The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-01-257-4057, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Astronautics Corporation of America. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5961-01-257-4057 |
| Primary Part Number | 16939 |
| Item Name | Semiconductor Devices,unitized |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Astronautics Corporation of America |
| Status | CANCELLED |
| Material | CERAMIC ENCLOSURE |
| Capacitance Rating in Picofarads | 25.0 MAXIMUM ALL TRANSISTOR |
| Maximum Operating Temp Per Measurement Point | 125.0 CELSIUS AMBIENT AIR DEGC |
| Component Name and Quantity | 7 TRANSISTOR |
| Power Rating Per Characteristic | 1.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION ALL TRANSISTOR |
| Voltage Rating in Volts Per Characteristic | 50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN ALL TRANSISTOR |
| Response Time | 1.0 MICROSECONDS MINIMUM ALL TRANSISTOR US |
| Terminal Type and Quantity | 16 PIN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON ALL TRANSISTOR |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 25.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC ALL TRANSISTOR |
| Terminal Length | 0.125 INCHES MINIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ULS2004RMIL | Sprague Electric Co World Hqs (USA) |
| 16939 PRIMARY | Astronautics Corporation of America (USA) |
| 616529-904 | Raytheon Company (USA) |
| ULS-2004R-883 | Sprague Electric Co World Hqs (USA) |
NSN 5961-01-257-4057 is a Semiconductor Devices,unitized, manufactured by Astronautics Corporation of America, classified under FSC 5961 (No Item Name Available). Status: cancelled.
NSN 5961-01-257-4057 has 4 cross-referenced part numbers: ULS2004RMIL (Sprague Electric Co World Hqs), 16939 (Astronautics Corporation of America), 616529-904 (Raytheon Company), ULS-2004R-883 (Sprague Electric Co World Hqs).
There are 2 known substitutes for 5961-01-257-4057: 5962-01-265-3104, 6515-01-593-4054. Verify interchangeability with system specifications before substitution.
Key specifications for 16939: Material: CERAMIC ENCLOSURE; Special Features: ALL TRANSISTOR JUNCTION PATTERN ARRANGEMENT: NPN; Capacitance Rating in Picofarads: 25.0 MAXIMUM ALL TRANSISTOR; Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS AMBIENT AIR DEGC. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5961-01-257-4057 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.