Model: R-20440

Audio Frequency Transformer

Special Features:

Electrostatic shielding can be added; primary and secondary can used either as input or qutput; with electrostatic shield windings will be series with center tap

Properties:

Reliability Indicator
Not established
Overall Length
0.375 inches
Impedance Rating In Ohms
2500.0 single component 1st secondary
Impedance Rating In Ohms
2500.0 single component 2nd secondary
Impedance Rating In Ohms
10000.0 single component single primary
Frequency Rating
75.0 hertz single component and 300.0 kilohertz single component
Maximum Transformer Power Rating
1.0 watts single component
Primary To Secondary Turn Ratio
2 to 1 single component
Maximum Operating Temp
105.0 degrees celsius
Inclosure Type
Hermetically sealed
Mounting Method
Terminal single group
Winding Function And Quantity
1 primary single component and 2 secondary single component
Features Provided
Tinned wire leads
Winding Operating Current
1.0 milliamperes dc single component single primary
Terminal Type And Quantity
7 wire lead
NSN
5950-01-355-2486
Part Number
R-20440
Description
Transformer,audio Frequency
CAGE
31669

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 R-20440 NSN 5950-01-355-2486

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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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