Model: U281

Audio Frequency Transformer
Description:

1.187 inches single mounting facility single center group center to center distance between mounting facilities parallel to length.

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
1.187 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
1.187 inches single mounting facility single center group
Impedance Rating In Ohms
15000.0 single component single primary
Impedance Rating In Ohms
600.0 single component single secondary
Frequency Rating
200.0 hertz single component and 4.0 kilohertz single component
Maximum Transformer Power Rating
100.0 milliwatts single component
Body Length
1.562 inches
Body Width
1.562 inches
Body Height
2.812 inches
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
4 single group
Mounting Method
Threaded stud single group
Winding Function And Quantity
1 primary single component and 1 secondary single component
Thready Qty Per Inch (tpi)
32 single group
Thread Size
0.138 inches single group
Winding Operating Current
10.0 milliamperes ac single component single primary
Thread Series Designator
Unc single group
Terminal Type And Quantity
4 tab, solder lug
NSN
5950-00-027-4749
Part Number
U281
Description
Transformer,audio Frequency
CAGE
24196

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 U281 NSN 5950-00-027-4749

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

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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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