#ER491 Microphone Transformer | Coils And Transformers

ER491

Audio Frequency Transformer

NSN 5950-00-681-6866

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
006816866

Detail Specifications

Reliability Indicator:
Not established
Impedance Rating In Ohms:
10000.0 single component single primary and 12500.0 single component single primary
Impedance Rating In Ohms:
1200.0 single component single secondary and 1500.0 single component single secondary
Frequency Rating:
300.0 hertz single component and 10.0 kilohertz single component
Maximum Transformer Power Rating:
100.0 milliwatts single component
Body Length:
0.469 inches
Body Outside Diameter:
0.344 inches
Inclosure Type:
Hermetically sealed
Mounting Method:
Terminal single group
Winding Function And Quantity:
1 primary single component and 1 secondary single component
Winding Operating Current:
1.0 milliamperes dc single component single primary
Terminal Type And Quantity:
5 wire lead
NSN:
5950-00-681-6866
Item Name:
Microphone Transformer
Cage Code:
80223

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
D0T10
Cage Code:
15634
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
1783709-10
Cage Code:
07187
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
ER491
Cage Code:
15634
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
1610
Cage Code:
31669
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
677-1442-00
Cage Code:
95105
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
677-1442-000
Cage Code:
95105
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
1783709-10
Cage Code:
56232
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
D0T10
Cage Code:
80223
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
8182021-9
Cage Code:
49671
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 ER491

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Last Updated: 07/31/2025