Model: 677-0419-020

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
25.400 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
21.590 inches single mounting facility single center group
Impedance Rating In Ohms
2.0 single component single primary
Impedance Rating In Ohms
4.0 single component single secondary
Frequency Rating
14.0 kilohertz single component and 60.0 kilohertz single component
Primary To Secondary Turn Ratio
2 to 1 single component
Winding Shielding Method
Internal shield grounded to inclosure and brought out to terminal single component
Body Length
31.750 inches
Body Width
29.210 inches
Body Height
15.240 inches
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
4 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)
56 single group
Thread Size
0.086 inches single group
Thread Series Designator
Unc single group
Terminal Type And Quantity
6 tab, solder lug
NSN
5950-01-041-3028
Part Number
677-0419-020
Description
Transformer,audio Frequency
CAGE
13499

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 677-0419-020 NSN 5950-01-041-3028

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:
--
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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