Model: A278

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Frequency Rating
360.0 hertz single component and 440.0 hertz single component
Body Length
2.700 inches
Body Width
1.300 inches
Body Height
0.880 inches
Inclosure Type
Fully enclosed
Mounting Facility Quantity
2 single group
Mounting Method
Threaded hole single group
Winding Function And Quantity
2 primary single component and 2 secondary single component
Thready Qty Per Inch (tpi)
56 single group
Thread Size
0.086 inches single group
Thread Series Designator
Unc single group
Terminal Type And Quantity
9 pin
NSN
5950-01-043-3014
Part Number
A278
Description
Transformer,audio Frequency
CAGE
26522

A transformer which is designed so that part or all of its range of operating frequencies is 20 kilohertz (kilocycles) and below. The maximum value may extend into the radio frequency range. It is generally used in the input, output, amplifier, or oscillator stages of audio and sonar devices.

Part A278 NSN 5950-01-043-3014

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00780
FIIG:
A058B0
Concept No.:
1
App. Key:
F
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063420
UFC:
35355
LTL:
RATING VARIABLE
LCL:
77.5
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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