Model: ST2781

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
3.875 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
1.375 inches single mounting facility single center group
Mounting Hole Diameter
0.218 inches single group
Frequency Rating
50.0 hertz single component and 10.0 kilohertz single component
Primary To Secondary Turn Ratio
1 to 1 single component
Winding Shielding Method
Internal shield grounded to inclosure and brought out to terminal single component
Body Length
4.440 inches
Body Width
3.620 inches
Body Height
4.300 inches
Inclosure Type
Fully enclosed
Mounting Facility Quantity
6 single group
Mounting Method
Unthreaded hole single group
Winding Function And Quantity
1 primary single component and 1 secondary single component
Terminal Type And Quantity
6 turret
NSN
5950-00-397-9120
Part Number
ST2781
Description
Transformer,audio Frequency
CAGE
88869

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 ST2781 NSN 5950-00-397-9120

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:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
5.7000lbs
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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