25A157
Coils and Transformers
TRANSFORMER,AUDIO FREQUENCY
25A157
TRANSFORMER,AUDIO FREQUENCY
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Technical Characteristics
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Mounting Facility Quantity
4 single group
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Terminal Type And Quantity
19 solder stud
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Center To Center Distance Between Mounting Facilities Parallel To Width
2.688 inches nominal single mounting facility single center group
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Winding Function And Quantity
2 primary single component and 4 secondary single component
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Impedance Rating In Ohms
125.0 nominal single component 1st secondary
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Body Height
4.187 inches nominal
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Thread Series Designator
unc single group
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Maximum Transformer Power Rating
20.0 watts single component
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Impedance Rating In Ohms
7.5 nominal single component 4th secondary
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Winding Tap Location (Non-Core)
center tap single component all secondary
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Winding Shielding Method
internal shield grounded to core and brought out to terminal single component
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Maximum Operating Temp
70.0 deg celsius
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Winding Tap Location (Non-Core)
center tap single component all primary
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Reliability Indicator
not established
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Impedance Rating In Ohms
7.5 nominal single component 3rd secondary
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Body Width
3.500 inches nominal
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Impedance Rating In Ohms
125.0 nominal single component all primary
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Frequency Rating
10.0 hertz minimum single component and 40.0 kilohertz maximum single component
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Frequency Response Tolerance In Decibels (Non-Core)
-1.0/+1.0 single component
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Unpackaged Unit Weight (Non-Core)
7.500 pounds
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Inclosure Type
fully inclosed
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Thread Direction (Non-Core)
right-hand single group
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Thread Class (Non-Core)
2b single group
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Mounting Method
threaded hole single group
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Impedance Rating In Ohms
125.0 nominal single component 2nd secondary
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Body Length
4.438 inches nominal
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Nominal Thread Size
0.164 inches single group
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Center To Center Distance Between Mounting Facilities Parallel To Length
3.688 inches nominal single mounting facility single center group
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Primary To Secondary Turn Ratio
1 to 1 single component