The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-185-1522, 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 Microsemi Corp - Massachusetts Div Microsemi - Lowell. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5961-01-185-1522 |
| Primary Part Number | U21-4114 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Microsemi Corp - Massachusetts Div Microsemi - Lowell |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 22.0 MINIMUM BREAKDOWN VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 125.0 CELSIUS AMBIENT AIR DEGC |
| Overall Diameter | 0.105 INCHES MAXIMUM IN |
| Precious Material | GOLD |
| Terminal Length | 1.000 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Criticality Code Justification | FEAT |
| Capacitance Rating in Picofarads | 12.1 NOMINAL |
| Current Rating Per Characteristic | 50.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC |
| Precious Material and Location | LEADS PLATED GOLD |
| Test Data Document | 13499-922-6521 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 250.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| U21-4114 | Microsemi Corp - Massachusetts Div Microsemi - Lowell (USA) |
| Reference | Meaning |
|---|---|
| 922-6521-012 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| DKV6533-70 | 3/9 Design control — primary reference Skyworks Solutions, Inc. |
| 922-6521-017 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-01-185-1522 is a Semiconductor Device,diode, manufactured by Microsemi Corp - Massachusetts Div Microsemi - Lowell, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-185-1522 has 1 manufacturer part number on file: U21-4114 (Microsemi Corp - Massachusetts Div Microsemi - Lowell).
Key specifications for U21-4114: Voltage Rating in Volts Per Characteristic: 22.0 MINIMUM BREAKDOWN VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS AMBIENT AIR DEGC; Overall Diameter: 0.105 INCHES MAXIMUM IN; Precious Material: GOLD. 15 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.