Model: M27/197-07

Audio Frequency Transformer

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
1.312 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
1.312 inches single mounting facility single center group
Overall Height
2.515 inches
Mounting Hole Diameter
0.144 inches single group
Impedance Rating In Ohms
2500.0 single component all primary
Impedance Rating In Ohms
500.0 single component all secondary
Frequency Rating
40.0 hertz single component and 20.0 kilohertz single component
Maximum Transformer Power Rating
1.0 watts single component
Body Length
1.625 inches
Body Width
1.625 inches
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
4 single group
Mounting Method
Flange single group and unthreaded hole single group
Winding Function And Quantity
2 primary single component and 2 secondary single component
Winding Operating Current
8.0 milliamperes dc single component all primary
Test Data Document
81349-mil-t-27 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity
8 tab, solder lug
Specification Data
81349-mil-t-27/197 government specification
NSN
5950-01-111-0158
Part Number
M27/197-07
Description
Transformer,audio Frequency
CAGE
81349

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 M27/197-07 NSN 5950-01-111-0158

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:
2.5 X 1.6 X 1.6
Paclk Weight:
0.5000lbs
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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