Model: 1661

Audio Frequency Transformer

Special Features:

Case metal material; one leg of second primary and centertrap of secondary winding are grounded to case

Properties:

Transformer Function
Input
Impedance Rating In Ohms
50.0 single component 1st primary
Impedance Rating In Ohms
500.0 single component 2nd primary
Impedance Rating In Ohms
12800.0 single component single secondary
Frequency Rating
200.0 hertz single component and 5.0 kilohertz single component
Primary To Secondary Turn Ratio
16 to 1 single component
Body Length
1.125 inches
Body Width
1.125 inches
Body Height
2.000 inches
Inclosure Type
Fully enclosed
Mounting Method
Terminal single group
Winding Function And Quantity
2 primary single component and 1 secondary single component
Winding Operating Current
120.0 milliamperes dc single component all primary
Terminal Type And Quantity
6 tab, solder lug
NSN
5950-00-646-3603
Part Number
1661
Description
Transformer,audio Frequency
CAGE
76399

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 1661 NSN 5950-00-646-3603

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063420
UFC:
35355
LTL:
RATING VARIABLE
LCL:
77.5
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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