#H1818 Power-step Down Transformer | Coils And Transformers

H1818

Power Transformer

NSN 5950-01-272-8938

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
EA
NIIN:
012728938

Product Technical Spec.

Reliability Indicator:
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length:
2.500 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width:
2.000 inches single mounting facility single center group
Frequency Rating:
400.0 hertz single component
Input-output Phase Relationship:
Three phase to three phase single component
Transformer Winding Connection Type:
Delta-delta
Winding Shielding Method:
Internal shield grounded to inclosure and brought out to terminal single component
Body Length:
3.000 inches
Body Width:
2.500 inches
Body Height:
2.090 inches
Inclosure Type:
Fully enclosed
Mounting Facility Quantity:
4 single group
Mounting Method:
Threaded hole single group
Winding Function And Quantity:
1 primary single component and 3 secondary single component
Thread Size:
0.138 inches single group
Winding Operating Current:
400.0 milliamperes ac single component 2nd secondary
Winding Operating Current:
800.0 milliamperes ac single component 3rd secondary
Winding Operating Current:
550.0 milliamperes ac single component 1st secondary
Winding Operating Voltage:
11.30 ac volts single component 3rd secondary
Winding Operating Voltage:
115.00 ac volts single component single primary
Winding Operating Voltage:
21.70 ac volts single component 1st secondary
Winding Operating Voltage:
21.70 ac volts single component 2nd secondary
Thread Series Designator:
Unc single group
Terminal Type And Quantity:
13 turret
NSN:
5950-01-272-8938
Item Name:
Transformer,power-step Down
Cage Code:
56936

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
2905017-3
Cage Code:
10001
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
2905017-3
Cage Code:
10001
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Coils And Transformers
--------- Power Transformers
------------ P/N H1818

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Last Updated: 07/26/2025