Model: PMA8

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Mounting Hole Diameter
0.147 inches single group
Transformer Function
Line
Impedance Rating In Ohms
20.0 single component 1st secondary
Impedance Rating In Ohms
200.0 single component 2nd secondary
Impedance Rating In Ohms
30000.0 single component single primary
Impedance Rating In Ohms
500.0 single component 3rd secondary
Frequency Rating
30.0 hertz single component and 20.0 kilohertz single component
Maximum Transformer Power Rating
8.0 decibels single component
Primary To Secondary Turn Ratio
1 to 1 to 1 to 7-3/4 single component
Body Length
1.562 inches
Body Outside Diameter
0.938 inches
Distance Between Mounting Facility Centers
1.156 inches single mounting facility single center group
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
2 single group
Mounting Method
Unthreaded hole single group
Winding Function And Quantity
1 primary single component and 3 secondary single component
Winding Operating Current
2.0 milliamperes dc single component single primary
Winding Operating Current
250.0 microamperes dc single component all secondary
Terminal Type And Quantity
9 wire lead
NSN
5950-00-686-8750
Part Number
PMA8
Description
Transformer,audio Frequency
CAGE
73386

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 PMA8 NSN 5950-00-686-8750

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:
0.3000lbs
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

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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