Model: NL69778-1

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
3.000 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
3.000 inches single mounting facility single center group
Overall Height
5.375 inches
Mounting Hole Diameter
0.201 inches single group
Impedance Rating In Ohms
30000.0 single component single secondary
Impedance Rating In Ohms
13000.0 single component single primary
Frequency Rating
20.0 hertz single component and 20.0 kilohertz single component
Maximum Transformer Power Rating
4.2 watts single component
Primary To Secondary Turn Ratio
1 to 1-1/2 single component
Winding Shielding Method
Internal shield grounded to inclosure and brought out to terminal single component
Body Length
Between 3.657 inches and 3.844 inches
Body Width
Between 3.657 inches and 3.844 inches
Body Height
Between 4.438 inches and 4.625 inches
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
4 single group
Mounting Method
Flange single group and unthreaded hole single group
Winding Function And Quantity
1 primary single component and 1 secondary single component
Winding Operating Current
30.0 milliamperes dc single component single primary
Terminal Type And Quantity
7 standoff, solder lug
NSN
5950-00-645-1873
Part Number
NL69778-1
Description
Transformer,audio Frequency
CAGE
28527

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 NL69778-1 NSN 5950-00-645-1873

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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