How to Measure an Audio Transformer - Ningbo Wanji Electronics Science & Technology Co., Ltd.

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How to Measure an Audio Transformer

As the audio transformer usage become more and more widely, so it's important to know its measurement. When you add an audio transformer to any application–whether it's inside a microphone, attached to a circuit board or in remodeling an antique radio–you need to ensure that its physical dimensions allow it to fit. Round or toroidal audio transformers have two dimensions: diameter and thickness. Base-mounted and circuit board-mounted audio transformers have measurements for height, length and width, and some have measurements between the mounting holes.

Instructions

1 Place the audio transformer on a flat surface. If the transformer is round, place it flat so that it doesn’t roll. If it has pins to mount it to a printed circuit board, place it upside down with the pins pointing up.

2 Measure and record the height or thickness. Hold the ruler perpendicular to the flat surface. With circuit board mounted audio transformers, do not include the length of the connection leads.

3 Measure and record the length or diameter. Measure your audio transformer at its longest point, including the bulge. If it has a base, measure the longest dimension.

4 Measure and record the width. of your audio transformer

5 The audio transformer’ distances between any mounting holes need also to be measured and recorded, and the diameter of the holes

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