Model: LF-428

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Overall Length
0.750 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
0.500 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
0.500 inches single mounting facility single center group
Overall Height
0.750 inches
Overall Width
0.750 inches
Impedance Rating In Ohms
200.0 single component single secondary
Impedance Rating In Ohms
50.0 single component single primary
Frequency Rating
10.0 kilohertz and 200.0 megahertz single component
Primary To Secondary Turn Ratio
1 to 4 single component
Inclosure Type
Fully enclosed
Mounting Method
Terminal single group
Winding Function And Quantity
1 primary and 1 secondary single component
Terminal Type And Quantity
4 pin
NSN
5950-01-223-6307
Part Number
LF-428
Description
Transformer,audio Frequency
CAGE
05375

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 LF-428 NSN 5950-01-223-6307

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
0.8 X 0.8 X 0.8
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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