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.
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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.
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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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