Model: W278

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Transformer Function
Input
Impedance Rating In Ohms
600.0 single component single primary
Impedance Rating In Ohms
60000.0 single component single secondary
Frequency Rating
300.0 hertz single component and 4.0 kilohertz single component
Maximum Transformer Power Rating
6.0 milliwatts single component
Body Length
1.312 inches
Body Width
1.312 inches
Body Height
1.750 inches
Distance Between Mounting Facility Centers
1.250 inches single mounting facility single center group
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
2 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 dc single component single primary
Thread Series Designator
Unc single group
Terminal Type And Quantity
6 wire hook
NSN
5950-00-890-0654
Part Number
W278
Description
Transformer,audio Frequency
CAGE
80694

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 W278 NSN 5950-00-890-0654

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:
--
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

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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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