Model: 677-2520-000

Audio Frequency Transformer

Special Features:

Case metal material; 6 mtg holes and slots in two rows of three ea, spaced 1.125 in. C to c

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
3.750 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
2.250 inches single mounting facility single center group
Transformer Function
Modulation
Impedance Rating In Ohms
15000.0 single component single primary
Impedance Rating In Ohms
73000.0 single component 2nd secondary
Impedance Rating In Ohms
970.0 single component 1st secondary
Frequency Rating
300.0 hertz single component and 4.0 kilohertz single component
Frequency Rating
300.0 hertz and 4.0 kilohertz single component
Maximum Transformer Power Rating
50.0 watts single component
Primary To Secondary Turn Ratio
1 to 1 single component
Body Length
4.000 inches
Body Width
3.000 inches
Body Height
3.188 inches
Inclosure Type
Hermetically sealed
Mounting Method
Flange single group and unthreaded hole single group and slot single group
Mounting Method
Flange and unthreaded hole and slot single group
Winding Function And Quantity
1 primary single component and 2 secondary single component
Winding Function And Quantity
1 primary and 2 secondary single component
Winding Operating Current
15.0 milliamperes dc single component single primary
Winding Operating Current
150.0 milliamperes dc single component all secondary
Terminal Type And Quantity
7 terminal block w/screws
NSN
5950-00-646-3608
Part Number
677-2520-000
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 677-2520-000 NSN 5950-00-646-3608

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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