MIL-PRF-27/328
Power Transformer
A transformer consisting of one or more primary winding(s) and one or more secondary winding(s). It may be designed for direct connection to an alternating current source for purposes of changing the secondary volts and amperes or designed to eliminate metallic interconnection between circuits in an overall one to one voltage ratio, with or without additional output windings, or items designed to automatically maintain a constant output voltage within specified limits under varying input or load conditions. Also includes items having a provision for mechanically changing the turns ratio or inductive coupling in progressive increments by means of voltage taps, ratio adjuster, or devices oe similar design. For transformers having winding(s) common to both input and output circuits, see transformer (1), power, autotransformer. Excludes:transformer (1), pulse.
1.734 inches minimum and 1.766 inches maximum single mounting facility single center group center to center distance between mounting facilities parallel to width, 3.936 inches minimum and 4.250 inches maximum overall height, 2.625 inches minimum and 2.750 inches maximum overall length, 2.109 inches minimum and 2.141 inches maximum single mounting facility single center group center to center distance between mounting facilities parallel to length, not established reliability indicator
Basic Details
View the essential basic details of this aerospace electrical component, including key identifiers and classifications.
5950-01-338-9298
01-338-9298
Power Transformer
MIL-PRF-27/328
5950 - Coils and Transformers
Electrical and Electronic Equipment Components
05/12/1991 (35 years ago)
32496
Technical Specifications
Review the complete technical specifications, performance details, and compliance standards for aerospace electrical component: MIL-PRF-27/328
- Reliability Indicator
- not established
- Overall Length
- 2.625 inches minimum and 2.750 inches maximum
- Center To Center Distance Between Mounting Facilities Parallel To Length
- 2.109 inches minimum and 2.141 inches maximum single mounting facility single center group
- Center To Center Distance Between Mounting Facilities Parallel To Width
- 1.734 inches minimum and 1.766 inches maximum single mounting facility single center group
- Overall Height
- 3.936 inches minimum and 4.250 inches maximum
- Overall Width
- 2.250 inches minimum and 2.375 inches maximum
- Frequency Rating
- 50.0 hertz minimum and 65.0 hertz maximum single component
- Input-Output Phase Relationship
- single phase to single phase single component
- Maximum Transformer Power Rating
- 30.0 volt-ampere single component
- Winding Shielding Method
- internal shield grounded to core single component
- Maximum Operating Temp
- 130.0 celsius
- Inclosure Type
- hermetically sealed
- Mounting Facility Quantity
- 4 single group
- Mounting Method
- threaded stud single group
- Winding Function And Quantity
- 1 primary and 2 secondary single component
- Nominal Thread Size
- 0.138 inches single group
- Winding Operating Current
- 600.0 milliamperes ac nominal single component all secondary
- Winding Operating Voltage
- 115.00 ac volts nominal single component single primary
- Winding Operating Voltage
- 44.00 ac volts nominal single component all secondary
- 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", "nominal", etc.)."
- Thread Series Designator
- unc single group
- Terminal Type And Quantity
- 6 wire hook
- Specification/Standard Data
- 81349-mil-t-27/328 government specification
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Cross Referenced Parts
Our Cross-Referenced Parts section helps you quickly locate compatible or equivalent aerospace electrical components for: MIL-PRF-27/328
| Part Number | CAGE | Manufacturer | RNCC | RNVC | RNAAC |
|---|---|---|---|---|---|
| M27/328-09 | 81349 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M | 2 | 2 | TX |
| MIL-PRF-27/328 | 81349 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M | 4 | 1 | ZZ |
| MIL-T-27/328 | 81349 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M | 5 | 9 | TX |
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