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 marking. JT-DB-EPC is the drawing model designation printed above it on the case label, and ZXYAUDIO and ZXYL are the two brand marks used across the images and the specification sheet. The part is a permalloy audio isolation transformer in a sealed cylindrical metal case, 31.0 mm across and 22.0 mm high, with six through-hole pins on the underside in two rows and no fixing flange. It is mounted by its pins into a board or a socket.
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ZXY-3108 12:1 Audio Isolation Transformer - 140 kOhm Permalloy Core | Mu-Metal Shielded | Vertical 4+4 Pin Through-Hole | Hi-Fi Valve Amplifier
The ZXY-3108 is a 12:1 audio isolation transformer built on a permalloy core and sealed in a mu-metal case. It combines a 140 kOhm primary impedance with a 12:1 (N1:N2) turns ratio to provide galvanic isolation and effective common-mode noise rejection in high-impedance, high-fidelity audio signal paths. The unit is supplied as a 31.0 mm x 22.0 mm vertical-mount body with a 4 + 4 pin arrangement for through-hole PCB layouts.
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ZXY3108 Permalloy 8:1 Audio Isolation Transformer for Noise Suppression
The 8:1 turns ratio enables precise level conversion from higher to lower impedance, making it ideal for applications requiring greater signal attenuation and impedance transformation.
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ZXY3108 Toroidal Audio Transformer - Permalloy Shielded 150/600:10K Dual Ratio 1:3.5 / 1:7 Audio Matching Transformer, Lead or PCB Mount
The ZXY3108 is a compact toroidal audio transformer with a high-permeability permalloy magnetic shield. It features a Ø31 mm × 22.5 mm nickel-plated steel housing, providing impedance matching and signal coupling in audio equipment, using 100% copper windings and color-coded leads for fast and error-free assembly. Available in lead versions and PCB pin mount versions.
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