Model: A3581C

Audio Frequency Transformer

Special Features:

Case metal material; two center terminals of primary joined to form center tapped single winding

Properties:

Transformer Function
Input
Impedance Rating In Ohms
50000.0 single component single secondary
Impedance Rating In Ohms
100.0 single component single primary
Frequency Rating
500.0 hertz single component and 60.0 kilohertz single component
Primary To Secondary Turn Ratio
1 to 22.4 single component
Winding Shielding Method
Internal shield grounded to inclosure and brought out to terminal single component
Body Length
2.250 inches
Body Outside Diameter
1.500 inches
Distance Between Mounting Facility Centers
1.125 inches single mounting facility single center group
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
2 single group
Mounting Method
Threaded hole single group
Winding Function And Quantity
1 primary single component and 1 secondary single component
Thready Qty Per Inch (tpi)
30 single group
Thread Size
0.164 inches single group
Thread Series Designator
Uns single group
Terminal Type And Quantity
7 tab, solder lug
NSN
5950-00-227-7869
Part Number
A3581C
Description
Transformer,audio Frequency
CAGE
71279

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 A3581C NSN 5950-00-227-7869

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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