EI66*28 Encapsulated Audio Isolation Transformer - 220 V 50 Hz Primary | 23 V ±5% No-Load Output | H50N EI66 Laminated Core | 60 mm Max Height | Chassis Mount
EI66*28 Encapsulated Audio Isolation Transformer. Model / Part No. EI66*28, ZXY Part No. B2348, core size EI66x28, specification 20230803003.
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HotEL14 Horizontal Audio Isolation Transformer, Through-Hole PCB Mount, 300 Hz - 3.4 kHz, 1:1 Turns Ratio, EI1401 / EI1402, 16 x 8.5 mm
EL14 horizontal audio isolation transformer for voice and data coupling, in the EI1401 or EI1402 variant. Precision ferrite core, primary on pins 1-2 and secondary on pins 4-3 under yellow tape insulation, four through-hole pins, 300 Hz to 3.4 kHz, body 16 mm maximum length and 8.5 mm high.
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ER14.5 High-Frequency Ferrite Core SMD Transformer, NiZn Pulse Transformer for AC-DC Power Supplies
ER14.5 high-frequency ferrite core transformer for surface-mount power supplies. NiZn power ferrite core, copper windings on terminals 1-3 and 4-6, encapsulated capsule case, tin-plated lead-free gullwing terminals, horizontal mount, body 15.0 x 12.0 x 7.0 mm maximum.
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Ground Loop Audio Isolator Audio Transformer PCBA Permalloy Nickel Alloy 600:600 600:10k 10k:10k
● Permalloy (Nickel Alloy) Core: High-permeability core for low-level audio signals.
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High Voltage Transformer 700W 800W for Light Wave Oven & Microwave Oven EI Power Transformer
● 700W / 800W Power Class: Matched to 700W and 800W microwave and light wave ovens.
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Industrial Grade Air Core Induction Coil, 86 x 30.5 x 14 mm Rectangular Hollow Winding, Multi-Strand Copper, Tab or Lead Terminals
This page describes a rectangular hollow air core induction coil: a flat wound coil of multi-strand round copper wire, with no magnetic core and no bobbin inside the window, taped for high temperature service and terminated either with male tab terminals or with insulated lead wires. The dimensioned build measures 86 mm outer length, 30.5 mm across the short side and approximately 14 mm side height, with an R3 radius on the four outer corners and a general tolerance of ±0.5 m
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EI41-66-80W 80W Audio Power Transformer AC 220V 50Hz to Dual AC 12V-0V-12V 3.3A Shielded Chassis Mount
MYT-66-80W is the model printed on the case label and repeated on the specification panel, and it is the only part code in the material: an 80 W audio power transformer with a 220 V 50 Hz primary and a centre tapped 12 V secondary. The same label gives the lead colours for the input and the output and the manufacturer name, so a unit can be identified from the label alone, without a drawing.
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ZXY EI41 Audio Transformer Low Frequency Silicon Steel Core Power Transformer
ZXY-14 Audio Isolation Transformer (marked “ZXY-14 AUDIO”), a compact audio coupling transformer built on a high-permeability laminated core and supplied as a dual matched pair for stereo and differential audio channels. Each unit measures 18 × 14 × 25 mm overall and is fitted with 75 mm flexible pure-copper lead wires, colour-coded Red for one winding and Blue for the other. A dot marking identifies the start point of each winding, so polarity can be confirmed at a glance du
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PQ3220 High Frequency Transformer, Low-Loss Ferrite Core, 12-Pin PCB Through-Hole Mount, 34.5 x 36.0 x 23.0 mm, 100-500 kHz SMPS, Custom Windings
PQ3220 is the core size, not a winding. The part is a high frequency transformer built on a PQ3220 ferrite core with a twelve-post PCB termination, intended for switching supplies running between 100 kHz and 500 kHz. Because the winding is made to order, the model number fixes the core, the frame, the pinout and the envelope; the primary and secondary are then wound to the ratio and the inductance the customer's circuit needs.
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HotRY-800VA 800VA Toroidal Audio Power Transformer AC 220V 50Hz Dual Secondary Centre Bolt Mount
RY-800VA is the model on the name plate, and the plate carries the whole identity of the part: primary AC 220 V 50 Hz on red leads, secondary 0 V to 38 V on yellow-yellow and 0 V to 38 V on blue-blue, a 130 degrees C thermal marking and a date stamp. The same plate carries the CCC, CE and WEEE marks and the double square insulation symbol. There is no drawing in the material, so the plate is the datasheet.
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SMD Audio Isolation Transformer, ED8-600 Ohm to 600 Ohm, 1:1, 6-Pin Surface Mount, 10.5 mm, 1250 V AC Hi-Pot
A 600 ohm to 600 ohm audio isolation transformer in a surface mount package. The two windings are 1:1, so the part is a galvanic break in a line level path rather than a matching transformer: the voltage across it stays where it was, and only the ground connection between the two sides disappears. Six gull-wing pins, three to each side, put it on the board like any other SMD part, which is the reason it exists next to the cased parts it replaces.
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Toroidal Power Transformer TT Series, 20 VA to 1500 VA, 50/60 Hz, 220 V Primary, Custom Secondary, Low Noise
TT is the series name, not one part. The material covers a toroidal power transformer built on a grain-oriented silicon steel ring core, wound with copper wire, from 20 VA to 1500 VA at 50 Hz or 60 Hz, with a 220 V primary on two red leads and a secondary on two blue leads. Because the secondary is wound to the order, the VA rating is the only quantity that stays fixed across the range; the voltage and the current that go with it change with every build.
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