NSN 5920-01-045-9979 PA3-1, PA31, 01-045-9979
Product Details | OVERVOLTAGE ABSORBER
5920-01-045-9979 An item specifically designed to absorb and consume surges of voltage such as that resulting across contacts when breaking a circuit having an inductive load or a burst of static across a telephone receiver. It is connected in parallel with the item it is protecting. It may be made up of metallic rectifier cells or semiconductor devices connected back-to-back which may or may not be shunted by a capacitor. It may also be a single rectifier cell or semiconductor device shunted by a capacitor. Excludes metallic rectifiers which are rated for rectifying capabilities and all single unit semiconductor devices not shunted by a capacitor. For items perfoming this function by use of voltage sensitive resistors, see RESISTOR, VOLTAGE SENSITIVE. See also CUTOUT DISK, PROTECTIVE.
Part Alternates: PA3-1, PA31, 5920-01-045-9979, 01-045-9979, 5920010459979, 010459979
Electrical and Electronic Equipment Components | Fuses, Arrestors, Absorbers, and Protectors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 10 AUG 1977 | 01-045-9979 | 21899 ( ABSORBER, OVERVOLTAGE ) |
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Technical Data | NSN 5920-01-045-9979
| Characteristic | Specifications |
|---|---|
| OVERALL LENGTH | 2.750 INCHES NOMINAL |
| OVERALL WIDTH | 0.375 INCHES NOMINAL |
| OVERALL HEIGHT | 1.950 INCHES NOMINAL |
| MOUNTING METHOD | HOLES AND TERMINAL |
| MOUNTING CONFIGURATION | TWO 0.140 IN DIA HOLES SPACED 0.800 IN CTOC INLINE WITH SOLDER LUG |
| CURRENT TYPE | DC |
| VOLTAGE IN VOLTS | 28.0 |
| PROTECTED ITEM NAME | PRINTED CIRCUIT BOARDS |
| TERMINAL TYPE | SCREW AND SOLDERLESS LUG |
| TERMINAL QUANTITY | 1 AND 1 |
| POLARIZATION FEATURE | INCLUDED |
| ELEMENT MATERIAL | PLASTIC, PHENOLIC |
| SHUNT CAPACITOR | NOT INCLUDED |
| III END ITEM IDENTIFICATION | INSTRUMENT LANDING SYSTEM (ILS) |
| MANUFACTURERS CODE | 64621 |
| DESIGN CONTROL REFERENCE | PA3-1 |
Restrictions/Controls & Freight Information | NSN 5920-01-045-9979
| 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 |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | N | The item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||