Model: K3977

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Transformer Function
Input
Impedance Rating In Ohms
40000.0 single component all secondary
Impedance Rating In Ohms
8000.0 single component single primary
Frequency Rating
400.0 hertz single component
Maximum Transformer Power Rating
100.0 milliwatts single component
Primary To Secondary Turn Ratio
1 to 1-1/2 single component
Body Length
1.281 inches
Body Width
1.125 inches
Body Height
1.125 inches
Distance Between Mounting Facility Centers
0.875 inches single mounting facility single center group
Inclosure Type
Fully enclosed
Mounting Facility Quantity
2 single group
Mounting Method
Threaded hole single group
Winding Function And Quantity
1 primary single component and 2 secondary single component
Thready Qty Per Inch (tpi)
40 single group
Thread Size
0.112 inches single group
Thread Series Designator
Unc single group
Terminal Type And Quantity
6 turret
NSN
5950-00-647-3615
Part Number
K3977
Description
Transformer,audio Frequency
CAGE
51181

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 K3977 NSN 5950-00-647-3615

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:
0.1000lbs
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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