NSN 5985-01-377-8645 20000474P1, 50MDA71186, 50MDA7-1186
Product Details | VARIABLE ATTENUATOR
5985-01-377-8645 A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also RESISTOR, VAIABLE (as modified).
Part Alternates: 20000474P1, 50MDA71186, 50MDA7-1186, 5985-01-377-8645, 01-377-8645, 5985013778645, 013778645
Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 31 JUL 1993 | 01-377-8645 | 00838 ( ATTENUATOR, VARIABLE ) |
Drawings & Photos | NSN 5985-01-377-8645
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Technical Data | NSN 5985-01-377-8645
| Characteristic | Specifications |
|---|---|
| APPLICATION DESIGN | TRANSMISSION LINE |
| FREQUENCY RANGE | 0.000 HERTZ MINIMUM AND 20.000 MEGAHERTZ MAXIMUM |
| VOLTAGE STANDING WAVE RATIO | 1.30 |
| POWER RATING | 0.5 WATTS AVERAGE |
| INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS | 0.5 |
| OVERALL ATTENUATION RANGE IN DECIBELS | 0.0 TO 7.0 |
| OVERALL ATTENUATION ACCURACY IN DECIBELS | -0.25 TO 0.25 |
| ATTENUATION ACCURACY REFERENCE FREQUENCY | 20.0 MEGAHERTZ |
| ATTENUATION VARIATION METHOD | STEPPED |
| STEP POSITION QUANTITY | 3 |
| ATTENUATION PER STEP IN DECIBELS | 1.0 AND 2.0 AND 4.0 |
| BODY STYLE | 40A COAXIAL TYPE |
| OVERALL LENGTH | 2.870 INCHES NOMINAL |
| OVERALL HEIGHT | 1.000 INCHES NOMINAL |
| OVERALL WIDTH | 0.940 INCHES NOMINAL |
| ADJUSTMENT DEVICE TYPE AND QUANTITY | 1 ELECTRONIC, PROGRAMMABLE |
| TERMINAL TYPE AND QUANTITY | 2 CONNECTOR, COAXIAL, FEMALE |
| COAXIAL CONNECTOR SERIES DESIGNATION | SMA |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.156 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 2.436 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 0.768 INCHES NOMINAL |
| SPECIAL FEATURES | 6 MSEC SWITCHING SPEED |
| III OPERATING TEMP RANGE | -18.0 TO 45.0 DEG CELSIUS |
Restrictions/Controls & Freight Information | NSN 5985-01-377-8645
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | P | There is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| NMF Description | 061700 | ELEC APPLIANCES/INSTRUMENTS NOI |
| Less than car load rating | ||
| Less than truck load rating | J | 100.2 |
| Water commodity Code | 658 | unknown |
| Originating Activity Code | TH | Defense Supply Center Columbus Columbus, OH 43215 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | H | Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |