#56-90021-1 Microphone Transformer | Coils And Transformers

56-90021-1

Audio Frequency Transformer

NSN 5950-00-280-4668

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002804668

Product Technical Spec.

Reliability Indicator:
Not established
Transformer Function:
Input
Impedance Rating In Ohms:
50.0 single component single primary
Impedance Rating In Ohms:
50000.0 single component single secondary
Frequency Rating:
5.0 hertz single component and 10.0 kilohertz single component
Primary To Secondary Turn Ratio:
1 to 31-1/2 single component
Body Length:
1.531 inches
Body Width:
1.531 inches
Body Height:
2.000 inches
Distance Between Mounting Facility Centers:
1.125 inches single mounting facility single center group
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
2 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:
2.0 milliamperes dc single component single primary
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
4 standoff, solder lug
NSN:
5950-00-280-4668
Item Name:
Microphone Transformer
Cage Code:
94923

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
56-90021-1
Cage Code:
80368
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
56-90021-1
Cage Code:
04655
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
292-2155G1
Cage Code:
49956
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
292-2155G1B
Cage Code:
49956
RNCC:
5
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:

  We Guarantee with Every Order

  •   100% Genuine Manufacturers Parts
  •   Every Product thoroughly Inspected
  •   Sales Record Retention of 7 years
  •   Fast Delivery
  •   HAZMAT Certified
  •   Global Shipping

Pricing & Availability

Submit this form for current pricing and availability quote on part number 56-90021-1 and/or cross reference parts.
Part / NSN:
Qty:
Your Email:
Phone:
Ref. / PO #:
Company:

We do not share or sell your information to anyone.
Privacy | Terms

Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Audio Frequency Transformers
------------ P/N 56-90021-1

New Products Recently updated in coils and transformers

  • 292MS749P001 power transformer
    NSN 5950-00-020-9324

    4.540 inches overall length, 2.987 inches overall height, 3.802 inches overall width, open inclosure type, 6 single group mounting facility quantity

  • 292MT749P001 power transformer
    NSN 5950-00-020-9324

    4.540 inches overall length, 2.987 inches overall height, 3.802 inches overall width, open inclosure type, 6 single group mounting facility quantity

  • 9T46Y602 power transformer
    NSN 5950-00-020-9523

    0.410 inches single group mounting slot width, 60.0 hertz single component frequency rating, single phase to single phase single component input-output phase relationship

  • SJ20A power transformer
    NSN 5950-00-020-9320

    1.750 inches single mounting facility single center group center to center distance between mounting facilities parallel to length

  • 292MT748P001 power transformer
    NSN 5950-00-020-9320

    1.750 inches single mounting facility single center group center to center distance between mounting facilities parallel to length

  • 292MS748P001 power transformer
    NSN 5950-00-020-9320

    1.750 inches single mounting facility single center group center to center distance between mounting facilities parallel to length


Best-Selling Products A collection of our most popular products

Last Updated: 08/08/2025