The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-012-2947, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is National Semiconductor Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-012-2947 |
| Primary Part Number | XC-556-G2 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | National Semiconductor Corporation |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 2.8 NOMINAL FORWARD VOLTAGE, PEAK |
| Maximum Operating Temp Per Measurement Point | 105.0 CELSIUS JUNCTION DEGC |
| Overall Diameter | 0.230 INCHES MAXIMUM IN |
| Terminal Length | 1.000 INCHES NOMINAL IN |
| Mounting Method | TERMINAL |
| Current Rating Per Characteristic | 40.00 MILLIAMPERES NOMINAL FORWARD CURRENT, DC |
| Material | PLASTIC ENCLOSURE |
| Material | GALLIUM ARSENIDE PHOSPHIDE SEMICONDUCTOR |
| Terminal Type and Quantity | 2 PIN |
| Power Rating Per Characteristic | 115.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 852721-1 | Raytheon Company (USA) |
| 852721-1 | Raytheon Company Dba Raytheon Co (USA) |
| XC-556-G2 PRIMARY | National Semiconductor Corporation (USA) |
| Reference | Meaning |
|---|---|
| 852721-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| 137-98-00021 | C/1 Advisory reference — outside the item-of-supply concept L3 Aviation Products, Inc. Dba L3 Technologies |
| XC556G2 | 5/9 Secondary reference Xciton Corp |
NSN 5961-01-012-2947 is a Semiconductor Device,diode, manufactured by National Semiconductor Corporation, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-012-2947 has 3 manufacturer part numbers on file: 852721-1 (Raytheon Company), 852721-1 (Raytheon Company Dba Raytheon Co), XC-556-G2 (National Semiconductor Corporation).
Key specifications for XC-556-G2: Voltage Rating in Volts Per Characteristic: 2.8 NOMINAL FORWARD VOLTAGE, PEAK; Maximum Operating Temp Per Measurement Point: 105.0 CELSIUS JUNCTION DEGC; Overall Diameter: 0.230 INCHES MAXIMUM IN; Terminal Length: 1.000 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.