Model: 7840

Power Transformer

Special Features:

2 primary windings; 8 secondary windings

Properties:

Reliability Indicator
Not established
Overall Length
4.937 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
3.859 inches single mounting facility single center group and 3.922 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
2.984 inches single mounting facility single center group and 3.016 inches single mounting facility single center group
Overall Height
4.749 inches
Overall Width
3.812 inches
Mounting Hole Diameter
0.177 inches single group and 0.197 inches single 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
Inclosure Type
Fully enclosed
Mounting Facility Quantity
4 single group
Mounting Method
Unthreaded hole single group
Winding Function And Quantity
8 secondary single component2 primary single component and
Features Provided
Color coded lead
Winding Operating Current
130.0 milliamperes ac single component 1st secondary
Winding Operating Current
3.0 amperes ac single component 4th secondary
Winding Operating Current
300.0 milliamperes ac single component 2nd secondary
Winding Operating Current
7.5 amperes ac single component 3rd secondary
Winding Power Rating
15.0 volts-amperes single component 4th secondary
Winding Power Rating
47.25 volts-amperes single component 3rd secondary
Winding Power Rating
66.0 volts-amperes single component 2nd secondary
Winding Power Rating
78.0 volts-amperes single component 1st secondary
Winding Operating Voltage
115.00 ac volts single component all primary or 230.00 ac volts single component all primary
Winding Operating Voltage
220.00 ac volts single component 2nd secondary
Winding Operating Voltage
5.00 ac volts single component 4th secondary
Winding Operating Voltage
600.00 ac volts single component 1st secondary
Winding Operating Voltage
6.30 ac volts single component 3rd secondary
Terminal Type And Quantity
21 wire lead
NSN
5950-00-899-8405
Part Number
7840
Description
Transformer,power
CAGE
1MY97

Part 7840 NSN 5950-00-899-8405

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:
12.0000lbs
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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