Model: 3557

Radio Frequency Transformer

Properties:

Reliability Indicator
Not established
Turn Quantity
15-1/4 single component single primary
Turn Quantity
3-3/4 single component single secondary
Frequency Rating
60.0 megahertz single component
Coil Form Type
Hollow single component
Adjustment Device Drive Type
Slotted screw single component
Body Length
Between 0.397 inches and 0.417 inches
Body Width
Between 0.397 inches and 0.417 inches
Body Height
Between 0.315 inches and 0.355 inches
Mounting Tab Width
Between 0.047 inches and 0.053 inches
Inclosure Type
Fully enclosed
Mounting Method
Tab single group
Rating Method
Winding turns single component single primary
Rating Method
Winding turns single component single secondary
Winding Function And Quantity
1 primary single component and 1 secondary single component
Features Provided
Right hand wound coil
Winding Conductor Size
0.01003 inches american wire gage single component single secondary
Winding Conductor Size
0.01003 inches american wire gage single component single primary
Adjustment Method And Quantity
1 adjustable core single component
Terminal Type And Quantity
4 pin
NSN
5950-01-258-2174
Part Number
3557
Description
Transformer,radio Frequency
CAGE
99800

An item having either a single tapped winding (autotransformer type), or two or more windings designed to furnish inductive reactance and/or transfer electrical energy in circuits by means of a magnetic field. It is so designed that its entire intended range of operations is above 20 kilohertz (kilocycles). The minimum value may extend into the audio frequency range (below 20 kilohertz). It may include integral capacitors, coils, resistors, and adjustable tuning cores. For items having only two active terminals see coil, radio frequency. Includes types having windings which may be moved with respect to each other. Excludes transformer, discriminator.

Part 3557 NSN 5950-01-258-2174

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00777
FIIG:
A058B0
Concept No.:
App. Key:
L
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:
--
Paclk Weight:
--
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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