Model: A31139

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Mounting Hole Diameter
0.140 inches single group
Transformer Function
Line
Impedance Rating In Ohms
20000.0 single component single primary
Impedance Rating In Ohms
3.2 single component single secondary
Maximum Transformer Power Rating
50.0 milliwatts single component
Body Length
1.250 inches
Body Width
0.813 inches
Body Height
0.688 inches
Distance Between Mounting Facility Centers
1.031 inches single mounting facility single center group
Inclosure Type
Open
Mounting Facility Quantity
2 single group
Mounting Method
Unthreaded hole single group
Winding Function And Quantity
1 primary single component and 1 secondary single component
Terminal Type And Quantity
2 tab, solder lug and 2 wire lead
NSN
5950-00-465-7987
Part Number
A31139
Description
Transformer,audio Frequency
CAGE
21226

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 A31139 NSN 5950-00-465-7987

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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