SMT 350 uH - 40 C + 85 C Dual 1000 Base-T 27.69 mm 7.29 mm 8.41 mm B78476A Reel, Cut Tape, MouseReel
TDK Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT
Datasheet
275In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 350

LAN Transformers Module SMD/SMT 100 kHz to 100 MHz 350 uH 1.5 kV 0 C + 70 C Single 1000 Base-T 17.6 mm 12.1 mm 5.8 mm B78476A Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers C1588 TI LM5070 7uH 5.0 V 1.4 A
Datasheet
90In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 200

Flyback Transformers Flyback SMD/SMT - 40 C + 85 C Single LM5070 PoE Interface 12.7 mm 10.5 mm 11 mm C1588 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers GA3136 SMT Flyback For TI UCC2809
Datasheet
49In Stock
Min.: 1
Mult.: 1

Flyback Transformers Flyback SMD/SMT 150 kHz 35 uH 1.5 kV - 40 C + 125 C Single UCC2809 Primary Side Controller 26.75 mm 26 mm 14 mm GA3136 Tray
Coilcraft Audio Transformers / Signal Transformers HA4018 for GreenMode 5 V, -15 V 0.05 A
Datasheet
30In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 100

Flyback Transformers Flyback Through Hole 50 kHz 2.2 mH 3 kV - 40 C + 85 C Single UCC28600 Green Mode Controller 20.9 mm 20.9 mm 12 mm HA4018 Reel, Cut Tape, MouseReel
Coilcraft Audio Transformers / Signal Transformers HA4060 For LT3751 500V 2A
Datasheet
132In Stock
72Expected 13/08/2026
Min.: 1
Mult.: 1

Flyback Transformers Flyback SMD/SMT 100 kHz 300 uH 3 kV - 40 C + 85 C Single LT3751 Capacitor Charger Controller 26.75 mm 26 mm 14 mm HA4060 Tray
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 Solar Microinverter 45.72 mm 47.72 mm 30.48 mm KA4823 Tray
Coilcraft Audio Transformers / Signal Transformers NA5920 12W 0.013Ohms For LT8586
Datasheet
133In Stock
1,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 200

Flyback SMD/SMT 140 kHz 4 uH 1.5 kV - 40 C + 85 C Single LT8584 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 TPS23753A PoE Controller 13.46 mm 13 mm 12.7 mm NA6223 Reel, Cut Tape, MouseReel