Model: 3-20270

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
2.370 inches single mounting facility single center group and 2.380 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
2.370 inches single mounting facility single center group and 2.380 inches single mounting facility single center group
Mounting Hole Diameter
0.184 inches single group and 0.191 inches single group
Impedance Rating In Ohms
2.4 single component single primary
Impedance Rating In Ohms
36.0 single component 1st secondary
Frequency Rating
7.5 kilohertz single component
Maximum Transformer Power Rating
1060.0 watts single component
Winding Shielding Method
Internally shielded single component
Body Length
2.250 inches
Body Width
3.000 inches
Body Height
3.000 inches
Inclosure Type
Fully enclosed
Mounting Facility Quantity
4 single group
Mounting Method
Threaded stud single group
Winding Function And Quantity
1 primary single component and 3 secondary single component
Thread Size
0.164 inches single group
Winding Operating Current
3.0 amperes dc single component single primary
Thread Series Designator
Unc single group
Terminal Type And Quantity
10 turret
NSN
5950-01-225-6672
Part Number
3-20270
Description
Transformer,audio Frequency
CAGE
00144

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 3-20270 NSN 5950-01-225-6672

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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