Model: K781-9

Radio Frequency Transformer

Special Features:

Terminals 11, 18, and 9 are core grounded

Properties:

Reliability Indicator
Not established
Hazardous Locations/environmental Protection
Vibration resistant and fungus resistant
Turn Quantity
102 single component 3rd secondary
Turn Quantity
104 single component single primary
Turn Quantity
167 single component 2nd secondary
Turn Quantity
20 single component 1st secondary
Inductance Rating
1.01 millihenries single component 1st secondary
Inductance Rating
1.60 millihenries single component single primary
Inductance Rating
3.15 millihenries single component 3rd secondary
Inductance Rating
9.95 millihenries single component 2nd secondary
Frequency Rating
100.0 kilohertz single component
Winding Shielding Method
Core grounded to secondary terminal single component
Body Length
0.800 inches
Overall Diameter
1.900 inches
Inclosure Type
Fully enclosed
Mounting Facility Quantity
1 single group
Mounting Method
Threaded hole single group
Rating Method
Electrical single component all secondary and winding turns single component all secondary
Rating Method
Electrical single component single primary and winding turns single component single primary
Winding Function And Quantity
1 primary single component and 3 secondary single component
Thread Size
0.138 inches single group
Winding Conductor Size
0.03196 inches american wire gage single component all secondary
Winding Conductor Size
0.03196 inches american wire gage single component single primary
Test Data Document
09344-pc76334 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Thread Series Designator
Unc single group
Terminal Type And Quantity
12 wire lead
NSN
5950-01-344-9040
Part Number
K781-9
Description
Transformer,radio Frequency
CAGE
09798

An item having either a single tapped winding (autotransformer type), or two or more windings designed to furnish inductive reactance and/or transfer electrical energy in circuits by means of a magnetic field. It is so designed that its entire intended range of operations is above 20 kilohertz (kilocycles). The minimum value may extend into the audio frequency range (below 20 kilohertz). It may include integral capacitors, coils, resistors, and adjustable tuning cores. For items having only two active terminals see coil, radio frequency. Includes types having windings which may be moved with respect to each other. Excludes transformer, discriminator.

Part K781-9 NSN 5950-01-344-9040

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00777
FIIG:
A058B0
Concept No.:
App. Key:
L
Cond. Code:
1
Status:
A

Material Classification

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
1.9 X 1.9 X 0.8
Paclk Weight:
0.2000lbs
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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Schedule B and Export
  • Schedule B: 8548900100
  • SITC: 77813
  • End Use: Electric apparatus
  • NAICS: 335999
  • USDA: 1

Freight Class: Electrical parts of machinery or apparatus not specified or included elsewhere in chapter 85

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