EE25-4.0H 1:1:1:1 Audio Isolation Transformer - Four Matched 4.0 H Windings | 20 Hz to 20 kHz | DIP Through-Hole | PCB Mount
The EE25-4.0H is a PCB-mountable audio isolation transformer built on the EE25 in-line bobbin platform. With a 1:1:1:1 turns ratio and four matched 4.0 H windings, this device provides electrical isolation between circuits, suppresses AC hum caused by system grounds, and enables clean coupling of balanced or unbalanced audio signals from 20 Hz to 20 kHz. It is used for voice and data coupling, breaking ground loops between disconnected devices, and providing isolated...
View Details→
Custom Permalloy 600:600 Ohm Audio Isolation Transformer, Ground Loop Noise Isolator for Tube Preamps and DI Boxes | Factory Manufacturer
Choose us, and we promise to do everything we can to ensure a successful and satisfying partnership. The 8 reasons listed below will give you an in-depth look at our strengths.
View Details→
HotZXY-2622 75:75/300/600 Ohm Audio Isolation Transformer, Shielded Chassis-Mount Line Transformer with Tapped Secondary
The ZXY-2622 is a shielded, chassis-mounted audio isolation transformer featuring a 75-ohm primary and a tapped secondary, offering 75, 300, and 600 ohm impedances. The housing label reads ZXY AUDIO, TRANSFORMERS, 75:75/300/600, and ZXY-2622. Behind it is customer drawing G2525, revision A/0, dated November 6, 2025, which also provides the manufacturer's own part name as ZXY2600-75:75/300/600. Three identifiers describe the same component: marking, drawing number, and internal part name. Reference any one of them.
View Details→
ZXY-3012 Permalloy Audio Isolation Transformer, DIP Through-Hole, Sealed 31.0 mm Metal Case, Five Turns Ratios from 1:1 to 12:1
ZXY-3012 is the product identifier. JT-DB-EPC is the drawing model name printed above it on the case label, and ZXYAUDIO and ZXYL are the two brand marks used in images and datasheets. This part is a Permalloy audio isolation transformer in a sealed cylindrical metal case, 31.0 mm in diameter and 22.0 mm high, with six through-hole pins at the bottom arranged in two rows and no mounting flange. It is installed to a circuit board or socket via its pins.
View Details→
ZXY-3108 12:1 Audio Isolation Transformer - 140 kOhm Permalloy Core | Mu-Metal Shield | Vertical 4+4-Pin DIP | High-Fidelity Tube Amp
The ZXY-3108 is a 12:1 audio isolation transformer featuring a permalloy core enclosed in a mu-metal shield. It combines a 140 kOhm primary impedance with a 12:1 (N1:N2) turns ratio to provide electrical isolation and effective common-mode noise rejection in high-impedance, high-fidelity audio signal paths. The product features a 31.0 mm x 22.0 mm vertical-mount body with a 4+4 pin layout, designed for through-hole PCB mounting.
View Details→
ZXY-3529 Permalloy Audio Isolation Transformer, 1+1:1 / 4:1 Turns Ratio, 10 Hz-40 kHz, Hi-POT 1250 V, 8-Pin DIP Through-Hole, 35.0 x 29.0 x 26.0 mm
ZXY-3529 Permalloy audio isolation transformer. 8-pin DIP through-hole package, turns ratio 1+1:1 or 4:1, frequency range 10 Hz to 40 kHz, Hi-POT 1250 V (1 mA, 60 s), case size 35.0 x 29.0 x 26.0 mm, pin spacing 5.0 mm, nameplate rating 150/600:10K.
View Details→
ZXY-6731 Audio Isolation Transformer - 150:600 / 600:600, 40Vrms, 4000VAC, 20-Pin Dual-Inline Solder Pins, Multi-Fin Industrial Housing
ZXY-6731 audio isolation transformer. 40 Vrms, dual-inline solder pin terminal array, multi-fin industrial housing. Available in Type A (150:600-40Vrms) or Type B (600:600-40Vrms).
View Details→
ZXY-DU18 Permalloy Audio Isolation Transformer, 1+1:1+1 and 1+1:3.5+3.5, 10 Hz to 100 kHz, DIP
The ZXY-DU18 is a wideband audio isolation transformer in a sealed permalloy case with DIP through-hole mounting. Eight pins in two rows of four with 5.0 mm pitch, measuring 38.5 mm × 24.5 mm with a height of 22.0 mm. Available in two winding variants: 1+1:1+1 and 1+1:3.5+3.5, which differ in DC resistance and turns ratio while sharing all other parameters.
View Details→
ZXY EE25-1:1A Audio Transformer, EE25 Series 1:1 Turns Ratio, Ferrite Core, Through-Hole PCB Mount, 25.5 x 18.5 x 22.0 mm, 5.0 mm Pin Pitch
ZXY EE25-1:1A audio transformer, EE25 series, 1:1 turns ratio. High-frequency ferrite core held in a metal frame, PA66 bobbin, through-hole PCB mounting, 5.0 mm pin pitch, body dimensions 25.5 x 18.5 x 22.0 mm, primary pins 1-4, secondary pins 5-8.
View Details→
ZXY1527 Audio Isolation Transformer - Permalloy Core, 1+1:1+1, 8-Pin, 20 Hz-50 kHz ±0.5 dB, THD < 0.01%, CMRR > 90 dB, 1500 Vrms Isolation
ZXY1527 audio isolation transformer. Permalloy shielded, 1+1:1+1 configuration, 8-pin layout, ±0.5 dB from 20 Hz to 50 kHz, THD below 0.01%, isolation voltage of at least 1500 Vrms.
View Details→
ZXY1806 Low-Frequency Audio Transformer - Toroidal Autotransformer, 2+3 Pin DIP, Epoxy Encapsulated, 600:600 / 600:10K / 10K:10K Impedance Ratios, CCC CE RoHS UL
ZXY1806 low-frequency audio transformer. Toroidal copper coil, autotransformer structure, 2+3 pin DIP layout, epoxy-encapsulated black housing, laser-marked panel, available in 600:600, 600:10K, and 10K:10K impedance ratios.
View Details→
ZXY2207 10K:10K Permalloy Audio Isolation Transformer
Offers 10K:10K or 600:600 impedance ratios, ideal for line-level audio signals, microphone preamplifiers, and audio coupling applications.
View Details→