Model: 55C146

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Mounting Hole Diameter
0.190 inches single group
Impedance Rating In Ohms
150.0 single component 2nd secondary
Impedance Rating In Ohms
150.0 single component 3rd secondary
Impedance Rating In Ohms
2000.0 single component single primary
Impedance Rating In Ohms
50.0 single component 1st secondary
Frequency Rating
300.0 hertz single component and 3.5 kilohertz single component
Maximum Transformer Power Rating
2.0 watts single component
Primary To Secondary Turn Ratio
1 to 9 over-all single component
Body Length
2.438 inches
Body Width
1.890 inches
Body Height
2.440 inches
Distance Between Mounting Facility Centers
2.120 inches single mounting facility single center group
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
2 single group
Mounting Method
Flange single group and unthreaded hole single group
Winding Function And Quantity
1 primary single component and 3 secondary single component
Winding Operating Current
60.0 milliamperes dc single component single primary
Terminal Type And Quantity
8 tab, solder lug
NSN
5950-00-646-3085
Part Number
55C146
Description
Transformer,audio Frequency
CAGE
26916

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 55C146 NSN 5950-00-646-3085

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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