Model: 420-403

Audio Frequency Transformer

Special Features:

Case metal material

Properties:

Transformer Function
Interstage
Impedance Rating In Ohms
160.0 single component single primary
Impedance Rating In Ohms
7.5 single component single secondary
Frequency Rating
100.0 hertz single component and 7.0 kilohertz single component
Maximum Transformer Power Rating
300.0 milliwatts single component
Primary To Secondary Turn Ratio
4.62 to 1 single component
Winding Shielding Method
Internal shield grounded to inclosure single component
Body Length
1.312 inches
Body Width
1.312 inches
Body Height
1.750 inches
Distance Between Mounting Facility Centers
1.250 inches single mounting facility single center group
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
2 single group
Mounting Method
Threaded stud single group
Winding Function And Quantity
1 primary single component and 1 secondary single component
Winding Operating Current
125.0 milliamperes dc single component single primary
Terminal Type And Quantity
4 tab, solder lug
NSN
5950-00-723-2049
Part Number
420-403
Description
Transformer,audio Frequency
CAGE
21900

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 420-403 NSN 5950-00-723-2049

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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