#ST1889 Microphone Transformer | Coils And Transformers

ST1889

Audio Frequency Transformer

NSN 5950-00-569-0456

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
005690456

Product Technical Spec.

Reliability Indicator:
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length:
1.188 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width:
1.125 inches single mounting facility single center group
Overall Height:
3.624 inches
Impedance Rating In Ohms:
4000.0 single component single secondary
Impedance Rating In Ohms:
1000.0 single component single primary
Frequency Rating:
40.0 hertz single component and 4.0 kilohertz single component
Primary To Secondary Turn Ratio:
1 to 1 single component
Body Length:
1.750 inches
Body Width:
1.625 inches
Body Height:
3.062 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:
30.0 milliamperes dc single component single primary
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
5 standoff, solder lug
NSN:
5950-00-569-0456
Item Name:
Transformer,microphone
Cage Code:
97102

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
A2054792
Cage Code:
82199
RNCC:
3
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
4831010627
Cage Code:
D8385
RNCC:
5
RNVC:
2
RNAAC:
ZG
Status:
A
MSDS:
SADC:
Part Number:
EJ41BBUE1
Cage Code:
D8385
RNCC:
5
RNVC:
2
RNAAC:
ZG
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 ST1889

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Last Updated: 05/20/2025