197A
Coils and Transformers
TRANSFORMER,AUDIO FREQUENCY
197A
American Telephone And Telegraph Co
TRANSFORMER,AUDIO FREQUENCY
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Technical Characteristics
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Mounting Hole Diameter
0.187 inches nominal
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Frequency Rating
30.0 hertz minimum and 15.0 kilohertz maximum
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Body Length
3.500 inches nominal
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Body Outside Diameter
2.688 inches nominal
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Inclosure Type
partially inclosed
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Mounting Method
unthreaded hole
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Terminal Type And Quantity
6 wire lead
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Winding Function And Quantity
1 primary and 1 secondary
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Mounting Facility Quantity
4
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Maximum Transformer Power Rating
10.0 watts
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Reliability Indicator
not established