Model: PB28

Power Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
2.188 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
1.875 inches single mounting facility single center group
Frequency Rating
47.0 hertz single component and 440.0 hertz single component
Input-output Phase Relationship
Single phase to single phase single component
Body Length
3.938 inches
Body Width
2.562 inches
Body Height
3.500 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 4 secondary single component
Thready Qty Per Inch (tpi)
32 single group
Thread Size
0.190 inches single group
Winding Operating Current
1.5 amperes ac single component 3rd secondary
Winding Operating Current
250.0 milliamperes ac single component 4th secondary
Winding Operating Current
30.0 milliamperes ac single component 1st secondary
Winding Operating Current
750.0 milliamperes ac single component 2nd secondary
Winding Operating Voltage
103.50 ac volts single component single primary and 115.00 ac volts single component single primary and 126.50 ac volts single component single primary
Winding Operating Voltage
25.00 ac volts single component 4th secondary
Winding Operating Voltage
440.00 ac volts single component 1st secondary
Winding Operating Voltage
6.30 ac volts single component 2nd secondary
Winding Operating Voltage
6.30 ac volts single component 3rd secondary
Thread Series Designator
Unf single group
Terminal Type And Quantity
13 standoff insulator
NSN
5950-00-647-5831
Part Number
PB28
Description
Transformer,power
CAGE
94033

Part PB28 NSN 5950-00-647-5831

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:
2.0000lbs
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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