#AU7977 Microphone Transformer | Coils And Transformers

AU7977

Audio Frequency Transformer

NSN 5950-00-647-6993

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
006476993

Product Technical Spec.

Reliability Indicator:
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length:
1.016 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width:
1.016 inches single mounting facility single center group
Impedance Rating In Ohms:
600.0 single component single secondary
Impedance Rating In Ohms:
10000.0 single component single primary
Frequency Rating:
300.0 hertz single component and 3.5 kilohertz single component
Maximum Transformer Power Rating:
17.0 decibels single component
Primary To Secondary Turn Ratio:
1 to 4-1/10 single component
Body Length:
1.500 inches
Body Width:
1.500 inches
Body Height:
2.125 inches
Inclosure Type:
Hermetically sealed
Mounting Facility Quantity:
4 single group
Mounting Method:
Threaded stud single group
Winding Function And Quantity:
1 primary single component and 1 secondary single component
Thready Qty Per Inch (tpi):
32 single group
Thread Size:
0.138 inches single group
Winding Operating Current:
10.0 milliamperes dc single component single primary
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
4 standoff, solder lug
NSN:
5950-00-647-6993
Item Name:
Microphone Transformer
Cage Code:
53854

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
1203
Cage Code:
93652
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
7903
Cage Code:
18566
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
HB5098CHANGED
Cage Code:
49673
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
AU7977
Cage Code:
95970
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:

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Pricing & Availability

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Audio Frequency Transformers
------------ P/N AU7977

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Last Updated: 06/02/2025