Model: 20857

Power Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
2.375 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
2.375 inches single mounting facility single center group
Frequency Rating
50.0 hertz single component and 1.0 kilohertz single component
Input-output Phase Relationship
Single phase to single phase single component
Body Length
3.000 inches
Body Width
2.875 inches
Body Height
3.750 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 2 secondary single component
Thready Qty Per Inch (tpi)
32 single group
Thread Size
0.190 inches single group
Winding Operating Current
4.0 amperes ac single component 1st secondary
Winding Operating Current
75.0 milliamperes ac single component 2nd secondary
Winding Operating Voltage
115.00 ac volts single component single primary
Winding Operating Voltage
450.00 ac volts single component 2nd secondary
Winding Operating Voltage
6.30 ac volts single component 1st secondary
Thread Series Designator
Unf single group
Terminal Type And Quantity
7 standoff insulator
NSN
5950-00-647-5836
Part Number
20857
Description
Transformer,power
CAGE
73386

Part 20857 NSN 5950-00-647-5836

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
32496
FIIG:
A058B0
Concept No.:
1
App. Key:
J
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
4.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063420
UFC:
35355
LTL:
RATING VARIABLE
LCL:
--
WCC:
595
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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