Model: 20389

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Frequency Rating
300.0 hertz single component and 1.7 kilohertz single component
Primary To Secondary Turn Ratio
1 to 1.3 single component
Winding Shielding Method
Internal shield brought out to terminal single component
Body Length
1.125 inches
Body Width
0.875 inches
Body Height
0.812 inches
Maximum Operating Temp
85.0 degrees celsius
Inclosure Type
Fully enclosed
Mounting Method
Terminal single group
Winding Function And Quantity
1 primary single component and 1 secondary single component
Winding Operating Current
40.0 milliamperes dc single component single secondary
Winding Operating Current
30.0 milliamperes dc single component single primary and 40.0 milliamperes dc single component single primary
Terminal Type And Quantity
5 wire lead
NSN
5950-00-947-7263
Part Number
20389
Description
Transformer,audio Frequency
CAGE
07388

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 20389 NSN 5950-00-947-7263

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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