#ER500 Microphone Transformer | Coils And Transformers

ER500

Audio Frequency Transformer

NSN 5950-01-070-5899

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
010705899

Product Technical Spec.

Reliability Indicator:
Not established
Impedance Rating In Ohms:
20000.0 single component single primary and 30000.0 single component single primary
Impedance Rating In Ohms:
800.0 single component single secondary and 1200.0 single component single secondary
Frequency Rating:
300.0 hertz single component and 20.0 kilohertz single component
Maximum Transformer Power Rating:
50.0 milliwatts single component
Primary To Secondary Turn Ratio:
1 to 1 single component
Body Length:
0.469 inches
Body Outside Diameter:
0.344 inches
Maximum Operating Temp:
105.0 degrees celsius
Inclosure Type:
Fully enclosed
Mounting Method:
Terminal single group
Winding Function And Quantity:
1 primary single component and 1 secondary single component
Winding Operating Current:
500.0 microamperes dc single component single primary
Test Data Document:
81349-mil-t-27 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity:
6 wire lead
Specification Data:
81349-mil-t-27/172 government specification
NSN:
5950-01-070-5899
Item Name:
Microphone Transformer
Cage Code:
80223

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
M27/172-39
Cage Code:
81349
RNCC:
2
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
MIL-PRF-27/172
Cage Code:
81349
RNCC:
4
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
677-1511-000
Cage Code:
13499
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
MIL-T-27/172
Cage Code:
81349
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Audio Frequency Transformers
------------ P/N ER500

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Last Updated: 06/14/2025