Model: ER490

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Impedance Rating In Ohms
500.0 single component 1st secondary
Impedance Rating In Ohms
600.0 single component 2nd secondary
Impedance Rating In Ohms
10000.0 single component 1st primary
Impedance Rating In Ohms
12500.0 single component 2nd primary
Frequency Rating
150.0 hertz single component and 1.0 kilohertz single component
Maximum Transformer Power Rating
100.0 milliwatts single component
Body Length
0.406 inches
Body Outside Diameter
0.312 inches
Inclosure Type
Hermetically sealed
Mounting Method
Terminal single group
Winding Function And Quantity
2 primary single component and 2 secondary single component
Winding Operating Current
1.0 milliamperes dc single component all primary
Terminal Type And Quantity
10 wire lead
NSN
5950-00-681-7184
Part Number
ER490
Description
Transformer,audio Frequency
CAGE
15634

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 ER490 NSN 5950-00-681-7184

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:
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
E
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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